why phase to phase voltage is 400v while phase to neutral is 220v?

1 Answers  

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How feedback transformer works to feedback power in Slip Power Recovery System

2 Answers  

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what is meant by switch fuse unit ?

3 Answers   Thermal Powertech Corporation India Ltd TPCIL,

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comparision between ACB and VCB

1 Answers  

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Why more than 2.5 MVA distribution transformers (secondary is 440V)are not used in india.

1 Answers  

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In a house wiring why we are using only one neutral wire and so many phase wires from the main board, when the load is common for both wires?

3 Answers  

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What is the basis for selecting Vk/2 or Vk/4 for REF and Differential protection of Transformer and What is the significance of magnetising current

0 Answers   ABB, Jindal,

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why we use DO Fuse in H.T. Line ? What is the purpose of DO Fuse

4 Answers  

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what are the insulation properties.

2 Answers   Cable Wireless, MAHINDRA,

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Any body can help me in getting LT panel test procedure.

0 Answers   TATA,

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while calculating the power absorbed by a resistor connected to the output of a half wave rectifier circuit should we use rms or average current? explain with reason.

1 Answers   Vedanta,

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what do you mean by cl PS CTs? What are technical details required for it's manufacturing?

1 Answers  

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