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METHOD FOR CONTROLLING A MOTOR, FREQUENCY CONVERTER AND CONVERTER MOTOR
METHOD FOR CONTROLLING A MOTOR, FREQUENCY CONVERTER AND CONVERTER MOTOR
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机译:控制电动机的方法,频率变换器和变换器电动机
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摘要
The invention relates to a frequency converter (4) for the semiconductor switches (T1, T2, T3, T4, T5, T6) of which a maximum thermal load is repeatedly determined, a switch-on duration and/or a star point voltage potential being modified, at least for the semiconductor switch (T1, T2, T3, T4, T5, T6) for which the thermal load is at a maximum, in such a way that the thermal load for said semiconductor switch (T1, T2, T3, T4, T5, T6) and/or a semiconductor component (D1, D2, D3, D4, D5, D6) associated therewith is reduced.
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