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Determining the rotor angle of a synchronous machine at standstill with the aid of iterative test pulses
Determining the rotor angle of a synchronous machine at standstill with the aid of iterative test pulses
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机译:借助迭代测试脉冲确定静止状态下同步电机的转子角
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摘要
A method for determining the angular position of a synchronous machine having a magnetically anisotropic rotor includes an (m) iteration stage and an (n) iteration stage. The (m) iteration stage encompasses: generating an (m) magnetic field of an (m) angular direction and acquiring an (m) peak value of the current pulse generated by the (m) voltage pulse; and providing at least two further (m+i) peak values in different (m+i) angular directions that differ from the (m) angular direction. The (n) iteration stage includes: ascertaining the angular directions (n) and (n+1) in which the two highest or the two lowest peak values from a peak value group occur; and providing an (n) angular direction, which resides between the (n+1) angular direction and the (n+2) angular direction, as an angular position output.
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