if the syncronous machine run at leading pf and as its field curret increased its armature current decreased is machine operate as generator or motor?

1 Answers  

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WHAT HAPPENING TO TRANSFORMER???? i have the step down transformer rating 230/12v, power rating something.,,, ok. suppose iam giving 12v to secondary side,what will happen on primary side.,,,

6 Answers   Coastal Energen,

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what effect will 10 milliampere current cause to human body ???

1 Answers  

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what is meant by line voltage and phase voltage in a three phase transformer?

2 Answers  

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whats the advantage and disadvantage in TUMETIC mdel transformer

2 Answers   ABB,

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If a fan get trip and run in reverse direction due to system flow. Now in this condition during starting how can a VFD bring this negative speed to zero and later run in forward direction?

2 Answers   Aditya Birla, Siemens,

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What is the difference between Earth Fault protection & Neutral Protection

1 Answers  

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1.why we are using blocks in withoutgaplightning arrester 2.why we ar using bushing in withoutgap lightning arrestor

0 Answers  

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If the field winding of the dc shunt motor is removed then what will happen to the motor ? will it turn or not

2 Answers  

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why lightning arrester and other equipment earthing conneting from same earth bar ?

1 Answers  

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we all know that corona is nothing but ionization of air around the conductor and there by allowing current to pass through ionized air.but we are not getting any short circuit in between the respective phases though the air turned as a conductive media between them??

1 Answers   Siemens,

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What is formula calculation size cable wire ?

0 Answers  

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