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1. 发明申请

US20120242152A1 METHOD FOR SEARCHING GLOBAL MAXIMUM POWER POINT 审中-公开
标题翻译：搜索全球最大功率点的方法
公开(公告)号：US20120242152A1
公开(公告)日：2012-09-27
申请号：US13427259
申请日：2012-03-22
申请人： Gerardo ESCOBAR , Ngai-Man Ho , Sami Pettersson , Leonardo-Augusto Serpa , Antonio Coccia
发明人： Gerardo ESCOBAR , Ngai-Man Ho , Sami Pettersson , Leonardo-Augusto Serpa , Antonio Coccia
IPC分类号： H02J1/00
CPC分类号： G05F1/67 , Y02E10/58 , Y10T307/685
摘要： An exemplary method is disclosed for searching a global maximum power point in an arrangement comprising a series connection of photovoltaic power sources. The method can include determining a value of a reference by adding an increment to a previous value of the reference, wherein the value of the increment is determined on the basis of the power produced by the power sources.
摘要翻译：公开了用于在包括光伏电源的串联连接的装置中搜索全局最大功率点的示例性方法。该方法可以包括通过将增量加到参考的先前值来确定参考值，其中根据由电源产生的功率来确定增量的值。

2. 发明授权

US08751177B2 Method and arrangement for estimating angular frequency 失效
标题翻译：估计角频率的方法和装置
公开(公告)号：US08751177B2
公开(公告)日：2014-06-10
申请号：US13075827
申请日：2011-03-30
申请人： Gerardo Escobar , Antonio Coccia , Leonardo-Augusto Serpa , Sami Pettersson , Yales De-Novaes
发明人： Gerardo Escobar , Antonio Coccia , Leonardo-Augusto Serpa , Sami Pettersson , Yales De-Novaes
IPC分类号： G06F19/00 , G01R23/02
CPC分类号： G01R23/02 , G01R19/2513
摘要： An exemplary method and arrangement for estimating the frequency and the positive sequence of a fundamental component of a measured three-phase voltage are disclosed (ναβ). The method includes measuring the three-phase voltage (ναβ), calculating estimates of a fundamental frequency voltage component ({circumflex over (ν)}αβ,1) and a difference ({circumflex over (φ)}αβ,1) between positive and negative sequence components of the fundamental frequency voltage from an error ({tilde over (ν)}αβ) between the measured three-phase voltage (ναβ) and at least one of the calculated estimates of the fundamental frequency voltage component ({circumflex over (ν)}αβ,1) and from an estimate of the angular frequency ({circumflex over (ω)}0) of the fundamental frequency voltage component, wherein the estimate of the angular frequency ({circumflex over (ω)}0) of the fundamental frequency voltage component is calculated from at lest one of the estimated differences ({circumflex over (φ)}αβ,1) and from the error ({tilde over (ν)}αβ) between the measured three-phase voltage and at least one of the calculated estimates of the fundamental frequency voltage component.
摘要翻译：公开了一种用于估计测量的三相电压的基波分量的频率和正序列的示例性方法和装置（＆ngr;α＆bgr;）。该方法包括测量三相电压（＆ngr;α＆bgr;），计算基频电压分量（{gyflex over（＆ngr;）}α＆bgr;，1）和差（{circumflex over（＆phgr α＆bgr; 1）在测量的三相电压（＆ngr;α＆bgr）之间的误差（{ti =（＆ngr;）}α＆bgr））的基频电压的正和负序分量之间，基频电压分量的估计值（{circumflex over（＆ngr;）}α＆bgr;，1）以及基频电压分量的角频率（{回旋过（ω）} 0）的估计，其中估计基本频率电压分量的角频率（{circumflex over（ω）} 0）从估计的差异（{circumflex over（＆phgr？）}α＆bgr;，1）和误差（{ 测量的三相电压与计算的至少一个之间的波形（＆ngr;）}α＆bgr 估计基频电压分量。

3. 发明授权

US08553434B2 Control method for single-phase grid-connected LCL inverter 有权
标题翻译：单相并联LCL逆变器的控制方法
公开(公告)号：US08553434B2
公开(公告)日：2013-10-08
申请号：US13030501
申请日：2011-02-18
申请人： Antonio Coccia , Gerardo Escobar , Leonardo-Augusto Serpa , Mikko Paakkinen , Sami Pettersson
发明人： Antonio Coccia , Gerardo Escobar , Leonardo-Augusto Serpa , Mikko Paakkinen , Sami Pettersson
IPC分类号： H02M1/12 , H02M1/14
CPC分类号： H02J3/01 , Y02E40/40
摘要： A method of controlling the grid-side current of a single-phase grid-connected converter having an LCL filter connected between the output of the converter and the grid includes measuring a grid voltage and at least one signal in a group of signals consisting of a grid-side current, a converter-side current and a capacitor voltage, estimating the fundamental component of the grid voltage, forming a grid-side current reference, a converter-side current reference and a capacitor voltage reference for the grid-side current of the LCL filter, forming estimates for the non-measured signals in the group of signals, forming a grid-side current difference term, a converter-side current difference term and a capacitor voltage difference term, and controlling the output voltage of the converter based on the grid voltage, a formed injection term and a formed estimate of the harmonic distortion term to produce a grid side current corresponding to the current reference.
摘要翻译：控制具有连接在转换器的输出端和电网之间的LCL滤波器的单相并网转换器的电网侧电流的方法包括测量电网电压和由一组信号组成的一组信号中的至少一个信号电网侧电流，转换器侧电流和电容器电压，估计电网电压的基波分量，形成电网侧电流基准，转换器侧电流基准和电容器电压基准，用于电网侧电流 LCL滤波器，形成组信号中的未测量信号的估计，形成电网侧电流差项，转换器侧电流差项和电容器电压差项，并且基于转换器的输出电压控制电网电压，形成的注入项和形成的谐波失真项的估计，以产生对应于电流参考的电网侧电流。

4. 发明申请

US20110221420A1 CONTROL METHOD FOR SINGLE-PHASE GRID-CONNECTED LCL INVERTER 有权
标题翻译：单相联网LCL逆变器的控制方法
公开(公告)号：US20110221420A1
公开(公告)日：2011-09-15
申请号：US13030501
申请日：2011-02-18
申请人： Antonio COCCIA , Gerardo Escobar , Leonardo-Augusto Serpa , Mikko Paakkinen , Sami Pettersson
发明人： Antonio COCCIA , Gerardo Escobar , Leonardo-Augusto Serpa , Mikko Paakkinen , Sami Pettersson
IPC分类号： H01F38/00
CPC分类号： H02J3/01 , Y02E40/40
摘要： A method of controlling the grid-side current of a single-phase grid-connected converter having an LCL filter connected between the output of the converter and the grid. The method includes measuring a grid voltage (vS) and at least one signal in a group of signals consisting of a grid-side current (i0), a converter-side current (i1) and a capacitor voltage (vC0). The method includes estimating the fundamental component (vS,1) of the grid voltage (vS), forming a grid-side current reference (i0*), a converter-side current reference (i1*) and a capacitor voltage reference (vC0*) for the grid-side current of the LCL filter using the fundamental component of the grid voltage (vS,1), forming estimates for the non-measured signals in said group of signals, forming a grid-side current difference term (ĩ0), a converter-side current difference term (ĩ1) and a capacitor voltage difference term ({tilde over (v)}C0) from the differences between the references and measured/estimated values of said signals, forming an injection term for damping the resonance of the LCL filter by using an active damping injection mechanism (ADI), in which the grid-side current difference term (ĩ0), the converter-side current difference term (ĩ1) and the capacitor voltage difference term ({tilde over (v)}C0) are used, forming an estimate of harmonic distortion term ({circumflex over (φ)}) using the grid-side current difference term (ĩ0), and controlling the output voltage (e) of the converter on the basis of the grid voltage, formed injection term and formed estimate of the harmonic distortion term ({circumflex over (φ)}) to produce a grid side (i0) current corresponding to the current reference.
摘要翻译：一种控制具有连接在转换器的输出端与电网之间的LCL滤波器的单相并网转换器的并网电流的方法。该方法包括测量由电网侧电流（i0），转换器侧电流（i1）和电容器电压（vC0）组成的一组信号中的电网电压（vS）和至少一个信号。该方法包括估计电网电压（vS）的基波分量（vS，1），形成电网侧电流基准（i0 *），转换器侧电流参考值（i1 *）和电容器参考电压（vC0 * ）对于使用电网电压（vS，1）的基波分量的LCL滤波器的电网侧电流，形成所述信号组中的未测量信号的估计值，形成电网侧电流差值项（ĩ0），转换器侧电流差异项（ĩ1）和电容器电压差项（{tilde over（v）} C0）与参考值和所述信号的测量/估计值之间的差异形成用于阻尼谐振的注入项通过使用有源阻尼注入机构（ADI），其中电网侧电流差项（ĩ0），转换器侧电流差项（ĩ1）和电容器电压差项（{tilde over（v ）} C0），形成谐波失真项的估计（{ 使用电网侧电流差异项（ĩ0），并根据电网电压控制转换器的输出电压（e），形成注入项和谐波失真项的形成估计（＆phgr;）}）（{circumflex over（＆phgr;）}）以产生对应于当前参考的网格边（i0）电流。

5. 发明申请

US20110241652A1 METHOD AND ARRANGEMENT FOR ESTIMATING ANGULAR FREQUENCY 失效
标题翻译：估计角速度的方法和布置
公开(公告)号：US20110241652A1
公开(公告)日：2011-10-06
申请号：US13075827
申请日：2011-03-30
申请人： Gerardo Escobar , Antonio Coccia , Leonardo-Augusto Serpa , Sami Pettersson , Yales De-Novaes
发明人： Gerardo Escobar , Antonio Coccia , Leonardo-Augusto Serpa , Sami Pettersson , Yales De-Novaes
IPC分类号： G01R23/02
CPC分类号： G01R23/02 , G01R19/2513
摘要： An exemplary method and arrangement for estimating the frequency and the positive sequence of a fundamental component of a measured three-phase voltage are disclosed (ναβ). The method includes measuring the three-phase voltage (ναβ), calculating estimates of a fundamental frequency voltage component ({circumflex over (ν)}αβ,1) and a difference ({circumflex over (φ)}αβ,1) between positive and negative sequence components of the fundamental frequency voltage from an error ({tilde over (ν)}αβ) between the measured three-phase voltage (ναβ) and at least one of the calculated estimates of the fundamental frequency voltage component ({circumflex over (ν)}αβ,1) and from an estimate of the angular frequency ({circumflex over (ω)}0) of the fundamental frequency voltage component, wherein the estimate of the angular frequency ({circumflex over (ω)}0) of the fundamental frequency voltage component is calculated from at lest one of the estimated differences ({circumflex over (φ)}αβ,1) and from the error ({tilde over (ν)}αβ) between the measured three-phase voltage and at least one of the calculated estimates of the fundamental frequency voltage component.
摘要翻译：公开了一种用于估计测量的三相电压的基波分量的频率和正序列的示例性方法和装置（＆ngr;α＆bgr;）。该方法包括测量三相电压（＆ngr;α＆bgr;），计算基频电压分量（{gyflex over（＆ngr;）}α＆bgr;，1）和差（{circumflex over（＆phgr α＆bgr; 1）在测量的三相电压（＆ngr;α＆bgr）之间的误差（{ti =（＆ngr;）}α＆bgr））的基频电压的正和负序分量之间，基频电压分量的估计值（{circumflex over（＆ngr;）}α＆bgr;，1）以及基频电压分量的角频率（{回旋过（ω）} 0）的估计，其中估计基本频率电压分量的角频率（{circumflex over（ω）} 0）从估计的差异（{circumflex over（＆phgr？）}α＆bgr;，1）和误差（{ 测量的三相电压与计算的至少一个之间的波形（＆ngr;）}α＆bgr 估计基频电压分量。

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