Answer Posted / gursharanjit singh dhunna

Solid state devices are used in Inverters, UPS , Fan
regulators etc

What does quality factor depend on in resonance?

1087

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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?

1868

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what is frequency response?

1143

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what is meant by vector group of a transformer? How can it be derived?

2007

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Why do we need interlocking in a HT metering or Ring main unit switchgear?

2021

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What is open delta Xformer? It's adavntages & Use?

2225

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What do you mean by screen of power cables?

1779

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can a 150 kva 3 phase 440v/230V delta-wye step down transformer can be use as step up transfoermer with connected loads at 440v side?

1734

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state the disadvantages of carbon filament???

2939

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how to calculation increase capacitor,increase power factor for three phase.

2179

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I have a current transformer with 1 main reading meter with transformer outside the building and a control panel having 5 CT reading meters with black round coils inside the building. I want to know, A) when current pass through the Transformers, will the current be reduced or be the same and after that B) when current pass through the CT meters with black round coils, will the current be reduced or be the same. C) in the above process will the reading of the main meter be same or different, from the total reading of all the 5 CT meters.

1810

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What OPGW is better than Microwave or PLCC???

4127

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How to design a Unit auxiliary transformer for a power house having a unit of 65 MW and Generating voltage of 11 KV and Secondary voltage of 433V

2135

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how does a shunt reactor maintains the bus voltage???

2061

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What is UPS and How do you maintain the UPS Maintenance? Brief Description on UPS maintenance.

2585

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