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a steam engine has two main characteristics and they are:

HIGH SPEED

they need this to drive a small dynamo directly, rather than needing a step-up drive by belts

ACCURATE SPEED REGULATION

Generation by dynamo requires a stable rotation speed for a stable output voltage, even when the load changes. When an alternator was being driven, the output frequency also depended upon a stable rotation speed.

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11y ago
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Q: What are the key characteristics for the steam engine?
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