Why transformer rating in KVA? describe.

5 Answers  

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How the value of KVAR of capacitor bank used in switchgears calculated??

2 Answers  

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Where all & Why resistance grounding is required?

1 Answers  

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Mention how NPN and PNP transistor works?

0 Answers  

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Why machine give shock

3 Answers   Akij, Bhel,

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Sir, I need a power supply at 380V. The supply I get in three phase is rated 415V. The total supply I have from the supply company is 70KW. Kindly inform if it is better to use a voltage stabiliser for this purpose or a transformer

3 Answers  

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A group of machines (wind turbines) connected with 33KV feeder and each machines are having individual VCB. The 33KV feeder connected with 110KV/33KV substation. The 33KV feeder tripped by over current at Substation and fault recorded at Substation as OC-R&Y phase. Same time the group of machines VCB tripped by over voltage, the fault recorded voltage was above 66KV by numerical Under/Over voltage relay. While grid drop time, this much of voltage hike is possible?

1 Answers  

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1.differance between onload ups and off line ups.

1 Answers   CTS,

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what is the chemical reaction of solt and charcoal in earthing?

1 Answers   Shyam Group,

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why names such like dog ,rabbit, osprey,ant are used for conductors.

1 Answers  

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Why a Permanent Magnet Generator has higher frequency as compared to frequency of main alternator?

0 Answers  

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why we use end termination xlpe cable on ht kit

1 Answers   Al Bario,

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