Apparatus and method for controlling switch of flyback converter for solar generating system
    13.
    发明授权
    Apparatus and method for controlling switch of flyback converter for solar generating system 有权
    太阳能发电系统反激式转换器的开关控制装置及方法

    公开(公告)号:US08514599B2

    公开(公告)日:2013-08-20

    申请号:US13070727

    申请日:2011-03-24

    CPC classification number: H02M3/33576 H02J3/383 Y02E10/563

    Abstract: There is provided an apparatus and method for controlling a switch of a flyback converter for a solar generating system. The apparatus for controlling a switch of a flyback converter for a solar generating system includes: an MPPT controller generating a current command value for a maximum power point tracker of a solar cell module, based on input voltage, input current, and output voltage of the flyback converter; a current controller generating a current control signal for tracking the current command value; an output current command value generator generating the phase and magnitude command value of the output current, based on the phase of the output voltage and the current control signal; and a switch controller controlling the main switch of the flyback converter, based on the phase and magnitude command value of the output current, thereby simplifying a circuit while solving disadvantages of a discontinuous conduction mode and a boundary conduction mode.

    Abstract translation: 提供了一种用于控制用于太阳能发电系统的反激式转换器的开关的装置和方法。 用于控制用于太阳能发电系统的反激式转换器的开关的装置包括:MPPT控制器,基于输入电压,输入电流和输出电压产生太阳能电池模块的最大功率点跟踪器的电流指令值 反激转换器; 产生用于跟踪当前指令值的电流控制信号的电流控制器; 输出电流指令值发生器,基于输出电压和电流控制信号的相位产生输出电流的相位和幅度指令值; 以及基于输出电流的相位和幅度指令值控制回扫转换器的主开关的开关控制器,从而在解决不连续导通模式和边界导电模式的缺点的同时简化电路。

    Apparatus and method for charging and discharging photovoltaic PCS integrated battery
    14.
    发明授权
    Apparatus and method for charging and discharging photovoltaic PCS integrated battery 有权
    光伏PCS集成电池充放电的装置和方法

    公开(公告)号:US08493020B2

    公开(公告)日:2013-07-23

    申请号:US12899938

    申请日:2010-10-07

    Abstract: There are provided an apparatus and method for charging and discharging a photovoltaic PCS integrated battery applied to a system that includes a first DC/DC converter 110 connected to a solar cell 10, a DC/AC inverter 120, a DC link unit 130 connected in common to output terminals of the first DC/DC converter 110 and the DC/AC inverter 120, and a second DC/DC converter 140 having a bidirectional DC/DC conversion function connected between the DC rink unit 130 and the battery 30. The present invention calculates the amount of photovoltaic power produced by the solar cell 10 based on voltage and current detected in the voltage/current detector 200, determines one of predetermined control modes according to the amount of photovoltaic power and the connection or not of the battery, and controls the first DC/DC converter 110, the second DC/DC converter, and the DC/AC inverter according to the determined control mode.

    Abstract translation: 提供了一种用于充电和放电应用于包括连接到太阳能电池10的第一DC / DC转换器110,DC / AC逆变器120,连接在其上的DC链路单元130的系统的光伏PCS集成电池的装置和方法 与第一DC / DC转换器110和DC / AC逆变器120的输出端子共用的第二DC / DC转换器140以及连接在DC匝道单元130与电池30之间的具有双向DC / DC转换功能的第二DC / DC转换器140。 本发明基于电压/电流检测器200中检测到的电压和电流来计算由太阳能电池10产生的光伏电力的量,根据光伏电力的量和电池的连接而确定预定的控制模式之一,以及 根据确定的控制模式控制第一DC / DC转换器110,第二DC / DC转换器和DC / AC逆变器。

    Method for selecting the optimum number of phases for converter and system using the same
    16.
    发明授权
    Method for selecting the optimum number of phases for converter and system using the same 有权
    用于选择转换器和使用其的系统的最佳相位数的方法

    公开(公告)号:US08232779B2

    公开(公告)日:2012-07-31

    申请号:US12388492

    申请日:2009-02-18

    CPC classification number: H02M3/1584 H02M2003/1586

    Abstract: A method for selecting the optimum number of phases for a converter is provided, which selects a duty range using an input voltage and an output voltage, obtains ripple values for multiple phases in the duty range, and selects the optimum number of phases using the corresponding ripple values. The method for selecting the optimum number of phases for a converter includes a duty range selection step of selecting a duty range using an input voltage and an output voltage, a ripple value calculation step of obtaining ripple values for multiple phases within the selected duty range, a range ripple selection step of selecting one or more phases in the duty range, and a rated ripple selection step of selecting the phases having the minimum ripple value in a rated duty among the phases selected in the range ripple selection step.

    Abstract translation: 提供一种用于选择转换器的最佳相位数的方法,其使用输入电压和输出电压选择占空比范围,在占空比范围内获得多相的纹波值,并使用相应的 纹波值。 用于选择转换器的最佳相位数的方法包括:使用输入电压和输出电压选择占空比范围的占空范围选择步骤;获取所选占空范围内多相纹波值的纹波值计算步骤; 范围纹波选择步骤,用于选择占空比范围内的一个或多个相位;以及额定纹波选择步骤,在所述范围纹波选择步骤中选择的相中选择具有额定占空比中的最小纹波值的相位。

    MAXIMUM POWER POINT TRACKER, POWER CONVERSION CONTROLLER, POWER CONVERSION DEVICE HAVING INSULATING STRUCTURE, AND METHOD FOR TRACKING MAXIMUM POWER POINT THEREOF
    17.
    发明申请
    MAXIMUM POWER POINT TRACKER, POWER CONVERSION CONTROLLER, POWER CONVERSION DEVICE HAVING INSULATING STRUCTURE, AND METHOD FOR TRACKING MAXIMUM POWER POINT THEREOF 有权
    最大功率点跟踪器,功率转换控制器,具有绝缘结构的功率转换装置,以及用于跟踪其最大功率点的方法

    公开(公告)号:US20110242857A1

    公开(公告)日:2011-10-06

    申请号:US12881624

    申请日:2010-09-14

    CPC classification number: H02M7/537 H02J3/385 Y02E10/58

    Abstract: Disclosed are a maximum power point tracker, a power conversion controller, a power conversion device having an insulating structure, and a method for tracking maximum power point. The power conversion device includes: a DC/AC converter including a primary DC chopper unit having a primary switch, a transformer, and an AC/AC conversion unit including a secondary switch; a current detector detecting current from an input stage of the DC/AC converter and providing a detected current value; a voltage detector detecting a system voltage from an output stage of the DC/AC converter; and a power conversion controller generating a primary PWM signal to be provided to the primary DC chopper unit and secondary first and second PWM signals, having the mutually opposing phases, to be provided to the AC/AC conversion unit by using the detected current value and the system voltage.

    Abstract translation: 公开了一种最大功率点跟踪器,电力转换控制器,具有绝缘结构的功率转换装置和用于跟踪最大功率点的方法。 电力转换装置包括:DC / AC转换器,包括具有初级开关的初级DC斩波器单元,变压器和包括次级开关的AC / AC转换单元; 电流检测器,检测来自DC / AC转换器的输入级的电流,并提供检测到的电流值; 电压检测器,检测来自DC / AC转换器的输出级的系统电压; 以及电力转换控制器,其通过使用检测到的电流值,将要提供给初级DC斩波器单元的初级PWM信号和具有相互相反的相位的次级第一和第二PWM信号提供给AC / AC转换单元;以及 系统电压。

    Apparatus and method for controling power quality of power generation system
    18.
    发明授权
    Apparatus and method for controling power quality of power generation system 有权
    发电系统电力质量控制装置及方法

    公开(公告)号:US08406022B2

    公开(公告)日:2013-03-26

    申请号:US12906425

    申请日:2010-10-18

    CPC classification number: H02J3/383 H02M1/12 H02M7/53875 Y02E10/563

    Abstract: There are provided an apparatus and a method for controlling the power quality of a power generation system. According to the present invention, there is provided an apparatus for controlling the power quality of a power generation system including a DC/AC inverter converting DC voltage into AC voltage and supplying inverter current to a grid, including: a grid voltage phase follower generating a grid signal; a fundamental extractor extracting a magnitude of a fundamental wave of a load current introduced into a non-linear load connected between the DC/AC inverter and the grid; a first calculator subtracting a preset current compensation value from the magnitude of the fundamental wave from the fundamental extractor; and a second calculator generating an inverter current instruction value for the DC/AC inverter by using the output value of the first calculator and the grid signal and the load current from the grid voltage phase follower.

    Abstract translation: 提供了一种用于控制发电系统的电力质量的装置和方法。 根据本发明,提供了一种用于控制发电系统的电力质量的装置,该发电系统包括将DC电压转换成AC电压并将逆变器电流提供给电网的DC / AC逆变器,包括:电网电压相位跟随器, 电网信号; 提取引入到DC / AC逆变器和电网之间的非线性负载的负载电流的基波的大小的基本提取器; 第一计算器从基波提取器从基波的幅度减去预设电流补偿值; 以及第二计算器,通过使用第一计算器的输出值和电网信号以及来自电网电压相位跟随器的负载电流,为DC / AC逆变器产生逆变器电流指令值。

    APPARATUS AND METHOD FOR CONTROLLING SWITCH OF FLYBACK CONVERTER FOR SOLAR GENERATING SYSTEM
    19.
    发明申请
    APPARATUS AND METHOD FOR CONTROLLING SWITCH OF FLYBACK CONVERTER FOR SOLAR GENERATING SYSTEM 有权
    用于控制太阳能发电系统的逆变器转换器的设备和方法

    公开(公告)号:US20120026758A1

    公开(公告)日:2012-02-02

    申请号:US13070727

    申请日:2011-03-24

    CPC classification number: H02M3/33576 H02J3/383 Y02E10/563

    Abstract: There is provided an apparatus and method for controlling a switch of a flyback converter for a solar generating system. The apparatus for controlling a switch of a flyback converter for a solar generating system includes: an MPPT controller generating a current command value for a maximum power point tracker of a solar cell module, based on input voltage, input current, and output voltage of the flyback converter; a current controller generating a current control signal for tracking the current command value; an output current command value generator generating the phase and magnitude command value of the output current, based on the phase of the output voltage and the current control signal; and a switch controller controlling the main switch of the flyback converter, based on the phase and magnitude command value of the output current, thereby simplifying a circuit while solving disadvantages of a discontinuous conduction mode and a boundary conduction mode.

    Abstract translation: 提供了一种用于控制用于太阳能发电系统的反激式转换器的开关的装置和方法。 用于控制用于太阳能发电系统的反激式转换器的开关的装置包括:MPPT控制器,基于输入电压,输入电流和输出电压产生太阳能电池模块的最大功率点跟踪器的电流指令值 反激转换器; 产生用于跟踪当前指令值的电流控制信号的电流控制器; 输出电流指令值发生器,基于输出电压和电流控制信号的相位产生输出电流的相位和幅度指令值; 以及基于输出电流的相位和幅度指令值控制回扫转换器的主开关的开关控制器,从而在解决不连续导通模式和边界导电模式的缺点的同时简化电路。

    APPARATUS AND METHOD FOR CHARGING AND DISCHARGING PHOTOVOLTAIC PCS INTEGRATED BATTERY
    20.
    发明申请
    APPARATUS AND METHOD FOR CHARGING AND DISCHARGING PHOTOVOLTAIC PCS INTEGRATED BATTERY 有权
    用于充电和放电光伏PCS集成电池的装置和方法

    公开(公告)号:US20110273130A1

    公开(公告)日:2011-11-10

    申请号:US12899938

    申请日:2010-10-07

    Abstract: There are provided an apparatus and method for charging and discharging a photovoltaic PCS integrated battery applied to a system that includes a first DC/DC converter 110 connected to a solar cell 10, a DC/AC inverter 120, a DC link unit 130 connected in common to output terminals of the first DC/DC converter 110 and the DC/AC inverter 120, and a second DC/DC converter 140 having a bidirectional DC/DC conversion function connected between the DC rink unit 130 and the battery 30. The present invention calculates the amount of photovoltaic power produced by the solar cell 10 based on voltage and current detected in the voltage/current detector 200, determines one of predetermined control modes according to the amount of photovoltaic power and the connection or not of the battery, and controls the first DC/DC converter 110, the second DC/DC converter, and the DC/AC inverter according to the determined control mode.

    Abstract translation: 提供了一种用于充电和放电应用于包括连接到太阳能电池10的第一DC / DC转换器110,DC / AC逆变器120,连接在其上的DC链路单元130的系统的光伏PCS集成电池的装置和方法 与第一DC / DC转换器110和DC / AC逆变器120的输出端子共用的第二DC / DC转换器140以及连接在DC匝道单元130与电池30之间的具有双向DC / DC转换功能的第二DC / DC转换器140。 本发明基于电压/电流检测器200中检测到的电压和电流来计算由太阳能电池10产生的光伏电力的量,根据光伏电力的量和电池的连接而确定预定的控制模式之一,以及 根据确定的控制模式控制第一DC / DC转换器110,第二DC / DC转换器和DC / AC逆变器。

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