CN112561727A - Comprehensive management system for operation analysis and health assessment of power distribution network - Google Patents
Comprehensive management system for operation analysis and health assessment of power distribution network Download PDFInfo
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Abstract
本发明提供一种配电网运行分析和健康评估综合管理系统，包括：外部系统接口、运行分析中心、综合处理中心、评估中心、标准中心以及计划中心；所述外部系统接口用于连接电网运行管理相关系统从而获取配电线路每一个分段、分支乃至每一个用户的电网运行信息；所述运行分析中心用于通过配网自动化系统的主站和子站监测各配电终端设备的实时运行状况；所述综合处理中心用于处理运行状况和运行信息中的数据；所述标准中心用于通过经验共享、环境参数和知识库为配电网指标提供标准规范；本发明实现了完备的配电网综合管理系统，提取对配网运行分析和设备健康状况评估的有效信息，全方位的剖析、得到准确的配电网健康状况结论。
The invention provides an integrated management system for distribution network operation analysis and health evaluation, including: an external system interface, an operation analysis center, a comprehensive processing center, an evaluation center, a standard center and a planning center; the external system interface is used to connect the power grid for operation Manage related systems to obtain the power grid operation information of each segment, branch and even each user of the distribution line; the operation analysis center is used to monitor the real-time operation status of each distribution terminal equipment through the main station and substation of the distribution network automation system ; the comprehensive processing center is used to process the data in the operation status and operation information; the standard center is used to provide standard specifications for distribution network indicators through experience sharing, environmental parameters and knowledge bases; the present invention realizes complete distribution The network integrated management system extracts effective information for distribution network operation analysis and equipment health status assessment, and comprehensively analyzes and obtains accurate distribution network health status conclusions.
Description
Technical Field
The invention belongs to the technical field of power distribution network management, and particularly relates to a power distribution network operation analysis and health assessment comprehensive management system.
Background
The power system is an economic infrastructure in China, and the power distribution network is difficult to manage due to the fact that power grid equipment is various and line loads are generated. Along with degree of automation constantly improves, electric power system can receive a large amount of distribution lines operating data in real time, to these distribution network operating data, can go deep into and carry out the analysis to distribution lines operation conditions, according to the analysis result, the distribution lines operation personnel can the omnidirectional problem that exists of this distribution lines of analysis, obtain accurate equipment health situation conclusion, and then optimize and upgrade the transformation to the distribution network.
Different power grid operation management related systems are adopted in various regions, data are not shared among the systems, and a comprehensive digital and intelligent analysis system is lacked, so that the waste of distribution network operation data resources is caused, and line risk points and hidden danger equipment cannot be comprehensively detected. The health degree analysis of the large-data distribution network equipment needs to be researched from the defects of distribution network lines and equipment and a processing method, and the current health degree analysis of the distribution network only considers the operation defects of the distribution network lines and the equipment and does not take the processing method of each operation management related system into consideration.
Disclosure of Invention
In view of the above-mentioned deficiencies in the prior art, the present invention provides a comprehensive management system for power distribution network operation analysis and health assessment to solve the above-mentioned technical problems.
The invention provides a comprehensive management system for operation analysis and health assessment of a power distribution network, which comprises:
the system comprises an external system interface, an operation analysis center, a comprehensive processing center, an evaluation center, a standard center and a planning center;
the external system interface is used for connecting a power grid operation management related system so as to obtain power grid operation information of each section, branch and even each user of the distribution line;
the operation analysis center is used for monitoring the real-time operation condition of each power distribution terminal device through a main station and a sub station of the power distribution network automation system;
the comprehensive processing center is used for processing data in the operation condition and the operation information;
the standard center is used for providing standard specifications for indexes of the power distribution network through experience sharing, environmental parameters and a knowledge base;
the evaluation center is used for evaluating the health conditions of lines and equipment in the power distribution network according to standard specifications provided by the standard center;
and the plan center is used for making and optimizing a power distribution network management plan according to the health condition.
Further, the power grid operation management related system comprises: the system comprises an equipment operation and maintenance lean management system, a power supply service command system, a power utilization information acquisition system, a power grid graphic resource management system, a low-voltage equipment general survey system, a power marketing business application system and a power failure management system.
Further, the external system interface is used for acquiring operation and maintenance process, line management plan and decision analysis information from the equipment operation and maintenance lean management system.
Furthermore, the external system interface is also used for acquiring the failure emergency repair efficiency, the distribution transformer overload prediction accuracy, the low-voltage abnormity and the distribution transformer overload management condition from the power supply service command system.
Further, the external system interface is further configured to obtain the power consumption amount of the user and the distribution condition of the user area from the power consumption information acquisition system.
Further, the external system interface is further configured to obtain a power grid topology condition from the power grid graph resource management system.
Further, the external system interface is also used for acquiring census information of the equipment in the low-voltage distribution network from the low-voltage equipment census system.
Further, the external system interface is further used for acquiring meter reading comprehensive data, electric charge management conditions, customer service conditions and market demand conditions from the electric power marketing service application system.
Further, the external system interface is also used for acquiring planned power failure information and fault power failure information from the power failure management system.
The beneficial effect of the invention is that,
the comprehensive management system for the operation analysis and the health evaluation of the power distribution network, provided by the invention, realizes a complete comprehensive management system for the power distribution network, extracts effective information for the operation analysis and the health evaluation of the equipment of the power distribution network, analyzes in an all-around manner, obtains an accurate conclusion of the health condition of the equipment, and further optimizes, upgrades and reforms the operation mode of a distribution circuit; the real-time operation defect of the power distribution network is considered, the health condition obtained by a defect management method is also considered, and the depth and the breadth of operation analysis of the power distribution network and health condition evaluation of equipment are improved.
In addition, the invention has reliable design principle, simple structure and very wide application prospect.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic block diagram of a system of one embodiment of the present invention.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, an embodiment of the present application provides a power distribution network operation analysis and health assessment integrated management system, including:
the system comprises an external system interface, an operation analysis center, a comprehensive processing center, an evaluation center, a standard center and a planning center;
the external system interface is used for connecting a power grid operation management related system so as to obtain power grid operation information of each section, branch and even each user of the distribution line;
the operation analysis center is used for monitoring the real-time operation condition of each power distribution terminal device through a main station and a sub station of the power distribution network automation system;
the comprehensive processing center is used for processing data in the operation condition and the operation information;
the standard center is used for providing standard specifications for indexes of the power distribution network through experience sharing, environmental parameters and a knowledge base;
the evaluation center is used for evaluating the health conditions of lines and equipment in the power distribution network according to standard specifications provided by the standard center;
and the plan center is used for making and optimizing a power distribution network management plan according to the health condition.
Optionally, as an embodiment of the present invention, the system for managing power grid operation includes: the system comprises an equipment operation and maintenance lean management system, a power supply service command system, a power utilization information acquisition system, a power grid graphic resource management system, a low-voltage equipment general survey system, a power marketing business application system and a power failure management system.
Optionally, as an embodiment of the present invention, the external system interface is configured to obtain operation and maintenance repair processes, a line management plan, and decision analysis information from the equipment operation and maintenance lean management system.
Optionally, as an embodiment of the present invention, the external system interface is further configured to obtain, from the power supply service command system, failure emergency repair efficiency, distribution transformer overload prediction accuracy, low-voltage abnormality, and distribution transformer overload management conditions.
Optionally, as an embodiment of the present invention, the external system interface is further configured to obtain the power consumption amount of the user and the distribution condition of the user area from the power consumption information collecting system.
Optionally, as an embodiment of the present invention, the external system interface is further configured to obtain a power grid topology condition from the power grid graphics resource management system.
Optionally, as an embodiment of the present invention, the external system interface is further configured to obtain census information of devices in the low-voltage distribution network from the low-voltage device census system.
Optionally, as an embodiment of the present invention, the external system interface is further configured to obtain meter reading comprehensive data, an electricity charge management condition, a customer service condition, and a market demand condition from the electricity marketing service application system.
Optionally, as an embodiment of the present invention, the external system interface is further configured to obtain scheduled blackout information and failure blackout information from the blackout management system.
In order to facilitate understanding of the present invention, the principle of the power distribution network operation analysis and health assessment integrated management system according to the present invention is combined with the process of managing the power distribution network in the embodiment, so as to further describe the power distribution network operation analysis and health assessment integrated management system provided by the present invention.
1. The distribution network automation system is a system project, which can be roughly divided into three subsystems: the system comprises a distribution network automatic main station system, a distribution network automatic substation system and a distribution network automatic terminal; the communication of distribution network automation includes the broad range of communication from main station to sub-station, main station to field terminal, sub-station and field terminal. The comprehensive management system provided by the invention is arranged in both the main station and the substation, which is beneficial to realizing distributed computation, and the computation efficiency can be obviously improved under the conditions of numerous distribution network equipment and complex lines. The integrated management system includes: the system comprises an external system interface, an operation analysis center, a comprehensive processing center, an evaluation center, a standard center and a planning center.
2. The invention mainly realizes the operation analysis and health assessment of the power distribution network, on the first hand, the operation analysis relies on a main station and a sub station of a distributed network automation system, the real-time operation condition of each power distribution terminal device is monitored by the main station system and the sub station system, and the operation condition data is collected and recorded, including real-time voltage and current, fault trip condition, grounding condition and other data; in the second aspect, the health assessment depends on data acquired by an external system interface from an external system, and the external system interface is used for connecting a power grid operation management related system so as to acquire power grid operation information of each section, branch and even each user of a power distribution line; the power grid operation management related system comprises: an equipment operation and maintenance lean management system, a power supply service command system, a power utilization information acquisition system, a power grid graphic resource management system, a low-voltage equipment general survey system, a power marketing business application system and a power failure management system, wherein,
(1) the equipment operation and maintenance lean management system provides: the operation and maintenance process, the line management plan and the decision analysis information are used for evaluating the health condition of the operation and maintenance management of the power distribution network;
(2) the power supply service command system provides: failure first-aid repair efficiency, distribution transformer overload prediction accuracy, low-voltage abnormity and distribution transformer overload management conditions; thereby evaluating the management health status of faults, abnormalities and distribution variables;
(3) the electricity consumption information acquisition system provides: the electricity consumption and the distribution condition of a user area; thereby evaluating the health condition of the user in the aspect of electricity utilization;
(4) the grid graph resource management system provides: the topology of the power grid; evaluating whether the line arrangement of the power distribution network is clear and reasonable according to the topological graph;
(5) the low-voltage equipment census system provides: general survey information of equipment in the low-voltage distribution network; and evaluating the accuracy and integrity of the equipment census condition according to the historical census information.
(6) The electricity marketing service application system provides: the method comprises the following steps of (1) reading comprehensive data, electricity charge management conditions, customer service conditions and market demand conditions; thereby evaluating the health condition of the power distribution network in the aspect of power marketing;
(7) providing from the outage management system: planned power failure information and fault power failure information; therefore, the management condition of the power distribution network in power failure management is evaluated.
3. The comprehensive processing center processes the data in the running condition and the running information and extracts a key characteristic value representing the health condition; the standard center stores standard specifications of all data, and the standard specifications are derived from a data range comprehensively specified by literature research at home and abroad and experience shared by experts or scholars in combination with the current environment and the existing knowledge base; an evaluation method is arranged in the evaluation center, and comprises the following steps: the equipment evaluation method and the line evaluation method automatically evaluate the health conditions of the lines and the equipment in the power distribution network according to the analysis and comparison of standard specifications provided by a standard center.
4. The health condition and the operation condition obtained by evaluation are sent to the planning center, so that risk points and hidden danger points influencing the operation of the distribution lines are obtained, the planning center formulates and optimizes a distribution network management plan according to the health condition, important inspection is carried out on the weak points, equipment with major hidden danger defects is eliminated in time, equipment with high aging serious fault rate and distribution lines with uneven load distribution are listed in the distribution network management plan, the voltage transmission stability of the distribution network is improved, the power failure time is shortened, and the increasingly refined requirement of health degree management is met.
Although the present invention has been described in detail by referring to the drawings in connection with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and these modifications or substitutions are within the scope of the present invention/any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. A comprehensive management system for operation analysis and health assessment of a power distribution network is characterized by comprising: the system comprises an external system interface, an operation analysis center, a comprehensive processing center, an evaluation center, a standard center and a planning center;
the external system interface is used for connecting a power grid operation management related system so as to obtain power grid operation information of each section, branch and even each user of the distribution line;
the operation analysis center is used for monitoring the real-time operation condition of each power distribution terminal device through a main station and a sub station of the power distribution network automation system;
the comprehensive processing center is used for processing data in the operation condition and the operation information;
the standard center is used for providing standard specifications for indexes of the power distribution network through experience sharing, environmental parameters and a knowledge base;
the evaluation center is used for evaluating the health conditions of lines and equipment in the power distribution network according to standard specifications provided by the standard center;
and the plan center is used for making and optimizing a power distribution network management plan according to the health condition.
2. The integrated management system for power distribution network operation analysis and health assessment according to claim 1, wherein the system for power distribution network operation management comprises: the system comprises an equipment operation and maintenance lean management system, a power supply service command system, a power utilization information acquisition system, a power grid graphic resource management system, a low-voltage equipment general survey system, a power marketing business application system and a power failure management system.
3. The integrated management system for operation analysis and health assessment of power distribution network according to claim 2, wherein the external system interface is configured to obtain operation and maintenance process, line management plan and decision analysis information from the equipment operation and maintenance lean management system.
4. The comprehensive management system for power distribution network operation analysis and health assessment according to claim 2, wherein the external system interface is further configured to obtain failure emergency repair efficiency, distribution transformer overload prediction accuracy, low-voltage abnormality, and distribution transformer overload management conditions from the power supply service command system.
5. The comprehensive management system for power distribution network operation analysis and health assessment according to claim 2, wherein the external system interface is further configured to obtain the power consumption and the distribution of the user area from the power consumption information collecting system.
6. The integrated management system for distribution network operation analysis and health assessment according to claim 2, wherein the external system interface is further configured to obtain a power grid topology from the power grid graph resource management system.
7. The integrated management system for operation analysis and health assessment of power distribution networks according to claim 2, wherein said external system interface is further configured to obtain census information of devices in the low voltage power distribution network from said low voltage device census system.
8. The integrated management system for operation analysis and health assessment of power distribution network according to claim 2, wherein said external system interface is further configured to obtain meter reading integrated data, power rate management status, customer service status and market demand status from said power marketing service application system.
9. The integrated management system for distribution network operation analysis and health assessment according to claim 2, wherein said external system interface is further configured to obtain planned blackout information and fault blackout information from said blackout management system.
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| CN113112037A (en) * | 2021-04-09 | 2021-07-13 | 宁夏力成电气集团有限公司 | Remote operation and maintenance health management system and health assessment method for power distribution station |
| CN114243904A (en) * | 2021-11-24 | 2022-03-25 | 国网山东省电力公司日照供电公司 | 10kV distribution network operation analysis and equipment health condition evaluation system and method |
| CN114638459A (en) * | 2021-12-08 | 2022-06-17 | 国网辽宁省电力有限公司经济技术研究院 | Power distribution network evaluation system and method based on unconstrained business expansion |
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Application publication date: 20210326 |