发明名称 |
ELECTRIC BRAKE DEVICE OF PERMANENT MAGNET TYPE WIND POWER GENERATOR |
摘要 |
PROBLEM TO BE SOLVED: To reduce a size and weight of a mechanical brake device in a permanent magnet type wind power generator, and to decelerate a rotation of a windmill and maintain a stopping state of the windmill without demagnetization of a rotor magnetic pole (permanent magnet) of the generator. SOLUTION: The device brakes the permanent magnet type wind power generator, and comprises: a rotor 1a including the permanent magnet rotating together with the windmill 1; and the generator 2 having an armature circuit 3 arranged to be opposite to the rotor 1a. In this device, first and second short- circuit devices 4 and 4a for braking arranged in the armature circuit 3 are provided. The first short-circuit device 4 short-circuits the armature circuit 3 in order to maintain the stopping state of the windmill 1, and the second short-circuit device 4A includes an impedance 7 serially connected to a short- circuit switch, and short-circuits the armature circuit 3 in order to decelerate the windmill 1 which is rotating. |
申请公布号 |
JP2002339856(A) |
申请公布日期 |
2002.11.27 |
申请号 |
JP20010148212 |
申请日期 |
2001.05.17 |
申请人 |
MITSUBISHI ELECTRIC CORP;TMA ELECTRIC CORP |
发明人 |
NAKANO MASATSUGU;KAWAMURA MITSUHIRO;MATSUSHITA TAKATOSHI;IKEDA YUJI |
分类号 |
F03D7/04;F03D9/00;H02P9/00 |
主分类号 |
F03D7/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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