working principal of online ups

0 Answers   Delta Power Systems,

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what is preventive maintenance? and what is predictive maintenance? and what diffrence both?

3 Answers   Volkswagen,

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What is correction factor in Tan delta test?

1 Answers  

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whats is the role of power factor in designing a tariff structure?

1 Answers   IIT,

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the distance from my office to d.g is aprox 400mtrs and voltage drops ibn my office near about 40 volt what should i do p[ls suggest.

6 Answers  

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What is ELCB?

9 Answers   Bhel, CDS, IOCL,

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What will be result if we connect LT votage to the terminal of HT Transformer?

3 Answers   Equate,

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What is the Relation b/w star delta starter , DOL starter and two speed starter. if we want to rotate a 20 kw fan in 2 speeds which type of two speed starter we have 2 use?

1 Answers   ABB,

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Dear All, In a 400V power system, ratio of three current transformers installed incoming switchgear is 4000/1. Maximum three phases short circuit current of this system is 48kA. One CT is installed on neutral of upstream transformer (6/0.42kV, solidly earthed) for 51G protection. Would you please inform me about the correct CT ratio of this current transformer (on neutral)?? Thanks a million

2 Answers  

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what is the formula to calculate the fuel consumption of a diesel generator at different diferent load.

4 Answers   Aegis, Network Clothing Company,

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Is LV shorted in magnettic balance test?If yes why?

2 Answers   Hindalco,

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reason of diode failure in alternator

0 Answers   adag,

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