Answer / skc

A large capacitor is switching ON and OFF will change the pf with a large factor of variation. but in the case of small capacitors accuracy can be maintained by ON and OFF of many capacitors.

what is principle of DC machines?

5 Answers   APTransco, NTPC, Wipro,

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in traction which type of supply are used

15 Answers   APGenco, Construction,

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slor cell made?

1 Answers  

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how to calculate the lightning arrester conductor @ no of earth pits required

0 Answers  

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What is transient response?

0 Answers  

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Electrical breakdown strength of an insulating material depends on............?why because?

2 Answers  

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A circuit breaker on detecting fault will a. Open b. Close c. Open and trigger the alarm

2 Answers  

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what is the difference between Current transformer & Capacitive voltage transformer

2 Answers   ABB,

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Saving in copper achieved by converting a 2 winding transformer in to an auto transformer is determined by A voltage transformation ratio B load on secondary C quality of core material D size of transformer core

0 Answers  

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what is safety measures of alternator.

10 Answers   HP, MNC,

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in one substation we have two power transformers of 100mva,75mva capacity.statoin load is155mva.how much each tranformers share the load????

6 Answers   TNEB Tamil Nadu Electricity Board,

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what is the function of generator exciter

11 Answers   NTPC,

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