Answer / k.prakashchandra

Midpoint is taken as +/ - 0 potential . It is usually earthed through a high resistance . It can be used for DC earth fault indicator and to check the presence of any polarity

star delta connection used in reduce the starting current at 3 times . how its reduce the current please explian .

7 Answers   HP,

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How does a battary stores charge in it? please explain in simple manner and in detail.thanks

0 Answers  

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WHAT IS THE REASON FOR LOW VOLTAGE IN HOUSES?*

1 Answers  

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WHAT IS THE COMPLETE DEFINATION OF POWER FACTOR?HOW IT CAN BE IMPROVED?AND WHAT IS CAPACITIVE LOD AND INDUCTIVE LOADS

2 Answers  

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Difference between induction motor and synchronous motor? i Think Synchronous motors operate at synchronous speed (RPM=120f/p) while induction motors operate at less than synchronous speed (RPM=120f/p – slip). Slip is nearly zero at zero load torque and increases as load torque increases am a right pls guide & send Other Comments

5 Answers   Jindal,

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How we can differniate the overhead lines feeded by hydro power stations & thermal power stations

1 Answers  

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What are motor generator sets and explain the different ways the motor generator set can be used ?

0 Answers  

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What is the method for testing the differential protection stabilty in generator? When the time of starting What will happen if differentail protection connection wrong means?

0 Answers   JSW,

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could any one explain me what power factor and where it is use ful

3 Answers  

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when we connect the capacitor bank in series

2 Answers  

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What is PF? Formula for calculating PF in HT side?

10 Answers   HSL,

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What is meant by vector group

0 Answers   GPSC Gujarat Public Service Commission, VA Tech Wabag,

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