when meggering a 3ph,480v oil reservoir heater on a regen gas compressor, why do I get a reading to ground when meggering phase to ground? shouldn't it read opened or is there something that makes it read closed? on the same heater, when ohming, it reads open. thanx

1 Answers  

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What is contract demand in solar system?

0 Answers  

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how we can adjust for three phase motor cold stall time ,hot stall time and thermal register set up?

0 Answers   OPS,

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What is electrical energy ,power?

2 Answers   ABB,

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In view of Electrical Engg. What is the use of SCR(Silicon control rectifier)

11 Answers  

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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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How can determine cable size with respect to cable length and area in mm2

1 Answers  

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is the value of inductance depends upon the value of thitha in doubly excited machine??

0 Answers  

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why do we prefer a 3-phase delta connected load rather than star connected?

4 Answers  

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What is the starting current of a motor?

3 Answers  

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If We are converting the SINGLE PHASE AC into THREE PHASE AC by using STATIC CONVERTERS , then How do we bring the frequency to 50 hz??

2 Answers  

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when will cause the negative sequence falut in electrical system?

2 Answers   Schneider,

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