difference between crane drive and line drive.

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which is dangerous AC or DC? If so why?

4 Answers  

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What is the breakdown voltage?

13 Answers  

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can we use ps class in combination with protection class in differential protection and over current protection.

1 Answers  

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what is the difference b/w circuit breakers and relays?

3 Answers  

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In siemens S7-300 PLC, what is function and function block ? What is the difference between them ? When to use function and when to use function block ?

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Two alternators say 1 & 2 are poised to parallel operation. But at the time of paralleing alternator 2 gets out of the system by tripping Earth fault relay. Please send me reply why this is happening?

2 Answers  

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how can we connect a distance relay to CT core that is for backup protection or metering?

1 Answers  

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what are the condition that makes hooter blow?

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what is DG A,B,C,D check?

1 Answers  

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For an induction motor wat is the loading/unloading cycle duration or interms of L/UL ratio/ percentage?

0 Answers   GEPL,

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What is harmonics and how the 1st,2nd,3rd etc harmonic levels

2 Answers  

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