by Michele Pesci | Jan 12, 2022
Systems & Electronics IDB4N – Digital high impedance differential busbar protection The protection relay IDB4N belongs to SIGMA-N digital protection line and it performs function as three poles high impedance differential busbar protection. FUNCTIONS ANSI...
by Michele Pesci | Jan 12, 2022
Systems & Electronics MAIG-BF Breaker Failure If a switchgear does not work properly when an open command is applied the Breaker Failure MAIG-BF device identifies the fault condition and send the command to open the other switchgears in order to isolate the busbar....
by Michele Pesci | Jan 12, 2022
Systems & Electronics DIA4N – Interface protection relay according to CEI 0-16 Norm (ed. 3) The DIA4N protection relay belongs to the SIGMA-N digital protection line and it performs three phase overvoltage and undervoltage protection, overfrequency and...
by Michele Pesci | Jan 12, 2022
Systems & Electronics IFD4N – Digital multifunction protection relay for MV lines The multifunction protection relay IFD4N belongs to SIGMA-N digital protection line and it performs functions as 2phase overcurrent and directional earth fault relay for MV lines....
by Michele Pesci | Jan 12, 2022
Systems & Electronics UHF4N – Digital multifunction protection relay The multifunction protection relay UHF4N belongs to SIGMA-N digital protection line and it performs functions as 3phase overand undervoltage, residual voltage (earth fault), over and...
