Answer / anmol

slip ring IM can have speed control through external resistance but squirrel cage IM uses deep bar or double cage rotor for resistive speed control.
SRIM has skewed bars and robust structure for silent operation. SCIM has non skewed bars.

how the capacitance is caluclated if the load is varying to keep the power factor constant(above0.95)

1 Answers  

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what is the meaning of transformer short circuit test?

7 Answers   HZL, L&T,

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i want to measure voltage difference between neutral and earth so i just simply use voltmeter. my question is that may i use this measure continuosly.or there are some electricity board restrication on that? or it creat some problem on my measuring device..?

2 Answers   NEEC,

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what is the series parallel connection of capacitors? and how can we use these application in three phase motors for controlling torque?

0 Answers  

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What is the male and female contactors.where is it's used and what is the deferent betweens

1 Answers   Standard Chartered,

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when ac current flows thru d coil of a contactr,it energizes,magnetic field attracts d contact of the coil...nw wont dt ac current in d contct induce current back on to d coil thru mutual inductance leading to high currnt in d coil

0 Answers  

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what are the advantages disadvantages of connecting high voltage block( 1:1 transformers) transformers between the turbo generators and busbars.

0 Answers   Bajaj,

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What do you mean by distribution transformers?

0 Answers  

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what r the earthing required for commissioning of D.G set?

5 Answers  

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which element is neglected during fault calculation? a)resistance b)inductance c)capacitance d)reactance

4 Answers  

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It is advisable 2 use auto-transformer if transformation ratio is-a)110KV/11KV,b)230kv/110kv,c)110kv/66kv,d) 400kv/230kv

2 Answers  

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what is the reactance,capacitance & impedence electrical armoured & unarmored Cables.

0 Answers  

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