What is a signal flow graph?
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What is phase cross over frequency?
What is the need of black rock stones under the transformer yard?
5 Answers TNEB Tamil Nadu Electricity Board,
I am an electrical contractor in noida, I am registereg in noida vat. i got a contract in Delhi State, my party told me that we shall deduct WCT @4% & reimburse Service tax all in composite scheme. Now Problem is this, 1 Can i able to purchase outside the delhi? 2 Can i produce a c form to our vendors? 3 What is limitation of purchase from outside the Delhi? 4 What % of tax Govt will levied upon me? 5 How can i take credit of tax paid upon purchase made by us. So, like these type questions i have in my mind if any person know the right answer please write to sksproj@gmail.com or contact me on - 8010076534 / 9212758177 / 9718378190. Thanks with Best Regards, S.K.Saxena
working of bucholz relay of a transformer
how we start 40w tube light with 4 diodes,2capacitors,1 choke and without starter.(a product avilable in market which lights burnt tube lights also)
what is the use of vcb & isolator in substation?
what is the different between earth leakage relay and earth fault relay?
We have three phase dg of 12kva rating.If the load of each phase is not constant.That means one phase drowning more load than remaining two phase..Then what will happen to dg?
how to calculate P.F from kva only?
what is diff. between earthing grid,earthing mess, earting grid?
0 Answers Century Rayon, Emco, Tailor Solution,
11 kv metering is done in my factory.Meter show PF 1.000 but kvarh lag&lead show 24&94 respectively & Avg.PF is .956 .? is what i do for inproove my PF to 1.000
We have one 500KVA transformer. We have tested REF relay and commissioned. After one and half year, due to some ground fault in one of the DB circuit Transformer tripped by REF relay. What will be cause and remedy. Please advise?