Answer / kc ng

Normally for transformer oil temperature >80deg = alarm.
if oil temperature >90deg = tripping of VCB.

How can eliminate noise problem inside temperature controller temp. variation due to contactor chattering problem.

0 Answers  

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what is rotor earth fault protection scheme in hydro generator & what is dc field flashing ?

2 Answers   NHPC,

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IN Electric train which type of motor is used,for what reason they uses?

3 Answers   L&T,

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What is the difference between Earth Fault protection & Neutral Protection

1 Answers  

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is it possible to say motor horsepower number without seeing name plate(when name plate damaged)

3 Answers  

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3 Core x 35 Sqmm Cable (How we measure 35Sqmm)

4 Answers   Alpha Star, Brother,

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how to set time from star to delta starter

2 Answers  

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What is the difference between Earth and Neutral?

2 Answers  

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what is difference between Motorised MCCB & ordinary MCCB?

4 Answers   TCL,

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What is difference b/w fuse and breaker?

3 Answers   Jindal,

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how the high voltages are produced?and what it causes?

4 Answers  

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suri transmission

0 Answers   Bhel,

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