what is the difference between earthed system and unearthed system.. where do we use unearthed system because in electrical catalogues always cable for earthed and unearthed system is given..pls elaborate

3 Answers  

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what id a dry type transformers and its function ?

0 Answers   Wipro,

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I have 380.KVA Volva Penta DG set. Tell me how to calculate units from KWH reading....

3 Answers  

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explain the types of drives

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What is meant by earthhing of a magnetic flow meter and when to use empty pipe detection?

0 Answers  

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I have calculated load for an office building which is 1200 KW as all the load is single phase therefore its 1200 kw single phase. Now i have to design Transformer and Generator for this load Please kindly give me exact answer that how much capacity of Three Phase Transformer and Three Phase Generator is required for this load.

3 Answers  

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IF % IMPEDANCE OF A TRANSFORMER IS INCREASED FROM 5.8% TO 8% HOW MUCH THE EFFICIENCY OF THE TRANSFORMER WILL COME DOWN?

0 Answers   ABB,

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why two wires are wound alternately to each other in single phase wires?

1 Answers  

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FRIENDS, I am doing DEEE (part time)final year. Give me some ideas for project

5 Answers   HCL,

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What are the main significances of root locus?

0 Answers  

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Give me check-list for electrical preventive maintenance of machine tool.

1 Answers  

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how many single tension hardware are required on a double circuit transmission tower?

0 Answers  

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