Protection relay (33M-protection microprocessor) type ZERO
Offer type: salePublished: 28.02.2015
Protection relay (33M-protection microprocessor) type ZERO
Sell protection Relay (SSM protection microprocessore) type ZERO is intended for selective disconnection of protected connection single-phase earth faults in three-phase electrical networks with isolated or earthed through a high impedance resistor neutral. Relay operates using a serial current transformer zero sequence (TTP), for example TSL, tzr, as well as sources of narazenia oulevay sequence for example IOIE, US. ZNOL
The main advantage of microprocessor relay protection type ZERO is that it does not give false sabatani and performs the function of three relays:
1) the directional relay protection resulted, with the same sensitivity within the range of angles of operation;
2) time relays with settings 0; 0,5; 1,5 sec
3) the relay of the maximum current zero-sequence to disable
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