Answer / k.prakashchandra

The metal body is used for grounding.I think grounding is
not done to avoid arcing

Answer / prashant sharma

body earthing is done by using an insulator

1) What is difference b/w impedence relay and differential relay? 2) what are substations equipments? 3) what is difference b/w circuit breaker and isolator? 4)what are the types of circuit breakers? 5) which medium is mostlty used in circuit breakers and why it is used?

1 Answers   NTDC,

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why we +ve load distribution in 24v and -ve load distribution in 48volt in the telecom sector.?

2 Answers  

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what is the effect of power factor to (a) voltage (b) transformers (c) generators (d)transmission lines

4 Answers  

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what is the formula for calculating the phase clerance between two phases and phase to earth how to calculate the cable for a motor

0 Answers  

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We have one Energy meter for Measuring the voltage,current,power,energy(KWH,KVARH,KVAH) & power factor.The problem is that the meter does not show whether the PF is lagging or leading.So i want to know that is there any way or calculation to find out that whether the PF sign (lagging or leading) depending upon the above mentioned parameters?

4 Answers  

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Please describe HT and LT?

1 Answers  

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what is the circulate the diesel in DG in side pls tell parts name and picture with circulate the diesel

0 Answers   Mukand,

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why the pressure coil is not present in the three phase wattmeter?

1 Answers  

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How does and Earth Fault Relay operates in DG set control panel?

1 Answers   Cummins, University,

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What is the difference between a Distribution Transformer and a Power Transformer.

4 Answers  

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What are the consequences in using existing step up transformer (primary 6.6kv/175A, secondary 480v/2405A) for step down transformer to have a 6.6kv output?

1 Answers  

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Does dry and oil transformers both require dedicated neutral, because in my project we are using 2500kv dry star delta transformer, where they say neutral not required and even it is not provided in our substation. can u let me know

2 Answers   Voltas,

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