发明名称 |
METHOD FOR REDUCTION OF A CURRENT BREAKDOWN IN A NON-COMMUTING PHASE BELT OF A THREE-PHASE BLOCK CURRENT SUPPLIED SYNCHRONOUS MACHINE AND CIRCUIT ARRANGEMENT THEREFOR |
摘要 |
The invention relates to a method for reduction of a current breakdown in a non-commutating phase belt (R) of a three-phase block current supplied synchronous machine (2), while the phase currents (iS, iT) of the two other phases (S, T) commutate. According to the invention, a triangular, high-frequency sampling voltage (UD) of a pulse frequency generator (12) of a control set (10) of a power converter (8) feeding the synchronous machine (2) is short-circuited in each case at the commencement of commutation for a predetermined synchronising period (T). In this way a method and a circuit arrangement for carrying out the method is obtained with which the torque ripple of a three-phase feed drive is reduced. …<IMAGE>… |
申请公布号 |
EP0350716(A3) |
申请公布日期 |
1990.06.06 |
申请号 |
EP19890111765 |
申请日期 |
1989.06.28 |
申请人 |
SIEMENS AKTIENGESELLSCHAFT |
发明人 |
HAMANN, JENS, DR.;VOGT, HARTMUT, DIPL.-ING. |
分类号 |
H02P25/02;H02P27/06 |
主分类号 |
H02P25/02 |
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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