r i g h t 2002 A B B .t s r e s e r v e d . -1-5Close look of UNITROL ®5000 componentsABB (China) LtdMartin Affolterig ht202 AB B -2-UNITROL ®5000 –Content⏹Overview about components used in UNITROL ®5000⏹System in plant can be different from this presentationi g h t 2002 A B B -3-UNITROL ®5000 –Single line Diagrami g h t 2002 A B B -4-ig ht202 AB B -5-⏹Co ntroller B oard ⏹Central processor unit of UNITROL ®5000⏹Firmware and applicationi g h t 2002 A B B -6-ig ht202 AB B -7-⏹M easuring U nit B oard ⏹Measuring Ug and Ig ⏹Diode monitoring ⏹PSS (according IEEE)⏹PT-fail and other monitoring functionsi g h t 2002 A B B -8-ig ht202 AB B -9-⏹E xtended G ate C ontroller ⏹Backup current regulator ⏹Backup overcurrent relay Inverse time and instantaneous ⏹Backup thyristor branch monitoringi g h t 2002 A B B -10ig ht202 AB B -11⏹P ower S ignal I nterface ⏹Pre-processing of:⏹Synchronous voltage ⏹Field voltage ⏹AC field current ⏹DC field current (optional)i g h t 2002 A B B -12ig ht202 AB B -13⏹F ast I nput/O utput ⏹Interface between process signals and COB ⏹16 digital inputs ⏹18 digital outputs ⏹4 analog outputs ⏹3 analog inputs ⏹Input for crowbar current measurement ⏹3 amplifier inputs for current, voltage or resistance measurementi g h t 2002 A B B -14ig ht202 AB B -15⏹S ervice Pa nel ⏹Used for maintenance and servicei g h t 2002 A B B -16ig ht202 AB B -17⏹L ocal C ontrol P anel ⏹Display of analog values ⏹8 signals with name, value and unit ⏹4 signals with bar display ⏹Display of 8 error messages ⏹Plant specific keys with LEDig ht202 AB B -18⏹E xcitation C ontrol T erminal ⏹Different Screens ⏹Operation menu ⏹Power chart ⏹Single line diagram ⏹Trending ⏹Fault and event recorderi g h t 2002 A B B -19i g h t 2002 A B B -20⏹Pow er Supply and input filter ⏹Convert AC or DC power to 24Vdci g h t 2002 A B B -21i g h t 2002 A B B -22⏹F ield b us C oupler ⏹I/O interface via ARCnet ⏹32 digital inputs ⏹32 digital outputsi g h t 2002 A B B -23i g h t 2002 A B B -24⏹D igital I nput I nterface ⏹Used together with FBC ⏹16 galvanically isolated binary inputsi g h t 2002 A B B -25i g h t 2002 A B B -26⏹R elay O utput I nterface ⏹Used together with FBC ⏹16 relay outputsi g h t 2002 A B B -27ig ht202 AB B -28⏹D igital I nput / O utput ⏹Used together with FBC ⏹16 Digital inputs ⏹16 Digital outputs ⏹Input signals can be linked onto 2 trip channelsi g h t 2002 A B B -29ig ht202 AB B -30⏹A nalog I nput O utput ⏹I/O Interface via ARCnet ⏹8 analog inputs ⏹8 analog outputsi g h t 2002 A B B -31UNITROL ®5000 –Converterig ht202 AB B -32UNITROL ®5000 –Converter Bridge Thyristorsig ht202 AB B -33UNITROL ®5000 –Thyristor⏹3“ Flat Thyristors⏹1 Thyristor per branch→6 per converter bridge⏹Mounted between heatsinksig ht202 AB B -34UNITROL ®5000 –Converter Bridge ⏹Thyristors ⏹Branch fusesig ht202 AB B -35UNITROL ®5000 –Branch Fuse ⏹Disconnect branch in case of thyristor short circuit ⏹Enables redundancy, only faulty converter will be blocked ⏹Indication of blown fuseig ht202 AB B -36UNITROL ®5000 –Converter Bridge ⏹Thyristors ⏹Branch fuses ⏹Overvoltage protectionig ht202 AB B -37UNITROL ®5000 –Overvoltage protection ⏹AC voltage is connected via rectifier to R-C-filter ⏹Protect Thyristors from overvoltage ⏹Reduce commutation peaks ⏹Prevent self-firing of thyristors ⏹Capacitor ⏹Rectifier ⏹Resistors ⏹Fuseig ht202 AB B -38UNITROL ®5000 –Converter Bridge ⏹Thyristors ⏹Branch fuses ⏹Overvoltage protection ⏹Converter Isolatorig ht202 AB B -39UNITROL ®5000 –Convertor Isolator Disconnect bridge from power circuit (AC and DC) for maintenanceig ht202 AB B -40UNITROL ®5000 –Converter Bridge ⏹Thyristors ⏹Branch fuses ⏹Overvoltage protection ⏹Converter Isolator ⏹Cooling systemi g h t 2002 A B B -41UNITROL ®5000 –Fan box ⏹Cooling of converter ⏹Possibility of redundant fan ⏹Airflow monitoring with flaps ⏹Possibility of replacing single fani g h t 2002 A B B -42ig ht202 AB B -43⏹C onverter In terface ⏹Link between COB and GDI ⏹Current equalisation ⏹Conduction Monitoring ⏹Monitoring functions ⏹Branch current ⏹Temperature ⏹Status messages from Isolator ⏹Status messages from snubberi g h t 2002 A B B -44i g h t 2002 A B B -45⏹G ate D river I nterface ⏹Final pulse stage for thyristor bridgei g h t 2002 A B B -46ig ht202 AB B -47⏹C onverterD isplay P anel ⏹Display instantaneous converter current ⏹LED display for converter operating statusi g h t 2002 A B B -48ig ht202 AB B -49⏹Cu rrent S ensor ⏹Single-phase differential current measurement by means of a hall sensor ⏹Nominal current I N =2000Ai g h t 2002 A B B -50UNITROL ®5000 –Fieldbreaker。