Dear all
I have a question about inrush power transformer waveform. When we connected to the system the new bank power transformer in 220 kV without loas we have the following record in the relay, we can see the frecuency es different in two times. I will thanks your comments.
Dear Engineers
I am looking about the "Selection and ordering data" of the Power Line Carrier Siemens brand equipments (Power Link - Transmission Power, ethernet port, remote management, teleprotection, others). I have two models and I do not know the details. I will thanks your answer...
Dear all
For test system ground of the each power transmission towers all electrically interconnected by means of Ground Wires, is necesary use a high frecuency earth meter ?.
I will thank your comments and brands of equipment if is possible.