what is the difference between delta delta and star delta connection transformer? why we use delta delta transformer since it need earthing transformer for grounding?

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how can a transformer test by megger?

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What is acsr cable and where we use it?

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what is different between auto transformer and vriac

4 Answers  

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My self munna.I had completed diploma from mechanical can I join facility and maintanance companys

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What is the rotor frequency of 10 Hp 1440 RPM 50HZ 415V ?

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what will happen when choke in tube light circuit was not working???

7 Answers  

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Do you need any help with FEWA Electrical Supervisor exams?

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Find defination of KVA convert in to KW.

4 Answers   ABB,

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in a dc shunt motor what happens if motor takes high current,no speed

2 Answers  

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what is the terminal voltage of dc series generator running at rated speed at no load?

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can we synchronize star system generators with delta system generators?

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