What is the role of the 50 STUB protection at a GIS 400KV substation with SIEMENS protection relays?
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Define resonant peak?
Can anyone tell me what will happen if AC & DC supply get mixed???
Why LED light has advantage of rapid reflection ,although other lights alse reflect.? and this light is considered to be best for transmission usage in case of Free optics
why we are using earth pit in sub stations.?
What will happen to magnitude of voltage of other two phases if one phasw will touch the ground?
3 Answers Construction, NPCIL,
What is the Temperature to be set in Thermostat provided in Marshalling box of the Transformer / Motor.
why the carbon brushes are broken in srim while the motor runningtime
why we earth only one side of a power cable. And which side is advisable to earth.
Why the transmision line are 11,33,63,132kv?
different between horse power and break horse power
why the NGR (neutral grounding resistor) always OFF during DG off?
in HT service 3ph 4 wire service Y-phase voltage shows zero . whether it is meter fault? or what be the reason ? if y-ph voltage zero ,can current is recorded? reasons for failure?
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