How many earthings are provided for a 250KVA distribution
transformer?
Answer Posted / ram
minimum 3 earthing. 1- neutral earthing, 2- body earthing &
3 - common neutral body
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
What is the effect on 3phase induction motor if current setting knob of DOL kept at minimum current?
I have doubt that the supply HZ (very low or high than rated ) may affect the power factor. is it true. ?
What is EMC filter in VVVF Drive ?
how to calculate cable size in diffrent loads?
WHY DO VOLTAGE TRANSFORMERS FAIL DURING EARTH FAULT IN THE DELTA CONNECTED 6.6KV ELECTRICAL SYSTEM
HOW TO CALCULATE HV CABLE SIZING?
What is the meaning of HT Trivector Meter ?
which model T or pie model is prefarable in power syatem
PLZ sent the previous year question paper for GET in NHPC on my EMail id ppshanker@gmail.com
what is earth-fault?when it occurs? to check where it occurs what type of test should we do?
In India the supply voltage is 230 volt A.C. During the negative half cycle phase becomes neutral and neutral become phase? or what will happen during negative half cycle? how the electrons flow during positive and negative half cycle?
Anybody know how schematic diagram for reverse power relay? RPR for generator protection
what is control supply rating of a machine
There are different classes of protections in power plants.class a,b,c are clear..is there any class d and e r there..and elaborate class b protection.
how to know the diffrential relay setting of 06mva step- down (delta-star)transformer?