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公开(公告)号：US09024559B2
公开(公告)日：2015-05-05
申请号：US13640322
申请日：2010-05-04
CPC分类号： H03K17/168 , H02P27/06 , H03K17/107 , H03K17/127 , H03K17/163
摘要： A converter module for a variable speed drive having a semiconductor device for precharge is described. The precharge circuit includes switching modules, one switching module with a first semiconductor switch connected in parallel or series with a second semiconductor switch. The second semiconductor switch is switched on and off during the precharge operation in order to limit the inrush current into the DC Link. After the precharge operation, the second semiconductor switch is turned on all the time and acts like a diode. The second semiconductor device may have a lower maximum current rating than the main semi-conductor devices. The lower current rated semiconductor device experience the same short circuit current as the higher current rated semiconductor device. The lower current rated semiconductor device can be supplied with a larger gate to emitter voltage than the higher current rated semiconductor device to equalize current between semiconductor devices.
摘要翻译： 描述了一种用于具有用于预充电的半导体器件的变速驱动器的转换器模块。 预充电电路包括开关模块，一个开关模块，其具有与第二半导体开关并联或串联连接的第一半导体开关。 在预充电操作期间，第二半导体开关被接通和关断，以限制进入DC Link的浪涌电流。 在预充电操作之后，第二半导体开关始终导通，并且起二极管的作用。 第二半导体器件可以具有比主半导体器件更低的最大电流额定值。 较低电流额定值的半导体器件具有与较高电流额定值的半导体器件相同的短路电流。 较低额定电流的半导体器件可以提供比较高电流额定半导体器件更大的栅极至发射极电压，以均衡半导体器件之间的电流。
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公开(公告)号：US08286439B2
公开(公告)日：2012-10-16
申请号：US12572883
申请日：2009-10-02
申请人： Zhiqiao Wu , Ivan Jadric , Michael S. Todd , Justin Drew Warner , Shreesha Adiga Manoor , Konstantin Borisov , Scott Victor Slothower , Kanishk Dubey , John C. Hansen
发明人： Zhiqiao Wu , Ivan Jadric , Michael S. Todd , Justin Drew Warner , Shreesha Adiga Manoor , Konstantin Borisov , Scott Victor Slothower , Kanishk Dubey , John C. Hansen
IPC分类号： F25B49/00
CPC分类号： H02P6/085 , F25B49/025 , F25B2600/0253 , Y02B30/741
摘要： A drive system for a compressor of a chiller system includes a variable speed drive. The variable speed drive is arranged to receive an input AC power at a fixed AC input voltage and fixed input frequency and provide an output AC power at a variable voltage and variable frequency. The variable speed drive includes a converter connected to an AC power source providing the input AC voltage. The converter is arranged to convert the input AC voltage to a DC voltage. A DC link is connected to the converter. The DC link is arranged to filter and store the DC voltage from the converter. A first inverter and a second inverter are each connected to the DC link. A motor includes stator windings connected between the first inverter and the second inverter to power the motor by the output AC power from the first inverter and the second inverter. The motor is connectable to a compressor of the chiller system to power the compressor. The motor may be a permanent magnet synchronous motor.
摘要翻译： 用于冷却器系统的压缩机的驱动系统包括变速驱动器。 变速驱动器设置为以固定的AC输入电压和固定的输入频率接收输入AC电力，并以可变电压和可变频率提供输出AC电力。 变速驱动器包括连接到提供输入AC电压的AC电源的转换器。 该转换器被布置成将输入的AC电压转换成DC电压。 直流母线连接到转换器。 DC链路被布置为过滤和存储来自转换器的DC电压。 第一反相器和第二反相器各自连接到DC链路。 电动机包括连接在第一逆变器和第二逆变器之间的定子绕组，以通过来自第一逆变器和第二逆变器的输出AC电力为电动机供电。 电机可连接到冷却器系统的压缩机，为压缩机供电。 电动机可以是永磁同步电动机。
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公开(公告)号：US08258664B2
公开(公告)日：2012-09-04
申请号：US12572947
申请日：2009-10-02
申请人： Justin D. Warner , Ivan Jadric , Michael S. Todd , Zhiqiao Wu , Shreesha Adiga Manoor , Konstantin Borisov , Scott Victor Slothower , Kanishk Dubey , John C. Hansen
发明人： Justin D. Warner , Ivan Jadric , Michael S. Todd , Zhiqiao Wu , Shreesha Adiga Manoor , Konstantin Borisov , Scott Victor Slothower , Kanishk Dubey , John C. Hansen
IPC分类号： H02K21/00
CPC分类号： H02P6/085 , F25B49/025 , F25B2600/0253 , Y02B30/741
摘要： A hybrid motor for powering a compressor of a chiller system includes a first rotor portion and a first stator portion configured as a permanent magnet motor and a second rotor portion and a second stator portion configured as a reluctance motor. The second rotor portion includes a reluctance-type rotor, and the second stator portion includes electromagnetic windings capable of inducing a rotary magnetic field. The first rotor portion and the second rotor portion are attached to a common drive shaft. The reluctance motor is arranged to generate start-up torque and initiate rotation of the drive shaft until the drive shaft achieves a predetermined rotational speed. The permanent magnet motor is arranged to power the drive shaft between the predetermined rotational speed and a maximum rotational speed.
摘要翻译： 用于为制冷机系统的压缩机供电的混合式电动机包括第一转子部分和构造为永磁电动机的第一定子部分和被构造为磁阻电动机的第二转子部分和第二定子部分。 第二转子部分包括磁阻型转子，第二定子部分包括能够引起旋转磁场的电磁绕组。 第一转子部分和第二转子部分附接到公共驱动轴。 磁阻马达被布置成产生启动扭矩并且启动驱动轴的旋转，直到驱动轴达到预定旋转速度。 永磁电动机被布置成在预定转速和最大转速之间为驱动轴提供动力。
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公开(公告)号：US08193756B2
公开(公告)日：2012-06-05
申请号：US12572864
申请日：2009-10-02
申请人： Ivan Jadric , Zhiqiao Wu , Michael S. Todd , Justin Drew Warner , Shreesha Adiga Manoor , Konstantin Borisov , Scott Victor Slothower , Kanishk Dubey , John C. Hansen
发明人： Ivan Jadric , Zhiqiao Wu , Michael S. Todd , Justin Drew Warner , Shreesha Adiga Manoor , Konstantin Borisov , Scott Victor Slothower , Kanishk Dubey , John C. Hansen
CPC分类号： H02P6/085 , F25B49/025 , F25B2600/0253 , Y02B30/741
摘要： A drive system for a compressor of a chiller system includes a variable speed drive. The variable speed drive is arranged to receive an input AC voltage at a fixed AC input voltage and provide an output AC power at a variable voltage and variable frequency. The variable speed drive includes a converter connected to an AC power source providing the input AC voltage. The converter is arranged to convert the input AC voltage to a DC voltage. A DC link is connected to the converter. The DC link filters and stores the DC voltage from the converter. An inverter is connected to the DC link. A motor connectable to the compressor for powering the compressor. An active filter connected in parallel with the motor. The active filter is arranged to generate high frequency currents having a magnitude and opposite polarity, with respect to the output AC power of the variable speed drive. The high frequency currents generated by active filter substantially cancel out high frequency currents flowing into the motor.
摘要翻译： 用于冷却器系统的压缩机的驱动系统包括变速驱动器。 变速驱动器设置为以固定的AC输入电压接收输入AC电压，并以可变电压和可变频率提供输出AC电力。 变速驱动器包括连接到提供输入AC电压的AC电源的转换器。 该转换器被布置成将输入的AC电压转换成DC电压。 直流母线连接到转换器。 直流链路过滤并存储转换器的直流电压。 逆变器连接到直流链路。 可连接到压缩机的电机为压缩机供电。 与电机并联连接的有源滤波器。 有源滤波器被布置成产生相对于变速驱动器的输出AC功率具有幅度和相反极性的高频电流。 由有源滤波器产生的高频电流基本抵消流入电动机的高频电流。
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公开(公告)号：US20130026958A1
公开(公告)日：2013-01-31
申请号：US13640322
申请日：2010-05-04
IPC分类号： H02P27/00
CPC分类号： H03K17/168 , H02P27/06 , H03K17/107 , H03K17/127 , H03K17/163
摘要： A converter module for a variable speed drive having a semiconductor device for precharge is described. The precharge circuit includes switching modules, one switching module with a first semiconductor switch connected in parallel or series with a second semiconductor switch. The second semiconductor switch is switched on and off during the precharge operation in order to limit the inrush current into the DC Link. After the precharge operation, the second semiconductor switch is turned on all the time and acts like a diode. The second semiconductor device may have a lower maximum current rating than the main semi-conductor devices. The lower current rated semiconductor device experience the same short circuit current as the higher current rated semiconductor device. The lower current rated semiconductor device can be supplied with a larger gate to emitter voltage than the higher current rated semiconductor device to equalize current between semiconductor devices.
摘要翻译： 描述了一种用于具有用于预充电的半导体器件的变速驱动器的转换器模块。 预充电电路包括开关模块，一个开关模块，其具有与第二半导体开关并联或串联连接的第一半导体开关。 在预充电操作期间，第二半导体开关被接通和关断，以限制进入DC Link的浪涌电流。 在预充电操作之后，第二半导体开关始终导通，并且起二极管的作用。 第二半导体器件可以具有比主半导体器件更低的最大电流额定值。 较低电流额定值的半导体器件具有与较高电流额定值的半导体器件相同的短路电流。 较低额定电流的半导体器件可以提供比较高电流额定半导体器件更大的栅极至发射极电压，以均衡半导体器件之间的电流。
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公开(公告)号：US08336323B2
公开(公告)日：2012-12-25
申请号：US12572915
申请日：2009-10-02
申请人： Konstantin Borisov , Zhiqiao Wu , Michael S. Todd , Justin Drew Warner , Shreesha Adiga Manoor , Ivan Jadric , Scott Victor Slothower , Kanishk Dubey , John C. Hansen
发明人： Konstantin Borisov , Zhiqiao Wu , Michael S. Todd , Justin Drew Warner , Shreesha Adiga Manoor , Ivan Jadric , Scott Victor Slothower , Kanishk Dubey , John C. Hansen
IPC分类号： F25B49/00
CPC分类号： H02P6/085 , F25B49/025 , F25B2600/0253 , Y02B30/741
摘要： A drive system for a compressor of a chiller system includes a variable speed drive. The variable speed drive receives an input AC power at a fixed input AC voltage and a fixed input frequency, and provides an output AC power at a variable voltage and variable frequency. The variable speed drive includes a converter connected to an AC power source. The converter is arranged to convert the input AC voltage to a DC voltage. A DC link is connected to the converter and configured to filter and store the DC voltage from the converter. An inverter is connected to the DC link. A motor is connectable to the compressor for powering the compressor. A controller is arranged to control switching in the converter and the inverter. The controller is arranged to apply randomized pulse width modulation to vary the switching frequency of transistors in the converter and the inverter at each switching cycle. The motor may be a permanent magnet synchronous motor.
摘要翻译： 用于冷却器系统的压缩机的驱动系统包括变速驱动器。 变速驱动器以固定的输入交流电压和固定的输入频率接收输入的交流电力，并提供可变电压和可变频率的输出AC电力。 变速驱动器包括连接到AC电源的转换器。 该转换器被布置成将输入的AC电压转换成DC电压。 直流链路连接到转换器，并配置为对转换器的直流电压进行滤波和存储。 逆变器连接到直流链路。 电动机可连接到压缩机以为压缩机供电。 控制器被设置为控制转换器和逆变器中的开关。 控制器被布置为在每个开关周期中应用随机脉冲宽度调制以改变转换器和逆变器中的晶体管的开关频率。 电动机可以是永磁同步电动机。
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公开(公告)号：US20110101907A1
公开(公告)日：2011-05-05
申请号：US12999818
申请日：2009-07-08
CPC分类号： H01L23/34 , H01L23/473 , H01L23/50 , H01L25/072 , H01L2224/48227 , H01L2224/85424 , H01L2224/85439 , H01L2224/85444 , H01L2224/85447 , H01L2224/85469 , H01L2924/13034 , H01L2924/1305 , H01L2924/13055 , H01L2924/13091 , H05K1/0215 , H05K1/0306 , H05K1/162 , H05K3/0061 , H05K3/341 , H05K7/1432 , H05K2201/10166
摘要： A grounding system for a semiconductor module of a variable speed drive includes a first conductive layer, a second conductive layer; a substrate disposed between the first conductive layer and the second conductive layer; and a base attached to the second conductive layer, the base being connected to earth ground via a grounding harness. The first conductive layer is in electrical contact with the semiconductor module and the substrate, and electrically insulated from the second conductive layer by the substrate. The second conductive layer is in electrical contact with the substrate and disposed between the substrate and the base in electrical communication with an earth ground. The first conductive layer, the substrate and the second conductive layer form a capacitance path between the semiconductor module and the base as well as electrical conductors and the base for reduction circulating currents within the semiconductor module.
摘要翻译： 用于变速驱动器的半导体模块的接地系统包括第一导电层，第二导电层; 设置在所述第一导电层和所述第二导电层之间的衬底; 以及附接到所述第二导电层的基座，所述基座经由接地线束连接到大地。 第一导电层与半导体模块和衬底电接触，并且通过衬底与第二导电层电绝缘。 第二导电层与衬底电接触并且设置在与地面电连通的衬底和基底之间。 第一导电层，衬底和第二导电层在半导体模块和基底之间形成电容路径，以及电导体和用于还原半导体模块内的循环电流的基极。
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公开(公告)号：US08735955B2
公开(公告)日：2014-05-27
申请号：US12999818
申请日：2009-07-08
IPC分类号： H01L27/108 , H01L29/66 , H01L23/52
CPC分类号： H01L23/34 , H01L23/473 , H01L23/50 , H01L25/072 , H01L2224/48227 , H01L2224/85424 , H01L2224/85439 , H01L2224/85444 , H01L2224/85447 , H01L2224/85469 , H01L2924/13034 , H01L2924/1305 , H01L2924/13055 , H01L2924/13091 , H05K1/0215 , H05K1/0306 , H05K1/162 , H05K3/0061 , H05K3/341 , H05K7/1432 , H05K2201/10166
摘要： A grounding system for a semiconductor module of a variable speed drive includes a first conductive layer, a second conductive layer; a substrate disposed between the first conductive layer and the second conductive layer; and a base attached to the second conductive layer, the base being connected to earth ground via a grounding harness. The first conductive layer is in electrical contact with the semiconductor module and the substrate, and electrically insulated from the second conductive layer by the substrate. The second conductive layer is in electrical contact with the substrate and disposed between the substrate and the base in electrical communication with an earth ground. The first conductive layer, the substrate and the second conductive layer form a capacitance path between the semiconductor module and the base as well as electrical conductors and the base for reduction circulating currents within the semiconductor module.
摘要翻译： 用于变速驱动器的半导体模块的接地系统包括第一导电层，第二导电层; 设置在所述第一导电层和所述第二导电层之间的衬底; 以及附接到所述第二导电层的基座，所述基座经由接地线束连接到大地。 第一导电层与半导体模块和衬底电接触，并且通过衬底与第二导电层电绝缘。 第二导电层与衬底电接触并且设置在与地面电连通的衬底和基底之间。 第一导电层，衬底和第二导电层在半导体模块和基底之间形成电容路径，以及电导体和用于还原半导体模块内的循环电流的基极。
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公开(公告)号：US08353174B1
公开(公告)日：2013-01-15
申请号：US12572975
申请日：2009-10-02
申请人： Ivan Jadric , Zhiqiao Wu , Michael S. Todd , Justin Drew Warner , Shreesha Adiga Manoor , Konstantin Borisov , Scott Victor Slothower , Kanishk Dubey , John C. Hansen
发明人： Ivan Jadric , Zhiqiao Wu , Michael S. Todd , Justin Drew Warner , Shreesha Adiga Manoor , Konstantin Borisov , Scott Victor Slothower , Kanishk Dubey , John C. Hansen
CPC分类号： H02P6/085 , F25B49/025 , F25B2600/0253 , Y02B30/741
摘要： A chiller system is provided with a compressor, a condenser, and an evaporator connected in a closed refrigerant loop. A motor is connected to the compressor to power the compressor. A variable speed drive is connected to the motor. The variable speed drive is arranged to receive an input AC power at a fixed input AC voltage and a fixed input frequency and provide an output power at a variable voltage and variable frequency to the motor. The variable voltage has a maximum voltage greater in magnitude than the fixed input AC voltage and the variable frequency has a maximum frequency greater than the fixed input frequency. The variable speed drive includes a converter connected to an AC power source providing the input AC voltage, the converter is arranged to convert the input AC voltage to a DC voltage. A DC link is connected to the converter. The DC link is arranged to filter and store the DC voltage from the converter. An inverter is connected to the DC link. A controller is arranged to reference a first operating map associated with the compressor, a second operating map associated with the motor, and a third operating map associated with the variable speed drive. The controller further is arranged to analyze the first operating map second operating map and third operating map concurrently to select an operating point for the chiller system.
摘要翻译： 冷却器系统设置有连接在闭合制冷剂回路中的压缩机，冷凝器和蒸发器。 电动机连接到压缩机以为压缩机供电。 变速驱动器连接到电机。 变速驱动器被设置为以固定的输入AC电压和固定的输入频率接收输入AC电力，并且向电动机提供可变电压和可变频率的输出功率。 可变电压具有比固定输入AC电压更大的最大电压，并且可变频率具有大于固定输入频率的最大频率。 变速驱动器包括连接到提供输入AC电压的AC电源的转换器，转换器被布置成将输入AC电压转换为DC电压。 直流母线连接到转换器。 DC链路被布置为过滤和存储来自转换器的DC电压。 逆变器连接到直流链路。 控制器被布置为引用与压缩机相关联的第一操作图，与电动机相关联的第二操作图和与变速驱动器相关联的第三操作图。 控制器还被配置成同时分析第一操作图第二操作图和第三操作图以选择冷却器系统的操作点。
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公开(公告)号：US20100083693A1
公开(公告)日：2010-04-08
申请号：US12572915
申请日：2009-10-02
申请人： Michael S. Todd , Zhiqiao Wu , Kanishk Dubey , Justin Drew Warner , Konstantin Borisov , Scott V. Slothower , John C. Hansen , Ivan Jadric , Shreesha Adiga-Manoor
发明人： Michael S. Todd , Zhiqiao Wu , Kanishk Dubey , Justin Drew Warner , Konstantin Borisov , Scott V. Slothower , John C. Hansen , Ivan Jadric , Shreesha Adiga-Manoor
CPC分类号： H02P6/085 , F25B49/025 , F25B2600/0253 , Y02B30/741
摘要： A drive system for a compressor of a chiller system includes a variable speed drive. The variable speed drive receives an input AC power at a fixed input AC voltage and a fixed input frequency, and provides an output AC power at a variable voltage and variable frequency. The variable speed drive includes a converter connected to an AC power source. The converter is arranged to convert the input AC voltage to a DC voltage. A DC link is connected to the converter and configured to filter and store the DC voltage from the converter. An inverter is connected to the DC link. A motor is connectable to the compressor for powering the compressor. A controller is arranged to control switching in the converter and the inverter. The controller is arranged to apply randomized pulse width modulation to vary the switching frequency of transistors in the converter and the inverter at each switching cycle. The motor may be a permanent magnet synchronous motor.
摘要翻译： 用于冷却器系统的压缩机的驱动系统包括变速驱动器。 变速驱动器以固定的输入交流电压和固定的输入频率接收输入的交流电力，并提供可变电压和可变频率的输出AC电力。 变速驱动器包括连接到AC电源的转换器。 该转换器被布置成将输入的AC电压转换成DC电压。 直流链路连接到转换器，并配置为对转换器的直流电压进行滤波和存储。 逆变器连接到直流链路。 电动机可连接到压缩机以为压缩机供电。 控制器被设置为控制转换器和逆变器中的开关。 控制器被布置为在每个开关周期中应用随机脉冲宽度调制以改变转换器和逆变器中的晶体管的开关频率。 电动机可以是永磁同步电动机。
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