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1.What is the proper definition of power system stability? 2.some times a blue spark is visible in the secondary side of a distribution transformer at the contact position of bushings and fuse wire,why?

1 Answers  

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what is the difference betn earthed and unearthed cables which is commanly used why?

2 Answers   Bhel, Power Grid,

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List the advantages of star-delta starter with induction motor?

0 Answers  

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Megger type of instrument is used to check??

8 Answers  

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Why corona takes place?

4 Answers   L&T,

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can we use ZNyn11 transformer instead of Dyn11 transformer in distribution for effectively eliminating harmonics from the industrial loads.

0 Answers   DEWA,

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What is GIS (Gas Insulated Switchgear)

3 Answers   Power Grid,

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how to check three phase motor torque value?

0 Answers   Apollo,

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Please tell me what is the difference between online UPS & OFF line UPS?

2 Answers   HAL,

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what is the earth resistance

4 Answers   Micron Electricals,

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8. A DYNAMOMETER TYPE WATTMETER RESPONDS TO THE.......

1 Answers   SSC,

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difference between converter and invertor

2 Answers  

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