Answer / meenakshi

high , medium and low voltage switchgears as far as i know

Answer / santosh kumar

I think types of switchgears should be define as per two
things.1st Useing of di-electic i.e Air,Vacume,Oil etc.
2nd operational i.e Tharmal, magnatic etc.

Answer / @a.mustaq ahamed

switch gears

Answer / izhar hmed

Switch gears are classified according to the media used foe arc quenching ,so according to the media Air,Gas(sf6 etc),Oil and Vacuum .

Is it possible we are step down 11 kv to 230v ?

2 Answers   Fedco,

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Why the power generated in dams is complex power? Why the generators in dams cannot produce Real power directly (i.e power which has zero reactive part)?

0 Answers  

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IN SOME CASE, WHEN I GIVE 24VOLTS DC AS INPUT, WHILE IN OUTPUT (THAT MEANS TERMINAL SIDE OF THE INSRUMENTS) I,M RECEIVING ONLY 6 VOLTS, WHAT IS THE REASON FOR THAT MUCH VOLTAGE DROP?

3 Answers  

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what is value of Jin transformer

0 Answers  

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how to detect the presence of underground cable(while digging road)etc. -give the name of instrument

7 Answers   NTPC,

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Can step down transformer works as step up one???

2 Answers  

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how can we calculate the reactence of the current transformers?

0 Answers  

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Why in medium voltage system(3.3kv to 33kv, neutral is earthed with either resistance, reactance or neutral grounding resistance?

4 Answers   Essar,

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does the Trivector Meter of three phase automatically takes care of the low power factor and gives the reading accordigly or it does not take care of the Power factor while giving the readings please explain

0 Answers  

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What will be the size of copper cable (each for 3 phase and 1 neutral) from Service connection Kit-Kat to Panel Board (i.e. to main switch) for a 6 pole 3-phase AC induction motor of 200 H.P. capacity? Amp-255 A, Frequency:- 1450 rpm.

0 Answers  

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why should a transformer be never connected to dc supply

5 Answers  

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why compound generator is used in generating station?

2 Answers  

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