What is the meter used to check the DG sound level.and pollution check

2 Answers  

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Can the efficiency of transformer be measured with the help of wattmeter readings taken at primary and secondary side? Support the answer.

2 Answers  

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Explain what is rated speed?

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What do you mean by ratio correction factor of instrument transformer?

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could i arrange a faulty and healthey battery bank togather in parallel , if your ans is not then why?

3 Answers  

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i want to know that what is the eligibility critaria for ongc exam?

0 Answers  

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How can calculate ups battery back up time?

25 Answers   Cisco, Cooper, Pronet, Wipro,

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-What shall be short circuit current of LV switchgear for a 1000 kva, 11.415kv, 3 phase tranformer with 5% reactance.

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for a 500 KVA connected load, I calculated 30% of capactor for power correction. Even after using 225 KVR capactor PF is not improving. What could be reason for low Phase correction factor?

0 Answers   Power World,

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what is the principle of vvvf drive motor

3 Answers  

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how can i reduce sparking without stepdowning the voltage

0 Answers  

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WHAT IS THE MEANING OG (li = 7 In)

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