How Calculet The UPS AH In Load

0 Answers  

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what is the disadvantages of common earthing for AC and DC equipment? (i am talking about inverter control room and inverter duty transformer earthing is common...?)

0 Answers   TATA,

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Is it possible to connect a dYN1 transformer in parallel with a YNd11 transformer.

4 Answers  

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why an ideal voltage source has low internal resistance????

1 Answers  

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fuel-air ratio in a petrol engine fitted with suction carburettor,operating with dirty air filter as compared to clean filter will be

0 Answers   NIC,

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what is kvarh? Please difine it With calculation

3 Answers   GM General Motors,

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200-100/1-1A – Transformer Knee point voltage

1 Answers   AAPT,

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what safety use in electrical panel

3 Answers  

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Why Current Transformers cannot be connected in parallel

10 Answers  

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Explain about Leakage Test.

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when i am going to take trail on a 3ph sq.i/m motor 5.5kw, i observed that RPM of the motor is very low as compared to the rated RPM and also it rotates in clockwise in first ON command,and anticlock wise in second ON command. finally i observed that on phase is no available . but iam not clear about, why the motor is rotates in both directions without any phase interchanging.pls answer to my question.

1 Answers  

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What is the emf equation of a transformer?

0 Answers  

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