Sepam - HV/MV Protection and control units (ENG) - Trinet

The parameters in the chart below serve as operating assistance.They do not correspond to control and monitoring function parameter settings.They automatically switch back to zero 30 seconds after they are set to 1.parameterfunctionopen / close controlKP17 = 1 display of program logic set up: display messagecircuit breaker with shunt-trip coilSHUNT-TRIPcircuit breaker with undervoltage release coilU/V RELEASElatching contactorLATCH CTRLcontactor with impulse ordersIMP. CTRLcontactor with latched ordersPERM. CTRLlogic discriminationKP18 = 1pilot wire testing: KP18 active if output O14 set to send blocking inputSepam units which receive the blocking input display the message RECEIVE BI.This contact facilitates pilot wire testing.countersKP19 = 1reset to zero of operation counter (C1)KP20 = 1reset to zero of phase fault trip counter (C2)and earth fault trip counter (C3 for substation Sepam)KP21 = 1motor and generator Sepam: reset to zero of running hours counter (C3)capacitor Sepam: reset to zero of running hours counters (C4, C5, C6)KP22 = 1 substation Sepam: reset to zero of specific recloser counters (C4 to C8)Control and monitoring functions2/9