| 摘要 |
This invention presents an electrical power conditioner in the form of an electrical drive system for a machine, motor or generator. The electrical drive system has both variable frequency and fixed frequency modes. The electrical drive system includes power conditioners of less than full capacity for the variable frequency mode and a direct connection switch of full capacity for the fixed frequency mode. The electrical drive system is capable of supplying or receiving power from a variable speed electrical machine. The electrical drive system is particularly useful for wind turbines.
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