What is the theoretical reason for the size of a zig zag grounding transformer to be 1.732 times less than that of a wye-delta grounding transformer used for the same application?

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which oil is used in transformer?

7 Answers  

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What is potientometer.How it is useful in a sychronoscope.

1 Answers  

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How to do stting of vl250 siemens MCCB

0 Answers   Qatar Steel,

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i am going to correct power factor of 1600kw induction motor,when i calculate capacitance of capacitor it is three time more in star connection than delta. if motor is star connected which connection i shall adopt for capacitors and reason for adopt this connection

0 Answers  

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what is rated current and operating current?

1 Answers  

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How to decrease or increase the range of voltmeter? can an ammeter be used to measure voltage? can a wattmeter used as voltmeter and ammeter?

3 Answers  

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If 3-Ph motor of same rating connected in Delta & Star for same load one by one then which connection take more current in running (not in starting)for full load.(eg 8.5 KW,3-Ph 400 V)

1 Answers   GE,

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what is different between synchronous & asynchronous motors

3 Answers  

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What should be the voltage between neutral and earth of a UPS?

4 Answers  

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can anibody tel me on what basis the transformer vector groups are determined????

1 Answers  

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What is the previous name of Cox's Bazar

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