what is the difference between Earth and neutral? and what is the difference between ground earthing and neutral earthing?
2 4988Hi All, I am working as a Technical executive in a MNC company and we have 1500KVA & 1250KVA T/F in our site, can you help me that how many maintenance tests can be conducted and what are the procedures included for the tests can you share yours answers and also give any web address to get more information on this
5 8248How many types of relay are present in a VCB and ACB, what are the tests we can conduct on both breakers and how to set the relays values
2 45740what will happen if one of the phases from a 3-phase motor is disconnected?? stop/run at 2/3rd speed or run at same speed????
3 6301in battery charging room we find two fuses (one in positive other in negative cables ).why it is so?one fuse is ore than sufficient?
1792Post New Electrical Engineering Questions
how is capacitor bank look like
What is the function of probe in cro?
Whether should be the oil level in OCTC transfomer? It should be upto winding immersed completely or should be upto tap changer s/w? How it will affect the performance of the transformer. Rating may be 33KVA
How can we increase fuel-power ratio of any DG set?
the winding of Generator and Motor is star or in delta ? and why
List the power rating of any 5 important electrical appliances used in houses.
What will be the size of copper cable (each for 3 phase and 1 neutral) from Service connection Kit-Kat to Panel Board (i.e. to main switch) for a 6 pole 3-phase AC induction motor of 200 H.P. capacity? Amp-255 A, Frequency:- 1450 rpm.
What should be the amps for a MV fuses for transformer 630kVA 20(10)/0.4 kV
How may I get the maximum current capacity for a particullar size Alluminum or Copper cable if there is compulsion to use?
What is meant by system?
why electronic instruments is more favorable than electrical?
What is the effect on in Zone and out zone fault if Phase side CT is Vk/2<30 mA and Neutral side is CT is Vk/4<30 mA for Transformer REF protection
ow can i get certificate of competency as electrical supervisor and my diploma in electrical engineering from jalgaon.
Either the Armoured Earthing strip of HT 3 core cable have to pass through CB CT or not , why ???
How to synchoronize the generator (with gcb,GT) to grid????? ????? from Grid iam getting power (rated 400kv/20kv) through GT and its goes to UAT.,,ST.,, now my generator(rated 20kv ) ready.,, now iam closing my GCB.,, in GT iam suddenly giving 20kv on that Gt.,, what will happend