1) name the communication cable and how it is communicate in between plc to modbus , plc with hmi? 2)name of the communication cables?

1 Answers  

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What is installed in PAC that is control the humidity

0 Answers   Sodexo,

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4-Why we measure the insulation resistance of main core and frame in spite of that must be connected with ground before energize the transformer?

3 Answers  

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what is the advantages of Lighting transformer?.. is it possible to reduce the power consumption ?.

6 Answers   Lucas TVS,

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what is the difference between STAR and DELTA connection and application wise how it can be utilizedd ???

1 Answers  

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Can any one give an explanation about rating factors of cable? if we are laying the cable on the air with an temp 15 degree then rating factors will be 1.15 and if we are laying the cable on the air an temp 60 degree then rating factor will be 0.76 please describe it and what is the difference between rating factor and derating factor?

0 Answers  

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synchronous motor of 13.5MW having which type protection? and how to set relay?give me relay setting calculation for different protection for this motor assume efficiency,power factor and other term if neccecery

1 Answers  

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In track electrification Either we use single conductor or double conductor? why?

2 Answers  

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How does a system control centre in a utility plant gets the grid frequency of the electrical network (50 Hz or 60 Hz)by the SCADA system?

1 Answers  

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Why we use stones in switchyard?

3 Answers   Havells, L&T,

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How much maximum power can be transmitted on 66 KV transmission line?

1 Answers   Konark, NDPL, Torrent Power,

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wheather the size of windings in motor and generator are the same

0 Answers  

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