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1. 发明申请

US20210111661A1 REGENERATIVE CURRENT LIMITING OF SYNCHRONOUS MOTOR DRIVES 有权
公开(公告)号：US20210111661A1
公开(公告)日：2021-04-15
申请号：US16653429
申请日：2019-10-15
申请人： STEERING SOLUTIONS IP HOLDING CORPORATION
发明人： Prerit PRAMOD , Krishna NAMBURI , Zhe ZHANG
IPC分类号： H02P29/40 , G01R19/00 , H02P3/14 , H02P9/12
摘要： Technical solutions are described for controlling operation of an inverter to manage voltage upon a direct current (DC) bus and regenerative power (current) provided to a battery. A control system and method are provided to control operation of an electric machine using a controller. More specifically, the controller is configured to calculate a current-based torque limit to satisfy a regenerative current limit, and a voltage-based torque limit to satisfy a voltage limit constraint of the DC bus. The controller is configured to calculate a torque limit to satisfy the regenerative current and voltage limits of the DC bus, and to command a plurality of switches within the inverter to generate a direct-axis current from the electric machine corresponding to a torque demand and according to the torque limit. The proposed system and method provide for motor current that exceed a demagnetizing current limit of the electric machine.

2. 发明授权

US08967857B2 Temperature detection device that detects temperature of rotor of motor 有权
标题翻译：检测电机转子温度的温度检测装置
公开(公告)号：US08967857B2
公开(公告)日：2015-03-03
申请号：US13524114
申请日：2012-06-15
申请人： Tatsuya Senoo
发明人： Tatsuya Senoo
IPC分类号： G01K13/08 , G01K1/00 , G01K7/00 , H02P9/12 , G01K13/00 , H02P29/00 , G01R31/34
CPC分类号： G01K13/00 , G01K7/00 , G01R31/343 , H02P29/60
摘要： A temperature detection device that detects a temperature of a rotor of a motor. The temperature detection device has a current detection unit configured to detect a current value of a current flowing through a winding with which any one of a stator and the rotor of the motor is provided, an iron loss estimation unit configured to estimate an iron loss of the rotor using the current value, and a rotor temperature estimation unit configured to estimate the temperature of the rotor using the iron loss.
摘要翻译：一种温度检测装置，其检测电动机的转子的温度。温度检测装置具有电流检测部，其被配置为检测流过与定子和电动机的转子中的任一个的绕组的电流的电流值，铁损估计部，所述转子使用所述电流值，以及转子温度估计单元，其被配置为使用所述铁损来估计所述转子的温度。

3. 发明授权

US08008810B2 Phase-control switching apparatus and switching control method for phase-control switching apparatus 有权
标题翻译：相控开关装置及相控开关装置的切换控制方法
公开(公告)号：US08008810B2
公开(公告)日：2011-08-30
申请号：US12527230
申请日：2007-04-20
申请人： Sadayuki Kinoshita , Kenji Kamei , Haruhiko Koyama , Tomohito Mori
发明人： Sadayuki Kinoshita , Kenji Kamei , Haruhiko Koyama , Tomohito Mori
IPC分类号： H01F13/00 , H01F27/42 , H02P9/12
CPC分类号： H02H9/002 , H01H9/56 , H02H7/04
摘要： A residual-magnetic-flux calculating unit includes a voltage-change-rate detecting unit that detects a transformer-voltage change rate from a phase voltage between a breaker and a transformer, a residual-magnetic-flux detecting unit that detects a residual magnetic flux remaining on the transformer based on the phase voltage, and a breaker-switching-state identifying unit that detects a switching state of the breaker. The residual-magnetic-flux calculating unit recalculates the residual magnetic flux based on the transformer-voltage change rate and a predetermined threshold while the breaker is in an open state.
摘要翻译：剩余磁通量计算单元包括电压变化率检测单元，其从断路器和变压器之间的相电压检测变压器电压变化率，剩余磁通量检测单元检测残余磁通量基于相电压保持在变压器上，以及断路器切换状态识别单元，其检测断路器的开关状态。剩余磁通计算单元在断路器处于打开状态的同时基于变压器电压变化率和预定阈值重新计算剩余磁通量。

4. 发明授权

US4540930A Plywheel-powered mobile X-ray apparatus 失效
标题翻译：手轮式移动式X光机
公开(公告)号：US4540930A
公开(公告)日：1985-09-10
申请号：US530875
申请日：1983-09-12
申请人： Melvin P. Siedband
发明人： Melvin P. Siedband
IPC分类号： H05G1/24 , H02K7/02 , H02K39/00 , H02P9/12
CPC分类号： H05G1/24
摘要： A mobile X-ray apparatus (20) is disclosed which incorporates a power supply (22) in which the energy for operation of the X-ray tube (21) is supplied from a flywheel (50) coupled to an electrical machine (24) which functions as both a motor and generator. In the motor mode of operation, a controller (21) provides power to the machine (24) to operate it as a motor and drive the flywheel up to a desired operating speed. Upon request of the operator to initiate an exposure, the controller power is disconnected from the machine and the power terminals (32) of the machine (24) are connected to a transformer and rectifier (27) which increases the generated voltage and rectifies it to provide the high voltage across the X-ray tube (21) required for proper exposures. The controller (31) provides a first selected level of current to the control winding (77) of the machine (24) required during the motor mode for proper motor operation, and provides a higher selected current level to the control winding (77 ) during generator operation. The controller also provides a boost in the control winding current as the machine (24) begins to supply power during an exposure to compensate for the voltage sag that ordinarily occurs upon loading of the machine to thereby maintain the output voltage substantially constant.
摘要翻译：公开了一种移动X射线装置（20），其包括电源（22），其中用于操作X射线管（21）的能量从耦合到电机（24）的飞轮（50）提供，其既用作电机又用作发电机。在电动机操作模式中，控制器（21）向机器（24）供电以将其作为电动机操作，并将飞轮驱动到期望的运行速度。根据操作者要求开始曝光，控制器电源与机器断开，并且机器（24）的电源端子（32）连接到变压器和整流器（27），该变压器和整流器（27）增加产生的电压并将其整流到在正确曝光所需的X射线管（21）上提供高电压。控制器（31）向马达模式期间所需的机器（24）的控制绕组（77）提供第一选定的电流以适当的马达操作，并且在控制绕组（77）期间向控制绕组（77）提供更高的选定电流电平发电机运行。当机器（24）在曝光期间开始供电时，控制器还提供控制绕组电流的升高，以补偿在机器加载时通常发生的电压骤降，从而保持输出电压基本恒定。

5. 发明授权

US3549981A Static exciter field suppressor 失效
标题翻译：静态雷达场抑制器
公开(公告)号：US3549981A
公开(公告)日：1970-12-22
申请号：US3549981D
申请日：1968-08-01
申请人： GEN ELECTRIC
发明人： DOLBEC ALBERT C
IPC分类号： H01F29/14 , H02H7/06 , H02P9/12 , H02P9/38 , H02P9/32
CPC分类号： H01F29/14 , H02H7/06 , H02P9/123 , H02P9/38

6. 发明授权

US2546481A Electrical regulator 失效
公开(公告)号：US2546481A
公开(公告)日：1951-03-27
申请号：US70193946
申请日：1946-10-08
申请人： BENDIX AVIAT CORP
发明人： TOWNSEND CARROLL S
IPC分类号： H02P9/12
CPC分类号： H02P9/126 , H02P2101/30

7. 发明授权

US2484247A Means to open generator field circuit and to dissipate stored magnetic field energy 失效
标题翻译：意味着开放发电机励磁电路并消耗存储的磁场能量
公开(公告)号：US2484247A
公开(公告)日：1949-10-11
申请号：US62107745
申请日：1945-10-08
申请人： WESTINGHOUSE ELECTRIC CORP
发明人： RATZ ELMER G
IPC分类号： H02H7/06 , H02P9/12
CPC分类号： H02H7/06 , H02P9/123 , Y10T307/735

8. 发明授权

US2274356A Polarity control system 失效
标题翻译：极性控制系统
公开(公告)号：US2274356A
公开(公告)日：1942-02-24
申请号：US25978239
申请日：1939-03-04
申请人： WESTINGHOUSE ELECTRIC & MFG CO
发明人： BLANKENBUEHLER JOHN H
IPC分类号： A41D1/06 , H02P9/12
CPC分类号： H02P9/126 , A41D1/06

9. 发明授权

US1913952A Dynamo-electric machine regulation 失效
公开(公告)号：US1913952A
公开(公告)日：1933-06-13
申请号：US47088830
申请日：1930-07-26
申请人： ALLIS CHALMERS MFG CO
发明人： POWELL WILLIAM H
IPC分类号： H02P9/12
CPC分类号： H02P9/123

10. 发明授权

US11349430B2 Regenerative current limiting of synchronous motor drives 有权
公开(公告)号：US11349430B2
公开(公告)日：2022-05-31
申请号：US16653429
申请日：2019-10-15
申请人： STEERING SOLUTIONS IP HOLDING CORPORATION
发明人： Prerit Pramod , Krishna Namburi , Zhe Zhang
IPC分类号： H02P29/40 , G01R19/00 , H02P3/14 , H02P9/12
摘要： Technical solutions are described for controlling operation of an inverter to manage voltage upon a direct current (DC) bus and regenerative power (current) provided to a battery. A control system and method are provided to control operation of an electric machine using a controller. More specifically, the controller is configured to calculate a current-based torque limit to satisfy a regenerative current limit, and a voltage-based torque limit to satisfy a voltage limit constraint of the DC bus. The controller is configured to calculate a torque limit to satisfy the regenerative current and voltage limits of the DC bus, and to command a plurality of switches within the inverter to generate a direct-axis current from the electric machine corresponding to a torque demand and according to the torque limit. The proposed system and method provide for motor current that exceed a demagnetizing current limit of the electric machine.

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