Answer / kc ng

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

what is MCCB?

8 Answers   NTPC,

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what is vA rating and class of a ct.

0 Answers   L&T,

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What are the possible causes if load is not same on all the three phases

4 Answers  

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why is the vector group analysis done in transformer tests

28 Answers   K K Rao, Lloyds, Nicco Engineering Services Limited, Qatar Petroleums,

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WHY TERTIARY OF POWER TRANSFORMERS IS LOADED WITH EQUIPMENTS LIKE CT,PT,ISOLATOR AND CB

0 Answers  

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How do we calculate transformer oil in liter from the rating of the transformer.

0 Answers   BARC,

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2 electric bulbs of 100w,200V are put in series & the combination of each bulb is supplied to 100 V . the power consumption of each bulb will be????????

4 Answers  

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WHAT IS THE FAULT WHEN 100HP TURBINE MOTOR TRIPS, LIST THE FAULTS AND ITS TRABULESHOOTING TIPS.. MY AUTO TARNSFORMER STARTER TRIPS

0 Answers   MPS Techologies,

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in indoor type circuit breakers why only the corner breaker trips specially during cold season. What is the reason.

0 Answers  

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What is the maximum No. of out going mccbs permitted from an LV distribution paqnel? What is the ampere relation between incomer and out going switch gears/mccbs?

0 Answers  

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why should be the frequency is 50 hz only why not others like 45, 95 56 or anything , why should we maintain the frequency constant if so why it is only 50

3 Answers  

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Can we use 11kv Trivector Metre or Energy metre instead 33kv Metre at 33kv Over Head Line metering purpose?

5 Answers   Bhel,

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