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Can transformers work on DC?
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How does on-load tap changing work in power transformers?

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Will the tranformers work on pulsating dc ? as there occurs a change in magnitude of the flux produced

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Which device work on DC only?
Answer : Devices that work on DC (Direct Current) only typically rely on a steady flow of electrical charge in one direction. Here are some examples of devices that work on DC only: 1. **Batteries** - ... a wall outlet. DC is mainly used in applications where a steady and stable power source is required....

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Does an inductor work on DC?
Answer : Yes, an inductor works with DC (Direct Current), but its behavior is different from how it works with AC (Alternating Current). When a DC current flows through an inductor, initially, it ... current changes. Once the DC current becomes constant, the inductor doesn't have much of an effect....

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A three-phase transformer having a line voltage ratio of 0.4 kV/11kV is connected Star/Delta and protective transformers on the 0.4 kV side have a current ratio of 500/5. Calculate the ratio of ... on the 11 kV side. Draw a neat circuit diagram and indicate the given values at appropriate places.

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A 220V/22kV three-phase transformer is connected in star/delta. The protective transformers on the 220V side have a current ratio of 400/5. Calculate the CT ratio on the 22kV side.

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A plant consists of two 10 MVA generators of reactance 18% each and two 5 MVA generators of 12% each. All are connected to bus bar to supply a load through three step up transformers of 8 MVA each having reactance of 8%. Determine fault MVA on HV side of any one transformer.

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How does a voltage dependent overfluxing protection scheme work in transformers?

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How does differential protection work in transformers?

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Where can you find up-to-date information on MCB technology?

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Can we use car AC on battery?
Answer : Yes, you can run a car's air conditioning (AC) on a battery, but it depends on the type of car and the power requirements. 1. **Traditional Gasoline/Diesel Cars**: In standard cars, the ... battery power. In electric vehicles, it works directly off the battery, but it will consume a lot of energy....

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State any four effects that can be obtained by lighting on stages.
Answer : Lighting on stages can have several important effects that enhance the overall performance and atmosphere. Here are four key effects that stage lighting can create: 1. **Mood and Atmosphere**: ... These effects help to support the narrative and enhance the audience's experience of the performance....

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Three phase induction motor can never run on synchronous speed. Justify.

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What types domain of Laplace transforms? What behavior can Laplace transform predict how the system work?

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