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

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

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

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Contents<strong>Protection</strong> functionschapter / pagefunction n° ANSI code protection functions 2/1F01X, F02Y 50/51 phase overcurrent 2/2F19X, F20Y 50V-51V voltage restrained overcurrent 2/4F52X 67 directional over current 2/6F06X, FF40X 50N-51N earth fault 2/10F08X, F09Y 50G-51GF50X 67N directional earth fault 2/13F48X 67NC directional earth fault for 2/16compensated neutral systemsF101 50G-51G resistive earth fault 2/19F431 49 thermal overload 2/21F45X 46 negative sequence / unbalance 2/30F421 66 starts per hour 2/34F221 37 phase undercurrent 2/37F441 51LR excessive starting time <strong>and</strong> locked rotor 2/38F32X, F33Y, 27 system undervoltage 2/40F34X, F24Y,F36X, F37YF35X, F25Y 27R remanent undervoltage 2/42F38X 27D - 47 positive sequence undervoltage 2/43<strong>and</strong> phase rotation direction checkF28X, F29Y, 59 system overvoltage 2/44F30X, F31YF39X, F41Y 59N neutral voltage displacement 2/45F40X 47 negative sequence overvoltage 2/46F58X 81R rate of change of frequency protection 2/47F56X 81L underfrequency 2/50F57X 81H overfrequency 2/51F531 32P real overpower 2/52F541 32Q reactive overpower 2/54F551 37P real underpower 2/56F171, F181 25 synchro-check 2/58F03X, F04X, 50-51 percentage-based single-phase 2/61F05X, F11Y,overcurrentF12Y, F13YF981 50BF + 62 breaker failure protection 2/62F621 87G-87M motor-generator differential 2/64F641, F651 64REF restricted earth fault protection 2/66F661F46X, F47Y 49T- 38 temperature monitoring 2/68<strong>Protection</strong> functions2/1

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