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公开(公告)号：US09001542B2
公开(公告)日：2015-04-07
申请号：US13775255
申请日：2013-02-25
CPC分类号： H02M7/537 , H02M1/44 , H02M7/5387 , H02M2001/123
摘要： A current-source power converting apparatus according to an embodiment includes an inverter and a drive controller. The inverter includes, in every output phase, a plurality of switching elements that are serially connected between the positive pole and the negative pole of a direct current source. The drive controller controls the inverter in accordance with a current command in an output mode of controlling the switching elements of different output phases for supplying current between the output phases and a short circuit mode of controlling the switching elements of the same output phase. An output phase in which the drive controller executes the short circuit mode is an output phase whose phase voltage or phase current has the minimum absolute value.
摘要翻译： 根据实施例的电流源功率转换装置包括逆变器和驱动控制器。 逆变器在每个输出相中包括串联连接在直流电源的正极和负极之间的多个开关元件。 驱动控制器根据控制不同输出相位的开关元件的输出模式中的电流指令来控制逆变器，以提供输出相之间的电流以及控制相同输出相位的开关元件的短路模式。 驱动控制器执行短路模式的输出相位是其相电压或相电流具有最小绝对值的输出相位。
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公开(公告)号：US09712079B2
公开(公告)日：2017-07-18
申请号：US14541029
申请日：2014-11-13
CPC分类号： H02M7/219 , H02M5/272 , H02M7/48 , H02M7/5395 , H02M7/797 , H02M2001/123
摘要： An electric power converter according to an embodiment includes a switching unit, a controller, and a second bidirectional switch. The switching unit includes a plurality of first bidirectional switches disposed between a DC power source and an AC load or between a DC load and an AC power source. The controller controls the switching unit to perform power conversion between DC power and AC power. When turning off the second bidirectional switch disposed on a path between one pole of the DC power source or the DC load and the switching unit, the controller turns on the first bidirectional switch connected between the other pole of the DC power source and the AC load or between the other pole of the DC load and the AC power source.
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公开(公告)号：US09136774B2
公开(公告)日：2015-09-15
申请号：US13776709
申请日：2013-02-26
发明人： Katsutoshi Yamanaka
IPC分类号： H02M5/458 , H02M5/297 , H02M1/12 , H02M1/00 , H02M7/5387
CPC分类号： H02M5/4585 , H02M1/12 , H02M5/297 , H02M5/458 , H02M2001/0012 , H02M2007/53876
摘要： A power converting apparatus according to an embodiment includes a controller that controls a power converter. The controller includes a first signal generator which generates switch drive signals for AC-to-DC conversion, a second signal generator which generates switch drive signals for DC-to-AC conversion, and a drive signal generator which generates, in accordance with the switch drive signals for AC-to-DC conversion and the switch drive signals for DC-to-AC conversion, switch drive signals for controlling the power converter. The first signal generator and the second signal generator operate in synchronization with each other.
摘要翻译： 根据实施例的电力转换装置包括控制功率转换器的控制器。 控制器包括产生用于AC-DC转换的开关驱动信号的第一信号发生器，产生用于DC-AC转换的开关驱动信号的第二信号发生器，以及根据开关产生的驱动信号发生器 用于AC到DC转换的驱动信号和用于DC到AC转换的开关驱动信号，用于控制功率转换器的开关驱动信号。 第一信号发生器和第二信号发生器彼此同步地操作。
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公开(公告)号：US09036387B2
公开(公告)日：2015-05-19
申请号：US13645709
申请日：2012-10-05
CPC分类号： H02M1/4225 , H02M7/219 , H02M2001/0054 , Y02B70/126 , Y02B70/1491
摘要： An alternating-current/direct-current converter includes a rectifier, a reactor, a capacitor, and a switching rectifier. The rectifier is configured to rectify alternating-current voltage output from an alternating-current power source, thereby converting the alternating-current voltage into direct-current voltage, and to output the direct-current voltage. The capacitor includes terminals. The switching rectifier is coupled to the AC power source and switchable to output the direct-current voltage to the capacitor.
摘要翻译： 交流/直流电流转换器包括整流器，电抗器，电容器和开关整流器。 整流器被配置为对来自交流电源的交流电压进行整流，从而将交流电压转换成直流电压，并输出直流电压。 电容器包括端子。 开关整流器耦合到AC电源并且可切换以将直流电压输出到电容器。
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公开(公告)号：US08964428B2
公开(公告)日：2015-02-24
申请号：US13719229
申请日：2012-12-19
发明人： Katsutoshi Yamanaka
CPC分类号： H02M5/458 , H02M5/297 , H02M2001/0064 , H02M2001/344 , H02M2001/346 , H02M2001/348 , H02M2005/2932 , H02M2007/53876 , Y02B70/1491
摘要： A power conversion device according to embodiments includes a plurality of switch groups, a plurality of inductors, and a snubber circuit. The switch groups are respectively provided for input phases and each of the switch groups has a plurality of one-way switches that connects the corresponding input phase and output phases. The plurality of inductors are respectively connected between the input phases and the switch groups, and are coupled to one another so that current flowing through the one-way switch of one switch group moves to and continues to flow through the turned-on one-way switch of the other switch group when the one-way switch of the one switch group is turned off. The snubber circuit clamps a voltage based on the maximum voltage occurring on the plurality of inductors to a predetermined value.
摘要翻译： 根据实施例的电力转换装置包括多个开关组，多个电感器和缓冲电路。 开关组分别设置用于输入相位，并且每个开关组具有连接相应的输入相位和输出相位的多个单向开关。 多个电感器分别连接在输入相和开关组之间，并且彼此耦合，使得流过一个开关组的单向开关的电流移动并继续流过导通单向 当一个开关组的单向开关关闭时，另一个开关组的开关。 缓冲电路基于多个电感器上发生的最大电压将电压钳位到预定值。
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