Answer Posted / saida

most of loads we have in the global is inductive loads,for
inductive loads the phase difference is present.

How to select a cable size for particular load?

1877

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Q.1:What protection will be used on HT and LT side of 33/0.4 KV, MVA transformer. Indicate capacities of protective device to be used. Q.2:Which types of back-up protections are used in the power transformers? What do you understand by the term over travel in the relay? Q.3:How star and delta connected winding transformer are provided from earth fault

2172

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Why electrical power generation and transmission done in 3 phase system not more than 3 phase ?

3131

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What are Contactors? How they works and what its highest rating?

2212

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How to Decide the Location of Earth pit for Compressor in Oil Depo? and How to measure the resistance of earth pit Pls explain me with the help of Circuit Diagram?

2557

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description with working of all parts of a Diesel generator???????

2545

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If I bring a basic electric meter from the States and hook it up in Costa Rica in a development that has only one transformer for the 50 homes, will it still be accurate regarding the usage of kilowatt hours?

1972

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What are the two basic types of transformers?

1223

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what is x'mer ,isolation x'mer & yltra-isolation x'mer?????

2557

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how can we understand that where we have to use ac or dc coil for solenoid valve and why?what is the different between coil of ac and dc explain please.

2024

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Advantages/Disadvantages of earthing of neutral bus on MSB instead of separate neutral earthing for transformer/DG sets feeding to MSB

2863

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how to discharge 3 phase power factor correction capacitors

2501

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why tertiary winding is used in transformer with diagram?

2294

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what is the difference between single ratio, multiple core and multiple ratio, multiple core ? please explain.

2238

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What is the formula of frequency ?

1512

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