公开(公告)号：US09240749B2

公开(公告)日：2016-01-19

申请号：US13963317

申请日：2013-08-09

Applicant: Emerson Climate Technologies, Inc.

Inventor： Charles E. Green ,  Joseph G. Marcinkiewicz

IPC: H02P1/30 ,  H02P1/52 ,  H02P3/00 ,  H02P7/06 ,  H02P27/04 ,  H02P27/08 ,  H02P21/14

CPC classification number: H02P27/08 ,  H02P23/14 ,  H02P23/26 ,  H02P23/30 ,  H02P27/04 ,  H02P27/085 ,  H02P2201/15 ,  H02P2205/05 ,  H02P2205/07

Abstract: A control system for a motor includes a pulse-width modulation module, a pulse skip determination module, and a duty cycle adjustment module. The pulse-width modulation module generates three duty cycle values based on three voltage requests, respectively. A plurality of solid-state switches control three phases of the motor in response to the three duty cycle values, respectively. The pulse skip determination module generates a pulse skip signal. The duty cycle adjustment module selectively prevents the plurality of solid-state switches from switching during intervals specified by the pulse skip signal.

Abstract translation: 电动机的控制系统包括脉冲宽度调制模块，脉冲跳跃确定模块和占空比调节模块。 脉冲宽度调制模块分别基于三个电压请求产生三个占空比值。 多个固态开关分别响应于三个占空比值控制电动机的三相。 脉冲跳过确定模块产生脉冲跳越信号。 占空比调整模块选择性地防止多个固态开关在由脉冲跳跃信号指定的间隔期间切换。

公开(公告)号：US08164290B2

公开(公告)日：2012-04-24

申请号：US12578788

申请日：2009-10-14

Applicant: Wei-Shuo Tseng ,  Chia-Pin Wei ,  Chih-Hsiang Kuo

Inventor： Wei-Shuo Tseng ,  Chia-Pin Wei ,  Chih-Hsiang Kuo

IPC: H02P6/00

CPC classification number: H02P7/29 ,  H02P6/26 ,  H02P2201/15 ,  Y10T307/527 ,  Y10T307/544

Abstract: A fan includes a motor control device which is electrically connected with a motor and an alternating current power source. The motor control device includes a converting circuit, a power factor correction circuit and a motor controlling circuit. The voltage of the alternating current power source is converted to be direct current voltage by the converting circuit and the power factor correction circuit, and then the direct current voltage is outputted to the motor control circuit. The motor controlling circuit generates a driving signal in accordance with the direct current voltage for driving the motor to operate.

Abstract translation: 风扇包括与电动机和交流电源电连接的电动机控制装置。 电动机控制装置包括转换电路，功率因数校正电路和电动机控制电路。 通过转换电路和功率因数校正电路将交流电源的电压转换为直流电压，然后将直流电压输出到电动机控制电路。 电动机控制电路根据用于驱动电动机的直流电压产生驱动信号进行动作。

公开(公告)号：US20110089912A1

公开(公告)日：2011-04-21

申请号：US12723874

申请日：2010-03-15

Applicant: Yuki Kamata ,  Hiroshi Masumoto ,  Hiroshi Nagai ,  Sadao Ikeda

Inventor： Yuki Kamata ,  Hiroshi Masumoto ,  Hiroshi Nagai ,  Sadao Ikeda

IPC: G05F1/70

CPC classification number: H02P21/50 ,  H02P2201/09 ,  H02P2201/15

Abstract: A driver includes a sensor sensing a driving current and a driving voltage for an external device including a capacitor, a PWM, a PFC, and a controller. The PFC includes a phase angle estimation unit estimating a phase angle variation of an input voltage to the PFC based on a parameter regarding the driving current, a voltage compensator compensating an error of the driving voltage, a first current estimation unit estimating a variation of a charge of the capacitor based on the charge current and the phase angle variation estimated by the phase angle estimation unit, a second current estimation unit estimating a driving current variation, and a calculator calculating a duty ratio for the PWM based on the variation of the charge current estimated by the first current estimation unit and the driving current variation estimated by the second current estimation unit.

Abstract translation: 驱动器包括感测用于包括电容器，PWM，PFC和控制器的外部装置的驱动电流和驱动电压的传感器。 PFC包括相位角估计单元，其基于关于驱动电流的参数估计到PFC的输入电压的相位角变化，补偿驱动电压的误差的电压补偿器，第一电流估计单元估计 基于由相位角估计单元估计的充电电流和相位角变化的电容器的充电，第二电流估计单元估计驱动电流变化，以及计算器基于电荷变化计算PWM的占空比 由第一当前估计单元估计的电流和由第二电流估计单元估计的驱动电流变化。

公开(公告)号：US07420351B2

公开(公告)日：2008-09-02

申请号：US11559077

申请日：2006-11-13

Applicant: Petar Grbovic

Inventor： Petar Grbovic

IPC: H02P1/38

CPC classification number: H02M1/4225 ,  H02P27/08 ,  H02P2201/15 ,  Y02B70/126 ,  Y02P80/112

Abstract: A variable speed drive for a three-phase electric motor, including a rectifier module supplying a rectified voltage from a single-phase alternating current network, a voltage step-up module supplying a regulated bus voltage, and an inverter module supplying a control voltage to the motor. The variable speed drive includes a hybrid power-factor correction device that drives the voltage step-up module and that includes a digital circuit including a voltage step-up module supplying a correction signal based on a measurement signal of the bus voltage and an analog circuit supplying a driver signal to the step-up module based on a measurement signal of the rectified voltage and based on the correction signal.

Abstract translation: 一种用于三相电动机的变速驱动器，包括从单相交流网络提供整流电压的整流模块，提供调节总线电压的升压模块和向其提供控制电压的逆变器模块 电机。 变速驱动器包括驱动升压模块的混合功率因数校正装置，其包括数字电路，该数字电路包括基于总线电压的测量信号提供校正信号的升压模块和模拟电路 基于整流电压的测量信号，并且基于校正信号，向升压模块提供驱动器信号。

公开(公告)号：WO2009066840A3

公开(公告)日：2012-02-23

申请号：PCT/KR2008002451

申请日：2008-04-30

Applicant: LG ELECTRONICS INC ,  PARK GWI GUEN

Inventor： PARK GWI GUEN

IPC: H02P23/00 ,  H02M1/12 ,  H02M5/40 ,  H02P27/06

CPC classification number: H02P23/26 ,  H02M1/126 ,  H02P2201/15

Abstract: The present invention relates to a motor controller (300) including an inverter (320) which receives DC power, converts the DC power into AC power of a specific frequency through switching operations, and supplies the AC power to a three-phase motor (350). A noise filter unit (305) is connected between a commercial AC power source and a converter (310), includes normal mode inductors (Ln1, Ln2) and common mode inductors (Lc1, Lc2) for removing a high frequency current. Accordingly, the motor control can control the power factor, limit a high frequency current, and eliminate noise components, that is, ripple components of an input current.

Abstract translation: 电动机控制器技术领域本发明涉及一种电动机控制器（300），其包括接收直流电力的逆变器（320），通过开关动作将直流电力转换为特定频率的交流电力，并向三相电动机（350 ）。 噪声滤波器单元（305）连接在商用AC电源和转换器（310）之间，包括用于去除高频电流的正常模式电感（Ln1，Ln2）和共模电感（Lc1，Lc2）。 因此，电机控制可以控制功率因数，限制高频电流，并消除噪声分量，即输入电流的纹波分量。

公开(公告)号：WO2009023205A1

公开(公告)日：2009-02-19

申请号：PCT/US2008/009658

申请日：2008-08-13

Applicant: RAMU, INC. ,  RAMU, Krishnan

Inventor： RAMU, Krishnan

IPC: H02P1/24

CPC classification number: H02P25/092 ,  H02P2201/15 ,  Y02P80/112

Abstract: A power factor correction system includes a rectifier that rectifies the voltage of an alternating current (ac) power source to produce a voltage waveform that transitions, in a half sinusoid, from a minimum amplitude to a maximum amplitude and back to the minimum amplitude twice in the period of the ac power source. A phase winding of a motor conveys current induced by the voltage waveform, and a regulator regulates the flow of the current conveyed by the phase winding for storage as energy in a storage component.

Abstract translation: 功率因数校正系统包括整流器，其对交流（AC）电源的电压进行整流，以产生电压波形，该电压波形在半正弦曲线中从最小幅度转换到最大幅度，并返回到最小振幅两次 交流电源的周期。 电动机的相绕组传递由电压波形引起的电流，并且调节器调节由相绕组输送的电流的流量作为能量存储在存储部件中。

公开(公告)号：WO2004012238A3

公开(公告)日：2004-12-09

申请号：PCT/US0323835

申请日：2003-07-29

Applicant: INT RECTIFIER CORP

Inventor： LI YONG P ,  TAKAHASHI TOSHIO

IPC: H02M7/12 ,  H02M7/5387 ,  H02P23/00 ,  H02M7/537

CPC classification number: H02M7/5387 ,  H02P23/26 ,  H02P2201/15 ,  Y02P80/112

Abstract: A power inverter control adjusts input power to track with output power to reduce energy handling requirements for an inverter DC bus. Input power to the power inverter circuit is measured and compared with a measurement of inverter output power. The comparison result is applied to a power factor correction circuit to adjust input power to track with output power, while obtaining a good power factor for the power inverter circuit. The energy requirements and ripple voltages or ripple currents on the DC bus are reduced, leading to a reduction in rating specifications for passive energy storage elements on the DC bus.

Abstract translation: 逆变器控制器通过调节输入功率来跟踪输出功率，以降低逆变器直流母线的能量处理要求。 测量功率逆变器电路的输入功率，并与逆变器输出功率的测量结果进行比较。 比较结果应用于功率因数校正电路，以调整输入功率以跟踪输出功率，同时为功率逆变器电路获得良好的功率因数。 DC总线上的能量需求和纹波电压或纹波电流减少，导致DC总线上无源能源存储元件的额定值规格降低。

公开(公告)号：JP5039793B2

公开(公告)日：2012-10-03

申请号：JP2009546090

申请日：2007-12-14

Applicant: 三菱重工業株式会社

Inventor： 明 八杉 ,  真司 有永 ,  崇俊 松下 ,  昌明 柴田 ,  強志 若狭

IPC: H02J3/38 ,  H02P9/00

CPC classification number: F03D7/00 ,  F03D7/028 ,  F03D7/048 ,  F05B2240/40 ,  H02J3/1885 ,  H02J3/386 ,  H02P23/26 ,  H02P2201/15 ,  Y02E10/723 ,  Y02E10/763 ,  Y02E40/32

公开(公告)号：JP2011087404A

公开(公告)日：2011-04-28

申请号：JP2009238482

申请日：2009-10-15

Applicant: Toshiba Corp ,  株式会社東芝

Inventor： KAMATA YUKI ,  MASUMOTO HIROSHI ,  NAGAI HIROSHI ,  IKEDA SADAO

IPC: H02P27/06 ,  H02M7/48

CPC classification number: H02P21/50 ,  H02P2201/09 ,  H02P2201/15

Abstract: PROBLEM TO BE SOLVED: To reduce a circuit area, power consumption, and manufacturing cost of a driver circuit. SOLUTION: A power-factor improvement circuit includes: a phase angle estimation section 141 for estimating a phase angle of an input voltage to the power-factor improvement circuit from a charge current component in the amount of change in a drive voltage based on a parameter supplied from a control circuit, a voltage compensation section for compensating an error of the drive voltage, a first current estimation section 143 for estimating the amount of change of a charge current flowing to a capacitor based on a compensation result by the voltage compensation section 142 and the amount of change in the phase angle estimated by the phase angle estimation section 141, a second current estimation section 144 for estimating the amount of change in the drive current, and a calculation section 145 for calculating duty based on the amount of change in the charge current estimated by the first current estimation section 143 and the amount of change in the drive current estimated by the second current estimation section 144. COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 要解决的问题：减少驱动电路的电路面积，功耗和制造成本。 解决方案：功率因数改善电路包括：相位角估计部分141，用于基于驱动电压的变化量从充电电流分量估计与功率因数改善电路的输入电压的相位角 关于从控制电路提供的参数，用于补偿驱动电压误差的电压补偿部分，用于基于补偿结果的电压估计流向电容器的充电电流的变化量的第一电流估计部分143 补偿部142和由相位角估计部141估计的相位角的变化量，用于估计驱动电流的变化量的第二电流推定部144，以及基于该量的计算部145 由第一电流估计部143估计的充电电流的变化量和由该阈值估计的驱动电流的变化量 当前估计部分144.版权所有（C）2011，JPO＆INPIT

公开(公告)号：US12006616B2

公开(公告)日：2024-06-11

申请号：US17258149

申请日：2019-07-05

Applicant: LG ELECTRONICS INC.

Inventor： Jieon Kim ,  Jeongbin Rew ,  Junho Lee

IPC: D06F34/10 ,  D06F33/42 ,  D06F33/47 ,  D06F37/30 ,  D06F39/08 ,  F04D13/06 ,  F04D15/00 ,  H02P27/08 ,  H02P29/024 ,  D06F103/48 ,  D06F105/08 ,  D06F105/46 ,  D06F105/58 ,  D06F105/62 ,  F04D1/00

CPC classification number: D06F34/10 ,  D06F33/42 ,  D06F33/47 ,  D06F37/30 ,  D06F39/085 ,  F04D13/06 ,  F04D15/00 ,  H02P27/08 ,  H02P29/026 ,  D06F2103/48 ,  D06F2105/08 ,  D06F2105/46 ,  D06F2105/58 ,  D06F2105/62 ,  F04D1/00 ,  H02P2201/09 ,  H02P2201/15

Abstract: The present disclosure relates to a drain pump driving apparatus and a laundry treatment machine including the same. A drain pump driving apparatus according to an embodiment of the present disclosure includes: a converter; an inverter to output converted AC voltage to a drain pump motor; an output current detector to detect an output current flowing in the motor; and a controller to control the inverter, wherein in case in which the speed of the motor increases and the output current flowing in the motor decreases during a predetermined period among an operation period of the drain motor, the controller controls the inverter to be turned off. Accordingly, it is possible to protect internal circuit elements in case the motor loses its synchronism.