公开(公告)号：EP2503427A1

公开(公告)日：2012-09-26

申请号：EP11159367.9

申请日：2011-03-23

Applicant: ABB Research Ltd.

Inventor： Escobar, Gerardo ,  Ho, Ngai-Man ,  Pettersson, Sami ,  Serpa, Leonardo-Augusto ,  Coccia, Antonio

IPC: G05F1/67

CPC classification number: G05F1/67 ,  Y02E10/58 ,  Y10T307/685

Abstract: A method for searching a global maximum power point in an arrangement comprising a series connection of photovoltaic power sources, wherein the method comprises 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.

Abstract translation: 一种用于在包括光伏电源的串联连接的布置中搜索全局最大功率点的方法，其中所述方法包括通过将增量与所述参考的先前值相加来确定参考值，其中所述增量的值为 根据电源产生的功率确定。

公开(公告)号：EP2424112A9

公开(公告)日：2012-07-04

申请号：EP10173694.0

申请日：2010-08-23

Applicant: ABB Research Ltd

Inventor： Alvarez Valenzuela, Rodrigo ,  Fink, Karsten ,  Bernet, Steffen ,  Coccia, Antonio

IPC: H03K17/12 ,  H03K17/082 ,  H03K17/042

CPC classification number: H03K17/082 ,  H03K17/042 ,  H03K17/12

Abstract: 1. A method and an arrangement of balancing switching transient behaviour of parallel connected power semiconductor components. The method comprises steps of providing a switch signal (s) to the parallel connected power semiconductor components (Xi) for changing the state of the components, forming control signals for each of the parallel connected components from the switch signal, determining during the change of state of the power semiconductor component the voltage induced to an inductance in the main current path of the component in each of the parallel connected components, comparing each of the induced voltages with a predetermined threshold voltage, measuring time differences between the time instants at which the induced voltages crosses the threshold voltage, and modifying one or multiple of the control signals on the basis of the measured time differences in the respective following state change for balancing the switching transient behaviour.

公开(公告)号：EP2424112A1

公开(公告)日：2012-02-29

申请号：EP10173694.0

申请日：2010-08-23

Applicant: ABB Research Ltd

Inventor： Alvarez Valenzuela, Rodrigo ,  Fink, Karsten ,  Bernet, Steffen ,  Coccia, Antonio

IPC: H03K17/12 ,  H03K17/082 ,  H03K17/042

CPC classification number: H03K17/082 ,  H03K17/042 ,  H03K17/12

Abstract: 1. A method and an arrangement of balancing switching transient behaviour of parallel connected power semiconductor components. The method comprises steps of providing a switch signal (s) to the parallel connected power semiconductor components (Xi) for changing the state of the components, forming control signals for each of the parallel connected components from the switch signal, determining during the change of state of the power semiconductor component the voltage induced to an inductance in the main current path of the component in each of the parallel connected components, comparing each of the induced voltages with a predetermined threshold voltage, measuring time differences between the time instants at which the induced voltages crosses the threshold voltage, and modifying one or multiple of the control signals on the basis of the measured time differences in the respective following state change for balancing the switching transient behaviour.

Abstract translation: 1.一种平衡并联功率半导体组件的开关瞬态行为的方法和布置。 该方法包括以下步骤：向并联连接的功率半导体组件（Xi）提供开关信号以改变组件的状态，从开关信号形成每个并联连接组件的控制信号，在改变 所述功率半导体器件的所述状态为在每个所述并联连接的器件中的所述器件的所述主电流路径中感应到的电感的电压，将每个所述感应电压与预定的阈值电压进行比较，测量在所述时间点 感应电压跨越阈值电压，并且基于在相应的随后的状态改变中测量的时间差来修改一个或多个控制信号以平衡开关瞬态行为。

公开(公告)号：EP2367275B1

公开(公告)日：2017-10-25

申请号：EP10156854.1

申请日：2010-03-18

Applicant: ABB Research Ltd

Inventor： Serpa, Leonardo-Augusto ,  Canales, Francisco ,  Ho, Ngai-Man ,  Coccia, Antonio

IPC: H02M3/158

CPC classification number: H02M3/158

公开(公告)号：EP2362515B1

公开(公告)日：2012-07-25

申请号：EP10154113.4

申请日：2010-02-19

Applicant: ABB Research Ltd

Inventor： Coccia, Antonio ,  Escobar, Gerardo ,  Serpa, Leonardo-Augusto ,  Paakkinen, Mikko ,  Pettersson, Sami

IPC: H02J3/01

CPC classification number: H02J3/01 ,  Y02E40/40

公开(公告)号：EP2372376A9

公开(公告)日：2011-12-21

申请号：EP10158614.7

申请日：2010-03-31

Applicant: ABB Research Ltd

Inventor： Escobar, Gerardo ,  Coccia, Antonio ,  Serpa, Leonardo-Augusto ,  Pettersson, Sami ,  De-Novaes, Yales

IPC: G01R19/25

CPC classification number: G01R23/02 ,  G01R19/2513

Abstract: Method and arrangement for estimating the frequency and the positive sequence of a fundamental component of a measured three-phase voltage (ν αβ ) the method comprising the steps of measuring the three-phase voltage (ν αβ ), calculating estimates of the fundamental frequency voltage component (ν̂ αβ,1 ) and the difference (ϕ̂ αβ,1 ) between positive and negative sequence components of the fundamental frequency voltage from the error (ν̃ αβ ) between the measured three-phase voltage (ν αβ ) and the calculated estimate of the fundamental frequency voltage component (ν̂ αβ,1 ) and from an estimate of the angular frequency (ω̂ 0 ) of the fundamental voltage component, wherein the estimate of the angular frequency (ω̂ 0 ) of the fundamental voltage component is calculated from the estimated difference (ϕ̂ αβ,1 ) and from the error (ν̃ αβ ) between the measured three-phase voltage and the calculated estimate of the fundamental component.

公开(公告)号：EP2362515A9

公开(公告)日：2011-11-23

申请号：EP10154113.4

申请日：2010-02-19

Applicant: ABB Research Ltd

Inventor： Coccia, Antonio ,  Escobar, Gerardo ,  Serpa, Leonardo-Augusto ,  Paakkinen, Mikko ,  Pettersson, Sami

IPC: H02J3/01

CPC classification number: H02J3/01 ,  Y02E40/40

Abstract: 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 comprising the steps of measuring a grid voltage (ν S ) and at least one signal in a group of signals comprising a grid-side current ( i 0 ), a converter-side current ( i 1 ) and a capacitor voltage ( ν C 0 ). The method comprises the steps of estimating the fundamental component ( ν S ,1 ) of the grid voltage ( ν S ), 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 using the fundamental component of the grid voltage (ν S,1 ), forming estimates for the non-measured signals in said group of signals, forming a grid-side current difference term ( ĩ 0 ), a converter-side current difference term ( ĩ 1 ) and a capacitor voltage difference term ( ν̃ C 0 ) 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 ( ĩ 0 ), the converter-side current difference term ( ĩ 1 ) and the capacitor voltage difference term (ν̃ C 0 ) are used, forming an estimate of harmonic distortion term (φ̂) using the grid-side current difference term ( ĩ 0 ), 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 (φ̂) to produce a grid side ( i 0 ) current corresponding to the current reference.

公开(公告)号：EP2372486A1

公开(公告)日：2011-10-05

申请号：EP10158569.3

申请日：2010-03-31

Applicant: ABB Research Ltd

Inventor： Coccia, Antonio ,  Escobar, Gerardo ,  Serpa, Leonardo-Augusto ,  Paakkinen, Mikko ,  Pettersson, Sami

IPC: G05F1/67

CPC classification number: G05F1/67 ,  Y02E10/58

Abstract: A method and an arrangement for tracking the maximum power point of a photovoltaic module, the method comprising measuring current ( i ) from the photovoltaic module, measuring output voltage (ν C ) of the photovoltaic module, calculating power ( p ) of the module as the product of the measured current ( i ) and output voltage (ν C ). The method further comprises extracting a selected harmonic component ( p̃ ) from the calculated power ( p ), extracting a selected harmonic component ( ν̃ C ) from the measured voltage (ν C ), multiplying the extracted harmonic components of power and voltage, extracting a DC component (〈 p̃ν̃ C 〉 DC ) from the obtained product ( p̃ν̃ C ), and forming a control signal (P; V ref ) for controlling an inverter connected to the photovoltaic module by using the extracted DC component in a PI algorithm.

Abstract translation: 一种用于跟踪光伏模块，所述方法包括从所述光伏模块的测量电流（i）的最大功率点，测量光伏模块的输出电压（1/2 C），计算所述模块的功率（P），其方法和装置的 的电流的测得的产物（i）和输出电压（1/2 C）。 该方法还包括提取从所计算的功率（P）的选定谐波分量（P），从提取的测量电压（1/2 C）所选择的谐波分量（1/2 C）乘以功率和电压的所提取的高次谐波成分，提取 DC分量（OE©p½çŒªDC）从所获得的产品（P½C），并形成控制信号（P; V REF），用于在由一个PI使用所提取的DC分量连接到光伏模块逆变器控制 算法。

公开(公告)号：EP2367275A1

公开(公告)日：2011-09-21

申请号：EP10156854.1

申请日：2010-03-18

Applicant: ABB Research Ltd

Inventor： Serpa, Leonardo-Augusto ,  Canales, Francisco ,  Ho, Ngai-Man ,  Coccia, Antonio

IPC: H02M3/158

CPC classification number: H02M3/158

Abstract: A non-isolated DC - DC converter for a solar power plant, the non-isolated DC - DC converter being adapted to be connected to a full-bridge inverter.

Abstract translation: 一种用于太阳能发电厂的非隔离DC-DC转换器，非隔离DC-DC转换器适于连接到全桥逆变器。

公开(公告)号：EP2262088A1

公开(公告)日：2010-12-15

申请号：EP09162384.3

申请日：2009-06-10

Applicant: ABB Research Ltd.

Inventor： Coccia, Antonio ,  Canales, Francisco ,  Ho, Ngai-Man ,  De-Novaes, Yales

IPC: H02M3/335

CPC classification number: H02M3/33523 ,  H02M3/33569 ,  H02M2001/0058 ,  H02M2001/0074 ,  Y02B70/1433 ,  Y02B70/1491

Abstract: Die Erfindung betrifft eine DC-DC-Wanderschaltung (1) zum Umwandeln einer Eingangsgröße (U In ) in eine Ausgangsgröße (U A ), umfassend:
- einen Umrichter (2) zum Empfangen der Eingangsgröße und zum Generieren einer getakteten Umrichterausgangsgröße (U AB );
- einen Transformator (5) zum Umsetzen einer von der Umrichterausgangsgröße (U AB ) des Umrichter (2) abhängigen Primärgröße in eine Sekundärgröße;
- einen Gleichrichter (6) zum Generieren der Ausgangsgröße (U A ) durch Gleichrichten der von dem Transformator (5) bereitgestellten Sekundärgröße,

wobei der Umrichter (2) einem Mehr-Pegel-Umrichter entspricht, der durch serielle Verschaltung von mehreren drei- oder mehrstufigen Stellerschaltungen (21, 22) ausgebildet ist, wobei mindestens zwei der Stellerschaltungen (21, 22) einen Umrichterausgang (A, B) aufweisen, um die Umrichterausgangsgröße (U AB ) bereitzustellen.

Abstract translation: 直流到直流电流转换器电路（1）包括用于接收输入变量并用于产生时钟转换器输出变量的转换器（2）。 提供变压器（5），用于将主变量转换成次变量。 主变量取决于转换器的转换器输出变量。 还包括用于操作转换器电路的方法的独立权利要求。