| 摘要 |
An emergency pitch drive power supply is provided, the emergency pitch drive power supply comprising an auxiliary generator (400; 500) for producing electric power, wherein the auxiliary generator (400; 500) is a permanently excited multi-pole generator adapted to generate sufficient powder for a pitch drive (145) of a wind turbine (100) when driven with wind rotor speed, and wherein the auxiliary generator (400; 500) is connected to at least one pitch drive motor (145) of the wind turbine (100). |
