公开(公告)号：WO2022208179A1

公开(公告)日：2022-10-06

申请号：PCT/IB2022/051569

申请日：2022-02-23

Applicant: GELSYSTEM S.R.L.

Inventor： BATTAGLINI, Manuel ,  BORDINI, Giuseppe

IPC: H02J3/14 ,  H02J3/38 ,  F25B2400/06 ,  F25B27/00 ,  H02J2300/24 ,  H02J2310/14 ,  H02J2310/52 ,  H02J3/381

Abstract: The present invention relates to a refrigeration system (3) comprising a refrigeration unit (4) having a plurality of refrigeration apparatuses (5, 6, 7) supplied with electricity from both the grid and photovoltaic panels (2). The system comprises a control device (1) which compares the power (Pg) produced by the photovoltaic panels and the power (Pa) absorbed by the refrigeration unit. If Pg is greater than Pa the controller sends a temperature setpoint command that is lower than the standard temperature setpoint to one or more of the refrigeration apparatuses to store the surplus energy as additional cooling.

公开(公告)号：WO2022002458A1

公开(公告)日：2022-01-06

申请号：PCT/EP2021/060982

申请日：2021-04-27

Applicant: BKW ENERGIE AG

Inventor： FREUNEK, Monika

IPC: H02J3/38 ,  G06F30/18 ,  H02J3/24 ,  H02J13/00004 ,  H02J2203/20 ,  H02J3/381

Abstract: Ein Netz (1) zur Verteilung elektrischer Energie, umfasst ein erstes Netzgebiet (10), bestehend aus einer Mehrzahl von lokalen, sich selbst regelnden Funktionsgruppen (11.1...8) mit ersten Quellen, Lasten, Leitungen und/oder Sensor-, Schalt- oder Wandlerkomponenten, wobei jede der Funktionsgruppen (11.1...8) zur Einhaltung zugeordneter Regelgrenzen für Spannungsqualitätsgrössen im Netz (1) ausgebildet ist und wobei das erste Netzgebiet (10) eine erste Grösse hat, und ein zweites Netzgebiet (20) mit zweiten Quellen, Lasten, Leitungen und/oder Sensor-, Schalt- oder Wandlerkomponenten, wobei dem zweiten Netzgebiet (20) eine abgeschätzte Gesamtvarianz der Spannungsqualitätsgrössen zugeordnet ist und wobei das zweite Netzgebiet (20) eine zweite Grösse hat. Die Regelgrenzen der Funktionsgruppen (11.1...8) und die erste Grösse sind so gewählt, dass unter Berücksichtigung der zweiten Grösse und der abgeschätzten Gesamtvarianz vorgegebene Sollbetriebsbereichsgrenzen für das gesamte Netz (1) eingehalten sind.

公开(公告)号：WO2021249663A1

公开(公告)日：2021-12-16

申请号：PCT/EP2020/085980

申请日：2020-12-14

Applicant: EATON INTELLIGENT POWER LIMITED

Inventor： GOKHALE, Manoj ,  MANNEM, Chinmai

IPC: H02J3/00 ,  G06Q10/06 ,  G06Q50/06 ,  G06Q10/063 ,  G06Q10/06315 ,  G06Q30/08 ,  H02J3/0075 ,  H02J3/008 ,  H02J3/381

Abstract: A method of energy distribution from a plurality of energy sources to a plurality of loads is described. The method comprises the following steps. A set of selection options for a load are determined (410). Values are established for the selection options for each of the plurality of loads (420). The loads are then ordered into a load order according to a load ordering parameter (430). The energy sources are ordered in a plurality of sequences (440), where each sequence corresponds to a possible set of values for the selection options and wherein at least one energy source appears in more than one of the plurality of sequences. The loads are then matched with the energy sources according to the load order (450), wherein each load is matched with the sources in the sequence corresponding to the set of values for the selection options established for that load. A computing system adapted to perform this method, and an electrical grid incorporating such a computing system are also described.

公开(公告)号：WO2021246562A1

公开(公告)日：2021-12-09

申请号：PCT/KR2020/007405

申请日：2020-06-08

Applicant: 주식회사 크로센트

Inventor： 소대영 ,  김형준 ,  최근식

IPC: G06Q50/06 ,  H02J3/38 ,  H02J2300/20 ,  H02J3/381

Abstract: 본 발명은 ESS에서 생성되는 데이터를 빠르로 정확하게 가공하거나 저장하여 사용자들에게 필요한 정보를 모델링하여 보여줄 수 있는 클라우드 기반 ESS 에너지관리시스템에 관한 것이다. 이를 위하여, 본 발명은, ESS를 포함한 외부장치로부터 데이터를 수신받는 인터페이스허브; 데이터가 저장되는 데이터허브; 상기 인터페이스허브에 의해 수신된 데이터를 기초로 하여 사용자가 원하는 화면을 표시하여 주는 클라우드플랫폼을 포함하여 구성되며, 상기 인터페이스허브는, 다양한 종류의 데이터를 수집하여 표준화된 데이터로 변환하는 공통모듈변환부; 상기 공통모듈변환부로부터 수신받은 데이터를 동기화하고, 인터페이스허브 내부 및 외부 구성요소간의 데이터 전달을 판단하여 전달하는 메시지 큐; 상기 메시지 큐로부터 데이터를 전송받아 상기 클라우드플랫폼의 요청에 따라 상기 데이터를 가공하는 컨텍스트 브로커를 포함하는 클라우드 기반 ESS 에너지관리시스템을 제공한다. 따라서, 본 발명에 의하면, ESS에서 전송되는 동작상황 및 전력 소비량 등의 ESS와 직접 관련된 데이터 뿐만 아니라, 온도, 습도센서 등 주변 환경에 대한 다양한 이종의 데이터를 빠르고 정확하게 수집하여 관리하고 적절한 부분에 다시 전송하여줌으로써 클라우드 환경에서 데이터의 신뢰도를 향상시키고 더욱 안정성 있는 ESS 환경을 구축할 수 있다.

公开(公告)号：WO2021244806A1

公开(公告)日：2021-12-09

申请号：PCT/EP2021/061120

申请日：2021-04-28

Applicant: SIEMENS GAMESA RENEWABLE ENERGY INNOVATION & TECHNOLOGY S.L.

Inventor： SOTO, Daniel

IPC: H02J3/36 ,  H02J3/38 ,  H02J2300/28 ,  H02J3/381

Abstract: A collector system for a wind power plant that includes one or more wind turbines is provided. The wind power plant collector system comprises a DC collector grid (15), wherein the DC collector grid (15) has a symmetrical monopole topology including a first pole (11) and a second pole (12) of opposite polarity. The DC collector grid (15) is configured to collect electrical power generated by the one or more wind turbines (110) and to transport the collected electrical power to a common converter (20) by means of a DC current having a predetermined current direction in the DC collector grid (15). The common converter (20) is connected to the DC collector grid (15), the common converter being configured to convert DC electrical power received from the DC collector grid (15) and to provide the converted electrical power to a load (130).

公开(公告)号：WO2021219177A1

公开(公告)日：2021-11-04

申请号：PCT/DK2021/050121

申请日：2021-04-22

Applicant: VESTAS WIND SYSTEMS A/S

Inventor： LUND, Torsten ,  NIELSEN, John Godsk ,  ANDERSEN, Gert Karmisholt ,  NAYEBI, Kouroush ,  CHRISTENSEN, Poul Brandt ,  TARNOWSKI, Germán Claudio ,  EBRAHIMZADEHVESHAREH, Esmaeil

IPC: H02J3/32 ,  H02J3/38 ,  H02J2300/28 ,  H02J3/381

Abstract: The invention relates to a method for controlling power generation of a VSM wind turbine. The wind turbine comprises a machine side converter (203), a line side converter (204), a DC link (205), and an electric storage device (241) electrically connected to the DC link. The method comprises determining a first power control signal (PMSC) to the machine side converter (203), determining a second power control signal (PVSM) for controlling a desired output power (Pgrid) of the line side converter (204) based on a storage device voltage error (Vbat_e), and a power production reference (Ppro), and determining a charging current reference (Ibat_ref) for controlling charging and discharging of the electric storage device (241) based on a DC-link voltage error (Vdc_e).

公开(公告)号：WO2021197041A1

公开(公告)日：2021-10-07

申请号：PCT/CN2021/080895

申请日：2021-03-16

Applicant: 浙江大学

Inventor： 万灿 ,  赵长飞 ,  宋永华

IPC: H02J3/00 ,  G06Q10/04 ,  H02J2203/20 ,  H02J2300/28 ,  H02J3/003 ,  H02J3/004 ,  H02J3/381 ,  E10

Abstract: 本发明公开了一种基于机会约束极限学习机的风电功率非参数区间预测方法，属于可再生能源发电预测领域。该方法将极限学习机与机会约束规划模型结合，通过机会约束保证区间覆盖率不低于置信水平，并以最小化区间宽度作为训练目标，避免依赖概率分布假设或限制区间边界分位水平，从而直接构建具有良好可靠性和锐度的预测区间。本发明还提出了一种基于差分凸优化的二分查找算法，实现了对机会约束极限学习机的高效训练。

公开(公告)号：WO2021196406A1

公开(公告)日：2021-10-07

申请号：PCT/CN2020/095827

申请日：2020-06-12

Applicant: 广东安朴电力技术有限公司

Inventor： 彭国平 ,  王红占 ,  周治国 ,  史奔 ,  刘会民 ,  徐元龙 ,  白代兵

IPC: H02J3/38 ,  H02J3/32 ,  H02J3/381 ,  E70

Abstract: 一种输电系统的供电装置，使用变流站储能装置进行备用供电可以保证变流站的控制系统在发电场失电的情况下正常运行，使用发电储能装置进行备用供电可以保证发电场的发电装置在出现故障停机后，能够在不需要外部辅助电源的前提下实现黑启动，最终实现在整个输电系统的黑启动。此外，在黑启动完成之后，变流站储能装置和发电储能装置能够从发电场和发电装置获取电力进行充电。最后，在发电场和发电装置刚开始黑启动时，采用混合供电的方式进行供电，直到发电场和发电装置正常运行之后才会停止使用变流站储能装置和发电储能装置进行供电，确保了输电系统黑启动过程的稳定性和安全性。

公开(公告)号：WO2021190764A1

公开(公告)日：2021-09-30

申请号：PCT/EP2020/058768

申请日：2020-03-27

Applicant: WINJI AG

Inventor： BRODBECK, Bernhard ,  MEYER, Angela

IPC: H02J3/00 ,  H02J3/38 ,  H02J13/00001 ,  H02J2203/20 ,  H02J2300/20 ,  H02J3/004 ,  H02J3/381

Abstract: The invention relates to a device (100) for evaluating the operation of a power plant (WPP), the device including an input unit (102) for receiving SCADA input values of explanatory variables relating to the operation of the power plant (WPP), said explanatory variables including at least one operation assessing variable suitable for assessing the operation of the power plant (WPP), an output unit (106) for outputting at least one response signal, and an evaluating unit (104). The evaluating unit (104) receives said SCADA input values from the input unit (102), calculates for the or each operation assessing variable a respective expected value on the basis of input values of explanatory variables different from said operation assessing variable(s), using at least one statistical and/or machine learning regression algorithm, determines said at least one response signal in dependence upon the respective actual input value the corresponding expected value, and transfers said at least one response signal to the output unit (106).

公开(公告)号：WO2021148096A1

公开(公告)日：2021-07-29

申请号：PCT/DK2021/050017

申请日：2021-01-19

Applicant: VESTAS WIND SYSTEMS A/S

Inventor： BARON, Arne ,  WEI, Mu ,  PELZER, Nils ,  CLAUSEN, Ulf ,  MØLLER, Henrik

IPC: H02J3/48 ,  H02J11/00 ,  H02J2300/28 ,  H02J2310/18 ,  H02J3/381

Abstract: Aspects of the present invention relate to a method (100) of controlling a renewable power plant (12) comprising a plurality of renewable power generators (14) electrically connected by a local network (19) and configured to supply active power to a main network (16). The method (100) comprises: in response to receiving a signal requesting substantially zero active power supply to the main network (16): categorising (116, 118) a generator as power-supplying, and the remaining generators as power-consuming; operating (118) the power-consuming generators to generate no active power and to have their auxiliary systems draw power from the local network (19); and operating (116) the power-supplying generator to supply active power to the local network (19) such that the plant supplies substantially zero active power to the main network (16).