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1、 Copyright 2002 ABB. All rights reserved. - 1 - * Close look of UNITROL 5000 components ABB (China) Ltd Martin Affolter Copyright 2002 ABB - 2 - UNITROL5000 Content nOverview about components used in UNITROL5000 nSystem in plant can be different from this presentation Copyright 2002 ABB - 3 - UNITRO
2、L5000 Single line Diagram Copyright 2002 ABB - 4 - UNITROL5000 COB Copyright 2002 ABB - 5 - UNITROL5000 COB nController Board nCentral processor unit of UNITROL5000 nFirmware and application Copyright 2002 ABB - 6 - UNITROL5000 MUB Copyright 2002 ABB - 7 - UNITROL5000 MUB nMeasuring Unit Board nMeas
3、uring Ug and Ig nDiode monitoring nPSS (according IEEE) nPT-fail and other monitoring functions Copyright 2002 ABB - 8 - UNITROL5000 EGC Copyright 2002 ABB - 9 - UNITROL5000 EGC nExtended Gate Controller nBackup current regulator nBackup overcurrent relay Inverse time and instantaneous nBackup thyri
4、stor branch monitoring Copyright 2002 ABB - 10 - UNITROL5000 PSI Copyright 2002 ABB - 11 - UNITROL5000 PSI nPower Signal Interface nPre-processing of: nSynchronous voltage nField voltage nAC field current nDC field current (optional) Copyright 2002 ABB - 12 - UNITROL5000 FIO Copyright 2002 ABB - 13
5、- UNITROL5000 FIO nFast Input/Output nInterface between process signals and COB n16 digital inputs n18 digital outputs n4 analog outputs n3 analog inputs nInput for crowbar current measurement n3 amplifier inputs for current, voltage or resistance measurement Copyright 2002 ABB - 14 - UNITROL5000 SP
6、A Copyright 2002 ABB - 15 - UNITROL5000 SPA nService Panel nUsed for maintenance and service Copyright 2002 ABB - 16 - UNITROL5000 LCP Copyright 2002 ABB - 17 - UNITROL5000 LCP nLocal Control Panel nDisplay of analog values n8 signals with name, value and unit n4 signals with bar display nDisplay of
7、 8 error messages nPlant specific keys with LED Copyright 2002 ABB - 18 - UNITROL5000 ECT nExcitation Control Terminal nDifferent Screens nOperation menu nPower chart nSingle line diagram nTrending nFault and event recorder Copyright 2002 ABB - 19 - UNITROL5000 POW Copyright 2002 ABB - 20 - UNITROL5
8、000 POW nPower Supply and input filter nConvert AC or DC power to 24Vdc Copyright 2002 ABB - 21 - UNITROL5000 FBC Copyright 2002 ABB - 22 - UNITROL5000 FBC nFieldbus Coupler nI/O interface via ARCnet n32 digital inputs n32 digital outputs Copyright 2002 ABB - 23 - UNITROL5000 DII Copyright 2002 ABB
9、- 24 - UNITROL5000 DII nDigital Input Interface nUsed together with FBC n16 galvanically isolated binary inputs Copyright 2002 ABB - 25 - UNITROL5000 ROI Copyright 2002 ABB - 26 - UNITROL5000 ROI nRelay Output Interface nUsed together with FBC n16 relay outputs Copyright 2002 ABB - 27 - UNITROL5000
10、DIO Copyright 2002 ABB - 28 - UNITROL5000 DIO nDigital Input / Output nUsed together with FBC n16 Digital inputs n16 Digital outputs nInput signals can be linked onto 2 trip channels Copyright 2002 ABB - 29 - UNITROL5000 AIO Copyright 2002 ABB - 30 - UNITROL5000 AIO nAnalog Input Output nI/O Interfa
11、ce via ARCnet n8 analog inputs n8 analog outputs Copyright 2002 ABB - 31 - UNITROL5000 Converter Copyright 2002 ABB - 32 - UNITROL5000 Converter Bridge nThyristors Copyright 2002 ABB - 33 - UNITROL5000 Thyristor n3“ Flat Thyristors n1 Thyristor per branch 6 per converter bridge nMounted between heat
12、sinks Copyright 2002 ABB - 34 - UNITROL5000 Converter Bridge nThyristors nBranch fuses Copyright 2002 ABB - 35 - UNITROL5000 Branch Fuse nDisconnect branch in case of thyristor short circuit nEnables redundancy, only faulty converter will be blocked nIndication of blown fuse Copyright 2002 ABB - 36
13、- UNITROL5000 Converter Bridge nThyristors nBranch fuses nOvervoltage protection Copyright 2002 ABB - 37 - UNITROL5000 Overvoltage protection nAC voltage is connected via rectifier to R-C-filter nProtect Thyristors from overvoltage nReduce commutation peaks nPrevent self-firing of thyristors nAbsorb
14、 energy in case of a lightning strike nCapacitor nRectifier nResistors nFuse Copyright 2002 ABB - 38 - UNITROL5000 Converter Bridge nThyristors nBranch fuses nOvervoltage protection nConverter Isolator Copyright 2002 ABB - 39 - UNITROL5000 Convertor Isolator nDisconnect bridge from power circuit (AC
15、 and DC) for maintenance Copyright 2002 ABB - 40 - UNITROL5000 Converter Bridge nThyristors nBranch fuses nOvervoltage protection nConverter Isolator nCooling system Copyright 2002 ABB - 41 - UNITROL5000 Fan box nCooling of converter nPossibility of redundant fan nAirflow monitoring with flaps nPossibility of replacing single fan Copyright 2002 ABB - 42 - UNITROL5000 CIN Copyright 2002 ABB - 43 - UNITROL5000 CIN nConverter Interface nLink between COB and GDI nCurrent equalisation nConduction M
