Answer / guest

frequency is depends upon the requirement, we can vary the
frequency of the supply in the generator by increasing the
rpm , frequency 50 hz is better because many of the losses
in the transmission and distribution is also depends on the
frequency

what is the reason for earthing static equipments? why?

3 Answers  

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what is meant by substation?

5 Answers  

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If current and resistance in a circuit is increased by 20%, what will happen to its voltage drop??

4 Answers  

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ASTM D 3455 - Standard Test Methods for Compatibility of Construction Material with Electrical Insulating Oil of Petroleum Origin has been used for Testing Transformer Oils with a product placed in it. Aged Control Oil has a Power Factor of 0.032% at 100°C. Aged Oil with a Test component has a Power Factor of 0.093% at 100°. Is this increase acceptable? If not why? How much increase is acceptable?

0 Answers  

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How can identify meter AC or DC without use of symbel?

4 Answers  

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when conductor rotates in varying magnetic field the emf will induced in it and it is sinusoidal in nature ...? Why it is not in square wave and rectangular wave in nature?

4 Answers  

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when the rheostat kept in minimum to maximum position in motors what will happen?

7 Answers  

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What is power factor?How to improve power factor

2 Answers   Tech Mahindra,

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what is main purpose of ignator in halogen lamps.how to identify the failer of ignator in circuit

0 Answers  

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What do you mean by eddy current loss?

1 Answers  

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how is capacitor bank look like

0 Answers  

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When we have earthing mesh or underground earthing network in industrial plants, weather we have NT-S or NT-C-S kind of earthing system, so eventually weather we must use 4 or 5 wire in 400 volt level (For example 3×150+70 mm2 or 5×150 mm2) in this connection I would like to know exactly the paragraph of IEC or IEEE number

0 Answers   TATA,

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