Answer / p.r.gowri sankar

The "Safety protections of the Transformers" are fallows
1.Neutral Earthing
2.Bucholtz Relay
3.over Current Earth fault Relay
4.Differential Voltage Relay
5.Instantaneous Voltage Relay
6.Earth Leakage Relay

what are the effects on an power plant and consumers if the power factor is increased or decreased?

2 Answers  

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In how we connect watt meter for open & short circuit test of a single phase transformer.

2 Answers   Sail,

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RESPECCTED SIR/MADAM- I AM PRERING FOR SECTION ENGINEER (ELECTRICAL) RRB CHANDIGARH PLEASE SEND ME SOME PREVIOUS YEAR QUESTION PAPER OR MODEL PAPER.MY EXAM IS ON (30- NOVEMBER 2008).I AM VERY THANKFUL TO YOU. FROM- HARENDRA SINGH YADAV

0 Answers  

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can I improve the furnace power factor (10 mva transformer) by adding a capacitor bank before the transformer.Does system power factor vary a lot with the furnace PF?

0 Answers  

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Hoe to calculate body earthing conductor size ?

1 Answers   IES,

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How to select Main CB Rating for 187 KW Load?

6 Answers  

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29 Which of the following breaking method save energy? A regenerative breaking B plugging C dynamic breaking D none of above

1 Answers  

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can we use NPT glands in LT panel

0 Answers  

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Why does amplifier gain reduce?

0 Answers  

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what is current check gurd relay?

0 Answers   MRF,

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What is cable size of motor if starting current is 15.6 Amperes??

0 Answers  

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How the Transformer oil testing is done & Why oil dielectric goes LOW & what is solution for that ??

3 Answers   NTPC,

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