Why do we apply both Differential and REF (HV and LV) protection schemes on YNyn configuration of a transformer?

0 Answers   WCC,

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What is the formula to find out cross sectional area of cable for certain current rating?

1 Answers   MRF,

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why rating of generator is kva but motor is kw ?

4 Answers  

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why transformer tank is in rectangular shape what happen when it is in step shape

0 Answers  

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what is surge impedence loading

2 Answers   NHPC,

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Why induction motor is widely used in industry

0 Answers   BARC, Honda,

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What is the better way of passing 400 amp from sending end to receiving end ? By overhead line or underground cable and why ? if underground cable then how much depth require ?

1 Answers   Aditya Birla, HCL,

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when we have to use UPF wattmeter and LPF wattmeter? what is the difference between UPF and LPF wattmeter in terms of construction?

4 Answers  

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How to calculate the breaker's short circuit current?

1 Answers  

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For maintenance Department What type documention requir for ISo & TS audit

1 Answers   Megatron Solutions, Sams,

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What is the main purpose of relay?

1 Answers  

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what is the difference between DOL starter&star-delta starter& automatic star-delta starter

2 Answers   Dalkia, GSK,

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