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by Noob0123
Oct 12 2020 8:41am
Forum: Alternative Energy
Topic: Weight of wind power generators
Replies: 1
Views: 349

Weight of wind power generators

Hi. I am quite curious why are wind power direct-drive generators so heavy? A 10 kw one can weight up to 100kg. Is it because they have to be wound for extremely low kv? But permanent magnet ones are essentially bldcs (for instance, ebike hub motors). The rpm difference there is just x3. Yet they ar...