Answer / k.prakashchandra

1/Cw=XL V^2/XL=VAR

why are we using resistor in NGR ?

1 Answers  

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what will be the effect on the voltage .if power frequency is increasing or decreasing.

2 Answers  

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what will happen when the dc supply is given to the capacitor?

0 Answers  

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what happen if ac supply is fed to rotor of the alternator

2 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 high pot test on 11kv switchgear and how to apply high voltage on panel what is spheare gap and how to determine its celeberation.

1 Answers  

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i have applied for the post of RRB section engineering chennai board please send me previou papers and solved answer. my mail id jagarapusrinivas@gmail.com

0 Answers   RRB,

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what is the use of CurrentTransformer in AVR ?

2 Answers  

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what sis the testing procedure of transformer and ht panel?

1 Answers  

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what is work of CTPT in 33/11kv Substation

1 Answers   Fiat,

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why neutral grounding transformer is used for generator and why it is not used for transformers?

2 Answers   UPCL,

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What is systematic error?

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