Answer / s.sakthivel perambalur

780 VA ro market available equlant 800VA solar charger is better

what happen for input voltage output voltage input current output current and kva if we increase primery winding in transformer?

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sir, What is the purpose in Generating power plant is operated Lagging PF and Above 0.9 lag PF?

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What is technical difference between ELCB & ELMCB?

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why is using sensor?what is differece between photoelectric and proxmitty?

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What is the difference between a Junction Box and a Marshalling Box?

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Give the two basic speed control of DC shunt motor.

4 Answers  

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how to select proper cable for ct wiring so that drop within the limit.

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which type motor r use in the celling fan.....

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When will you multiply and devide with derating factors to the actual value while sizing the cable?

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L.A. (Lightening Arrester) is located at a place from where transmission line enters the transmitting substation. So L.A. (Lightening Arrester) is the first equipments which has to encounter with lightening, high voltage surges and switching surges. It has to absorb energy of lightening, high voltage surges, and switching surges. L.A. (Lightening Arrester) is made up of layers of semiconductors. If these layers can not tolerate energy released by lightening, high voltage surges, and switching surges the L.A. (Lightening Arrester) blasts.

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Stator of three phase induction motor creates Rotating Magnetic field.But why not Transformer?

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Why are some relay circuts designed to have the ct current flow through the neutral instead of the phase wire, such as in some diff relays?

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