What is Percentage impedence of a transformer? why it is expressed at a percentage? what is the importance of percentage impedence in case of a transformer?

0 Answers   Haldia,

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The mechanical angle is electrical angle A always less than B greater than or equal to C equal to D less than or eaual to

1 Answers  

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why does same amount of current flow in the circuit inspite of any number of resistances in the circuit?

3 Answers  

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what is the Knee point Voltage?

3 Answers   AAPT,

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why ac generator ratings in kva only why not kw ????????????? ?

7 Answers  

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what is joule?

2 Answers  

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whata is battery charger ?how many cells connected for 110v?

1 Answers   Essar,

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what is shunt trip coil? what was the function in rmu?

1 Answers  

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For an induction motor wat is the loading/unloading cycle duration or interms of L/UL ratio/ percentage?

0 Answers   GEPL,

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what is allowed value of zero sequence impedancce of 6.6 kv nuetral earthing transformer ?what is the actual value

0 Answers  

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what is cogging and crawling

0 Answers   Suzlon,

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at which voltage level arcing ground is occurs ??????????

0 Answers   TATA,

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