What is various types of electrical formula?

1 Answers  

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why overload relay is not tripped at time of starting of motor allthough staring current is too high?

5 Answers   TATA,

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Wht is the meaning of floating neutral

9 Answers   Cipla,

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. How to calculate the Short Circuit Impedance in Transformer? How to calculate the Short Circuit Impedance in Transformer?

0 Answers  

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why we are using DC supply in megger?

3 Answers   TATA,

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How servo stabilizer works.

0 Answers  

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What is the size of a 60 watt and 80 watt tubelight?

0 Answers  

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In three pin plug 6 amp. 220V ac rating. Why earth pin diameter is higher than other two pin? What its purpose ?

0 Answers  

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where solid grounding and where grounding through ngr done and why?

0 Answers   NTPC,

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why voltage coil in wattmeter called as pressure coil why the pressure term is used in wattmeter?

1 Answers   NPCIL,

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Why NGR is required for 11Kv geneartor in power plant

2 Answers   AB Inc, ABB,

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We have three 33kv substations. All of them energised by same source.When i am checking the phase sequence between one substation to other substation (like R Phase to R Phase) by multimeter i am getting some voltage.Near to LT panels UPS panels are there. Can u explain whether any possible to happen like that. In Phase SEquencemeter is showing correctly in both substations. How is it happen. Explain me.Explain me communication signal will produce Phase difference on this case.

3 Answers  

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