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

Why slip ring ind. motor power consumption is low compare to induction motor .same 90 kw motor used same load output

0 Answers   Altra Power,

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what is the difference between normal motor and flame proof motor??

1 Answers   PI Industries, SRF,

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why the transformer neutral earthing is to be done by copper flat only,if we use GI flat what is the disadvantage.

2 Answers  

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how is the connection of a 3 phase ct trivector meter done on a pole mounted transformer

0 Answers  

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You are given 220 V supply source, four wires, an ammeter and voltmeter. There is no any indication or description on meters. How will you identify which is ammeter or voltmeter?

7 Answers   ABB,

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why any surge protection is not provided to UHV ac transmission line (765kv) ?

1 Answers   NK Power Systems, Reliance,

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why we use isolation transformer?

2 Answers   Godrej,

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Why do series motors have high starting torque?

3 Answers  

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WHAT IS THE TOTAL POWER GENERATION IN CHHATTISGARH?

0 Answers  

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if the length, number of turns and area of coil are doubled then inductance of the coil becomes.?

1 Answers  

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In scott connection why connect teaser transformer to 86.6% and main transformer to 50%..

1 Answers   Silicon,

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can any one help me? 1.what is corona extinction voltage&corona inception volatage 2.what is mean by CFVV?

1 Answers   KSEB,

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