Answer / alisansi

In neutral earthing case,Current starting flowing through
neutral of transformer or generator in event due to earth
fault and we use resistor for it(NERs).
In body grounding the body(instrument) make electrical
connection with ground.

How Humming noise generated in starter motor which was used the start the engine in a vehicle/car/Truck?.Moreover Starter motor was operated in DC power supply. Can you guys clarify ?

2 Answers  

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HOW GENERATING END VOLTAGE LEVEL (6.6 KV/ 10.5 KV/ 11 KV/ 13.5 KV) DECIDED IN POWER PLANT. ON WHAT FACTORS THE GENERATING END VOLTAGE DECIDED, & WHAT IS THE CALCULATION USED FOR THIS.

3 Answers   Areva, Cognizant,

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i have 6oo kva dry type transformer and its neutral is not grounded even body of transformer ground i want to know it is safe or not ?

2 Answers  

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What is the difference between earthed and unearthed cable

5 Answers   FT, L&T, Suzlon,

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What is the unit audit? if our Max demand is something and we found much more unit then how to improve our max demand?

0 Answers   SRM,

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Hydro P.P. run @ 600 rpm,8pole, Nucler P.P @ 1500rpm 4 pole , ThermlP.P @ 3000 rpm 2 pole.Why this diffrence??? when we can generate electricity @ 600 rpm then Why we had incresed speed in NPP & TPP???

3 Answers  

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If i=10+10sin314t then find the rms and average value of current with explain?

2 Answers   Heptacare, TCS,

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what principle the cabel TV channels are transmitted? will you be able to check the power at the connector behind your TV with a tester?If yes what is the supply level?

1 Answers  

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What are the complete specifications of a motor?.

2 Answers   RRB,

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In a dc series motor increases in lord current results in

4 Answers  

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Which type of drive is advantageous AC or DC and why?

5 Answers  

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how to calculate the earth mat design in 132 kv substation yard ????

0 Answers   Divis Laboratories, KSEB, SWPL,

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