why conductors of low tensile strength 1)produce greater sag and 2)can not be used for larger spans

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What will happen if the d.c. Machine is operated below rated speed?

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what is phase shifting transformer.

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what is cathodic protection and why it use in industries?

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Why does increasing the magnetic flux in the main field of a d.c motor cause the armature current to reduce??

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How much allowable difference current between on three phases Dear sir, We have a 1870 KW HT motor, 11 Kv supply,FLA-120A,2870 rpm,2-pole squirrel cage induction Motor.And stator is connected in star connection with Liquid resistance stater to limit the starting current.It has coupled with Centrifugal air compressor.My question is it is loading 73% of FLA taking R-phase 86.7 A, Y-phase-85.4A,B-phase- 78.3A.why the B phase current is that much of difference.Is it allowable, or any one tell me how much allowable current.If any method to calculate.

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how to reduce the power consumption in office ?

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Which one hurts more AC or DC Current ?

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What is warm / cold start of HT motors. How many warm start & cold start are possible in a day?

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Transmission line design. Say, I have a 1MVA generator and 2 transformers that will have the same load. What would be the proper rating of the trasformers? Is it safe to say, that I will simply divide the total rating of the generator?

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Which motor connection is preferable star-delta or delta-star?

0 Answers   IOCL,

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In a simple spur gear train, gears with 24, 48, 32, 72 and 96 teeth are in sequence. The gear with 24 teeth runs at 900 rpm. The speed in rpm of gear with 72 teeth is

1 Answers   Caterpillar,

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