how can we calculate that how much capacitor is needed for a system to increase the pf?

5 Answers  

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What is transformer break down voltage.And what is flash oil flash point.

1 Answers   HP,

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Can u explain : what is supply for train (whether a,c or d.c ).I know that supply is 25000v a.c .But there is rumour that supply is D.C. And also explain how lights and fans inside the trains are working ,and what type of motors are used in trains whether D.C motors or induction motors .If d.c motor, how it gets supply.If traction motors are used then what are traction motors and its functions and how it differs from other motors and also explain about locomotive . y d.c series motor in train.train wheels r driven by D.C shunt motor ,at what voltage,and at what speed. please reply..............

0 Answers  

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what is a circuit breaker. Weite the types of circuit breaker.

4 Answers  

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how many types of dc batteries standards are present?

2 Answers  

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At which time Synchronous generator act as a Synchronous Condenser?

4 Answers  

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write a program that prints prime numbers from 1-20 in digonal form

0 Answers  

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what is meant by VFD ?where its useful ?

7 Answers  

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in 1-phase 230v,how in 3-phase 440v. in each phase in between 230v.

0 Answers  

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How much minimum insulation required between 11kv/3.3kv transformer windings?

0 Answers   Descon,

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what is synchronizing panel & its working.

3 Answers  

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What is the basis for selecting Vk/2 or Vk/4 for REF and Differential protection of Transformer and What is the significance of magnetising current

0 Answers   ABB, Jindal,

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