公开(公告)号：US08009446B2

公开(公告)日：2011-08-30

申请号：US12371664

申请日：2009-02-16

申请人： Hung-Liang Chou ,  Jia-Min Shen ,  Chin-Chang Wu ,  Li-Hsiang Lai ,  Lung-Chi Yang ,  Ya-Tsung Feng

发明人： Hung-Liang Chou ,  Jia-Min Shen ,  Chin-Chang Wu ,  Li-Hsiang Lai ,  Lung-Chi Yang ,  Ya-Tsung Feng

IPC分类号： H02M1/14 ,  H02M7/42

CPC分类号： H02M1/14 ,  H02M3/156

摘要： A ripple voltage suppression apparatus includes a DC/DC converter and a control circuit. The DC/DC converter has a power electronic switch. The control circuit has a voltage detector detecting a DC output voltage of the DC/DC converter, a ripple voltage suppression circuit receiving the detected DC output voltage to generate an AC control signal for controlling an AC component of a duty ratio of the power electronic switch, an output voltage regulation circuit receiving the detected DC output voltage to generate a DC control signal for controlling an DC component of a duty ratio, an adder adding the AC and DC control signals to form a combined control signal, and a PWM circuit converting the combined control signal into a PWM signal to control the power electronic switch. Only the DC output voltage of the DC/DC converter has to be detected for the control circuit.

摘要翻译： 纹波电压抑制装置包括DC / DC转换器和控制电路。 DC / DC转换器具有电力电子开关。 控制电路具有检测DC / DC转换器的DC输出电压的电压检测器，纹波电压抑制电路，其接收检测出的直流输出电压，生成用于控制电力电子开关占空比的交流分量的交流控制信号 接收检测出的直流输出电压以产生用于控制占空比的直流分量的直流控制信号的输出电压调节电路，加上交流和直流控制信号以形成组合控制信号的加法器，以及将电路 将控制信号合并成PWM信号，控制电力电子开关。 必须对控制电路检测DC / DC转换器的直流输出电压。

公开(公告)号：US07394237B2

公开(公告)日：2008-07-01

申请号：US11541739

申请日：2006-10-03

申请人： Hung-Liang Chou ,  Wen-Jung Chiang ,  Chin-Chang Wu ,  Ya-Tsung Feng ,  Li-Hsiang Lai

发明人： Hung-Liang Chou ,  Wen-Jung Chiang ,  Chin-Chang Wu ,  Ya-Tsung Feng ,  Li-Hsiang Lai

IPC分类号： G05F5/00 ,  G05F1/40 ,  H02M7/00

CPC分类号： G05F1/67 ,  H02M1/42 ,  H02M3/157 ,  Y02B70/12 ,  Y10S323/906

摘要： A maximum power point tracking method, applied to a tracking device, employs a DC/DC converter connecting with a solar cell array, and including a controller actuating the DC/DC converter to perform an active resistance characteristic; a maximum power point tracking circuit adjusting the active resistance of the DC/DC converter; monitoring a change of an output power of the solar cell array in determining a direction for adjusting the active resistance of the DC/DC converter; and the maximum power point tracking circuit repeatedly adjusting the active resistance of the DC/DC converter. If the change of the output power of the solar cell array is positive, the active resistance of the DC/DC converter is adjusted in the same direction; but, conversely, if the change of the output power of the solar cell array is negative, the active resistance of the DC/DC converter is adjusted in an opposite direction.

摘要翻译： 应用于跟踪装置的最大功率点跟踪方法采用与太阳能电池阵列连接的DC / DC转换器，并且包括致动DC / DC转换器以执行有源电阻特性的控制器; 最大功率点跟踪电路，调整DC / DC转换器的有效电阻; 在确定用于调节DC / DC转换器的有效电阻的方向的同时监视太阳能电池阵列的输出功率的变化; 并且最大功率点跟踪电路重复调整DC / DC转换器的有效电阻。 如果太阳能电池阵列的输出功率的变化为正，则DC / DC转换器的有效电阻在相同的方向上被调整; 但是相反，如果太阳能电池阵列的输出功率的变化为负，则DC / DC转换器的有效电阻在相反的方向上被调节。

公开(公告)号：US20070290668A1

公开(公告)日：2007-12-20

申请号：US11541739

申请日：2006-10-03

申请人： Hung-Liang Chou ,  Wen-Jung Chiang ,  Chin-Chang Wu ,  Ya-Tsung Feng ,  Li-Hsiang Lai

发明人： Hung-Liang Chou ,  Wen-Jung Chiang ,  Chin-Chang Wu ,  Ya-Tsung Feng ,  Li-Hsiang Lai

IPC分类号： G05F5/00

CPC分类号： G05F1/67 ,  H02M1/42 ,  H02M3/157 ,  Y02B70/12 ,  Y10S323/906

摘要： A maximum power point tracking method, applied to a tracking device, employs a DC/DC converter connecting with a solar cell array, and including a controller actuating the DC/DC converter to perform an active resistance characteristic; a maximum power point tracking circuit adjusting the active resistance of the DC/DC converter; monitoring a change of an output power of the solar cell array in determining a direction for adjusting the active resistance of the DC/DC converter; and the maximum power point tracking circuit repeatedly adjusting the active resistance of the DC/DC converter. If the change of the output power of the solar cell array is positive, the active resistance of the DC/DC converter is adjusted in the same direction; but, conversely, if the change of the output power of the solar cell array is negative, the active resistance of the DC/DC converter is adjusted in an opposite direction.

摘要翻译： 应用于跟踪装置的最大功率点跟踪方法采用与太阳能电池阵列连接的DC / DC转换器，并且包括致动DC / DC转换器以执行有源电阻特性的控制器; 最大功率点跟踪电路，调整DC / DC转换器的有效电阻; 在确定用于调节DC / DC转换器的有效电阻的方向的同时监视太阳能电池阵列的输出功率的变化; 并且最大功率点跟踪电路重复调整DC / DC转换器的有效电阻。 如果太阳能电池阵列的输出功率的变化为正，则DC / DC转换器的有效电阻在相同的方向上被调整; 但是相反，如果太阳能电池阵列的输出功率的变化为负，则DC / DC转换器的有效电阻在相反的方向上被调节。

公开(公告)号：US20100072819A1

公开(公告)日：2010-03-25

申请号：US12458288

申请日：2009-07-08

申请人： Yi-Hu Lee ,  Wen Hsu ,  Chin-Chang Wu ,  Hung-Liang Chou ,  Ya-Tsung Feng

发明人： Yi-Hu Lee ,  Wen Hsu ,  Chin-Chang Wu ,  Hung-Liang Chou ,  Ya-Tsung Feng

IPC分类号： H02J1/00

CPC分类号： H02M3/1582 ,  H02M3/1584 ,  Y10T307/685

摘要： A bidirectional DC to DC power converter includes two DC sources, two inductors respectively connected to the two DC sources, a first switch and a second switch respectively connected to the two inductors, two capacitors respectively connected to the two switches, and a third switch connected between the two inductors. The first, second and third switches are respectively connected reversely with a diode in parallel. When the third switch is alternately turned on and off and the first and second switches are always turned off, the power converter operates as a boost power converter and electric energy flows from the two DC sources to the two capacitors. When the third switch is always turned off and the first and second switches are synchronously turned on or off, the power converter operates as a buck power converter and electric energy flows from the two capacitors to the two DC sources.

摘要翻译： 双向DC到DC电力转换器包括两个DC源，分别连接到两个DC源的两个电感器，分别连接到两个电感器的第一开关和第二开关，分别连接到两个开关的两个电容器和连接到两个开关的第三开关 两个电感之间。 第一，第二和第三开关分别与并联的二极管反向连接。 当第三开关交替地接通和断开，并且第一和第二开关总是关断时，功率转换器作为升压功率转换器工作，电能从两个DC源流向两个电容器。 当第三开关总是关闭并且第一和第二开关同步地接通或断开时，功率转换器作为降压功率转换器工作，电能从两个电容器流到两个DC源。

公开(公告)号：US20080253153A1

公开(公告)日：2008-10-16

申请号：US11962193

申请日：2007-12-21

申请人： Chin-Chang Wu ,  Hung-Liang Chou ,  Min-Sheng Huang ,  Han-Sheng Wei ,  Ya-Tsung Feng

发明人： Chin-Chang Wu ,  Hung-Liang Chou ,  Min-Sheng Huang ,  Han-Sheng Wei ,  Ya-Tsung Feng

IPC分类号： H02M1/12

CPC分类号： H02M1/425 ,  Y02B70/126

摘要： An active power conditioner includes a first power electronic switch set, a second power electronic switch set, a third power electronic switch set, an input filter and an output filter. The active power conditioner can supply a stable AC voltage to a load when a voltage variation is occurred at an AC power source by controlling either the second power electronic switch set or the third power electronic switch set via high-frequency switching, and the other power electronic switch sets that are not switched in high frequency are controlled to switch in low-frequency switching.

摘要翻译： 有源功率调节器包括第一功率电子开关组，第二功率电子开关组，第三功率电子开关组，输入滤波器和输出滤波器。 有源功率调节器可以通过高频切换控制第二功率电子开关组或第三功率电子开关组而在交流电源发生电压变化时向负载提供稳定的交流电压，而另一种功率 控制不切换高频的电子开关组进行低频切换。

公开(公告)号：US07345380B2

公开(公告)日：2008-03-18

申请号：US10878268

申请日：2004-06-29

申请人： Ya-Tsung Feng ,  Chin-Chang Wu ,  Hung-Liang Chou ,  Nan-Ying Shen ,  Kuo-Fang Huang ,  Yao-Jen Chang

发明人： Ya-Tsung Feng ,  Chin-Chang Wu ,  Hung-Liang Chou ,  Nan-Ying Shen ,  Kuo-Fang Huang ,  Yao-Jen Chang

IPC分类号： H02J9/00 ,  H02J5/00

CPC分类号： H02J9/062 ,  H02J2009/068 ,  Y10T307/615 ,  Y10T307/62 ,  Y10T307/696

摘要： A backup power supply system supplies power from a first ac power source in normal condition. Once the first ac power source is abnormal or fails, the system automatically turns off the first ac power source and turns on a second ac power source with null transfer time. When the first ac power source is normal, a dc/ac power inverter is controlled to supply an approximately null current such that a mechanical switch is allowed to be closed and no circulating current is generated between the first ac power source and the dc/ac power inverter. Since the mechanical switch is continuously closed, and requires no switching operation, the backup power supply system can supply the backup power with a null transfer time.

摘要翻译： 备用电源系统在正常状态下从第一交流电源供电。 一旦交流电源出现异常或故障，系统会自动关闭第一个交流电源，并以空的传输时间打开第二个交流电源。 当第一交流电源正常时，控制直流/交流电源逆变器以提供大致零电流，使得允许机械开关闭合，并且在第一交流电源和直流/交流之间不产生循环电流 电源逆变器。 由于机械开关连续关闭，无需切换操作，备用电源系统可以提供空转传送时间的备用电源。

公开(公告)号：US20070103004A1

公开(公告)日：2007-05-10

申请号：US11546277

申请日：2006-10-12

申请人： Hung-Liang Chou ,  Wen-Jung Chiang ,  Chin-Chang Wu ,  Ya-Tsung Feng

发明人： Hung-Liang Chou ,  Wen-Jung Chiang ,  Chin-Chang Wu ,  Ya-Tsung Feng

IPC分类号： H02J9/00

CPC分类号： H02J3/38 ,  H02J2003/388 ,  Y10T307/615

摘要： An islanding detection apparatus for a distributed generation power system and a detection method therefor operates a power converter to act as a virtual capacitor or inductor at a frequency close to but unequal to that of a utility power system under abnormal condition of the utility power system. When power failure occurs in the utility power system, only the distributed generation power system supplies power to a load so that a load voltage has been changed in at least one of amplitude and frequency which can be immediately detected islanding phenomenon.

摘要翻译： 用于分布式发电系统的孤岛检测装置及其检测方法使功率转换器在公用电力系统的异常状态下以与公用电力系统的频率接近但不相等的频率充当虚拟电容器或电感器。 当在公用电力系统中发生电力故障时，只有分布式发电系统向负载供电，使负载电压发生变化，其幅度和频率中至少有一个可立即检测到孤岛现象。

公开(公告)号：US06960901B2

公开(公告)日：2005-11-01

申请号：US10802936

申请日：2004-03-18

申请人： Chin-Chang Wu ,  Hung-Liang Chou ,  Ya-Tsung Feng ,  Chi-Nan Hsieh ,  Yao-Jen Chang

发明人： Chin-Chang Wu ,  Hung-Liang Chou ,  Ya-Tsung Feng ,  Chi-Nan Hsieh ,  Yao-Jen Chang

IPC分类号： H02M3/158 ,  H02M7/797 ,  G05F1/10

CPC分类号： H02M3/1582 ,  H02M7/797 ,  H02M2001/007

摘要： A bi-directional dc/dc power converter having a neutral terminal includes a first dc voltage terminal set and a second dc voltage terminal set. When the direction of power flow is from the first dc voltage terminal set to the second dc voltage terminal set, the Output voltage of power converter is the double of the input dc voltage. When the power flow direction is in reverse from the second dc voltage terminal set to the first dc voltage terminal set, the output voltage of power converter is half of the input dc voltage in this power flow direction.

摘要翻译： 具有中立端子的双向dc / dc电力转换器包括第一直流电压端子组和第二直流电压端子组。 当功率流的方向从第一直流电压端子设置到第二直流电压端子组时，功率转换器的输出电压是输入直流电压的两倍。 当功率流动方向与设定为第一直流电压端子组的第二直流电压端子相反时，功率转换器的输出电压在该功率流动方向上为输入直流电压的一半。

公开(公告)号：US07446510B2

公开(公告)日：2008-11-04

申请号：US11655904

申请日：2007-01-22

申请人： Hung-Liang Chou ,  Yu-Hua Sun ,  Kuen-Der Wu ,  Chin-Chang Wu ,  Ming-Hsun Hsieh ,  Ya-Tsung Feng

发明人： Hung-Liang Chou ,  Yu-Hua Sun ,  Kuen-Der Wu ,  Chin-Chang Wu ,  Ming-Hsun Hsieh ,  Ya-Tsung Feng

IPC分类号： H02J7/16

CPC分类号： G01R31/3679

摘要： A diagnosis method for SOH of batteries includes the steps of: providing data of discharge voltages and currents of a battery unit; setting an acceptable value of a predetermined period of time and an acceptable range of variation rate of discharge current for the battery unit; calculating variation rates of discharge voltages and currents of the battery unit within the predetermined period of time by using the data of discharge voltages and currents; recording the data of discharge voltages and currents of the batteries and variation rates thereof; comparing the data of discharge voltages of the batteries and the variation rates thereof if the variation rates of discharge current are fallen within the acceptable range of current variation with selected reference data; and converting results of compared data of discharge voltages of the battery unit and the variation rates thereof into a SOH index.

摘要翻译： 电池的SOH的诊断方法包括以下步骤：提供电池单元的放电电压和电流的数据; 设定电池单元的预定时间段的可接受值和放电电流变化率的可接受范围; 通过使用放电电压和电流的数据计算预定时间段内的电池单元的放电电压和电流的变化率; 记录电池的放电电压和电流的数据及其变化率; 如果放电电流的变化率在所选择的参考数据的电流变化的可接受范围内下降，则比较电池的放电电压的数据及其变化率; 并将电池单元的放电电压的比较数据和其变化率的结果转换为SOH指数。

公开(公告)号：US20070076451A1

公开(公告)日：2007-04-05

申请号：US11502515

申请日：2006-08-11

申请人： Chin-Chang Wu ,  Hung-Liang Chou ,  Wen-Pin Hsu ,  Yu-Ting Kuo ,  Ya-Tsung Feng

发明人： Chin-Chang Wu ,  Hung-Liang Chou ,  Wen-Pin Hsu ,  Yu-Ting Kuo ,  Ya-Tsung Feng

IPC分类号： H02M1/12

CPC分类号： H02J3/1842 ,  Y02E40/22

摘要： An active power conditioner, connecting with a load and a power source in parallel, includes a DC power capacitor, a power converter, a high-frequency filter and a control circuit. The control circuit detects the voltage of the DC power capacitor and the current of the power source, thereby performing a closed loop control to stabilize the voltage of the DC power capacitor and performing a feed forward control to generate a driving signal for driving the power converter. The power converter actuates the DC power capacitor to supply a current via the high-frequency filter to reduce the reactive and harmonic components of load current. The load is converted to the linear resistance characteristic, observed from the power source side.

摘要翻译： 与负载和电源并联连接的有源功率调节器包括直流电力电容器，功率转换器，高频滤波器和控制电路。 控制电路检测直流电力电容器的电压和电源的电流，由此执行闭环控制以稳定直流电力电容器的电压并执行前馈控制，以产生用于驱动功率转换器的驱动信号 。 电源转换器启动直流电源电容器，通过高频滤波器提供电流，以减少负载电流的无功和谐波分量。 从电源侧观察，负载转换为线性电阻特性。