Answer / gopal

A motor designed for line frequencies doesn't have the
inductance to limit current at 25 Hz. And the coupling to
the rotor is inefficient. Driven to provide reasonable
torque it will heat badly.

Name two types of electrical analogous for mechanical system.

0 Answers  

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Why we use duplex coil and hook switch in telephone system?

0 Answers  

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The error in a single phase energy meter where pressure coil lags behind applied voltage by 88 degrees and pf is 1) upf 2).5lag

1 Answers   GATE,

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how to calculate the cable size depending on the amps?

1 Answers   Polycab,

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i have a Connected Load of 280KW and Maximum Demand of 224KW to one of SMDB under design with me. which criteria should i consider to design panel and main cables connected Load or Maximum Demand 1)Breaker rating 2)Panel Busbar rating 2)Incommer cable sizing (ignore Voltage drop)

1 Answers  

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How to select the proper VSD to operate high inertial load

0 Answers  

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what is form factor

2 Answers  

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On what basis do you decide the ONAN (Oil Natural air natural) or Dry type transformer for a project?

0 Answers   Semac,

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Does outdoor isolator loose connection cause short circuit current in that circuit? if yes then how ??

0 Answers  

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why substation ratings are multiple of 11 means 11\33 kv substation

6 Answers  

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A generating system will have a total capacity of 300 MW. Find the probable forced outage when the capacity is supplied by two 150 MW units. The operating probability of all units is P=0.98 and forced outage probability rate Q =0.02 .

0 Answers   BUET, VECL,

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wat is the difference between real power and reactive power..which is useful..?and how it s useful..wat is the effect of these on a power system...

10 Answers   ABB,

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