how to check the earth resistance value& what is the
minimum earth resistance for good earthing sysytem.
Answer Posted / ramniveth
as per the IEEE standards it should be less than 1 Ohms
Is This Answer Correct ? | 186 Yes | 37 No |
Post New Answer View All Answers
state the working of discharge lamp?
What is kvar?
What is George phenomena to start the synchronus machine?
What is the function of Governor in Hydro Power Station? What is the Function of Lightning Arrestor Voltage Transformer (LAVT)?
Compare salient pole and cylindrical rotor machines.
WHAT IS SUBSTATION & ACCORDING TO VOLTAGE HT,EHT SUBSTATION EXPLAIN IT
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?
Is the theorem applicable to ac sources?
Why synchorised generators are used for the production of electricity?
What is negative sequence over voltage element?
What is the formula for calculating impedance of transformers connected parallel at fault level 50KA?
How many energy meters can be connected on a 15VA Voltage transformer. please send a calculation sheet.
main difference between ac and dc?
how can i apilly for electrical c licencese.sir,i completed B.Tech in electrical & electronics engineering in 201onot working any company
what are the effects when a salient pole alternator is run at high speed like 3000 r.p.m?