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Patent Agency Ranking
公开(公告)号：WO2013143439A1
公开(公告)日：2013-10-03
申请号：PCT/CN2013/073189
申请日：2013-03-26
Applicant: SHENZHEN BYD AUTO R&D COMPANY LIMITED , BYD COMPANY LIMITED
Inventor： DU, Zhiyong , CHEN, Xing , XIAO, Kai
CPC classification number: H02P21/0035 , H02P21/0003 , H02P21/0021 , H02P21/22
Abstract: A method for controlling a rotation rate of an electric motor is provided. The method comprises following steps: judging whether an absolute value of a difference between an objective rotation rate of the electric motor and an actual rotation rate of the electric motor is greater than or equal to a predetermined value; and if yes, compensating a q axis current of the electric motor to adjust the rotation rate.
Abstract translation: 提供了一种用于控制电动机的转速的方法。 该方法包括以下步骤：判断电动机的目标转速与电动机的实际转速之差的绝对值是否大于或等于预定值; 如果是，则补偿电动机的q轴电流来调整转速。
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公开(公告)号：WO2014048284A1
公开(公告)日：2014-04-03
申请号：PCT/CN2013/083977
申请日：2013-09-23
Applicant: SHENZHEN BYD AUTO R&D COMPANY LIMITED , BYD COMPANY LIMITED
Inventor： LUO, Hui , DU, Zhiyong , ZHOU, Xuguang , ZHANG, Xinxin , CHEN, Xing , XIAO, Kai , CHENG, Lipin
IPC: H02P6/18
Abstract: A method for checking an out-of-step of a synchronous motor includes: detecting electric degrees of the synchronous motor, in which the electric degrees comprise at least a first electric degree and a second electric degree detected at a preset interval, and the second electric degree is detected after the first electric degree; comparing the first electric degree with the second electric degree to obtain a comparing result; and determining that the synchronous motor is out of step when the comparing result satisfies a preset requirement. It is determined that the synchronous motor is out of step when the electric degree keeps unchanged or decreases progressively, or an increment of the electric degree is very small.
Abstract translation: 用于检查同步电动机的失步的方法包括：检测同步电动机的电度，其中电度至少包括以预设间隔检测的第一电度和第二电度，第二 在第一电度之后检测电度; 将第一电度与第二电度进行比较以获得比较结果; 并且当比较结果满足预设要求时，确定同步电动机不合格。 当电度保持不变或逐渐减小时，同步电动机不合格，或者电度的增量非常小。
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公开(公告)号：WO2014048283A1
公开(公告)日：2014-04-03
申请号：PCT/CN2013/083975
申请日：2013-09-23
Applicant: SHENZHEN BYD AUTO R&D COMPANY LIMITED , BYD COMPANY LIMITED
Inventor： LUO, Hui , DU, Zhiyong , ZHOU, Xuguang , ZHANG, Xinxin , CHEN, Xing , YANG, Taotao , CHENG, Lipin
IPC: H02P6/00
CPC classification number: H02P6/12 , H02P6/34 , H02P29/0241
Abstract: A method for checking an out-of-step of a synchronous motor includes detecting three-phase currents of the synchronous motor; determining whether a relationship between the three-phase currents satisfies a preset requirement; and if no, determining that the synchronous motor is out of step. It is determined that the synchronous motor is out of step when amplitudes of each current of the three-phase currents are not equal or when the phase difference between the three-phase currents is not 120°.
Abstract translation: 用于检查同步电动机的失步的方法包括检测同步电动机的三相电流; 确定三相电流之间的关系是否满足预设要求; 并且如果否，确定同步电动机不合格。 确定当三相电流的每个电流的幅度不相等时或当三相电流之间的相位差不是120°时，同步电动机失步。
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公开(公告)号：EP2901546A1
公开(公告)日：2015-08-05
申请号：EP13842927.9
申请日：2013-09-23
Applicant: BYD Company Limited
Inventor： LUO, Hui , DU, Zhiyong , ZHOU, Xuguang , ZHANG, Xinxin , CHEN, Xing , YANG, Taotao , CHENG, Lipin
IPC: H02P6/00
CPC classification number: H02P6/12 , H02P6/34 , H02P29/0241
Abstract: A method for checking an out-of-step of a synchronous motor includes detecting three-phase currents of the synchronous motor; determining whether a relationship between the three-phase currents satisfies a preset requirement; and if no, determining that the synchronous motor is out of step. It is determined that the synchronous motor is out of step when amplitudes of each current of the three-phase currents are not equal or when the phase difference between the three-phase currents is not 120°.
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公开(公告)号：EP2831995A1
公开(公告)日：2015-02-04
申请号：EP13767963.5
申请日：2013-03-26
Applicant: BYD Company Limited
Inventor： DU, Zhiyong , CHEN, Xing , XIAO, Kai
CPC classification number: H02P21/0035 , H02P21/0003 , H02P21/0021 , H02P21/22
Abstract: A method for controlling a rotation rate of an electric motor is provided. The method comprises following steps: judging whether an absolute value of a difference between an objective rotation rate of the electric motor and an actual rotation rate of the electric motor is greater than or equal to a predetermined value; and if yes, compensating a q axis current of the electric motor to adjust the rotation rate.
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