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.

Describe the colour rendering properties of i) tungsten filament lamps ii) tubular fluorescent lamp

0 Answers  

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why wound rotor is star-connected?

4 Answers  

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why in india the voltage generate multiply by 11,,,like 220v,440v,11kv,33kv,66kv,220kv,

3 Answers   NTPC, Servotech, Tata Power,

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What is C2-M2-E2 class in circuit breaker. why and where it is to be used in circuit breaker

1 Answers  

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how do i calc busbar size for a rated current?

1 Answers  

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how to calculate the cable size depending on the transformer rating

2 Answers  

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What is the RMS and DFT principle of analogue maesurments. Which way they are advangages. where which princples give optimum results.

0 Answers   ABB,

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How to calcualte the total number of cells required for particular UPS of some X KVA with 3 and 5 hours back-up?

1 Answers   JLL,

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if AVR fails in alternator. what will be the effect.

13 Answers   HP,

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Why we are using air gap magnetic condutors

2 Answers   Ford, IOCL,

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WHAT is the no of starts/hr for 3.3 KV, 300 KW motor. Motor is vertical flange type.

1 Answers   DAE, Siemens,

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What is the calculation for 1000Amps Air circuit breaker relay settings.

1 Answers  

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