Answer Posted / segun
impedance gronding and solid grounding
| Is This Answer Correct ? | 5 Yes | 7 No |
Post New Answer View All Answers
I have 4 busbar of 1000 ampere. we use 4 busbar to make 4000 ampere in one phase.my problem is that when we applied 60% load on that then busbar produced high noise.what is the reason of that and how can i minimize that noise.
how to calculate single phase motor efficiency ?
Why auxiliary transformers are not connected in parallel in primary stations?
How we select the vector group of 3phase power transformer?
Define reserve-generating capacity?
Define ohm’s law for a.c (alternating current)?
Are Refrigerators & Deep Freezers the Inductive load ? How to calculate the Power Factor & hence the Output Power for them ?
63MVA,220KV/6.9KV Transformer LV side neutral is connected to Earth pit through NGR. Whether this earth pit required to connect with near by below grouding earth mat or it is to be kept separate?
What is step signal?
if field breaker of generator is closed prior to its rated speed on a power generating unit. what will be the effect on generator, unit transformer and starting transformer.
which is chemical used as in ro water what is difference betweeen multi grade filter&dual media filter
what is the transmission loss for electrical supply? specifically a large shopping complex where the grid is half KM away, what will the % of transmission loss? is there any transmission loss for captive unit generation for above set? thanks
At the starting of dc motor and syn.motor and induction motor high current flowing through the winding. Due to this the windings burnt out. To avoid this different types of starters are used. But incase of transformer what Will be used (At starting no emf is induced in the primary winding)?
how to minimize earth resistance upto 2Ω, if the resistance is 6 Ω ?
what questions will be asked for 11/33KV licence interview APSEB hyderabad. Can any one share question and answers.