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1. 发明授权

US06626002B1 Controller for PWM/PAM motor, air conditioner, and method of motor control 失效
标题翻译： PWM / PAM电机控制器，空调器及电机控制方式
公开(公告)号：US06626002B1
公开(公告)日：2003-09-30
申请号：US09763593
申请日：2001-02-26
申请人： Yasuo Notohara , Yukio Kawabata , Kazuo Tahara , Makoto Ishii , Yuhachi Takakura , Hiroshi Shinozaki
发明人： Yasuo Notohara , Yukio Kawabata , Kazuo Tahara , Makoto Ishii , Yuhachi Takakura , Hiroshi Shinozaki
IPC分类号： H02P742
CPC分类号： H02P27/08 , H02M5/4585 , H02P6/085
摘要： In a motor driving unit controlled by switching to/from PWM control from/to PAM control so that the maximum limit of motor speed can be increased and, at the same time, the unit can be operated at maximum efficiency during steady-state operation, the motor speed is controlled by maintaining the DC voltage command to the converter control circuit constant, but altering the conduction ratio command value to the inverter control circuit when the load to the motor is low, and by maintaining the conduction ratio command to the inverter control circuit constant, but altering the DC voltage command to the converter control circuit. There is a commutating phase control circuit that alters the commutating timing of the coil of the motor, and the motor is so controlled that the efficiency reaches the maximum limit during steady-state operation and the speed reaches the maximum limit during high-speed operation.
摘要翻译：在通过切换到/从PAM控制的PWM控制控制的电动机驱动单元中，可以增加电动机速度的最大极限，并且同时在稳态运行期间可以以最大的效率运行单元，通过将转换器控制电路的直流电压指令保持恒定来控制电动机速度，但是当对电动机的负荷低时，将导通比指令值改变为变频器控制电路，并且通过保持与变频器控制的导通率指令电路常数，但改变直流电压命令到转换器控制电路。有一个整流相位控制电路，改变电动机线圈的整流时间，电机受到控制，使得在稳态运行期间效率达到最大极限，而高速运行时速度达到最大极限。

2. 发明授权

US06281658B1 Power factor compensation device for motor driving inverter system 有权
标题翻译：电机驱动变频器系统功率因数补偿装置
公开(公告)号：US06281658B1
公开(公告)日：2001-08-28
申请号：US09475189
申请日：1999-12-30
申请人： Gyeong-Hae Han , Jong-Ho Kim , Keon Sim , Hyung-Sang Lee , Dong-Hyuk Lee
发明人： Gyeong-Hae Han , Jong-Ho Kim , Keon Sim , Hyung-Sang Lee , Dong-Hyuk Lee
IPC分类号： H02P742
CPC分类号： H02M1/4225 , H02M2001/007 , Y02B70/126
摘要： The present invention relates to a power factor compensation device for a motor driving inverter which can improve a power factor of a voltage and a current inputted to the inverter driving a motor. The present invention detects a zero crossing point of an utility alternating current power, and outputs a driving signal corresponding to a plurality of sine wave form voltage values stored in a memory according to a detection result, when the zero crossing point of the utility alternating current power is detected in a state where the plurality of sine wave form voltage values corresponding to a voltage of the utility alternating current power and frequencies are stored in the memory. A switching transistor is switched according to the driving signal, and the voltage applied to the inverter is switched according to the switching operation, thereby improving the power factor.
摘要翻译：本发明涉及一种用于电动机驱动逆变器的功率因数补偿装置，其可以改善输入到驱动电动机的变频器的电压和电流的功率因数。本发明检测公用交流电力的过零点，并根据检测结果输出与存储在存储器中的多个正弦波形电压值相对应的驱动信号，当公用交流电的过零点在多个正弦波形成与电力交流电力和频率的电压对应的电压值被存储在存储器中的状态下被检测到电力。根据驱动信号切换开关晶体管，并且根据开关操作切换施加到逆变器的电压，从而提高功率因数。

3. 发明授权

US06577097B2 Method and system for controlling a synchronous machine using a changeable cycle-conduction angle 有权
标题翻译：使用可变周期导通角控制同步电机的方法和系统
公开(公告)号：US06577097B2
公开(公告)日：2003-06-10
申请号：US09928613
申请日：2001-08-13
申请人： Ronald John Krefta , Tillasthanam V. Sriram
发明人： Ronald John Krefta , Tillasthanam V. Sriram
IPC分类号： H02P742
CPC分类号： H02K16/02 , F02N11/00 , F02N2011/0874 , H02K19/22 , H02K21/14 , H02P6/15
摘要： Method and system for controlling a synchronous machine including a polyphase stator are provided. The machine may be used in a piece of equipment respectively as a generator and as a motor for starting an engine in the piece of equipment. The method allows to sense rotor position of the machine using a sensor assembly configured to supply a respective stream of pulses indicative of rotor position relative to each phase of the machine. The method further allows to process each stream of pulses from the sensor assembly to generate a first set of inverter control signals. The first set of inverter control signals is applied to an inverter circuit coupled to energize the phases of the stator to start the machine. The first set of control signals is configured to provide a first cycle-conduction angle relative to the zero-crossings of the respective phase EMF voltages of the machine to produce a sufficiently high level of torque during start of the machine. Upon the rotor reaching a predefined rotor speed value, each stream of pulses from the sensor assembly is processed to generate a second set of inverter control signals. The second set of inverter control signals is applied to the inverter circuit to energize the phases of the stator. The second set of control signals is configured to provide a second cycle-conduction angle relative to the zero-crossings of the respective phase EMF voltages of the machine to enable a sufficiently high rotor speed and thus facilitate the occurrence of a successful cranking event for the engine of the piece of equipment.
摘要翻译：提供了一种用于控制包括多相定子的同步电机的方法和系统。该机器可以分别作为发电机使用在一件设备中，并用作在该设备中起动发动机的电动机。该方法允许使用传感器组件来感测机器的转子位置，传感器组件被配置为提供相对于机器的每个相位的指示转子位置的相应脉冲流。该方法还允许处理来自传感器组件的每个脉冲流以产生第一组逆变器控制信号。第一组变频器控制信号被施加到逆变器电路，该反相器电路被耦合以激励定子的相位以启动机器。第一组控制信号被配置为相对于机器的各个相电压电压的过零点提供第一周期导通角，以在机器启动期间产生足够高的转矩水平。当转子达到预定的转子速度值时，处理来自传感器组件的每个脉冲流以产生第二组逆变器控制信号。第二组变频器控制信号被施加到逆变器电路以使定子的相通电。第二组控制信号被配置为相对于机器的各个相电压电压的过零点提供第二周期导通角，以实现足够高的转子速度，从而有助于发生成功的起动事件发动机的设备。

4. 发明授权

US06437535B1 Starting system and method for a microturbine power generation unit 失效
标题翻译：微型发电机组起动系统和方法
公开(公告)号：US06437535B1
公开(公告)日：2002-08-20
申请号：US09617954
申请日：2000-09-25
申请人： Gautam Sinha
发明人： Gautam Sinha
IPC分类号： H02P742
CPC分类号： H02P9/08 , F02C7/266 , F02C7/268 , F05D2250/82
摘要： A power electrical system is disclosed for a microturbine power generator. The invention permits the microturbine to be started using an external DC power source. The DC voltage is converted to a variable DC voltage by means of a bi-directional buck-boost circuit, DC bus and a DC-to-AC converter. The DC-to-AC converter produces at its output a fixed voltage pattern whose frequency is gradually increased in concert with the DC voltage, to accelerate the microturbine from standstill to startup speed. Once the microturbine is started, the excitation is discontinued, and the DC bus and DC-to-AC are used to produce output AC power at a voltage level and frequency to match an electrical load.
摘要翻译：公开了用于微型涡轮发电机的电力电力系统。本发明允许微型涡轮机使用外部DC电源启动。通过双向降压 - 升压电路，DC总线和DC-AC转换器将直流电压转换为可变直流电压。 DC-AC转换器在其输出端产生固定电压模式，其频率与直流电压一致地逐渐增加，以将微型涡轮机从静止加速到启动速度。一旦启动了微型涡轮机，则停止激励，直流母线和直流到交流电用于产生输出交流电源，电压电平和频率与电气负载相匹配。

5. 发明授权

US06646411B2 Control method of compressor motor and inverter equipped with the same method 有权
公开(公告)号：US06646411B2
公开(公告)日：2003-11-11
申请号：US10012417
申请日：2001-12-12
申请人： Daisuke Hirono , Ichirou Kuwabara , Yuuji Yoshii
发明人： Daisuke Hirono , Ichirou Kuwabara , Yuuji Yoshii
IPC分类号： H02P742
CPC分类号： H02P3/18 , H02P23/28
摘要： A control device for a compressor motor and an inverter according to the present invention monitors the amplitude of a phase current of a three-phase DC motor. As the amplitude of the phase current approaches an overload condition of the inverter or motor, the control device decreases the rotational velocity of the motor by a predetermined rotational deceleration. By reducing the rotational velocity of the motor by a certain deceleration, the control device of the present invention ensures that the motor load, i.e., the amplitude of the phase current, does not reach or exceed an overload condition. By use of this device, it is possible to suppress or reduce effectively the frequency of motor stops caused by an increase in the phase current.

6. 发明授权

US06278256B1 Electric vehicle control system for controlling a permanent magnet motor which drives the electric vehicle 失效
标题翻译：用于控制驱动电动车辆的永磁电动机的电动车辆控制系统
公开(公告)号：US06278256B1
公开(公告)日：2001-08-21
申请号：US08571298
申请日：1995-12-12
申请人： Ikuya Aoyama
发明人： Ikuya Aoyama
IPC分类号： H02P742
CPC分类号： B60L3/003 , B60L3/0069 , B60L3/0092 , B60L9/22 , B60L2200/26 , B60L2210/20 , B60L2220/14 , Y02T10/725
摘要： An electric vehicle control system for controlling an electric vehicle. The electric vehicle control system includes an inverter adapted to receive DC power from an overhead power line for converting the DC power into three-phase AC power, a permanent magnetic synchronous motor connected to receive the three-phase AC power from the inverter for driving the electric vehicle, a control device for generating an opening signal based on a malfunction signal from the inverter or an operating instruction, and an opening device connected to receive the opening signal from the control device for opening the connection between the inverter and the permanent magnetic synchronous motor.
摘要翻译：一种用于控制电动车辆的电动车辆控制系统。电动车辆控制系统包括：逆变器，适于从用于将DC电力转换为三相AC电力的架空电力线路接收DC电力;永磁同步电动机，连接以从逆变器接收三相交流电力，用于驱动电动车辆，用于根据来自逆变器的故障信号或操作指令产生开启信号的控制装置，以及连接以接收来自控制装置的打开信号的打开装置，用于打开逆变器与永磁同步之间的连接发动机。

7. 发明授权

US06525506B2 Current limit circuit of inverter refrigerator 有权
标题翻译：变频冰箱限流电路
公开(公告)号：US06525506B2
公开(公告)日：2003-02-25
申请号：US09764754
申请日：2001-01-18
申请人： Byeng Yeob Jin
发明人： Byeng Yeob Jin
IPC分类号： H02P742
CPC分类号： H02P29/02 , H02P6/28
摘要： The present invention relates to a current limit circuit of an inverter refrigerator. The present invention comprises a current limit unit for outputting a current limit signal by comparing an excess current generation due to load change with a limit current level set in advance. Accordingly, the present invention can extend life span of a compressor by protecting a BLDC motor from the excess current and reducing permanent magnet demagnetization due to the excess current. In addition, the present invention can improve a mobility of a motor by maintaining uniform torque with stable current in the operation, and can operate a compressor stably without turning off by a momentary excess current in the compressor operation.
摘要翻译：本发明涉及逆变器冰箱的限流电路。本发明包括一个电流限制单元，用于通过将由于负载变化引起的过电流产生与预先设定的限制电流电平进行比较来输出限流信号。因此，本发明可以通过保护BLDC电动机免受过电流而延长压缩机的使用寿命，并减少由于过电流引起的永久磁铁退磁。此外，本发明可以通过在运行中保持稳定的电流维持均匀的转矩来提高电动机的移动性，并且可以稳定地操作压缩机，而不会在压缩机操作中由于瞬时的过大电流而关闭。

8. 发明授权

US06462506B2 Electric golf car with low-speed regenerative braking 有权
标题翻译：电动高尔夫球车低速再生制动
公开(公告)号：US06462506B2
公开(公告)日：2002-10-08
申请号：US09736657
申请日：2000-12-14
申请人： John Cochoy , Carlton W. Hearn
发明人： John Cochoy , Carlton W. Hearn
IPC分类号： H02P742
CPC分类号： B60L7/003 , B60L7/12 , B60L11/1805 , B60L2200/22 , Y02T10/7005
摘要： A control system for an electric vehicle, such as a golf car, that includes a plurality of power MOSFETs. The vehicle includes a shunt wound motor including an armature coil and a field coil. One of the MOSFETs is connected in parallel across the armature coil and another MOSFET is connected in series with the armature coil. The MOSFET across the armature coil includes a freewheel diode. When the motor is operating below its base speed, i.e., when the back EMF is below the power supply voltage, a current flow can be induced by momentarily turning on the series MOSFET, shorting the armature coil. Because of the residual inductance in the motor, a current flow in the counter clockwise direction is initiated at which point the series MOSFET is turned off. Consequently, a large voltage spike across the motor occurs which results in current flow back into the battery pack. By quickly turning the series MOSFET on and off the current flow can be maintained, and the regenerative braking can occur even at slow speeds. The control system also allows the vehicle to be operated at speeds below its base speed, and provide field current control by measuring the armature current in the negative quadrant of the field map.
摘要翻译：一种用于诸如高尔夫球车的电动车辆的控制系统，其包括多个功率MOSFET。车辆包括包括电枢线圈和励磁线圈的并联绕组电动机。其中一个MOSFET并联在电枢线圈上，另一个MOSFET与电枢线圈串联连接。跨越电枢线圈的MOSFET包括续流二极管。当电动机工作低于其基本速度时，即当反电动势低于电源电压时，可以通过瞬时接通串联MOSFET来引起电流流动，使电枢线圈短路。由于电动机中的剩余电感，起始逆时针方向的电流流过，串联MOSFET被断开。因此，电机上出现大的电压尖峰，导致电流回流到电池组中。通过快速打开和关闭串联MOSFET可以保持电流，即使在低速下也可能发生再生制动。控制系统还允许车辆以低于其基本速度的速度运行，并且通过测量场地图的负象限中的电枢电流来提供励磁电流控制。

9. 发明授权

US06252372B1 Method and system for varying and regulating a motor speed 失效
标题翻译：改变和调节电机转速的方法和系统
公开(公告)号：US06252372B1
公开(公告)日：2001-06-26
申请号：US09485537
申请日：2000-03-30
申请人： Mustapha Arroubi , Jean-Luc Alain Henri Leroy
发明人： Mustapha Arroubi , Jean-Luc Alain Henri Leroy
IPC分类号： H02P742
CPC分类号： H02P25/04 , H02P25/145
摘要： The invention concerns a method for varying and regulating the speed of a motor powered from a voltage source via a triac, comprising, at least once every alternating voltage interval, the following steps: computing a surface value (SI) corresponding to the current absorbed (I(M)) in a time window (FT) defined between a current switching-on time (ti) and a following current switching-off time (tf); computing an interval of the next triac-blocking time (t′); and controlling the starting of the triac when the blocking time (t′) has elapsed. The invention is useful in particular for household electric and house automation appliances operating at variable speed.
摘要翻译：本发明涉及一种用于改变和调节通过三端双向可控硅开关元件从电压源供电的电动机的速度的方法，该方法包括至少每交流电压间隔一次以下步骤：计算对应于电流吸收的表面值（SI） I（M））在当前接通时间（ti）和随后的电流关断时间（tf）之间定义的时间窗（FT）中; 计算下一个三端双向可控制闭锁时间（t'）的间隔; 并且当阻塞时间（t'）过去时控制三端双向可控硅开关。本发明特别适用于以可变速度操作的家用电气和房屋自动化设备。

10. 发明授权

US06686719B2 Electric golf car with low-speed regenerative braking 失效
标题翻译：电动高尔夫球车低速再生制动
公开(公告)号：US06686719B2
公开(公告)日：2004-02-03
申请号：US10262224
申请日：2002-10-01
申请人： John Cochoy , Carlton W. Hearn
发明人： John Cochoy , Carlton W. Hearn
IPC分类号： H02P742
CPC分类号： B60L7/003 , B60L7/12 , B60L11/1805 , B60L2200/22 , Y02T10/7005
摘要： A control system for an electric vehicle, such as a golf car, that includes a plurality of power MOSFETs. The vehicle includes a shunt wound motor including an armature coil and a field coil. One of the MOSFETs is connected in parallel across the armature coil and another MOSFET is connected in series with the armature coil. The MOSFET across the armature coil includes a freewheel diode. When the motor is operating below its base speed, i.e., when the back EMF is below the power supply voltage, a current flow can be induced by momentarily turning on the series MOSFET, shorting the armature coil. Because of the residual inductance in the motor, a current flow in the counter clockwise direction is initiated at which point the series MOSFET is turned off. Consequently, a large voltage spike across the motor occurs which results in current flow back into the battery pack. By quickly turning the series MOSFET on and off the current flow can be maintained, and the regenerative braking can occur even at slow speeds. The control system also allows the vehicle to be operated at speeds below its base speed, and provide field current control by measuring the armature current in the negative quadrant of the field map.
摘要翻译：一种用于诸如高尔夫球车的电动车辆的控制系统，其包括多个功率MOSFET。车辆包括包括电枢线圈和励磁线圈的并联绕组电动机。其中一个MOSFET并联在电枢线圈上，另一个MOSFET与电枢线圈串联连接。跨越电枢线圈的MOSFET包括续流二极管。当电动机工作低于其基本速度时，即当反电动势低于电源电压时，可以通过瞬时接通串联MOSFET来引起电流流动，使电枢线圈短路。由于电动机中的剩余电感，起始逆时针方向的电流流过，串联MOSFET被断开。因此，电机上出现大的电压尖峰，导致电流回流到电池组中。通过快速打开和关闭串联MOSFET可以保持电流，即使在低速下也可能发生再生制动。控制系统还允许车辆以低于其基本速度的速度运行，并且通过测量场地图的负象限中的电枢电流来提供励磁电流控制。

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