if a number of plc s are there then how many modbus to be used

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what is 30-phase of transformer

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why neutral is neccessary?

7 Answers  

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How Earthing is prevents shock?Explain

4 Answers  

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explain wiring system

0 Answers  

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What is the one main difference between ups & inverter ? And electrical engineering & electronics engineering ?

0 Answers  

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the winding of Generator and Motor is star or in delta ? and why

0 Answers  

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why CERAMIC material is used in insulators??

1 Answers  

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differance b|w ground, neutral&earth

11 Answers   Bhel, SKH Metals,

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In a HT switchboard where Nos. of Transformers are connected, how to decide Incoming cable size? Whether Cable should be rated for connected load or maximum demand?

1 Answers   Power Grid,

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slipring induction motor starting time Lrs operating why lrs starting time lrs outer body didn't get shock

0 Answers   Ramco,

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Hi, i want to know is meant by power quality? How it can calculated ? How we can improve?

1 Answers  

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