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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How do you know when the battery is fully charged?

6 Answers   ABB, Pricol,

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State nyquist stability criterion.

0 Answers  

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difference between isolator and circuit breaker?????

7 Answers   Enercon,

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how many types are their in switchyard or substation(like D,I TYPE), what is differant between them

0 Answers  

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If a three phased motor or not working phased change on poles so how to find which one red yallow & blue

1 Answers  

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What should be the DC voltage for Hi-pot test on 11kv switchgear

3 Answers  

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what transformer we used normally and upto which kva?

0 Answers  

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why is only third harmonics is dangerous for electrical equipments?

3 Answers  

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what is the cable capacity of any load wise .

2 Answers  

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Define heating time constant of electric motor.

3 Answers  

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how we can calculate cable size of 230v,1 hp single phase motor ? panel to motor distance is 25 meter

4 Answers  

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