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Why 400 HZ for air crafts?

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Anonymous

13y ago
Updated: 8/20/2019

400 Hz is used in aircraft because it allows Transformers to be much smaller than if the frequency was lower. A 50 Hz transformer would weight eight times as much. But 400 Hz is not useful for transmitting over distances of more than a few hundred metres because of power losses.

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13y ago

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