What is an Antipumping relay ?

4 Answers  

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what you mean ct ratio? why use 400/5a,200/5a,150/5a ?

1 Answers  

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If we need 4c× 50mm sq cable but it's not available so we can pull 4c×25mm sq two cables?

0 Answers  

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Why R ph of Hv and Lv is shorted or joined together while taking vector group?

1 Answers   IOCL,

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Define open loop control system.

0 Answers  

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Battery is a voltage source? give one example of current source and why?

0 Answers   Suzlon,

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why the Parameters : Base Voltage & Maximum Voltage can't be equal in value in a VFD (Variable Frequency Drive) ? How much the base voltage would be lower than the maximum voltage ? If 400 V is the 3 phase output of a VFD ... then what should be the base voltage ? thanks a lot

1 Answers   Yaskawa,

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what are the maximum available current, voltage ratings and switching speeds of the power electronic devices thyristor, power mosfet, igbt, and mct?

0 Answers  

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what is auto transformer?

4 Answers  

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can u give me a brief idea about power line carrier communication ??

0 Answers  

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What is minimum permicible value of leackage current for LT Panle when applying voltage up to 3 KV for 5 Minuits?

0 Answers   BFL,

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what is value of Jin transformer

0 Answers  

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