Acs800-37 series
drives (55 to 2700 kw / 75 to 3000 hp) (228 pages)
Summary of Contents for ABB UNITROL 1020
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UNITROL® 1020 User Manual Automatic Voltage Regulator Compact voltage regulator for synchronous machines up to 20 A exciter current Product Release 6.3xx DSP Control: 6.3xx MCU Control: 6.3xx CMT1000: 6.3xx Document No. 3BHS335648 E82 Revision Status Rev. H Date 03 / 2016...
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ABB reserves all rights to this document and to the information and topics contained in it. This also applies to any possible claims to copyright or patents. Forwarding and/or the duplicating of this document without the express permission of ABB is forbidden.
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Mechanical Installation ....................80 Electrical Installation ....................81 4.5.1 Digital and analog IO cabling 1020 ..................81 4.5.2 Inrush current of UNITROL 1020 ..................... 81 4.5.3 Extended operation lifetime with external capacitor ..............82 Storage ........................83 4.6.1 Storage Conditions ........................83 4.6.2...
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General ........................171 9.1.1 Ordering Information ....................... 171 9.1.2 Electrical Data of AVR UN1020: ..................... 171 9.1.3 Environmental data of AVR UNITROL 1020: ................. 174 9.1.4 UL Certification ........................174 9.1.5 Reliability UNITROL 1020 ....................... 174 9.1.6 Battery life time information ....................175 9.1.7...
Power Supply Power System Stabilizer Potential Transformer Pulse Width Modulation Reactive Power Rotating Diode Monitoring Software UMAUX UM Auxiliary Input Measurement Reactive Power Mode V/Hz Volt per Hertz (-Limiter) Voltage Droop Compensation Voltage Matching UNITROL 1020 User Manual 3BHS335648 E82...
& operation, maintenance and troubleshooting of the UNITROL 1020, including detailed descriptions of the functions and the hardware of the device. Technical data is included as well. 1.2 Field of Application This advanced-design automatic voltage regulator is used for the excitation of indirectly excited synchronous machines and motors.
Chapter 8 - Troubleshooting provides instructions on how to proceed when encountering problems. Chapter 9 - Technical Data describes the technical data from the device, ordering number and parameter list. 3BHS335648 E82 UNITROL 1020 User Manual...
Operators Maintenance and repair personnel 1.5 Manufacturer’s Address If any questions arise, consult the local ABB representative or the manufacturer: IMPORTANT! When calling ABB, please leave your name, department and phone number. This will allow the responsible ABB representative to call back without delay.
It is the owner’s responsibility to ensure that each person involved in the installation and commissioning of the UNITROL 1020 has received the appropriate training or instructions and has thoroughly read and clearly understood the safety instructions in this chapter.
If the device is built into a whole system, other warning labels are attached to the inside of the cubicle doors and to the covers of the power converter modules. The following residual danger areas must be taken into account when working on the excitation system: 3BHS335648 E82 UNITROL 1020 User Manual...
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Danger from main and auxiliary voltages in cubicles when cubicle doors are open. Attention must be paid when installing / replacing the UNITROL 1020. The unit has large capacitors, which might be charged even after disconnecting the unit. An orange blinking LED warns the user in case the internal voltage exceeds 30 V dc.
NOTICE! This symbol emphasizes important information. Non-observance can cause damage to the installation or to objects close to it. IMPORTANT! This symbol indicates useful information. Not to be used to indicate dangerous situations. 3BHS335648 E82 UNITROL 1020 User Manual...
Operators must be familiar with the emergency shutdown sequence of the system. DANGER! Residual voltage of the rotating machine is present immediately after shut-down of the system. There is a danger of electric shock. Wait until the system is grounded. UNITROL 1020 User Manual 3BHS335648 E82...
Meaning of signal words and consequence statement: Sign Description of the signal word DANGER, electrical DANGER This symbol indicates imminent danger that will result in life-threatening physical injury or death. 3BHS335648 E82 UNITROL 1020 User Manual...
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CAUTION, electrical CAUTION This symbol indicates a possible dangerous situation that could result in moderate physical injury. This signal word can also be used for warnings related to equipment damage. UNITROL 1020 User Manual 3BHS335648 E82...
In addition, user-friendly software facilitates commissioning and allows optimization of operation. The UNITROL 1020 unit can be connected to a 40 A Power Module called UNITROL 1000-PM40. For further information refer to the separate User Manual.
The site of installation must be dry and free of dust. 147.5 mm 170 mm 3.3.1 Connection Diagram Digital I/Os Analog I/Os UNITROL 1020 AUX L1 AUX L2 AUX L3 RS- 485 ExCap(-) Supply power electronics PWR L1 PWR L2 PWR L3 UNITROL 1020 User Manual 3BHS335648 E82...
Control permission (write parameters) is handled automatically by the AVR microcontroller. The Remote Access feature is described in detail in Chapter 3.4.6 - Modbus for Remote Access. 3BHS335648 E82 UNITROL 1020 User Manual...
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Chapter 3 - Device Overview 3.3.2.4 Terminal Blocks The terminal blocks are separated regarding their functions, see following figure. Figure 3-1Terminal Block of UN1020 UNITROL 1020 User Manual 3BHS335648 E82...
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PWR L2 Main L2 AUX L1(+) Power Supply L1 (+) PWR L1 Main L1 Protection Earth *Jumpers can be used to shorten excitation power input with control power Uaux input in order to reduce wiring 3BHS335648 E82 UNITROL 1020 User Manual...
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24V Power 24V Power Ref. Label Signal Description GND Analog Output 2 Analog Output 2 GND Analog Output 1 Analog Output 1 GND Negative Reference -10V Negative Reference GND Positive Reference +10V Positive Reference UNITROL 1020 User Manual 3BHS335648 E82...
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The jumpers must be plugged as shown in the drawing on the left. X1300 X1302 Ref. Label Signal Description RS-485 + CAN High RS-485 shield CAN Shield RS-485 - CAN Low CAN Power 5V CAN GND 3BHS335648 E82 UNITROL 1020 User Manual...
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Yellow Excitation ON, Blinking: Limiter active D804 Device status ON: Alarm or trip active Blinking: Startup failure, target could not load parameters Excitation output is blocked Save parameter to EEPROM first before starting excitation UNITROL 1020 User Manual 3BHS335648 E82...
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Key board panel can be mounted inside front panel. Following additional equipment can be ordered: Door mouning kit: OPMP-01-Kit: Mounting Cabinet Panel ACS 3AUA0000013086 RJ45 cables: RJ45 CAT 5e SF/UTP, gray 1,5 meter 3BHE027825R0150 RJ45 CAT 5e SF/UTP, gray 3.0 meter 3BHE027825R0300 3BHS335648 E82 UNITROL 1020 User Manual...
-10V AGND AGND in, norm. V1 to V4 +24V V5, V6 +24V norm. D1 to D8 Digital D9 to D12 in, inv. Digital IO's out, inv. inputs DGND DGND inv. out, norm. UNITROL 1020 User Manual 3BHS335648 E82...
- Machine L1 6 = ML2 - Machine L2 max. 500 V / 0.2 VA 5 = ML3 - Machine L3 L1 L2 L3 PT & CTs must be grounded Line Voltage measurement single- 3BHS335648 E82 UNITROL 1020 User Manual...
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24V Power 26 = V6 24V Power 20 = G2 Note: The internal 24 V supply (V1 to V6) can be loaded with a maximum of 600 mA by all used digital inputs and outputs. UNITROL 1020 User Manual 3BHS335648 E82...
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75 = CL CAN_L CAN_H 73 = CS CAN_SHIELD CAN_POWER 71 = CH CAN_H X1302 Two jumpers X1302 for See terminals the bus terminating resistor. Jumpers must be placed at both ends of the bus 3BHS335648 E82 UNITROL 1020 User Manual...
(optional) is not available in the device, the input signal will activate Voltage Matching only. (Requires Synchronization SW) VDC Enable Activates the Voltage Droop Compensation (VDC) control mode. (Requires Voltage Droop Compensation (VDC) SW) UNITROL 1020 User Manual 3BHS335648 E82...
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Polarity can be configured for all digital input/output ports separately, and each one has a separate polarity configuration when configured as input or output. Each DIO port can be configured as only input or only output at the same time. 3BHS335648 E82 UNITROL 1020 User Manual...
Limit value for maximum machine voltage is exceeded, voltage limiter active Voltage Relay Active = machine voltage below boost threshold Inactive = boost threshold plus hysteresis exceeded Not dependent on signal Excitation ON. Close CB Command The command is released: UNITROL 1020 User Manual 3BHS335648 E82...
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3.3.6.2 Forcing Digital Output Signals Each digital output can be forced for test purposes by inverting its polarity. This will even work when no output signal is selected. 3BHS335648 E82 UNITROL 1020 User Manual...
Scaling from 0.1% to 1.0% (Requires PSS SW) PSS LeadLag Injection Neg. peak value Pos. peak value Scaling from 0.1% to 1.0% (Requires PSS SW) PSS External Input -25% U +25% U Range symmetrically (Requires PSS SW) adjustable UNITROL 1020 User Manual 3BHS335648 E82...
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(DI 13 to DI18) DI14 = 1 Status of the digital -> Din13(+) -> Din13(+) inputs -> Din14(-) -> Din14(-) Note: AI and BI must not be active simultaneously, DI13 and DI14 will both be “0” 3BHS335648 E82 UNITROL 1020 User Manual...
Range: 0 to 10 Hz PSS TP output 1 Neg. peak value Pos.peak value Scaling depending on PSS test interface settings PSS TP output 2 Neg. peak value Pos.peak value Scaling depending on PSS test interface settings UNITROL 1020 User Manual 3BHS335648 E82...
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This parameter is internally Uout 0% set as the negative of "Slip (min) 100%": Slip 0% Slip 100% "Slip0%" = (-)"Slip100%" (min) (max) Aout Uout 100% ActivePower (max) ActivePower Uout 0% (min) ActivePower 100% (max) 3BHS335648 E82 UNITROL 1020 User Manual...
The serial USB port of UN1020 can be used to connect a PC that runs a CMT1000 software. Max. USB cable length is 3 m. The USB port will power up control devices of UNITROL 1020 in order to allow the user to download or upload files to the unit without additional power supply connection.
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Device detection. (Port 5002/5003) Ethernet scanning (CMT1000 function) Modbus TCP (Port 502) SNTP client (Port123) More information about these software features and configuration can be found Chapters 3.4.6 Modbus for Remote Access and 6.4 PC Software Tool. 3BHS335648 E82 UNITROL 1020 User Manual...
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Remote Access over Modbus TCP and VDC over RS485. Figure 3-4 ABB solution if both Remote Access and VDC features are required. The electrical connections of the RS485 bus should be performed according to EIA485 standard specification.
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UN1000-PM connected to the AVR since the CAN communication is not needed for the operation of the monitoring functions. However, the remaining functions from Double Channel are not compatible with the UN1000-PM. For more information see Chapter 3.4.4.4.9 - DCH Communication: Configuration and Compatibility. 3BHS335648 E82 UNITROL 1020 User Manual...
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CV CS RH RL RS CG CH CL CV CS RS-485 RS-485 Channel 2 Channel 1 X1300 X1300 X1302 X1302 Shielding Shielding Double Channel CAN Communication Figure 3-7 CAN connection for Double Channel SW UNITROL 1020 User Manual 3BHS335648 E82...
Option 3.4.5.4 Once a password code has been acquired from ABB, an optional software feature can be enabled using the CMT1000 software. A pre-configured device with selected optional features can also be ordered by means of the product rubric number, and in this case there is no need for software activation by password.
Remark: MVar Var setpoint is normalized at 1pu terminal voltage of the generator 3.4.1.4 Open Loop Control with a fixed output signal. Note: No limiters are active as long as this mode is active. UNITROL 1020 User Manual 3BHS335648 E82...
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- Open Loop to open loop regulation circuit All setpoints have the following parameters - Minimum - Maximum - Ramp Rate Auto, Manual and Open Loop also have the following parameters - Initial Setpoint 3BHS335648 E82 UNITROL 1020 User Manual...
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PF or Var Control Proportional Gain Vp P [W] Active power underexcited overexcited and PQ Limiter Derivation Time Tb [s]*) Integration Time Ta Generator *) Only one parameter, see Reactive power voltage control Q+ [var] Motor UNITROL 1020 User Manual 3BHS335648 E82...
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1 and 50 which will give a derivator gain between 2 x and 51 x Vp. Variable kceiling, Upower @ Noload: In case of variable input voltage, UNITROL 1020 will adjust the kceiling factor automatically by setting the parameter Upower @ Noload. The kceiling factor will be adjusted depending on the Upower input.
In order to measure the correct frequency, the machine voltage must be above 2% 3.4.2.2 Field Flashing Machine voltage - Off Level Off Level Signal field flashing Setting the Off Level to 0% disables field Field flashing off level flashing. Soft start level Excitation ON UNITROL 1020 User Manual 3BHS335648 E82...
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This function is enabled by the parameter “Maximum PMW when Boosting”. The function is parametrized by the normal boost setting and on off timing is also considering actual SP. 3BHS335648 E82 UNITROL 1020 User Manual...
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This will prevent the generator to trip because of speeding up. The output is only activated in case the active Power is over the configurable power threshold. The reaction time depends on the configured voltage measurement 3-phase measurement 20ms 1-phase measurement 50ms UNITROL 1020 User Manual 3BHS335648 E82...
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UNITROL 1020 supplies the corresponding control signals for the speed governor and closes the circuit breaker. Analog speed correction Fbias is given out from the UNITROL 1020 analog output to the speed governor control summing point (not as pulse). This signal represents the difference of network NOMINAL and network ACTUAL frequency.
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A separate synchrocheck relay might be used to secure the right operation. For further information please contact ABB. Measuring and Matching The values are obtained by the two measurement signals UNET and UM ...
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Delta Angle = Phase + Angle Offset Example Situation: Due to a step-up transformer between machine and grid, U is delayed 30º with respect to U Correction needed: Angle Offset = + 30º (positive). 3BHS335648 E82 UNITROL 1020 User Manual...
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= 49.2 Hz Using digital output signals to adjust the speed: As an alternative to the fbias signal, UNITROL 1020 also supports increase and decrease signals as digital outputs in order to adjust the speed. The digital outputs are pulse width modulated with 4000 ms base time.
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Pulse width Dead Bus Synchronization UNITROL 1020 supports synchronization to a dead bus (Unet < 10%). To enable dead bus synchronization, the digital input “Sync Dead Bus enable” must be configured and applied. The digital input should be wired over the MCB of the Unet PT protection in order to ensure that Unet is <...
3.4.3.1 Voltage Droop Compensation (VDC) For island operation only UNITROL 1020 offers a special feature called Voltage Droop Compensation or VDC. This feature equally shares the amount of reactive power between generators connected in parallel to the same bus by using the RS485 bus for communication between AVRs.
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The VDC software allows the network to be divided into smaller entities. Each AVR can operate in one of three pre-determined island grids called Primary and Secondary Nets. The Primary Net (open breaker) is selected by default if the Secondary is not configured. 3BHS335648 E82 UNITROL 1020 User Manual...
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VDC mode can also be used in a ring structure, where the ring can be split up and the AVR automatically shares load with the connected machines. A ring is based on segments with a left (decreasing) and right (increasing) breaker. The UNITROL 1020 User Manual 3BHS335648 E82...
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In addition the user can select the common section breaker, where a combination of two breakers in series is routed to neighboring sections. This will ensure correct load sharing even if one segment is completely powered off. 3BHS335648 E82 UNITROL 1020 User Manual...
V/Hz Recovery Time [s] The function is blocked: During Soft Start When PQ Limiter is active When Voltage Relay is active When Generator state is “no load” or “Parallel with grid” UNITROL 1020 User Manual 3BHS335648 E82...
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Minimum Active = True/False - Limiter active Maximum Active = True/False - With active limiter, AUTO SP is taken from the FRT AUTO SP Hold enable = operation point prior to fault condition True/False 3BHS335648 E82 UNITROL 1020 User Manual...
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UfLimGain. The resulting value subtracts the maximum excitation current limit Max Ie, thus reducing the field voltage. If the gain UfLimGain is set to zero, this limiter is disabled. Gain Ie_Max Ie_Max-Ie_Del error Ie_Max value – Look-up to Ie_Max limiter table Vfd_max UNITROL 1020 User Manual 3BHS335648 E82...
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DCH Communication. Throughout the CAN bus, measurements, statuses and setpoints are transmitted and received from both channels. The data information can be read from Panel, CMT1000, using Remote Access and is used 3BHS335648 E82 UNITROL 1020 User Manual...
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Logic Comm Status CAN communication data flow to 2nd Measurement & Measurements, setpoint and channel Communication other data used by DCH Follow-Up and user interfaces Figure 3-10 Schema of main Double Channel functions. UNITROL 1020 User Manual 3BHS335648 E82...
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Each status signal is config when it goes to On or Logic 1 Standby to DO Alarm status ( edge detection ) config port Standby Alarm status config Figure 3-11 Double Channel Supervision. 3BHS335648 E82 UNITROL 1020 User Manual...
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PCB (this is not a PT monitoring function). Phase L1 Failure condition: The voltage measurement is more than Phase L2 10%, constant and not alternating. Phase L3 On CMT100: “UMLx Freeze” UNITROL 1020 User Manual 3BHS335648 E82...
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Mismatch of breaker detection for busbar configuration or 1 sec in the same section for VDC ring configuration On CMT1000: “VDC Breaker Status Error ” Failure condition: The same breaker will show up with a different status 3BHS335648 E82 UNITROL 1020 User Manual...
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AVR output SC AVR output short-circuit detection 10 ms Sum of configurable Limiter status Limiter Monitor 1 (Configurable in ‘Limiter Monitor’ Window) Sum of configurable Limiter status Limiter Monitor 2 (Configurable in ‘Limiter Monitor’ Window) UNITROL 1020 User Manual 3BHS335648 E82...
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Alarm and Trip DO signals, the DO assigned for Changeover always outputs the Changeover Status disregarding whether the channel is Standby or Active; for Changeover DO, this cannot be configured as it is for Alarm and Trip. 3BHS335648 E82 UNITROL 1020 User Manual...
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Remote Access or via a digital input (common case). Figure 3-14 shows a typical example of Changeover output to set the Redundant Channel to Standby or Active mode. The ResetAlarm input is normally used to clear the latch memory of Changeover UNITROL 1020 User Manual 3BHS335648 E82...
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Double Channel software support. For more information about Channel Follow-up see Chapter 3.4.1.5 - Channel Follow-up. The DCH Follow-up uses the setpoint information from the Active channel over the CAN 3BHS335648 E82 UNITROL 1020 User Manual...
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SP = 0% Standby AVR Standby AVR Active AVR Measurements Measurements Openloop Calculated Calculated Calculated Manual SP from from from of Active SP = 0% Standby AVR Standby AVR Standby AVR Measurements Measurements Measurements UNITROL 1020 User Manual 3BHS335648 E82...
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Short circuit of a diode It is needed in brushless excitation systems and can only be done indirectly, because the diodes are part of the rotor. See the principle circuit for the excitation in Figure 3-16. 3BHS335648 E82 UNITROL 1020 User Manual...
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It can record max. 12 signals, 7 of which are fixed and 5 of which can be programmed individually. Fix predefined signals Generator Voltage Generator Current Reactive Power Excitation Current Generator Status Generator Operation Mode UNITROL 1020 User Manual 3BHS335648 E82...
Temperature of controller Temperature DSP 0°C 3.4.5.2 FCB Control Field circuit breaker control FCB Control is an alternative way to control the field circuit breaker. The control is active, when the FCB command signals are configured. 3BHS335648 E82 UNITROL 1020 User Manual...
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5 sec of switching on Delay monitor function is implemented. Options will activate monitor function at once when AVR becomes active Field Voltage Limiter See separate chapter None UNITROL 1020 User Manual 3BHS335648 E82...
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The PSS derives additional signals from the generator internal frequency, which considerably improves the stability of the power transmission. 3BHS335648 E82 UNITROL 1020 User Manual...
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The frequency input is based on synthesized frequency measurement taking into account terminal voltage as well as machine current. Due to the PSS function implementation and structure of UNITROL 1020 AVR, there are some points to be noticed when using this PSS. The following elements limit the maximum performance of the PSS: ...
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Chapter 3 - Device Overview The parameters are not explained here. For more information refer to the following documents: UNITROL 1020 Power System Stabilizer (PSS) Engineering Notes Doc. No. 3BHS351450 E01 Simplified Computer Representation for Power System Stability Studies UNITROL 1020 and UNITROL 1010 Doc.
AVR. The document that describes the MODBUS Registers Table is normally included in the CD-ROM that comes with new devices. It can also be ordered from ABB. The manufacturer details and contact information can be found in Chapter 1.5 - Manufacturer’s Address.
An Access Level changing request can be denied when more than one CMT1000 and/or more than one Remote Access device are trying to establish a connection to the same AVR. The UN1020 supports a simultaneous connection of one CMT1000 and up to ten 3BHS335648 E82 UNITROL 1020 User Manual...
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Offline. This practice is not recommended by ABB. The method to change Access Levels from Panel, CMT1000 and Remote Access is explained in the following sections. For more details about UN1020 user interfaces, refer to Chapter 6 - Operation.
NOTICE! The unit is visibly damaged: Safe operation is not possible. The unit must not be installed and taken into operation. UNITROL 1020 User Manual 3BHS335648 E82...
Mounting Rack mounting Wall mounting The UNITROL 1020 is designed for rack or wall mounting in upright position. A distance of approx. 50 mm around the unit shall be kept free for optimal cooling.
Digital and analog IO cables must be separated from any power or measurement cable 4.5.2 Inrush current of UNITROL 1020 Due to the large internal DC capacitor the inrush current might become very high especially with a strong voltage source.
Ambient temperature, +10 °C decreases lifetime by factor 2 b) Nominal excitation output current c) Source of input voltage, DC, 3-phase or single-phase The following table defines when an external capacitor is needed in order to have a suitable operation lifetime. 3BHS335648 E82 UNITROL 1020 User Manual...
4.6.1 Storage Conditions The equipment must be stored in the original packing. Make sure that the following environmental conditions are fulfilled during the entire period of storage. ABB recommends keeping the air temperature and the relative air humidity constant: Air temperature: 0 °C to +55 °C...
4.7.2 Mechanical Shredding In this method, a whole product is mechanically shredded into small pieces. Materials are sorted using dedicated sorting processes. Components containing harmful materials must however be removed before shredding. 3BHS335648 E82 UNITROL 1020 User Manual...
The safety regulations according to Chapter 2 - Safety Instructions must be followed. WARNING! UNITROL 1020 units operate with dangerous voltages of up to 300 V ac or 300 V dc. Manipulation of live parts can lead to death or injury to the persons involved or damage to the surroundings.
The following section describes how to determine the Ceiling Factor in two different ways. We recommend the measuring method. Measuring method: ceil PWMnoload UM Nominal Uemax: Maximum output voltage Regulator Ueo: Output voltage at nominal voltage of the machine emax (machine in no-load operation) 3BHS335648 E82 UNITROL 1020 User Manual...
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5.3.1.2 Setup \ System Data, Machine Reactance Xq (non-saturated) Xq ≈ 0.7 to 0.5 Xd - Salient pole machine: Xq ≈ Xd - Cylindrical-rotor machine (Turbo): UNITROL 1020 User Manual 3BHS335648 E82...
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Depending on the machine data and recommendations of the machine supplier. 5.3.1.10 Setup \ Digital I/Os, Configuration Software configuration of the digital I/Os Define terminal as input or output Assign terminal to desired signal Select polarity 3BHS335648 E82 UNITROL 1020 User Manual...
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The inputs DI13 to DI18 can be used as virtual digital inputs even if they are not defined in Analog Inputs as Digital Inputs. 5.3.1.13 Setup \ Synchronization The machine frequency must always be higher than the network frequency and cannot be synchronized by a positive slip. UNITROL 1020 User Manual 3BHS335648 E82...
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Number of pole pairs in exciter machine Nominal Generator frequency Number of pole pairs in generator 5.3.1.15 Setup \ PSS ABB offers PSS parameter calculation and stability studies, contact us for further questions. For more information refer to following documents: ...
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In the case of machines with step-up transformers, the voltage drop of the transformer can be partly compensated with positive values of Kq. Example Step-up transformer Reactance = 12% Compensation Kq = +7% = 12% - 5% After step up transformer Drop of 5% UNITROL 1020 User Manual 3BHS335648 E82...
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All signal assigned to a physical input (digital or analog) cannot be overwritten by modbus remote acces, and data are ignored Configurable modbus signals UNITROL 1020 provides a free configurable signal list to read out required signal with one access. Access Levels Modbus Remote Access shares the control of the AVR with the CMT1000 and the SCP Panel.
Wiring check, compare connections with schematics. CAUTION! Check the insulation strength of the plant with the insulation tester During the test, the equipment could be damaged by the testing voltage. Disconnect cables to the UNITROL 1020 Switch on auxiliary voltage U ...
“six o’clock”, one voltage is incorrectly connected. In other positions, either measuring is being carried out on incorrect phases or a phase shift caused by the connection group of a step-up transformer has not been compensated. 3BHS335648 E82 UNITROL 1020 User Manual...
In this status, the phase-angle difference must be 0 deg. Otherwise the measuring cable is incorrectly connected. Incorrect polarity cannot be detected by the UNITROL 1020. Paralleling with incorrect polarity can lead to serious damage. A phase shift caused by one of both measuring transformers or by the connection group of a step-up transformer must never take place.
Chapter 6 - Operation 6.1 General NOTICE! ABB recommends periodical training for operating personnel 6.2 Safety Regulations DANGER! Dangerous voltage. There is a danger of electric shock. NOTICE! Before operating the excitation system the general safety instructions in Chapter 2 - Safety Instructions must be read and understood.
AVR main controller (DSP) firmware are incompatible each other; which might occur after a firmware upgrade. However, regulation and protection functions are normally still in operation, without being influenced by communication problems with the panel. 3BHS335648 E82 UNITROL 1020 User Manual...
The panel switches back to remote mode after 1 min without user interaction. Remote: Panel has no write access rights, only indications Local: Panel has full write access and blocks CMT and field bus remote access UNITROL 1020 User Manual 3BHS335648 E82...
The panel uses INCREASE and DECREASE commands to change setpoint within DSP. Thus setpoint changes according to ramp rate settings of DSP settings. Setpoint mode must be left by user, it is not left automatically after a certain time with no user interaction. 3BHS335648 E82 UNITROL 1020 User Manual...
Reactive Power 0210 React Power rel 0211 Active Power 0212 Act Power rel 0213 Net Frequency 0214 Machine Freq 0215 Power Factor 0216 DI Emergency OFF 03 2 ch Measurement 0301 AVR2_Mode 0302 AVR2_ActiveSP UNITROL 1020 User Manual 3BHS335648 E82...
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0506 Exc Over Curr 0507 External Alarm 06 Limiter Status 0601 Active Oper Lim 0602 V/Hz Limiter 0603 SP Min Reached 0604 SP Max Reached 07 Alarms Status 0701 Software Alarm 0702 FCB Alarm 3BHS335648 E82 UNITROL 1020 User Manual...
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RS485 Rcv Frames 0804 RS485 Tx Frames 0805 RS485 Bit Errors Parameters are listed in the same order as in the CMT1000 menu for Setup, Communication and Tune. For parameter setup refer to Chapter 9.3 UNITROL 1020 User Manual 3BHS335648 E82...
RESET ALARM 0102 Save to EEPROM Setting new parameters over the panel or over CMT changes the parameters in the volatile memory only. To make the modification permanent, the entire parameter set must be saved. 3BHS335648 E82 UNITROL 1020 User Manual...
Minimum Iq Limiter active (PQ-Limiter) Min Iq Maximum Excitation Current Limiter active Max Ie Maximum Machine Voltage Limiter active Max UM Reserved Maximum Machine Current Limiter active Max IM V/Hz Limiter active Minimum Setpoint reached Maximum Setpoint reached UNITROL 1020 User Manual 3BHS335648 E82...
Supervision Trip active (requires Double Channel SW) +256 DCH SwitchOver active (requires Double Channel SW) A defective unit should be first reported to ABB in order to send back the unit after authorization. For contact information, refer to Chapter 1.5 Manufacturer’s Address. 3BHS335648 E82...
Chapter 6 - Operation 6.4 PC Software Tool The PC software tool used with UNITROL 1020 is called CMT1000. Release 6.300 is compatible with all previous 6.xxx releases but not with releases older than 6.000. 6.4.1 General Parameter configuration and optimization can be done with the user-friendly software CMT1000 for Microsoft Windows.
Connect the device with the delivered USB cable to your PC. The window “New Hardware Found” appears. Click Next until the device is installed. 2 CMT1000 Installation Open C) CMT1000 Installer Files and double-click Setup.exe 3BHS335648 E82 UNITROL 1020 User Manual...
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Chapter 6 - Operation Click Next Select I accept the License Agreement Click Next UNITROL 1020 User Manual 3BHS335648 E82...
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Chapter 6 - Operation Select I accept the License Agreement Click Next Click Next 3BHS335648 E82 UNITROL 1020 User Manual...
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Device Manager if UNITROL 1000 is listed under Ports 3 PC Firewall Configuration Click Start – Settings – Network Connections – Change Windows Firewall Settings Click the tab Exceptions and Add Port UNITROL 1020 User Manual 3BHS335648 E82...
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Chapter 6 - Operation Fill out Name: Scanning Port: 5002 Do the same for Port 5003 3BHS335648 E82 UNITROL 1020 User Manual...
If the respective COM port is not found, check whether the required COMx is correctly configured in the operating system or is being used by another application. Port settings normally used for COM: Base I/O Port address: 3f8 Interrupt Request Line (IRQ): 4 UNITROL 1020 User Manual 3BHS335648 E82...
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4. Click the Ok button to save the configuration or Cancel to abort the changes. Note: The message "In use" can appear when the IP address is already being used by CMT1000. This message can be ignored. 3BHS335648 E82 UNITROL 1020 User Manual...
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To store all parameters in the EEPROM using CMT1000, click "Write parameters to EEPROM" from the File menu. Figure 6-10 CMT1000 during Control Access UNITROL 1020 User Manual 3BHS335648 E82...
If the cross button is not available, the information in the window explains how to close it. This is the case for “About CMT1000” which can be opened using the menu “Help”. 3BHS335648 E82 UNITROL 1020 User Manual...
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The download of an incompatible configuration INI file is not recommended and it is up to the user to verify if all parameters are set correctly before going into Operation with the AVR. UNITROL 1020 User Manual 3BHS335648 E82...
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CMT1000 may not be able to correctly read the file any longer and serious damage may be caused to the equipment due to the incorrect parameter settings. Please open an *.INI file using the CMT1000 all the time, when a parameter value has to be changed. 3BHS335648 E82 UNITROL 1020 User Manual...
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SW-Options It allows the user to enable (unblock) optional software in the AVR. A password code is required for each specific function (SW-option) and it shall be ordered with ABB. The following steps should be followed in order to enable optional software in the UN1020: 1.
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Figure 6-16.The SW Options window allows the user to enable optional software in the AVR. Figure 6-17 Upper: LED is bright when the optional SW is enabled in the AVR. Lower: A wrong password does not enable the SW. 3BHS335648 E82 UNITROL 1020 User Manual...
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[% and kW] Excitation Current (Ie) Machine Current (IM2) [% and A] Machine Reactive Power (Q) [% and kVar] Network Frequency (fNet) [Hz] Machine Frequency (fM) [Hz] Power Factor (PF) UNITROL 1020 User Manual 3BHS335648 E82...
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Figure 6-19 Oscilloscope window. The Oscilloscope window menu and the function description of each item are explained in Figure 6-20. The Oscilloscope can be started and stopped as explained in Figure 6-21. UNITROL 1020 User Manual 3BHS335648 E82...
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(Figure 6-22). If the instantaneous value from another Channel is object of interest, the channel selection for the cursors A and/or B can be changed on the Oscilloscope window itself (see Figure 6-22). 3BHS335648 E82 UNITROL 1020 User Manual...
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AVR). During the time the vertical line runs, the instantaneous value of the curve is displayed on the Oscilloscope window, under the cursor A information. If an Instrument window is opened during this process, the instantaneous data is also updated and shown UNITROL 1020 User Manual 3BHS335648 E82...
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The buffer length can be adjusted from 1, 2, 5, 10, 20, 50, 100 and higher values up to 500 seconds. The time scale can be adjusted in the bar above the waveform (Zoom). 3BHS335648 E82 UNITROL 1020 User Manual...
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+ 32 = Diode Trip active (requires RDM SW) + 64 = Supervision Alarm active (requires Double Channel SW) +128 = Supervision Trip active (requires Double Channel SW) +256 = DCH SwitchOver active (requires Double Channel SW) UNITROL 1020 User Manual 3BHS335648 E82...
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Min Ie Active None Figure 6-23 Example of Combined Limit Status PQ Diagram (Power Chart) Monitor \ PQ Diagram Note: The Limiter points can be moved with the cursor. Synchronization Diagram, Synchroscope Monitor \ Sync Diagram 3BHS335648 E82 UNITROL 1020 User Manual...
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Chapter 6 - Operation IM or Ie Temperature Monitor Monitor \ Temp Influence IM Limiter Ie Limiter UNITROL 1020 User Manual 3BHS335648 E82...
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(Figure 6-25) This means that no valid data is transmitted between both channels and that data is Figure 6-25 Second Channel Measurements, when Double irrelevant to be displayed. Channel communication failed or is disabled. Data Logger 3BHS335648 E82 UNITROL 1020 User Manual...
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Freeze button stops periodical update in order to evaluate the received events. The UNITROL device can store max 500 events. CMT1000 can store up to 1000 events, when connected to the UNITROL device. UNITROL 1020 User Manual 3BHS335648 E82...
Note: Some menu items may not be accessible when the CMT1000 has Monitor or Control Access and/or the AVR has optional software which is not available. All menu items are accessible when the CMT is Offline. 3BHS335648 E82 UNITROL 1020 User Manual...
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Chapter 6 - Operation 6.4.6.1 Operational parameters Adjust System Data Setup \ System Data Configure Soft Start Setup \ Soft Start Adjust Field Flashing Setup \ Field Flashing UNITROL 1020 User Manual 3BHS335648 E82...
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Setup \ Limiters \ Boost Boost Threshold % applies for both Boost and Voltage Relay features. Boost and Voltage Relay cannot be configured with different threshold values. FRT detection (Fault ride through) Setup for FRT detection output UNITROL 1020 User Manual 3BHS335648 E82...
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SP” will set SP to initial value when going to island operation. 4. Parameter configuration: "Reset SP to initial SP” will set SP to initial value in case “Reset Setpoint” is activated. 3BHS335648 E82 UNITROL 1020 User Manual...
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Setup \ Setpoints \ Open Loop Adjust Voltage Droop Compensation Control Range Setup \ Voltage Droop Compensation Setup Window for busbar configuration Setup Window for ring configuration For configuration refer to Chapter 3.4.3.1 Voltage Droop Compensation (VDC). UNITROL 1020 User Manual 3BHS335648 E82...
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Chapter 6 - Operation 6.4.6.2 IO configuration Configure Digital I/O Setup \ Digital I/Os UNITROL 1020 User Manual 3BHS335648 E82...
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When using AI pins for DI signals, both inputs should not simultaneously be active. Example of parameter setting using CMT1000 Example: Assigning Parallel with Grid Status to input DI10 Make Control-connection to the unit Menu bar CMT1000, start menu 1. Select setup and then Digital I/Os 3BHS335648 E82 UNITROL 1020 User Manual...
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EEPROM. Save parameters during CONTROL Access: - Unit: Menu bar CMT1000 \ File \ Write Parameters to EEPROM - Hard disk: Menu bar CMT1000 \ File \ Save Parameter File UNITROL 1020 User Manual 3BHS335648 E82...
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Chapter 6 - Operation Configure Analog Inputs Setup \ Analog Inputs 3BHS335648 E82 UNITROL 1020 User Manual...
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Chapter 6 - Operation Configure Analog Outputs Setup \ Analog Outputs 6.4.6.3 Miscellaneous Functions Adjust Synchronization Setup \ Synchronization The window is shown if CMT1000 is OFFLINE and/or Synchronization SW (optional) is available in the device. UNITROL 1020 User Manual 3BHS335648 E82...
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Stabilizer SW (optional) is available in the device. This window below can only be opened when the device is online and connected. Only then both configurable test points can be monitored in the CMT oscilloscope. 3BHS335648 E82 UNITROL 1020 User Manual...
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Ramp Track filter output ±25.0% Power Input ±200% Power washout input ±200% Delta Power integrator output ±25.0% Lead lag input ±25.0% Lead lag output ±25.0% Lead lag output limited ±25.0% PID output ±100.0% PID output limited ±50.0% UNITROL 1020 User Manual 3BHS335648 E82...
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Below extract shows how the common step can be enabled. During the time this is enabled, the VDC communication will be disabled If the Common Step Enable button is selected, this status is shown in the setpoint adjust window (indication turns green). 3BHS335648 E82 UNITROL 1020 User Manual...
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Chapter 6 - Operation The common step function is disabled as soon as the mode is changed or the excitation is switched off. UNITROL 1020 User Manual 3BHS335648 E82...
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Latch memory status of the monitoring function (latched to one Output status of when the Output status changes from zero-to-one). the monitoring The Latch status is used as input for the Configuration Matrix. function. 3BHS335648 E82 UNITROL 1020 User Manual...
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3 Extended Signal The 7 basic signals are not listed, they are always active Generator Voltage Generator Current Reactive Power Excitation Current Generator Status Generator Operation Mode UNITROL 1020 User Manual 3BHS335648 E82...
Modbus ID, which is used for CMT1000 access. That allows changing the name displayed in the CMT1000 and panel. For more information refer to Chapter 3.4.6 Modbus for Remote Access UNITROL 1020 User Manual 3BHS335648 E82...
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Chapter 6 - Operation Port configuration Communication \ Port configuration \ Serial Configures the connection interface with the AVR. For more information refer to Chapter 6.4.4.1 Configuring the Port Interface. Communication \ Port configuration\TCP/IP AVR Ethernet Settings 3BHS335648 E82 UNITROL 1020 User Manual...
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Keep-alive action Configuration parameters for RS485 comm unication ONLY. Protocol Bit rate (b/s) Character frame Active MODBUS over RS485 not active. VDC can be activated. MODBUS over RS485 active. VDC should not be activated. UNITROL 1020 User Manual 3BHS335648 E82...
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Do not use the ID displayed here Please be aware that this number will be automatically adjusted according the AVR-ID number and the Channel Indentification (Main / Redundant) Communication \ MODBUS Supervision \ Channel Setup 3BHS335648 E82 UNITROL 1020 User Manual...
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AVR-ID are not being received at all. During the time Net ID = 0, the LED for this AVR-ID is shown dark. IM Nominal refers to the Nominal Machine Current and Iq Rel to the Reactive Current in p.u. units. UNITROL 1020 User Manual 3BHS335648 E82...
6.4.8 Tune Menu Adjust Setpoint, Trigger Setpoint, Status Displays Tune \ Setpoint Adjust It allows setpoint adjustment, step response tests and visualization of operating modes, generator states, limiters and alarms status. 3BHS335648 E82 UNITROL 1020 User Manual...
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A step response can be performed by specifying the Step value and then clicking the lower Up (actual setpoint + Step) and Down (actual setpoint – Step) buttons. UNITROL 1020 User Manual 3BHS335648 E82...
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AUTO mode and the Kq Droop. Expert Tuning: In order to open the window, click Control+Shift+F9 when the Tune Auto window is active For details on the field rotor limitation, refer to 3.4.4.3 Field Voltage Limiter. 3BHS335648 E82 UNITROL 1020 User Manual...
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PI regulator used during PF/VAR modes and PQ Limiter. Regulator Parameters Manual / Ie Limiter Tune \ [ Manual/Ie Limiter ] Allows the configuration of parameters of the PI regulator used during Manual mode and Ie Limiter. UNITROL 1020 User Manual 3BHS335648 E82...
If the programming completed successfully, disconnect the USB cable and power cycle the device. Connect the CMT1000 to the device and double-check the loaded target software version against the CMT1000. In all other cases, the download has failed. 3BHS335648 E82 UNITROL 1020 User Manual...
6.4.10 Save Parameter File UNITROL 1010/1020 EEPROM Open Write Parameters Parameters Parameter Parameters File to EEPROM HARD DISK Save Parameter File EEPROM LED lights up, if data RAM = EEPROM (MONITOR or CONTROL only) UNITROL 1020 User Manual 3BHS335648 E82...
If you now switch to MONITOR or CONTROL the CMT1000 reads data from the RAM again. 6.5 Additional Tools In addition to the tool on the delivered CD, ABB recommends using following SW Tools, which can be downloaded free of charge from the internet: Software Tool...
These components present a great danger of electric shocks. The control elements and the PC interface on the front plate of the UNITROL 1020 unit are to be touched and/or attached only with caution. 7.3 Standard Procedures for Maintenance When the system is at a standstill, the screwed terminals, which can get loose due to vibrations, should be checked for tightness.
Setpoint error Check operating mode. For field flashing normally Auto is used Check setpoint Regulator error Measure output voltage at terminals 8, 9 (Osc.) -> positive Measure voltage UPWM (CMT1000, Monitor) -> positive rising UNITROL 1020 User Manual 3BHS335648 E82...
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Periodic oscillation of reactive and possibly active power Regulator settings incorrect Were changes made to the grid configuration? Additional outputs, loads etc. installed? Yes: reset regulator No: check parameters of Auto and PF, Var regulator 3BHS335648 E82 UNITROL 1020 User Manual...
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Excitation is only supplied by the series compounding No control element voltage Measure power electronics supply U Check for tripped protective circuit-breaker Regulator fault Check operating mode. For field flashing normally Auto is used Check setpoint Check parameters of Auto regulator UNITROL 1020 User Manual 3BHS335648 E82...
See manufacturer’s details on Chapter 1.5 Manufacturer’s Address. 8.5 Compatibility Target Release PC Tools / CMT1000 Panel Release 6.xxx CMT1000 Release 6.xxx OS 2.04, Control 1.001 No restrictions Earlier versions of CMT1000 are no longer compatible with this AVR. 3BHS335648 E82 UNITROL 1020 User Manual...
9.1.1 Ordering Information Material description Order code UNITROL 1020-0003 BASIC 3BHE030579R0003 UNITROL 1020-0006 FULL 3BHE030579R0006 UNITROL 1020-0007 FULL + PSS 3BHE030579R0007 UNITROL 1020 SCP door kit 3AUA0000013086 Order Text: OPMP-01-Kit : Mounting Cabinet Panel ACS UNITROL 1020 Cable to Panel...
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DC input and its value as well as on the resistance load of the exciter winding. Max heat sink temperature of 90 °C must not be exceeded. Please contact ABB for further information.
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USB Version 1.0, 1.1, 2.0 Maximal cable length 500m Service Control Panel Termination (configurable with Jumpers) 120 Ohm Display resolution (pixel) 128 x 64 Isolation to PE 1 kV dc Max. cable length Connector RJ-45 UNITROL 1020 User Manual 3BHS335648 E82...
3.8 kg IEC 61000-6-4 (Generic emission standard) 9.1.4 UL Certification To use UNITROL 1020 in a UL compliant way, the following must be considered: Max. surrounding air temperature 70 °C UNITROL 1010 max output capability at 70 °C 5 A /150 V UNITROL 1020 max output capability at 70 °C...
To remove the battery, use a coin to rotate the battery holder on the back of the control panel. Replace the battery with type CR2032. NOTICE! The battery is NOT required for any control functions except for the clock. 9.1.7 Mechanical data UNITROL 1020 User Manual 3BHS335648 E82...
Chapter 9 - Technical Data 9.2 Settings Record for UNITROL 1020 Name and Address of Customer: Plant: Order No.: Plant Schematic No.: Device Identification: Type Plate: Delivery Date: Software Revision: Control: Panel: CMT1000: Remarks: Place and Date of Commissioning:...
Chapter 9 - Technical Data 9.3 Parameter Settings, Default Values All parameter setting sand default values are described in the Modbus address table. UNITROL 1020 User Manual 3BHS335648 E82...
This User Manual is available in the following languages: 1. UNITROL 1020 User Manual 3BHS335648 E82 2. UNITROL 1020 Benutzerhandbuch 3BHS335648 D82 3. UNITROL 1020 Manuel d'Utilisation 3BHS335648 F82 4. UNITROL 1020 Manual de Usuario 3BHS335648 S82 3BHS335648 E82 UNITROL 1020 User Manual...
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General changes and updates 2011 12 15 Small changes in layout, review by several people 2012 01 25 General changes and updates 2012 05 02 Release 6.1 2013-05-17 Release 6.2 2014-01-15 Release 6.2 2014-02-14 Release 6.3x 2016-03-24 UNITROL 1020 User Manual 3BHS335648 E82...