公开(公告)号：US07813148B2

公开(公告)日：2010-10-12

申请号：US11834828

申请日：2007-08-07

申请人： Jianhong Zeng ,  Yuanyuan Zhang ,  Aibin Qiu ,  Kun Wei ,  Jianping Ying

发明人： Jianhong Zeng ,  Yuanyuan Zhang ,  Aibin Qiu ,  Kun Wei ,  Jianping Ying

IPC分类号： H02M3/335

CPC分类号： H02M3/3376 ,  H02M2007/4803

摘要： Provided is a flux regulation method for use in a power converter, wherein the method is carried out by a flux bias controller. The flux bias controller includes a current detector which is configured to detect the primary current of the transformer of the power converter in a predetermined switching cycle, a DC bias processor which is configured to obtain the duty ratio control signal according to the sampled primary current outputted from the current detector for a switching cycle later than the predetermined switching cycle, and a PWM controller which is configured to generate driving signals to control the on/off operations of the switching circuit of the power converter according to the duty ratio control signal, thereby suppressing the DC bias of the transformer by regulating the duty ratio of the switch circuit.

摘要翻译： 提供了一种用于功率转换器的磁通调节方法，其中该方法由磁通偏压控制器执行。 通量偏置控制器包括电流检测器，其被配置为在预定的开关周期内检测功率转换器的变压器的初级电流; DC偏置处理器，被配置为根据所输出的采样的一次电流获得占空比控制信号 从电流检测器开始比预定开关周期晚的开关周期，以及PWM控制器，其被配置为产生驱动信号，以根据占空比控制信号来控制功率转换器的开关电路的接通/断开操作，由此 通过调节开关电路的占空比来抑制变压器的直流偏压。

公开(公告)号：US20080198631A1

公开(公告)日：2008-08-21

申请号：US11834828

申请日：2007-08-07

申请人： Jianhong Zeng ,  Yuanyuan Zhang ,  Aibin Qiu ,  Kun Wei ,  Jianping Ying

发明人： Jianhong Zeng ,  Yuanyuan Zhang ,  Aibin Qiu ,  Kun Wei ,  Jianping Ying

IPC分类号： H02M3/335 ,  G05F3/06

CPC分类号： H02M3/3376 ,  H02M2007/4803

摘要： Provided is a flux regulation method for use in a power converter, wherein the method is carried out by a flux bias controller. The flux bias controller includes a current detector which is configured to detect the primary current of the transformer of the power converter in a predetermined switching cycle, a DC bias processor which is configured to obtain the duty ratio control signal according to the sampled primary current outputted from the current detector for a switching cycle later than the predetermined switching cycle, and a PWM controller which is configured to generate driving signals to control the on/off operations of the switching circuit of the power converter according to the duty ratio control signal, thereby suppressing the DC bias of the transformer by regulating the duty ratio of the switch circuit.

摘要翻译： 提供了一种用于功率转换器的磁通调节方法，其中该方法由磁通偏压控制器执行。 通量偏置控制器包括电流检测器，其被配置为在预定的开关周期内检测功率转换器的变压器的初级电流; DC偏置处理器，被配置为根据所输出的采样的一次电流获得占空比控制信号 从电流检测器开始比预定开关周期晚的开关周期，以及PWM控制器，其被配置为产生驱动信号，以根据占空比控制信号来控制功率转换器的开关电路的接通/断开操作，由此 通过调节开关电路的占空比来抑制变压器的直流偏压。

公开(公告)号：US20050024028A1

公开(公告)日：2005-02-03

申请号：US10903154

申请日：2004-07-30

申请人： Jianping Ying ,  Qingyou Zhang ,  Aibin Qiu ,  Teng Liu ,  Xingkuan Guo ,  Jianhong Zeng

发明人： Jianping Ying ,  Qingyou Zhang ,  Aibin Qiu ,  Teng Liu ,  Xingkuan Guo ,  Jianhong Zeng

IPC分类号： H02M1/00 ,  H02M3/158 ,  H02M3/337 ,  G05F1/40

CPC分类号： H02M3/1584 ,  H02M1/4208 ,  H02M3/337 ,  H02M2001/007 ,  Y02B70/126

摘要： An apparatus for reducing the heat losses caused by the DC Bus capacitor current is proposed. The apparatus includes: a double frequency boost converter circuit having two boost converter circuits coupled in parallel, in which two switches, respectively disposed on the two boost converter circuits, are turned on and off alternately to produce an output current having a frequency twice that of control signals of the two switches, and to offer a DC bus respectively, a full-bridge DC-DC converter coupled to an output terminal of the double frequency boost converter circuit for transforming an output of the DC bus to a DC voltage, and a DC bus capacitor coupled to the double frequency boost converter circuit and the full-bridge DC-DC converter in parallel for balancing two corresponding transient powers of the double frequency boost converter circuit and the full-bridge DC-DC converter respectively.

摘要翻译： 提出了一种降低由直流总线电容器电流引起的热损失的装置。 该装置包括：具有并联耦合的两个升压转换器电路的双倍升压转换器电路，其中分别布置在两个升压转换器电路上的两个开关交替地导通和截止，以产生具有频率两倍的频率的输出电流 控制所述两个开关的信号，并分别提供DC总线，耦合到所述双倍升压转换器电路的输出端的全桥DC-DC转换器，用于将所述DC总线的输出转换为DC电压，以及 分别与双倍升压转换器电路和全桥DC-DC转换器并联的DC总线电容器分别平衡双倍升压转换器电路和全桥DC-DC转换器的两个对应的瞬态功率。

公开(公告)号：US20050036337A1

公开(公告)日：2005-02-17

申请号：US10916307

申请日：2004-08-11

申请人： Qingyou Zhang ,  Aibin Qiu ,  Jianping Ying ,  Jianhong Zeng

发明人： Qingyou Zhang ,  Aibin Qiu ,  Jianping Ying ,  Jianhong Zeng

IPC分类号： H02M3/158 ,  H02M3/335

CPC分类号： H02M3/1584 ,  H02M1/4225 ,  H02M2003/1586 ,  Y02B70/126 ,  Y02P80/112

摘要： The provided method and control circuit are employed to alternately control the dual boost PFC circuits. The control circuit for alternately controlling parallel-connected first and second boost circuits of a dual boost PFC circuit to achieve a current-sharing of the first and the second boost circuits includes: a first control circuit having a first current control loop for employing an output voltage of the PFC circuit, a feed-forward voltage, and an input reference voltage to generate a current reference, and sending the current reference to an input terminal of the first current control loop to generate a first PWM signal to drive the first boost circuit, and a second control circuit having a second current control loop for receiving the current reference through an input terminal of the second current control loop to generate a second PWM signal to drive the second boost circuit.

摘要翻译： 所提供的方法和控制电路用于交替地控制双升压PFC电路。 用于交替地控制双升压PFC电路的并联连接的第一和第二升压电路以实现第一和第二升压电路的电流共享的控制电路包括：第一控制电路，具有用于采用输出 PFC电路的电压，前馈电压和输入参考电压以产生电流参考，并且将电流基准发送到第一电流控制环路的输入端以产生第一PWM信号以驱动第一升压电路 以及具有第二电流控制回路的第二控制电路，用于通过第二电流控制回路的输入端接收电流基准，以产生驱动第二升压电路的第二PWM信号。

公开(公告)号：US07116087B2

公开(公告)日：2006-10-03

申请号：US10916307

申请日：2004-08-11

申请人： Qingyou Zhang ,  Aibin Qiu ,  Jianping Ying ,  Jianhong Zeng

发明人： Qingyou Zhang ,  Aibin Qiu ,  Jianping Ying ,  Jianhong Zeng

IPC分类号： G05F1/40

CPC分类号： H02M3/1584 ,  H02M1/4225 ,  H02M2003/1586 ,  Y02B70/126 ,  Y02P80/112

摘要： The provided method and control circuit are employed to alternately control the dual boost PFC circuits. The control circuit for alternately controlling parallel-connected first and second boost circuits of a dual boost PFC circuit to achieve a current-sharing of the first and the second boost circuits includes: a first control circuit having a first current control loop for employing an output voltage of the PFC circuit, a feed-forward voltage, and an input reference voltage to generate a current reference, and sending the current reference to an input terminal of the first current control loop to generate a first PWM signal to drive the first boost circuit, and a second control circuit having a second current control loop for receiving the current reference through an input terminal of the second current control loop to generate a second PWM signal to drive the second boost circuit.

摘要翻译： 所提供的方法和控制电路用于交替地控制双升压PFC电路。 用于交替地控制双升压PFC电路的并联连接的第一和第二升压电路以实现第一和第二升压电路的电流共享的控制电路包括：第一控制电路，具有用于采用输出 PFC电路的电压，前馈电压和输入参考电压以产生电流参考，并且将电流基准发送到第一电流控制环路的输入端以产生第一PWM信号以驱动第一升压电路 以及具有第二电流控制回路的第二控制电路，用于通过第二电流控制回路的输入端接收电流基准，以产生驱动第二升压电路的第二PWM信号。

公开(公告)号：US07009852B2

公开(公告)日：2006-03-07

申请号：US10903154

申请日：2004-07-30

申请人： Jianping Ying ,  Qingyou Zhang ,  Aibin Qiu ,  Teng Liu ,  Xingkuan Guo ,  Jianhong Zeng

发明人： Jianping Ying ,  Qingyou Zhang ,  Aibin Qiu ,  Teng Liu ,  Xingkuan Guo ,  Jianhong Zeng

IPC分类号： H02M3/335

CPC分类号： H02M3/1584 ,  H02M1/4208 ,  H02M3/337 ,  H02M2001/007 ,  Y02B70/126

摘要： An apparatus for reducing the heat losses caused by the DC Bus capacitor current is proposed. The apparatus includes: a double frequency boost converter circuit having two boost converter circuits coupled in parallel, in which two switches, respectively disposed on the two boost converter circuits, are turned on and off alternately to produce an output current having a frequency twice that of control signals of the two switches, and to offer a DC bus respectively, a full-bridge DC-DC converter coupled to an output terminal of the double frequency boost converter circuit for transforming an output of the DC bus to a DC voltage, and a DC bus capacitor coupled to the double frequency boost converter circuit and the full-bridge DC-DC converter in parallel for balancing two corresponding transient powers of the double frequency boost converter circuit and the full-bridge DC-DC converter respectively.

摘要翻译： 提出了一种降低由直流总线电容器电流引起的热损失的装置。 该装置包括：具有并联耦合的两个升压转换器电路的双倍升压转换器电路，其中分别布置在两个升压转换器电路上的两个开关交替地导通和截止，以产生具有频率两倍的频率的输出电流 控制所述两个开关的信号，并分别提供DC总线，耦合到所述双倍升压转换器电路的输出端的全桥DC-DC转换器，用于将所述DC总线的输出转换为DC电压，以及 分别与双倍升压转换器电路和全桥DC-DC转换器并联的DC总线电容器分别平衡双倍升压转换器电路和全桥DC-DC转换器的两个对应的瞬态功率。

公开(公告)号：US08767416B2

公开(公告)日：2014-07-01

申请号：US13208954

申请日：2011-08-12

申请人： Jianping Ying ,  Yiqing Ye ,  Chao Yan ,  Jianhong Zeng

发明人： Jianping Ying ,  Yiqing Ye ,  Chao Yan ,  Jianhong Zeng

IPC分类号： H02M3/335

CPC分类号： H02M3/3376 ,  H02M2001/0058 ,  Y02B70/1433 ,  Y02B70/1491

摘要： The configurations of a resonant converter system and a controlling method thereof are provided. The proposed resonant converter system includes a resonant converter and a hybrid control apparatus coupled to the resonant converter for generating a driving signal to adjust a phase angle and a frequency of the resonant converter such that the resonant converter would reach a relatively lower voltage gain and have a relatively lower loss during an abnormal operation.

摘要翻译： 提供了一种谐振转换器系统的结构及其控制方法。 所提出的谐振转换器系统包括谐振转换器和耦合到谐振转换器的混合控制装置，用于产生驱动信号以调节谐振转换器的相位角和频率，使得谐振转换器将达到相对较低的电压增益并具有 在异常操作期间相对较低的损失。

公开(公告)号：US20110267845A1

公开(公告)日：2011-11-03

申请号：US13090925

申请日：2011-04-20

申请人： Haoyi YE ,  Jianhong Zeng ,  Hongyang Wu ,  Chao Yan ,  Teng Liu ,  Jianping Ying

发明人： Haoyi YE ,  Jianhong Zeng ,  Hongyang Wu ,  Chao Yan ,  Teng Liu ,  Jianping Ying

IPC分类号： H02M3/335

CPC分类号： H02M3/33569 ,  H02M2001/0074 ,  Y02B70/1433 ,  Y02P80/112

摘要： The configurations of a parallel-connected resonant converter circuit and a controlling method thereof are provided in the present invention. The proposed circuit includes a plurality of resonant converters, each of which has two input terminals and two output terminals, wherein all the two input terminals of the plurality of resonant converters are electrically series-connected, and all the two output terminals of the plurality of resonant converters are electrically parallel-connected.

摘要翻译： 在本发明中提供并联谐振变换器电路的结构及其控制方法。 所提出的电路包括多个谐振转换器，每个谐振转换器具有两个输入端子和两个输出端子，其中多个谐振转换器的所有两个输入端子电串联连接，并且多个谐振变换器的所有两个输出端子 谐振转换器电并联。

公开(公告)号：US08035253B2

公开(公告)日：2011-10-11

申请号：US12500868

申请日：2009-07-10

申请人： Haoyi Ye ,  Jianhong Zeng ,  Hongyang Wu ,  Chao Yan ,  Teng Liu ,  Jianping Ying

发明人： Haoyi Ye ,  Jianhong Zeng ,  Hongyang Wu ,  Chao Yan ,  Teng Liu ,  Jianping Ying

IPC分类号： H02J1/12

CPC分类号： H02M7/493 ,  H02M2001/007 ,  Y10T307/707

摘要： The method of controlling a multi-converter having N converters with series-connected inputs and parallel-connected outputs is provided in the present invention. The proposed controlling method includes steps of: causing each of the N converters to have an intermittent operating period, an intermittent operating time interval and an intermittent operating duty ratio equal to a value of the intermittent operating time interval divided by a value of the intermittent operating period; and causing the N converters to operate alternately with the intermittent operating period, wherein N is an integer larger than one.

摘要翻译： 在本发明中提供了具有串联连接输入和并联输出的N转换器的多转换器的控制方法。 所提出的控制方法包括以下步骤：使N个转换器中的每一个具有间歇运行周期，间歇运行时间间隔和等于间歇运行时间间隔的值的间歇运行占空比除以间歇运行的值 期; 并且使N个转换器与间歇操作周期交替工作，其中N是大于1的整数。

公开(公告)号：US07804193B2

公开(公告)日：2010-09-28

申请号：US11837646

申请日：2007-08-13

申请人： Chao Yan ,  Chongfeng Zheng ,  Zhiqiang Zhan ,  Jianhong Zeng ,  Jianping Ying

发明人： Chao Yan ,  Chongfeng Zheng ,  Zhiqiang Zhan ,  Jianhong Zeng ,  Jianping Ying

IPC分类号： H02J1/12

CPC分类号： H02J3/38 ,  H02J9/06 ,  Y10T307/32 ,  Y10T307/511

摘要： An energy recycle system for use with an AC current power supply, for example, an electronic ballast, is presented. The energy recycle system includes an energy recycle load connected to an output terminal of the AC current power supply, in which the energy recycle load includes a rectifier for rectifying the output AC current of the AC current power supply into a rectified DC current and a filter connected to the rectifier for removing the high-frequency harmonics from the rectified DC current. Also, the energy recycle system further includes a DC-AC converter connected to the energy recycle load for receiving the DC current outputted from the energy recycle load, which is in turn delivered to the utility grid to achieve energy recycling.

摘要翻译： 提出了一种与AC电流电源（例如电子镇流器）一起使用的能量循环系统。 能量循环系统包括连接到AC电流电源的输出端的能量循环负载，其中能量再循环负载包括用于将AC电流电源的输出AC电流整流为整流DC电流的整流器和滤波器 连接到整流器，以从整流的直流电流中去除高频谐波。 此外，能量再循环系统还包括连接到能量循环负载的DC-AC转换器，用于接收从能量再循环负载输出的直流电流，该能量循环负载又被输送到公用电网以实现能量循环。