what is the principal of ceiling fan and how it will rotates? what is the magnetic momentum produces inside the fan?

1 Answers  

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How we select the cable rating

1 Answers   BTM, Videocon,

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what is the diff. b/w restricted earth fault relay & standby earthfault relay and where they are used?

4 Answers   KSK Energy, Reliance,

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what is difference between neutral and earth

5 Answers   HP,

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63MVA,220KV/6.9KV Transformer LV side neutral is connected to Earth pit through NGR. Whether this earth pit required to connect with near by below grouding earth mat or it is to be kept separate?

0 Answers   GSECL, L&T,

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what is ten delta test? what is the significanse of it

1 Answers  

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how to select the rating of neutral ct with reference to transformer secondary current(in power transformer,stepdown tansformer,for example2000kva,11kv/415volt

2 Answers   ASD Lab,

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Can we use shunt trip coil instead of trip coil with protection relay for protection?

0 Answers  

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Can i connect all earth pits in ring system..., And wat IS 3043 says...please help me

1 Answers  

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How to measure current and voltage in an ELV circuit

0 Answers  

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What is the application of Nitrogen Injection system in Transformer Protection?

1 Answers   HPL,

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Why the efficiency of generator is more than motor in swinburne's test

0 Answers  

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