what s d difference between inverter an ups

1 Answers   Jindal,

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What is the basis for framing the rules of block diagram reduction technique?

0 Answers  

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A power transformer 4MVA/11KV/0.415Kv has been out of use in 12years. what maintenance actions/test need to be carried out before energizing.

0 Answers  

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What is the Temperature to be set in Thermostat provided in Marshalling box of the Transformer / Motor.

0 Answers   Kirloskar,

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How do you maintain the earthing resistance?

13 Answers   Birla, Ford, JLL,

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what is meant by distance protection ? how distance protection relay function ?

1 Answers   ABB,

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what is the difference between earthing and unearth

0 Answers   Apple, NTPC,

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we have amp, voltage, kw, length detail then how to calculte copper & alluminium size of conductor of 3-phase induction motor

0 Answers  

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a 230v transformer with step down ratio 19:1.it has 2000turns on primary and rated 25va calculate max primary current no of secondary turns volts/turn

0 Answers  

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Why do we need a separate control desk & PLC control panel in Boiler plant or coal handling plant? Can we provide cost effective Control desk cum PLC panel. Is there is an specific need for control desk.. kindly advice.

0 Answers  

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If MF is 30000, pt ratio is 110 kV/110 v then what is the ct ratio?

2 Answers  

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why induction motor speed is decress with increase in load? how synchronous motor speed is constant?

1 Answers  

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