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What is switching inrush current? Explain switching phenomenon in three phase transformer.
written 7.8 years ago by gravatar for mulugucharan mulugucharan • 50 modified 3.7 years ago by gravatar for DevarenjiniP DevarenjiniP • 3.2k
electrical machines
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written 3.7 years ago by gravatar for DevarenjiniP DevarenjiniP • 3.2k

SWITCHING INRUSH CURRENT

• Whenever a power transformer is just switched on without connecting load with its secondary, the primary of that transformer draws a high, peaky current from source which is transient in nature.

• There is an inrush of current at the instant of switching on a power …

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