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?

0 Answers  

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How to design the blower for motor? how to two blowers connected in motor?

1 Answers   Ashok Leyland, TATA,

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A 6.6 KV/ 440V Xformer. what are the imporatant parts & equipment required for it's protection panel.

0 Answers   APTransco,

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why we use to transmit the power in three phases intead of single phase ?

5 Answers  

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what happens if we earth negative electrode of an rectifier transformer used in ESP. In which normaly positive is earthd from inside the xmer.

1 Answers  

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what is VFD and where is use of it

5 Answers  

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Is your generator is automated or manual if so do you know the circuits?

7 Answers   RRB,

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what is battery impedance testing and how we perform this test with four wires.

1 Answers   Etimaad, MRF,

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Mention the value of earth resistance and factors on which it depends on.

1 Answers  

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active elements are those which are capable of

2 Answers  

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in india,we use 230V,50 Hz,whereas many other countries use 110V,60Hz.what r d advs and disadvantages of each of them?

11 Answers  

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What is mean by making & breaking capacity of circuit breakers?

3 Answers  

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