Answer Posted / rvg

Buchols relay is to protect the winding from over heat, and
the circuit will be tripped off as soon as the coil attains
a pre determined temp.
Conservator is to store additional cooling oil, and same
oil can be make use later also.
Breather is to absorbe moisture contents from air which
sucks in while the oil get expanded.

can i use the six sigma method which is used in management area, in state estimation of power systems?

1848

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why Lightning arrestor are made by 2 seperate stack of inslutor but why cvt are in single stack of insulator.

1960

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What should be the protection scheme for a 15kw, 3-phase motor working in a lathe machine.

2048

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What is meant by Im=30mA@Vk/2. How to know the kee point voltage for CT design

3435

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What do you understand by external characteristics of a d.c. Generator?

1084

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what is the preventive maintence for ht panels and busbars and vcb abd acb's.

2347

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what percent do you derate your copper wire when you change from copper buss to copper wire

1971

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r we are using in gas turbine mark (5) frame (6) (made in india Bhel 1997) Ā

1702

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Zone of protection and tripping scheme of arc protection relay.

1860

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For RCD (Residual current device) Icu is defined. How i can find Ics for them?

2044

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is that a problem if i connect a single phase load to a secondry delta connected transformer but i get a neutral from other transformer i the system?

1834

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I have experienced electrical maintenance HT ,but I completed be ECE ....can I apply c license or not ???? Pls help me friend s...

1555

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Why synchronous motor is used in power factor improvement,dc series in lift

1646

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What the difference between three phase contactor (coil 110vac) & three phase SSR (control voltage 110Vac)? May I use contactor in place of SSR?

2146

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What happens if we give the supply to the rotor of induction motor and make its terminal shorted?

4036

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