Answer / karthik ccel

The PS class is protection class CT. This PS class C.T is
mostly used for the differential protection for
transformers,motors etc...

Answer / hemang

It is a protection class.

Answer / prakash gokhale

CL5P 10

Please give the formula for converting from 1 tr refrigeration to kw.

2 Answers   Bugema University,

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state application of relay in transmission line?

4 Answers  

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what is difference between power transformer and distribution transformers

1 Answers  

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The advantage of free wheeling diode in a Full Ware rectifier is -reduces the harmonics -Supplies the voltage at negative vlotage

4 Answers   GNFC,

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Differentiate between induced emf and self inductance?

0 Answers  

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if single phase is having 220v supply then why three phase is having 440v instead of 660v?

4 Answers   C&S, NTPC,

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Since phi is the angular displacement between V & I, then why we use phi in power triangle ie. when showing active, reactive & apperent power in triangular manner & if it is ok then where is V & I in the triangle.

1 Answers  

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internally connection of photvoltic module

0 Answers  

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dear all, How do i increase UPS (1000VA)backup time ? i have connected 2 12v wold you please 120 aH battery externally. ups charge the lead acid battery only 12.7 volt. backup time only 10.00 minuts and gose off. can any one of you help me?

1 Answers   Technomax, ups,

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What is the difference between ELCB and RCCB. Please define the working of both.

6 Answers  

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why we use 20 KV, 10KA LA on 22 KV Line

2 Answers  

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how we could know that generator running anti clockwise with seeing the rotating direction of prime mover or engine

1 Answers  

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