Which system is best for industries 3ph 3w or 3ph 4w?

3 Answers  

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star delta starter single line digram

1 Answers  

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What are unstable systems?

0 Answers  

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what's burden resistor, why it's used?

1 Answers   Bhel, TVS Group,

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VCB in closed position during opertion if vaccume break then what will happend? it has any protection ?

1 Answers  

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Can earth resistance be measured without connecting the earth electrode? and should earthing connections be disconnected What is the effect of connecting two cables of different sizes in parallel with supply? Thanks in Advance. I am intrested to get in touch with some tecnocrats/engineers,my mail i.d is : hiremathvijay@rediffmail.com

1 Answers  

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explain the Trip supervision circuit

0 Answers   NCC,

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please give me all the Alarm .Trip ,Safety Relays & Conditions of Chiller mail me on ashokbabunhce@gmail.com

0 Answers  

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why we are grounding the neutral?

1 Answers   GE,

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What is difference between safe PLC and normal PLC

0 Answers  

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diffrence between windings of high tension side and low tension side of transformer

1 Answers  

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What is the RMS and DFT principle of analogue maesurments. Which way they are advangages. where which princples give optimum results.

0 Answers   ABB,

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