Answer / k.prakashchandra

It is of no use if the settings of both is the same.The one
nearest to load should have a lower setting.

In dc motor starter there is less voltage required for holding contactor that's may why it is called no volt coil. but in ac starter why holding contactor is called no volt coil.

2 Answers   JSW,

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If the load is 10Kw and power factor has to improve from 0.5 to 0.8,how can we select the capacitor rating accordingly.Illustrate by showing formula?

9 Answers  

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How does the sensitive earth fault protection provided by cbct for motor can help in reducing the size of cable used to supply the motor?

1 Answers  

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what is cathodic protection and why it use in industries?

0 Answers  

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we have require a Motor (1500kW, 6.6kV, 50Hz) which shall operate at 1500rpm during 30min and after it shall run on 500rpm during 15min. The same cycle shall be repetitive during the whole working days. Which method is best and economic to achieve such type of task. VFD, VVFD, Pole changing motor etc.

0 Answers   MTN,

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why pull the single core cable?

1 Answers  

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In transmission line the line power loss only accured at resistance the inductance and capacitance wont consume power is it correct?

2 Answers  

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thermal power station operation in general

11 Answers   AJ Square Inc, Jindal, NTPC,

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1. what is the power factor of a purely inductive load? (i) Zero (ii) Lagging (iii)Leading (iv) Unity 2. which type of transformer connection is preferred in case of power supply transformer? (i) Star/Star (ii) Delta/Delta (iii) Star/Delta (iv) Zig Zag/Star

2 Answers  

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what is the meaning of knee point in current transformer and how to calculate?

2 Answers  

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What is the difference between security constraint unit commitment and security constraint optimal power flow?

0 Answers   College School Exams Tests,

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how to electrically make connection to ferroli GN2N?

0 Answers  

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