What are the types of AMF(auto main failure) panel.

1 Answers  

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What are the tests to be done on circuit breaker?

1 Answers  

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What are the main parts of central chiller plant? Explain the function of each stage.

0 Answers   HSL, Shankar Electricals,

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what is the difference between "ampere trip and ampere frame"

1 Answers  

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where any change in supply line due to the incipient faults in three phase induction motor

2 Answers   ABB,

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we can stepdown the voltage from 230/12v ,and we use the voltage for various electronics components why can't we step up the voltage from 12/230v if we can shall we use the voltage for domestic single phase supply

5 Answers   Areva,

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why the Parameters : Base Voltage & Maximum Voltage can't be equal in value in a VFD (Variable Frequency Drive) ? How much the base voltage would be lower than the maximum voltage ? If 400 V is the 3 phase output of a VFD ... then what should be the base voltage ? thanks a lot

1 Answers   Yaskawa,

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Why are iron cores in transformers made laminated?

0 Answers  

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why AC voltage source are generate as 50 Hz ?

4 Answers  

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Discuss the effect of sudden loading of an induction motor

0 Answers  

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what is meant by dielectric breakdown ? where we using HV test kit & what purpose?

3 Answers   ITC Infotech,

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in a three pin socket y the pin of earthng is longer n bigger...?

3 Answers  

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