Answer / dr rajan

Moving coil instruments work on magnetic repulsion. Moving
Iron instruments work on repulsion based on charge
polarization.

What is Harmonic affects in power system. what is unit of harmonics and how to measure it. how much value should be in power system.

1 Answers  

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What determines the thermal loading on the motor?

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In winter we seem lightly an electric shock when we touch to doors(sometime)

13 Answers   Infosys, REL,

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

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What is a LBB protection and why it is used?

2 Answers   Gridco,

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does magnetic interlocking take place in an induction motor ?

2 Answers  

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Hello everyone, somebody knows what is a "surplice power" ? The hole phrase is: "This rating is appropriate for a generator set paralleled with an infinite bus e.g. a national electrical supply network or grid where the generator set is run at 100% load, 24 hours a day, 365 days a year and any surplice power is exported into the grid" Thanks in advance.

0 Answers  

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if a.c supply is given to the motor,, what happen?

0 Answers   Bhel, L&T, MSEB,

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how can we select the rating of Load break switch that is connected to the primary protection of 200 kva 11kv/415v distribution transformer?? step by step calculated answr pls...thnk.u

2 Answers   Maruti Suzuki,

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what is the size of ht cable of 33kv ht line and transformers ratings are 1 Mva and 5mva.please send formula also.

0 Answers  

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why ligthing is not available in switch yards?

1 Answers  

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in transformer input is d.c signal which type of emf is induced

1 Answers  

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