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公开(公告)号：CN107210700A
公开(公告)日：2017-09-26
申请号：CN201580074623.6
申请日：2015-11-19
Applicant: 三星电子株式会社 , 成均馆大学校产学协力团
CPC classification number: H02P27/06 , F24F11/89 , F24F13/14 , F25B49/025 , H02P23/26 , H02P2201/07 , H02P2201/15 , H02M3/158
Abstract: 公开一种电动机驱动设备。该电动机驱动设备包括：整流器，将交流(AC)电源整流成直流(DC)电源以输出输入电压；第一降压‑升压转换器，包括用于转换输入电压的多个开关并具有逐步降低输入电压的降压模式和逐步提高输入电压的升压模式；逆变器，将从第一降压‑升压转换器变换的DC‑链路电压转换成交流电压并将交流电压传送到电动机；以及控制器，接收与电动机的驱动有关的电动机信息，以便将期望的直流链路电压和输入电压电平彼此比较，由此控制切换多个开关中的仅仅一个，以便以降压模式或升压模式操作。
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公开(公告)号：CN104067496B
公开(公告)日：2016-08-31
申请号：CN201280067545.3
申请日：2012-10-18
Applicant: 大金工业株式会社
Inventor： 田口泰贵
CPC classification number: H02M5/458 , H02M1/4225 , H02M7/48 , H02M2001/0048 , H02M2001/123 , H02P27/06 , H02P2201/15 , Y02B70/126 , Y02B70/1491
Abstract: 本发明通过在漏电流不明显的区间以外输出补偿电流，降低由于流过补偿电流导致的损耗。变流器(11)被从交流电源(3)输入交流电，并将该交流电进行整流后输出给直流环节(15)。逆变器(14)经由直流环节(15)与变流器(11)连接，将直流电变换为交流电，并将该交流电输出给负载(4)。漏电流检测器(21)输出与从负载(4)泄漏的漏电流(Ia)对应的检测电流(Ib)。补偿电流输出端(223)连接于漏电流(Ia)泄漏的位置(41)处，响应于检测电流(Ib)而补偿漏电流(Ia)。开关(8)对检测电流(Ib)能否输入补偿电流输出部(22)进行设定。
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公开(公告)号：CN102577094B
公开(公告)日：2014-11-26
申请号：CN201080044562.6
申请日：2010-08-10
Applicant: 艾默生环境优化技术有限公司
Inventor： 迈克尔·I·亨德森 , 约瑟夫·G·马尔钦凯维奇 , 查尔斯·E·格林
CPC classification number: H02P21/06 , H02P21/0089 , H02P2201/15
Abstract: 电动机控制系统包括控制模块、开关模块和滤波模块。控制模块基于扭矩需求来确定用于操作电动机的输出电压。开关模块生成驱动电动机的逆变器的开关信号。开关模块基于输出电压生成开关信号。开关模块根据基于输出电压、最大占空比以及向逆变器提供电力的直流(DC)总线的电压的比较来生成电压失调(OOV)信号。滤波模块通过对OOV信号滤波来生成OOV量。控制模块基于OOV量选择性地限制扭矩需求。
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公开(公告)号：CN104067496A
公开(公告)日：2014-09-24
申请号：CN201280067545.3
申请日：2012-10-18
Applicant: 大金工业株式会社
Inventor： 田口泰贵
CPC classification number: H02M5/458 , H02M1/4225 , H02M7/48 , H02M2001/0048 , H02M2001/123 , H02P27/06 , H02P2201/15 , Y02B70/126 , Y02B70/1491
Abstract: 本发明通过在漏电流不明显的区间以外输出补偿电流，降低由于流过补偿电流导致的损耗。变流器(11)被从交流电源(3)输入交流电，并将该交流电进行整流后输出给直流环节(15)。逆变器(14)经由直流环节(15)与变流器(11)连接，将直流电变换为交流电，并将该交流电输出给负载(4)。漏电流检测器(21)输出与从负载(4)泄漏的漏电流(Ia)对应的检测电流(Ib)。补偿电流输出端(223)连接于漏电流(Ia)泄漏的位置(41)处，响应于检测电流(Ib)而补偿漏电流(Ia)。开关(8)对检测电流(Ib)能否输入补偿电流输出部(22)进行设定。
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公开(公告)号：CN101964621B
公开(公告)日：2014-09-03
申请号：CN201010503441.5
申请日：2010-06-24
Applicant: 依必安-派特穆尔芬根股份有限两合公司
CPC classification number: H02P6/085 , H02M2001/007 , H02P6/34 , H02P25/03 , H02P2201/09 , H02P2201/15 , H02P2209/01
Abstract: 本发明涉及用于控制无刷电子换向电机(2)的方法和控制系统，其中，对交流电源电压(UN)进行整流后，将其作为级间耦合电路电压(UZ)通过具有最小级间耦合电路电抗的精简型级间耦合电路(8)供应给可被控制用于对电机进行馈电并使其换向的逆变器(10)。利用升压变换器(18)，将最初通过对交流电源电压(UN)进行整流而产生的脉动直流电压(UG)的瞬时值动态地提升，从而使由此产生的级间耦合电路电压(UZ)在整个时间曲线上具有减小了的波动，并始终位于一定的极限电压(U1/U2)之上。控制系统包括电源整流器(6)、具有最小级间耦合电路电抗的串联的精简型级间耦合电路(8)以及通过级间耦合电路馈电且能够控制使电机换向的逆变器(10)。
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Patent Agency Ranking
公开(公告)号：CN101803174A
公开(公告)日：2010-08-11
申请号：CN200780100575.9
申请日：2007-12-14
Applicant: 三菱重工业株式会社
IPC: H02P9/00
CPC classification number: F03D7/048 , F03D7/0284 , H02J3/16 , H02J3/386 , H02P23/26 , H02P2201/15 , Y02E10/723 , Y02E10/763 , Y02E40/34
Abstract: 目的在于提高无功功率的调整精度。使用对于各风车分别设定的无功功率校正量来校正互连点(A)的规定无功功率指令值，由此确定对应于各风车的无功功率指令值。
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公开(公告)号：US20240063708A1
公开(公告)日：2024-02-22
申请号：US18259340
申请日：2021-02-12
Applicant: Mitsubishi Electric Corporation
Inventor： Koichi ARISAWA , Takuya SHIMOMUGI , Takaaki TAKAHARA , Haruka MATSUO , Keisuke UEMURA
CPC classification number: H02M1/12 , H02M1/4283 , H02M1/0009 , H02M1/16 , H02M1/4225 , H02M5/4585 , H02P27/12 , H02M1/143 , F25B49/025 , H02P2201/07 , H02P2201/09 , H02P2201/15 , F25B2600/021
Abstract: A power converter includes: a rectifying and boosting unit that rectifies first alternating-current power supplied from a commercial power supply and boosts a voltage of the first alternating-current power; a capacitor connected to an output end of the rectifying and boosting unit; an inverter to convert power output from the rectifying and boosting unit and the capacitor into second alternating-current power, and output the second alternating-current power to a device; and a control unit that reduces a current flowing through the capacitor by controlling the rectifying and boosting unit and by controlling the inverter such that the inverter outputs, to the device, the second alternating-current power containing a ripple dependent on a ripple of power flowing from the rectifying and boosting unit into the capacitor. The control unit controls in accordance with a load state.
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公开(公告)号：US20230146546A1
公开(公告)日：2023-05-11
申请号：US17453802
申请日：2021-11-05
Applicant: Emerson Climate Technologies, Inc.
Inventor： Joseph G. Marcinkiewicz , Mark Qin , Nikhil R. Lakhkar , Robert Dziuba
CPC classification number: F25B49/025 , F25B13/00 , F25B31/02 , H02P29/68 , H02P2201/09 , H02P2201/15
Abstract: In other features, a refrigeration system is provided and includes a compressor motor, an inverter, a converter and a control module. The inverter is configured to convert a direct current (DC) bus voltage to an alternating current (AC) voltage and supply the AC voltage to the compressor motor. The converter is configured to convert a DC input voltage to the DC bus voltage. The control module is configured to obtain a parameter and in response to the parameter exceeding a predetermined threshold, reduce the DC bus voltage and at least one of (i) reduce a switching frequency, (ii) increase an amount of negative d-axis current of the compressor motor, or (iii) reduce a speed of the compressor motor.
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公开(公告)号：US09825560B2
公开(公告)日：2017-11-21
申请号：US14489078
申请日：2014-09-17
Applicant: Regal Beloit America, Inc.
Inventor： Ming Li , Peizhong Yi , Roger Carlos Becerra , Ludovic Andre Chretien
IPC: H02M7/46 , H02M3/28 , H02M7/217 , H02P6/00 , H02M1/42 , H01F17/04 , H02M1/12 , H02M3/158 , H01F17/00
CPC classification number: H02P6/28 , H01F17/04 , H01F2017/0093 , H02M1/126 , H02M1/4225 , H02M1/4266 , H02M3/1584 , H02M2001/123 , H02P6/002 , H02P2201/09 , H02P2201/15 , Y02B70/126
Abstract: An interleaved bridgeless power factor correction (PFC) converter-based motor drive system is provided. The system includes a first inductor coupled to a second inductor. The coupled first and second inductors are coupled to a first input configured to be coupled to a first line of an alternating current (AC) power supply. The system also includes a third inductor coupled to a fourth inductor. The coupled third and fourth inductors are coupled to a second input configured to be coupled to a second line of the AC power supply. The system further includes a digital active power factor correction (PFC) controller configured to cause current in at least one of the coupled first and second inductors and the coupled third and fourth inductors to be interleaved.
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公开(公告)号：US09300241B2
公开(公告)日：2016-03-29
申请号：US14559378
申请日：2014-12-03
Applicant: Regal Beloit America, Inc.
Inventor： Roger Carlos Becerra , Yao Da
CPC classification number: H02P29/0038 , H02M1/126 , H02M1/4266 , H02P6/14 , H02P29/50 , H02P2201/15 , Y02B70/123
Abstract: A drive circuit is provided for reducing conducted electromagnetic interference provided by a power line to a motor controller. The drive circuit includes an EMI filter having first and second EMI filter input terminals, and first and second EMI filter output terminals. The first input terminal is configured to be coupled to a first AC line output and the second input terminal is configured to be coupled to a second AC line output. The drive circuit includes a rectifier portion having first and rectifier input terminals coupled to the first and second EMI output terminals, respectively. The drive circuit includes at least two series-coupled filter capacitors after the rectifier portion and a PFC choke coupled at a first end to one of the EMI filter output terminals and to one of the first and second rectifier input terminals, and at a second end between the series-coupled filter capacitors.
Abstract translation: 提供驱动电路，用于将由电力线提供的传导电磁干扰降低到电动机控制器。 驱动电路包括具有第一和第二EMI滤波器输入端子以及第一和第二EMI滤波器输出端子的EMI滤波器。 第一输入端子被配置为耦合到第一AC线路输出，并且第二输入端子被配置为耦合到第二AC线路输出。 驱动电路包括整流部分，其具有分别耦合到第一和第二EMI输出端的第一和整流器输入端。 驱动电路包括在整流器部分之后的至少两个串联耦合的滤波电容器，以及在第一端处耦合到EMI滤波器输出端子之一以及第一和第二整流器输入端子之一的PFC扼流圈，并且在第二端 串联耦合滤波电容之间。
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