why we store only dc in batteries ?

1 Answers  

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what is lxr?

0 Answers   NTPC,

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Explain how you decide what size of electrical wire do you need?

0 Answers  

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why we use salt for earthing?

1 Answers  

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what is inductance function?

3 Answers  

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What is difference b/w fuse and breaker?

3 Answers   Jindal,

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what do you mean by PF correction. A motor is rated at 15 kw,415 volts, 0.7 pf and eff of 0.92. The powerfactor is improved to 0.98 by adding capacitors at the bus. calculate the current drawn by motor under full load condition before and after pf correction

5 Answers  

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Why does inductor is connected to dc supply? or what is the role of an inductor when connected to DC source?

3 Answers   TCS, TRR,

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what exactly commisioning work does in electrical site work... LT side?..

0 Answers  

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In EHV transmission line a neutral grounding reactor is often placed at neutral point of shunt reactors. What is the recommended protection for this neutral grounding reactor? Should I use a fast closing switch to bypass neutral grounding reactor when this protection operates?

0 Answers   TATA,

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What is true sine wave or pure sine wave inverter?? Is it sine wave or step wave?? If it is step wave, waves with how much step is considered as pure sine wave? Is it possible to produce pure sinewave using power electronics?

0 Answers  

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WHATIS TIME CONSTANT? WHATIS ITS SIGNIFICANCE? ILLUSTRATE THROUGH EXAMLES.

0 Answers  

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