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?

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what is the illumination level required for child play area?

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what is the use of back emf?

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A genarator is connected through a 20MVA ,13.8/138 KV stepdown transformer to a transmission line. at the reciving end of the line a load is supplied through a step down transformer of 10MVA,138/69 KV rating .A 0.72 PU load evaluated on load side transformer ratings as base values ,is supplied from the above system for system base values of 10 MVA and 69 KV in load circuit the value of the load in generator circuit will be ...........

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What is the speed of electrical supply?

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why most of the induction are delta connected?

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Is a current transformer step up or step down ?

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Why the transformers are rated in KVA. ? in new view.

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how we can measure the dc current instead of clamp meter ?

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you have a 2 tonne ac that operates for 2 hrs daily what will be you monthly bill (this is complete question asked nothing else was given)?

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Construction of ac motor?

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how to find out speed of single phase motor

6 Answers   BARC,

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