Answer / mohammed.muqtar

not less than one cable diameter between cables as per NEC 392.11(A)(3) for multi conductor cables in open single layer cables trays.

How to reduce power factor correction capacitors failure in an industrial environment with vsd and computers usage in the system

2 Answers   ABB,

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if there is nutral in phase why we use earthing wire and grounding? even at fault condition the fault current flows to neutral (it is a lower path)

1 Answers  

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why we used servo motor insted of inducation motor?

1 Answers  

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A rotor of an induction machine is delta connected. Now is there any necessacity to short the slip rings?

8 Answers   TCS,

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Which of the following are the important limitations of rod gap surge arresters? 1. They are not capable of selling off power frequency follow up current. 2. After a discharge, the rods are destroyed completely. 3. Performance is affected by climatic conditions. Use the following codes for selecting the correct answer. Codes: (a)1, 2 and 3 (b)1 and 2 (c)2 and 3 (d)1 and 3

1 Answers  

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why the starting current of a motor is high?

3 Answers   ITC Infotech,

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please mention the minimum IR value for different voltage systems

6 Answers  

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how is the leakage current flow only through guard wire (when guard wire is connected in the circuit)????

2 Answers  

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How open delta used for protection?

4 Answers  

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Why rotating machines are not allowed to run near critical speed region?

2 Answers  

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how to test power transformer.YNd11

0 Answers  

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what should be the no load current for 3 phase ac motors ranging from 5 kw to 1000kw?

0 Answers  

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