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1
AU2018101070A4
AUTOMATIC VOLTAGE CONTROL METHOD, DEVICE AND SYSTEM FOR WIND FARM
Publication/Patent Number: AU2018101070A4 Publication Date: 2018-09-06 Application Number: 2018101070 Filing Date: 2018-08-02 Inventor: Wang, Yuqiang   Tao, Jun   Hu, Hongbin   Han, Junfei   Yang, Baofeng   Assignee: INNER MONGOLIA ELECTRIC POWER RESEARCH INSTITUTE BRANCH OF INNER MONGOLIA ELECTRIC POWER (GROUP) CO., LTD.   IPC: H02J3/18 Abstract: An automatic voltage control method, device and system are provided according to the present application. The automatic voltage control method includes: inputting target values of historical power grid control voltage, operating condition information and reactive power information of each equipment in the wind farm for a plurality of predetermined historical periods, and safety constraint information for each equipment in a power grid and the wind farm to a preset optimization algorithm model, and training the optimization algorithm model, and then getting optimal coefficients corresponding to the operating condition information and reactive power information of each equipment in the wind farm, and the safety constraint information of each equipment in the power grid and wind farm respectively; receiving a target value of the real-time power grid control voltage transmitted by a power grid dispatching system; calculating reactive power information of each equipment in the wind farm according to the target value of the real-time power grid control voltage, real-time operating condition information of each equipment in the wind farm, the optimal coefficient, and the safety constraint information of the equipment in the power grid and the wind farm; controlling reactive power output of each equipment in the wind farm according to the reactive power information of each equipment in the wind farm, to achieve a voltage at the common connection point of the wind farm and the power grid equal to the target value of the real-time power gird control voltage. inputting target values of historical power grid control voltage, operating condition information and reactive power information of each equipment in the wind farm for a plurality of predetermined historical periods, and safety constraint information for each equipment in a power grid and the wind farm to a preset optimization algorithm model, and training the optimization algorithm model, and then getting optimal coefficients receiving a target value of the real-time power grid control voltage transmitted by a power grid dispatching system c alculating reactive power information of each equipment in the wind farm according to the target value of the real-time power grid control voltage, real-time operating condition information of each equipment in the wind farm, the optimal coefficient, and the safety constraint information of the equipment in the power network and the wind farm controlling reactive power output of each equipment in the wind farm according to the reactive power information of each equipment in the wind farm, to achieve a voltage at the common connection point of the wind farm and the power grid equal to the target value of the real time power gird control voltage Figure 1
2
US2016320435A1
WIDE-AREA, REAL-TIME MONITORING AND VISUALIZATION SYSTEM
Publication/Patent Number: US2016320435A1 Publication Date: 2016-11-03 Application Number: 14/954,886 Filing Date: 2015-11-30 Inventor: Budhraja, Vikram S.   Dyer, James D.   Martinez, Morales Carlos A.   Assignee: ELECTRIC POWER GROUP, LLC   IPC: G01R21/133 Abstract: A real-time performance monitoring system for monitoring an electric power grid. The electric power grid has a plurality of grid portions, each grid portion corresponding to one of a plurality of control areas. The real-time performance monitoring system includes a monitor computer for monitoring at least one of reliability metrics, generation metrics, transmission metrics, suppliers metrics, grid infrastructure security metrics, and markets metrics for the electric power grid. The data for metrics being monitored by the monitor computer are stored in a data base, and a visualization of the metrics is displayed on at least one display computer having a monitor. The at least one display computer in one said control area enables an operator to monitor the grid portion corresponding to a different said control area.
3
US9507884B2
Modeling system and modeling method based on logical relation
Publication/Patent Number: US9507884B2 Publication Date: 2016-11-29 Application Number: 13/956,831 Filing Date: 2013-08-01 Inventor: Li, Jian Ying   Zhao, Sheng Chuan   Liu, Yuan Long   Luo, Lu Dong   Wang, Qiang   Zhang, Yuan   Wang, Wen Gang   Wang, Chao   Zhang, Rui Peng   Wang, Li   Wang, Ze Zhong   Wang, Gong Pu   Yang, Xin   Yang, Hui   Assignee: QINGDAO POWER SUPPLY COMPANY OF SHANDONG ELECTRIC POWER GROUP CORPORATION   IPC: G06F17/50 Abstract: A modeling system and modeling method based on a logical relation, including an operation task integrating module, a task interpreter, a graph layout correcting module, a graph wiring correcting module and a database model increment correcting module, wherein the database model increment correcting module includes a graph increment calculating unit and a model increment calculating unit. The system, through description of the logical relation and based on support of the automatic wiring technology, realizes the graph-model integrated generation of a new grid model of the power system which is based on the description of the logical relation; the grid model is completely defined and modified on “one net”, which is different from the original way that the power system model is established on countless net graphs, thereby helping the grid operation manager to accurately and rapidly establish and modify the grid model of the full system.
4
US2014039865A1
MODELING SYSTEM AND MODELING METHOD BASED ON LOGICAL RELATION
Publication/Patent Number: US2014039865A1 Publication Date: 2014-02-06 Application Number: 13/956,831 Filing Date: 2013-08-01 Inventor: Li, Jian Ying   Zhao, Sheng Chuan   Liu, Yuan Long   Luo, Lu Dong   Wang, Qiang   Zhang, Yuan   Wang, Wen Gang   Wang, Chao   Zhang, Rui Peng   Wang, Li   Wang, Ze Zhong   Wang, Gong Pu   Yang, Xin   Yang, Hui   Assignee: QINGDAO POWER SUPPLY COMPANY OF SHANDONG ELECTRIC POWER GROUP CORPORATION   IPC: G06F17/50 Abstract: A modeling system and modeling method based on a logical relation, including an operation task integrating module, a task interpreter, a graph layout correcting module, a graph wiring correcting module and a database model increment correcting module, wherein the database model increment correcting module includes a graph increment calculating unit and a model increment calculating unit. The system, through description of the logical relation and based on support of the automatic wiring technology, realizes the graph-model integrated generation of a new grid model of the power system which is based on the description of the logical relation; the grid model is completely defined and modified on “one net”, which is different from the original way that the power system model is established on countless net graphs, thereby helping the grid operation manager to accurately and rapidly establish and modify the grid model of the full system.
5
US2013282314A1
WIDE-AREA, REAL-TIME MONITORING AND VISUALIZATION SYSTEM
Publication/Patent Number: US2013282314A1 Publication Date: 2013-10-24 Application Number: 13/846,895 Filing Date: 2013-03-18 Inventor: Budhraja, Vikram S.   Dyer, James D.   Martinez, Morales Carlos A.   Assignee: ELECTRIC POWER GROUP, LLC   IPC: G01R21/133 Abstract: A real-time performance monitoring system for monitoring an electric power grid. The electric power grid has a plurality of grid portions, each grid portion corresponding to one of a plurality of control areas. The real-time performance monitoring system includes a monitor computer for monitoring at least one of reliability metrics, generation metrics, transmission metrics, suppliers metrics, grid infrastructure security metrics, and markets metrics for the electric power grid. The data for metrics being monitored by the monitor computer are stored in a data base, and a visualization of the metrics is displayed on at least one display computer having a monitor. The at least one display computer in one said control area enables an operator to monitor the grid portion corresponding to a different said control area.
6
US8401710B2
Wide-area, real-time monitoring and visualization system
Publication/Patent Number: US8401710B2 Publication Date: 2013-03-19 Application Number: 13/249,152 Filing Date: 2011-09-29 Inventor: Budhraja, Vikram S.   Dyer, James D.   Martinez, Morales Carlos A.   Assignee: Electric Power Group, LLC   IPC: G06F19/00 Abstract: A real-time performance monitoring system for monitoring an electric power grid. The electric power grid has a plurality of grid portions, each grid portion corresponding to one of a plurality of control areas. The real-time performance monitoring system includes a monitor computer for monitoring at least one of reliability metrics, generation metrics, transmission metrics, suppliers metrics, grid infrastructure security metrics, and markets metrics for the electric power grid. The data for metrics being monitored by the monitor computer are stored in a data base, and a visualization of the metrics is displayed on at least one display computer having a monitor. The at least one display computer in one said control area enables an operator to monitor the grid portion corresponding to a different said control area.
7
US2013326388A1
POWER GRID VISUALIZATION SYSTEM AND METHOD BASED ON THREE-DIMENSIONAL GIS TECHNOLOGY
Publication/Patent Number: US2013326388A1 Publication Date: 2013-12-05 Application Number: 13/906,728 Filing Date: 2013-05-31 Inventor: Shi, Xiang   Zhao, Sheng Chuan   Chen, Zhi Yong   Wang, Xing Zhao   Han, Ke Cun   Zhang, Li Qun   Wang, You Jie   Liu, Cheng Ming   Xu, Qiang   Lan, Xian Ming   Assignee: STATE GRID CORPORATION OF CHINA   QINGDAO POWER SUPPLY COMPANY OF SHANDONG ELECTRIC POWER GROUP CORPORATION   IPC: G06F3/0481 Abstract: The invention relates to a power grid visualization system and a power grid visualization method based on a three-dimensional geographic information system (GIS) technology. Models to be loaded are divided into different model loading subtasks according to the difference of object types included in a scene to be loaded, and model files are called in parallel from a plurality of subtasks in a multi-thread mode; and meanwhile, on the basis that loading tasks are divided into a plurality of model loading subtasks according to the loaded object types, model files of objects of each type are only read once, moreover, reuse of the model files is not limited to a client loading task, different clients can reuse the read model files, and the characteristics of limited type and relatively consistent specification of power equipment are fully considered, so that rereading of the model files of the same type is avoided.
8
US2012022707A1
WIDE-AREA, REAL-TIME MONITORING AND VISUALIZATION SYSTEM
Publication/Patent Number: US2012022707A1 Publication Date: 2012-01-26 Application Number: 13/249,152 Filing Date: 2011-09-29 Inventor: Budhraja, Vikram S.   Dyer, James D.   Morales, Carlos A. Martinez   Assignee: Electric Power Group, LLC   IPC: G06F1/28 Abstract: A real-time performance monitoring system for monitoring an electric power grid. The electric power grid has a plurality of grid portions, each grid portion corresponding to one of a plurality of control areas. The real-time performance monitoring system includes a monitor computer for monitoring at least one of reliability metrics, generation metrics, transmission metrics, suppliers metrics, grid infrastructure security metrics, and markets metrics for the electric power grid. The data for metrics being monitored by the monitor computer are stored in a data base, and a visualization of the metrics is displayed on at least one display computer having a monitor. The at least one display computer in one said control area enables an operator to monitor the grid portion corresponding to a different said control area.
9
US8060259B2
Wide-area, real-time monitoring and visualization system
Publication/Patent Number: US8060259B2 Publication Date: 2011-11-15 Application Number: 11/764,145 Filing Date: 2007-06-15 Inventor: Budhraja, Vikram S.   Dyer, James D.   Martinez, Morales Carlos A.   Assignee: Electric Power Group, LLC   IPC: G06F19/00 Abstract: A real-time performance monitoring system for monitoring an electric power grid. The electric power grid has a plurality of grid portions, each grid portion corresponding to one of a plurality of control areas. The real-time performance monitoring system includes a monitor computer for monitoring at least one of reliability metrics, generation metrics, transmission metrics, suppliers metrics, grid infrastructure security metrics, and markets metrics for the electric power grid. The data for metrics being monitored by the monitor computer are stored in a data base, and a visualization of the metrics is displayed on at least one display computer having a monitor. The at least one display computer in one said control area enables an operator to monitor the grid portion corresponding to a different said control area.
10
US2010100250A1
REAL-TIME PERFORMANCE MONITORING AND MANAGEMENT SYSTEM
Publication/Patent Number: US2010100250A1 Publication Date: 2010-04-22 Application Number: 11/764,145 Filing Date: 2007-06-15 Inventor: Budhraja, Vikram S.   Dyer, James D.   Martinez, Morales Carlos A.   Assignee: Electric Power Group, LLC   IPC: G06F19/00 Abstract: A real-time performance monitoring system for monitoring an electric power grid. The electric power grid has a plurality of grid portions, each grid portion corresponding to one of a plurality of control areas. The real-time performance monitoring system includes a monitor computer for monitoring at least one of reliability metrics, generation metrics, transmission metrics, suppliers metrics, grid infrastructure security metrics, and markets metrics for the electric power grid. The data for metrics being monitored by the monitor computer are stored in a data base, and a visualization of the metrics is displayed on at least one display computer having a monitor. The at least one display computer in one said control area enables an operator to monitor the grid portion corresponding to a different said control area.
11
CA2590632A1
INTELLIGENT SYSTEM FOR COLLECTING READINGS FROM ELECTRIC METERS
Publication/Patent Number: CA2590632A1 Publication Date: 2008-08-01 Application Number: 2590632 Filing Date: 2007-05-28 Inventor: Rong, Tian Hua   Hu, Bin   Wang, Yi Hua   Zhang, Fan   Zhong, Juan Wei   Zhang, Hua   Assignee: SHANGHAI JIULONG ELECTRIC POWER (GROUP) CO., LTD.   SHANGHAI JIULONG ELECTRIC POWER TECHNOLOGY CO., LTD.   IPC: G01R11/00 Abstract: An intelligent system for collecting readings from electric meters
12
US2008186201A1
Intelligent System for Collecting Readings From Electric Meters
Publication/Patent Number: US2008186201A1 Publication Date: 2008-08-07 Application Number: 11/752,874 Filing Date: 2007-05-23 Inventor: Wang, Yihua   Zhang, Fan   Zhang, Hua   Hu, Bin   Rong, Tianhua   Zhong, Juanwei   Assignee: SHANGHAI JIULONG ELECTRIC POWER (GROUP) CO., LTD.   Shanghai Jiulong Electric Power Technology Co., Ltd.   IPC: G08C15/06 Abstract: An intelligent system for collecting readings from electric meters, comprising the following components: several electric meters, a data concentrator connected to the electric meters, and a system main station connected to the concentrator wirelessly, in which: the electric meter for recording the consumed quantity of electricity by user, metering the quantity of electricity, measuring demand and making a fault recording, and supporting a time-sharing measurement and communication with the data concentrator by electric power carrier; a concentrator for providing intelligent relay management, implementing the communication with the electric meters and the system main station, the management of communication route of electric meters and the storage function of data; the system main station for realizing a stable bi-directional communication with the concentrator and several electric meters, reading data in the concentrator, collecting information on electric energy, synchronizing the time of the concentrator and the electric meters associated therewith, renewing time step tariff rate and meter parameters of the electric meters. Bi-directional stable communication between the main station and the intelligent electric meters and collection of electrical energy information and the adjustment of parameters of electric meters can be realized by transmission medium in the present invention. The system of the present invention features complete functions, stable user-friendly operation interface, and has good expansion potential. Therefore this system is an important technical means for user-side management. The present invention greatly improves management efficiency and economic benefits in the electrical power department.
13
US7233843B2
Real-time performance monitoring and management system
Publication/Patent Number: US7233843B2 Publication Date: 2007-06-19 Application Number: 10/914,789 Filing Date: 2004-08-09 Inventor: Budhraja, Vikram S.   Dyer, James D.   Martinez, Morales Carlos A.   Assignee: Electric Power Group, LLC   IPC: G06F19/00 Abstract: A real-time performance monitoring system for monitoring an electric power grid. The electric power grid has a plurality of grid portions, each grid portion corresponding to one of a plurality of control areas. The real-time performance monitoring system includes a monitor computer for monitoring at least one of reliability metrics, generation metrics, transmission metrics, suppliers metrics, grid infrastructure security metrics, and markets metrics for the electric power grid. The data for metrics being monitored by the monitor computer are stored in a data base, and a visualization of the metrics is displayed on at least one display computer having a monitor. The at least one display computer in one said control area enables an operator to monitor the grid portion corresponding to a different said control area.
14
WO2005015366A2
REAL-TIME PERFORMANCE MONITORING AND MANAGEMENT SYSTEM
Publication/Patent Number: WO2005015366A2 Publication Date: 2005-02-17 Application Number: 2004025891 Filing Date: 2004-08-09 Inventor: Budhraja, Vikram S   Dyer, James D   Martinez-morales, Carlos A   Assignee: ELECTRIC POWER GROUP, LLC   BUDHRAJA, VIKRAM, S.   DYER, JAMES, D.   MARTINEZ-MORALES, CARLOS, A.   IPC: G06F Abstract: A real-time performance monitoring system for monitoring an electric power grid. The electric power grid has a plurality of grid portions
15
WO2005015366A3
REAL-TIME PERFORMANCE MONITORING AND MANAGEMENT SYSTEM
Publication/Patent Number: WO2005015366A3 Publication Date: 2005-10-20 Application Number: 2004025891 Filing Date: 2004-08-09 Inventor: Budhraja, Vikram S   Dyer, James D   Martinez-morales, Carlos A   Assignee: ELECTRIC POWER GROUP, LLC   BUDHRAJA, VIKRAM, S.   DYER, JAMES, D.   MARTINEZ-MORALES, CARLOS, A.   IPC: G06F Abstract: A real-time performance monitoring system for monitoring an electric power grid. The electric power grid has a plurality of grid portions