The insulation resistance of a cable can be measured by3 2875
Starting times for soft starter & power factor is thier any standard or datas available in manufactures list. Kindly suggest.1027
i want to measure voltage difference between neutral and earth so i just simply use voltmeter. my question is that may i use this measure continuosly.or there are some electricity board restrication on that? or it creat some problem on my measuring device..?
while doing high potential for 11KV 3 core cable how much leakage current will obtain?, what will be acceptance value?1962
Why neutral is used in electrical system?2 1708
How we can measure the thickness of bus bar for a given load ? any farmula Plz elaborate clearly.2 5413
why we don't use air circuit breaker on H T line in place of vacuum circuit breaker ?2 4309
IT IS SAID THAT THE OLTC OPERATION SHOULD NOT BE PERFORMED WHEN THE TRANSFORMER IS GENERATION TRANSFOREMR/STEP UP MODE. WHY IS IT SO?1 2368
Why AC & DC capacitor are use in UPS ??????????????????
in parallel operation of power transformer why the distance between power transformer and capacitor bank feeder is necessary to know
Can we use shunt trip coil instead of trip coil with protection relay for protection?
In a voltage-controlled current source A A current booster is never used B The load is always floated C A stiff current source drives the load D The load current equals Isc
what is mean by transition resistance of transformer?
sir iam from electrical and electronics branch ,can i appear for the hpcl offline requirtment? if yes please mail me on email@example.com
what are the advantages disadvantages of connecting high voltage block( 1:1 transformers) transformers between the turbo generators and busbars.
What is an order of a system.
Hello to all, Please someone can send me HPCL ELECTRICAL Engg. Sample papers to me? Its urjent....my email address is.... firstname.lastname@example.org
11kV capacitor bank of rating 2.4KVAR, is charged with protective relays of only over current & Earth fault &.......without Over Voltage, Under Voltage & Neutral Displacement Relay. Is it advisable??
State any two nuclear power stations in India, with their generating capacity.
What is meant by reactance voltage?
What are marginally stable systems?
A TRANSFORMER 440/400V,DELTA/STAR CONNECTED.THE NEUTRAL CONNECTED WITH GROUND CABLE THAT IS DIRECTLY CONNECTED TO THE PANEL,FROM PANEL IT IS CONNECTED EARTH PIT.IS IT RIGHT? IF IT IS RIGHT LEAKAGE CURRENT AFFECTED.SECONDATY IS PROTECTED WITH EARTH LEAKAGE RELAY.
Tell me in detail about c.t. And p.t. ?