Sir, I need a power supply at 380V. The supply I get in three phase is rated 415V. The total supply I have from the supply company is 70KW. Kindly inform if it is better to use a voltage stabiliser for this purpose or a transformer

3 Answers  

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Why only plate(copper) Earth pit given for neutral earthing? why not pipe(G.I) Earth pit?

1 Answers  

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long form of CT

3 Answers   MSETCL Maharashtra State Electricity Transmission Co Ltd,

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A genarator is connected through a 20MVA ,13.8/138 KV stepdown transformer to a transmission line. at the reciving end of the line a load is supplied through a step down transformer of 10MVA,138/69 KV rating .A 0.72 PU load evaluated on load side transformer ratings as base values ,is supplied from the above system for system base values of 10 MVA and 69 KV in load circuit the value of the load in generator circuit will be ...........

1 Answers  

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What is mean by sink and source in term of PLC and drives,where and how they used in logic

2 Answers  

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What is working Priniciple of TVSS ????

1 Answers   Emerson,

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What will happen to the protection and metering, if the polarity of a single or two PT/PTs in three phase system is reversed? Please provide reference if any.

0 Answers   Mind Tree,

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Give a brief idea about Control circuit wiring in Substation...???

2 Answers   KSEB,

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Short circuit test of induction motor is carried out to compute= A stator resistance B rotor resistance C magnetizing reactance D stator reactance

2 Answers  

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What is converter transformer? Diff b/w converter transformer and distribution transformer? why we use converter transformer in place of giving supply to drives?

1 Answers  

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What are the difference between these terms ? e.m.f, voltage, potential, potential difference, current etc? what are the difference between these terms ? (electromotive force) e.m.f, voltage, potential, potential difference, reference potential, reference potential difference, current. How can i explain and describe these all terms in single line each and little more explaination too thanks

2 Answers   Siemens,

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pls someone send me sample question papers along with the key.thanks in advance

0 Answers   HPCL,

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