Tender Document for Construction of Ghorasal 300-450 MW ... - BPDB
Tender Document for Construction of Ghorasal 300-450 MW ... - BPDB
Tender Document for Construction of Ghorasal 300-450 MW ... - BPDB
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5.2 Exciter (Brushless)Weight <strong>of</strong> rotor, kg -------------------------Weight <strong>of</strong> complete stator, kg -------------------------- Manufacturer, Country -------------------------- Type -------------------------- Rated output, kW --------------------------Rated load field voltage at0.80 pf/1.00 pf --------------------------Rated exciter current at0.80 pf./l.00 pf -------------------------- Exiter ceiling voltage, V --------------------------Maximum continuous excitercurrent, A --------------------------Excitation system voltageresponse ratio -------------------------5.3 Automatic Voltage Regulator-Manufacturer, Country -------------------------- Type -------------------------- Description <strong>of</strong> AVR, Ref. No. -------------------------5.4 Generator Protection (Manufacturer Cat. No. or Type)Relay Manufacturer -------------------------Generator differential relay --------------------------Generator ground over-current relay --------------------------Field / rotor ground detection system --------------------------Reverse power relay --------------------------Loss <strong>of</strong> field relay --------------------------Voltage restraint over-current relays --------------------------Negative phase sequence relay --------------------------Under/Over Frequency relay -------------------------- Synchro-Check Relay -------------------------- Auxiliary relays --------------------------Lockout relays -------------------------5.5 Generator Switchgear-Manufacturer, Country --------------------------Circuit breakerInterrupting Media SF 6Catalogue No. -------------------------Type -------------------------Closing current at 125 volts DC, A ---------------------Time to close, m sec -------------------------Tripping current at 125 volts DC, A -------------------------Time to trip, m sec -------------------------- Rating and capabilitiesCurrent rating, A -------------------------Voltage rating, V -------------------------Nominal 3 phase interrupting capacity, MVA -------------------------Maximum symmetrical interrupting capacity, kA -------------------------3 second short time rating, kA -------------------------<strong>Ghorasal</strong> <strong>300</strong>-<strong>450</strong> <strong>MW</strong> CCPP Project (Vol-2B <strong>of</strong> 2 ) 35
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