公开(公告)号：WO2011023137A1

公开(公告)日：2011-03-03

申请号：PCT/CN2010/076444

申请日：2010-08-29

Applicant: BYD COMPANY LIMITED ,  TANG, Xiaohua ,  DU, Zhiyong ,  ZHOU, Yongzhuang ,  XIA, Cong ,  CHENG, Lipin ,  MA, Hui

Inventor： TANG, Xiaohua ,  DU, Zhiyong ,  ZHOU, Yongzhuang ,  XIA, Cong ,  CHENG, Lipin ,  MA, Hui

IPC: G01R31/34 ,  G01R19/145 ,  H02H3/13

CPC classification number: H02H7/09 ,  G01R31/026 ,  G01R31/343 ,  H02P29/0243

Abstract: An open phase detection system and method for a three-phase motor (5) are provided, and the system comprises: a signal generating unit (1) coupled to the three-phase motor (5) and configured to generate a driving signal for driving the three-phase motor (5), a detecting unit (2) coupled to the signal generating unit (1) and configured to detect whether the signal generating unit (1) generates the driving signal and to detect three-phase current values of the three-phase motor (5), and a determining unit (3) coupled to the detecting unit (2) and configured to determine whether the three-phase motor (5) has open phase according to the three phase current values detected by the detecting unit (2) when the driving signal was detected.

Abstract translation: 提供了一种用于三相电动机（5）的开放相位检测系统和方法，该系统包括：信号发生单元（1），耦合到三相电动机（5）并被配置为产生驱动信号 所述三相电动机（5），耦合到所述信号发生单元（1）的检测单元（2），用于检测所述信号产生单元（1）是否产生所述驱动信号，并且检测所述三相电动机 三相电动机（5）和耦合到所述检测单元（2）的确定单元（3），并且被配置为根据由所述检测单元检测到的三相电流值来确定所述三相电动机（5）是否具有断开相位 检测到驾驶信号时的单位（2）。

公开(公告)号：EP2473863B1

公开(公告)日：2015-10-14

申请号：EP10811297.0

申请日：2010-08-29

Applicant: BYD Company Limited

Inventor： TANG, Xiaohua ,  DU, Zhiyong ,  ZHOU, Yongzhuang ,  XIA, Cong ,  CHENG, Lipin ,  MA, Hui

IPC: G01R31/34 ,  G01R19/145 ,  H02H3/13 ,  H02H7/09 ,  G01R31/02 ,  H02P6/12

CPC classification number: H02H7/09 ,  G01R31/026 ,  G01R31/343 ,  H02P29/0243

公开(公告)号：EP2473863A1

公开(公告)日：2012-07-11

申请号：EP10811297.0

申请日：2010-08-29

Applicant: BYD Company Limited

Inventor： TANG, Xiaohua ,  DU, Zhiyong ,  ZHOU, Yongzhuang ,  XIA, Cong ,  CHENG, Lipin ,  MA, Hui

IPC: G01R31/34 ,  G01R19/145 ,  H02H3/13

CPC classification number: H02H7/09 ,  G01R31/026 ,  G01R31/343 ,  H02P29/0243

Abstract: An open phase detection system and method for a three-phase motor (5) are provided, and the system comprises: a signal generating unit (1) coupled to the three-phase motor (5) and configured to generate a driving signal for driving the three-phase motor (5), a detecting unit (2) coupled to the signal generating unit (1) and configured to detect whether the signal generating unit (1) generates the driving signal and to detect three-phase current values of the three-phase motor (5), and a determining unit (3) coupled to the detecting unit (2) and configured to determine whether the three-phase motor (5) has open phase according to the three phase current values detected by the detecting unit (2) when the driving signal was detected.