CN111200632A - Integrated setting calculation system for operating characteristics of power transmission and distribution network - Google Patents
Integrated setting calculation system for operating characteristics of power transmission and distribution network Download PDFInfo
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- CN111200632A CN111200632A CN201911157497.7A CN201911157497A CN111200632A CN 111200632 A CN111200632 A CN 111200632A CN 201911157497 A CN201911157497 A CN 201911157497A CN 111200632 A CN111200632 A CN 111200632A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/18—File system types
- G06F16/182—Distributed file systems
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/06—Electricity, gas or water supply
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
- H04L63/105—Multiple levels of security
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Abstract
A transmission and distribution network operating characteristic integrated setting calculation system is based on servers of a national center of regulation, a national branch center, a provincial center of regulation, a local center of regulation and a county center of a national network company, adopts a distributed calculation system developed based on a Hadoop platform, integrates the servers of the national center of regulation, the national branch center, the provincial center of regulation, the local center of regulation and the county center of the national network company into a calculation platform through the Internet, fully excavates the calculation capacity of the existing servers of the national network company, realizes the transmission and distribution network operating characteristic integrated setting distributed calculation, and has the advantages of less investment, high calculation efficiency and small calculation error; the system adopts a distributed computing architecture, has good expansibility and high reliability, realizes reliable and efficient integrated setting computation of the operating characteristics of the transmission and distribution network, and can increase computing capacity by a method of adding a server so as to meet the further development requirement of a national power grid; the system can be accessed to a eliminated server of a national network company to realize the secondary utilization of eliminated assets.
Description
Technical Field
The invention relates to the technical field of integrated setting calculation of operating characteristics of a power transmission and distribution network of a national power grid, in particular to an integrated setting calculation system of operating characteristics of a power transmission and distribution network.
Background
Along with the high-speed development of domestic economy, the scale of a national power grid is larger and more complex, the setting calculation partition pattern in the traditional sense is difficult to clearly judge, the upper and lower levels of a power transmission and distribution network are often influenced mutually, and the calculation tends to be more complex; under the condition, the large power grid combined setting calculation based on the integrated application mode gradually becomes the development direction of the relay protection setting calculation; however, the integrated setting calculation has the problems of large scale and low calculation efficiency of the power transmission and distribution network model, and in order to solve the problems, related research units in China propose various solutions, and most of the solutions focus on how to solve the boundary division and processing method of the power transmission and distribution network model so as to realize that the power transmission and distribution network model is reasonably partitioned and then adopts synchronous parallel calculation; however, these schemes are only an improvement on the original partition calculation scheme, and various partition calculation schemes still bring calculation errors, so that the scheme is not completely adaptable to the rapid development of the national power grid fundamentally and cannot adapt to the higher and higher requirements of the national power grid on safe operation; in the rapid development process of a national power grid, a plurality of servers are configured in a national dispatching center, a national dispatching branch center, a provincial dispatching center, a local dispatching center and a county dispatching center of a national grid company and used for collecting power grid information and monitoring safe operation of the power grid, but in most of time, the computing power of the servers is not fully utilized, and the waste of the computing power is caused.
Disclosure of Invention
In order to overcome the defects in the background technology, the invention discloses an integrated setting calculation system for the operating characteristics of a transmission and distribution network; based on the servers of the national dispatching center, the provincial dispatching center, the local dispatching center and the county dispatching center of the national network company, a distributed computing system developed based on a Hadoop platform is adopted, the servers of the national dispatching center, the provincial dispatching center, the local dispatching center and the county dispatching center of the national network company are integrated into a computing platform through the Internet, the computing capacity of the existing servers of the national network company is fully exploited, the integrated setting distributed computing of the operating characteristics of the transmission and distribution network is realized, and the method has the advantages of being small in investment, high in computing efficiency and small in computing error; the system adopts a distributed computing architecture, has the characteristics of good expansibility and high reliability, thereby realizing reliable and efficient integrated setting computation of the operating characteristics of the transmission and distribution network, and can increase the computing capacity by a method of adding a server so as to meet the further development requirement of a national power grid; in addition, the system has low requirement on the server, and the servers which are eliminated by national network companies in the past can be accessed into the system to increase the computing capacity, so that the secondary utilization of eliminated assets is realized.
In order to realize the purpose, the invention adopts the following technical scheme: a transmission and distribution network operation characteristic integrated setting calculation system is based on servers of a national center, a national branch center, a provincial center, a regional center and a county center of a national network company, adopts a distributed calculation system developed based on a Hadoop platform, and integrates the servers of the national center, the national branch center, the provincial center, the regional center and the county center of the national network company into a calculation platform through the Internet; hadoop is used as an open source distributed computing framework and is applied more and more, and Hadoop-based extended computing products are developed more and more abundantly, so that a Hadoop platform is adopted to develop a transmission and distribution network operation characteristic integrated setting computing system, and mature conditions are provided.
Further, the distributed computing system comprises Common, MapReduce, HDFS, Zookeeper, HBASE, Pig, Hive, Avro, Chukwa modules;
wherein: common is a group of distributed file management systems and universal input and output components and interfaces, and is a core part under a Hadoop framework;
MapReduce is a large-scale distributed data processing model and an execution environment, is a core calculation model under a Hadoop framework, and mainly realizes two functions of Map and Reduce; map acts the calculation function on all servers in the system, and then returns the calculation result; the Reduce performs parallel processing on the result obtained from the Map parallel computation, classifies, arranges and induces the result, and finally delivers the result to a Datanode server for storage;
the HDFS is a distributed file system based on a cluster, can be compatible with most of the existing hardware, and has the characteristics of high fault tolerance and high throughput;
the Zookeeper is a distributed organization coordination service module;
hbase is a distributed database supporting structured and semi-structured data storage, and batch job processing and fixed point query are realized by means of MapReduce by taking HDFS as a bottom architecture;
pig is a high-level data stream language for retrieving large data sets;
hive is a distributed database stored in columns, manages data stored in the HDFS and provides a data query function;
the Avro is an efficient and cross-language serialization system of permanently stored data, and is a remote method calling scheme of Hadoop;
chukwa is a data acquisition system and is used for managing a large-scale distribution system;
the HDFS is of a master-slave structure and is arranged in a Namenode and a plurality of Datanodes, the Namenode is used as a main control server of the system and is arranged in a national dispatching center, and the Datanodes are used as client servers of the system and are distributed in the national dispatching center, the provincial dispatching center, the local dispatching center and the county dispatching center;
the MapReduce is a master-slave structure and is arranged in a central server JobTracker and a plurality of task servers TaskTracker, the JobTracker is used as a task management server and is arranged in a national dispatching center, and the JobTracker is used as a task execution server and is arranged in a national dispatching center, a provincial dispatching center, a local dispatching center and a county dispatching center.
Furthermore, the power transmission and distribution network model with the integrally set power distribution network operating characteristics is a centralized model, is arranged in a server of a national center, and maintains the basic data of the power transmission and distribution network model according to the respective administration ranges of the national center, the provincial center, the local center and the county center; basic data of the power transmission and distribution network model are managed by an HDFS file system and are stored in Hbase databases of national dispatching centers, provincial dispatching centers, local dispatching centers and county dispatching center servers in a distributed mode; the setting calculation based on the power transmission and distribution network model is managed by MapReduce unified scheduling, the setting calculation task is divided into a plurality of subtasks, and the subtasks are distributed to TaskTracker servers of a national dispatching center, a provincial dispatching center, a local dispatching center and a county dispatching center for parallel calculation, and calculation results are classified, sorted and summarized and stored in a Datanode server.
Furthermore, the national dispatching center, the provincial dispatching center, the local dispatching center and the county dispatching center set authorities for maintaining the basic data of the power transmission and distribution network model, and the basic data is maintained only on the power transmission and distribution network model corresponding to the jurisdiction scope within the set authority range, so that disorder of the basic data of the power transmission and distribution network model caused by maintenance beyond the authorities is prevented.
Further, complete data of the power transmission and distribution network model and the setting calculation result in the jurisdiction range of the Hbase database of the national dispatching center, the provincial dispatching center, the local dispatching center and the county dispatching center server are stored; when the national dispatching center, the provincial dispatching center, the local dispatching center and the county dispatching center inquire and call the power transmission and distribution network model and the setting calculation result in the jurisdiction range in actual operation, data are directly read from the local server, so that the data inquiry and call time is shortened, and meanwhile, the national dispatching center server is prevented from being frequently accessed.
Further, the communication among the servers of the national center, the national branch center, the provincial center, the local center and the county center is encrypted.
Due to the adoption of the technical scheme, the invention has the following beneficial effects: the invention discloses an integrated setting calculation system for operating characteristics of a transmission and distribution network; based on the servers of the national dispatching center, the provincial dispatching center, the local dispatching center and the county dispatching center of the national network company, a distributed computing system developed based on a Hadoop platform is adopted, the servers of the national dispatching center, the provincial dispatching center, the local dispatching center and the county dispatching center of the national network company are integrated into a computing platform through the Internet, the computing capacity of the existing servers of the national network company is fully exploited, the integrated setting distributed computing of the operating characteristics of the transmission and distribution network is realized, and the method has the advantages of being small in investment, high in computing efficiency and small in computing error; the system adopts a distributed computing architecture, has the characteristics of good expansibility and high reliability, thereby realizing reliable and efficient integrated setting computation of the operating characteristics of the transmission and distribution network, and can increase the computing capacity by a method of adding a server so as to meet the further development requirement of a national power grid; in addition, the system has low requirement on the server, and the servers which are eliminated by national network companies in the past can be accessed into the system to increase the computing capacity, so that the secondary utilization of eliminated assets is realized.
Drawings
Fig. 1 is a schematic structural diagram of a transmission and distribution network operation characteristic integrated setting calculation system.
Detailed Description
The present invention will be explained in detail by the following examples, which are disclosed for the purpose of protecting all technical improvements within the scope of the present invention.
A transmission and distribution network operation characteristic integrated setting calculation system is based on servers of a national center, a national branch center, a provincial center, a regional center and a county center of a national network company, adopts a distributed calculation system developed based on a Hadoop platform, and integrates the servers of the national center, the national branch center, the provincial center, the regional center and the county center of the national network company into a calculation platform through the Internet;
the distributed computing system comprises Common, MapReduce, HDFS, Zookeeper, HBASE, Pig, Hive, Avro and Chukwa modules; wherein: common is a group of distributed file management systems and universal input and output components and interfaces; MapReduce is a large-scale distributed data processing model and an execution environment; the HDFS is a distributed file system based on a cluster; the Zookeeper is a distributed organization coordination service module; hbase is a distributed database supporting structured and semi-structured data storage, and batch job processing and fixed point query are realized by means of MapReduce by taking HDFS as a bottom architecture; pig is a high-level data stream language for retrieving large data sets; hive is a distributed database stored in columns and manages data stored in the HDFS; the Avro is an efficient and cross-language serialization system of permanently stored data, and is a remote method calling scheme of Hadoop; chukwa is a data acquisition system and is used for managing a large-scale distribution system;
the HDFS is of a master-slave structure and is arranged in a Namenode and a plurality of Datanodes, the Namenode is used as a main control server of the system and is arranged in a national dispatching center, and the Datanodes are used as client servers of the system and are distributed in the national dispatching center, the provincial dispatching center, the local dispatching center and the county dispatching center;
the MapReduce is a master-slave structure and is arranged in a central server JobTracker and a plurality of task servers TaskTracker, the JobTracker is used as a task management server and is arranged in a national dispatching center, and the JobTracker is used as a task execution server and is arranged in a national dispatching center, a provincial dispatching center, a local dispatching center and a county dispatching center;
the power transmission and distribution network model with the integrally set power distribution network operating characteristics is a centralized model, is arranged in a Namenode server of a national center, and maintains the basic data of the power transmission and distribution network model according to the respective jurisdiction ranges of the national center, the provincial center, the local center and the county center; basic data of the power transmission and distribution network model are managed by an HDFS file system and are stored in Hbase databases of national dispatching centers, provincial dispatching centers, local dispatching centers and county dispatching center servers in a distributed mode; the setting calculation based on the power transmission and distribution network model is managed by MapReduce unified scheduling, the setting calculation task is divided into a plurality of subtasks, the subtasks are distributed to TaskTracker servers of a national dispatching center, a provincial dispatching center, a local dispatching center and a county dispatching center for parallel calculation, and calculation results are classified, sorted and induced and stored in a Datanode server;
the national dispatching center, the provincial dispatching center, the local dispatching center and the county dispatching center set authorities for maintaining the basic data of the power transmission and distribution network model, and the basic data is maintained only on the power transmission and distribution network model in the corresponding jurisdiction range within the set authority range;
complete data of the transmission and distribution network model and the setting calculation result in the jurisdiction range of the Hbase database of the national dispatching center, the provincial dispatching center, the local dispatching center and the county dispatching center server are stored in the Hbase database;
the communication among the servers of the national dispatching center, the provincial dispatching center, the local dispatching center and the county dispatching center adopts encrypted communication.
The present invention is not described in detail in the prior art.
Claims (6)
1. A transmission and distribution network operating characteristic integrated setting calculation system is characterized in that: based on the servers of the national center, the national branch center, the provincial center, the local center and the county center of the national network company, a distributed computing system developed based on a Hadoop platform is adopted, and the servers of the national center, the national branch center, the provincial center, the local center and the county center of the national network company are integrated into a computing platform through the Internet.
2. The integrated setting calculation system for the operating characteristics of the transmission and distribution network according to claim 1, which is characterized in that: the distributed computing system comprises Common, MapReduce, HDFS, Zookeeper, HBASE, Pig, Hive, Avro and Chukwa modules; wherein: common is a group of distributed file management systems and universal input and output components and interfaces; MapReduce is a large-scale distributed data processing model and an execution environment; the HDFS is a distributed file system based on a cluster; the Zookeeper is a distributed organization coordination service module; hbase is a distributed database supporting structured and semi-structured data storage, and batch job processing and fixed point query are realized by means of MapReduce by taking HDFS as a bottom architecture; pig is a high-level data stream language for retrieving large data sets; hive is a distributed database stored in columns, manages data stored in the HDFS, and provides data summarization and query functions; the Avro is an efficient and cross-language serialization system of permanently stored data, and is a remote method calling scheme of Hadoop; chukwa is a data acquisition system and is used for managing a large-scale distribution system;
the HDFS is of a master-slave structure and is arranged in a Namenode and a plurality of Datanodes, the Namenode is used as a main control server of the system and is arranged in a national dispatching center, and the Datanodes are used as client servers of the system and are distributed in the national dispatching center, the provincial dispatching center, the local dispatching center and the county dispatching center;
the MapReduce is a master-slave structure and is arranged in a central server JobTracker and a plurality of task servers TaskTracker, the JobTracker is used as a task management server and is arranged in a national dispatching center, and the JobTracker is used as a task execution server and is arranged in a national dispatching center, a provincial dispatching center, a local dispatching center and a county dispatching center.
3. The integrated setting calculation system for the operating characteristics of the transmission and distribution network according to claim 1, which is characterized in that: the transmission and distribution network model with the integrally set operation characteristics of the distribution network is a centralized model, is arranged in a Namenode server of a national center, and maintains the basic data of the transmission and distribution network model according to the respective administration ranges of the national center, the provincial center, the local center and the county center; basic data of the power transmission and distribution network model are managed by an HDFS file system and are stored in Hbase databases of a national dispatching center, a provincial dispatching center, a local dispatching center and a county dispatching center Datanode server in a distributed mode; setting calculation based on the centralized model is uniformly scheduled and managed by MapReduce, the setting calculation task is divided into a plurality of subtasks, the subtasks are distributed to TaskTracker servers of a national dispatching center, a provincial dispatching center, a local dispatching center and a county dispatching center for parallel calculation, and calculation results are classified, sorted and stored in a Datanode server.
4. The integrated setting calculation system for the operating characteristics of the transmission and distribution network according to claim 3, which is characterized in that: and the national dispatching center, the provincial dispatching center, the local dispatching center and the county dispatching center set authorities for maintaining the basic data of the power transmission and distribution network model, and the power transmission and distribution network model corresponding to the jurisdiction range is maintained within the set authority range.
5. The integrated setting calculation system for the operating characteristics of the transmission and distribution network according to claim 3, which is characterized in that: and complete data of the power transmission and distribution network model and the setting calculation result in the jurisdiction range of the Hbase database of the national dispatching center, the provincial dispatching center, the local dispatching center and the county dispatching center server are stored in the Hbase database.
6. The integrated setting calculation system for the operating characteristics of the transmission and distribution network according to claim 1, which is characterized in that: the communication among the servers of the national dispatching center, the provincial dispatching center, the local dispatching center and the county dispatching center adopts encrypted communication.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20130204948A1 (en) * | 2012-02-07 | 2013-08-08 | Cloudera, Inc. | Centralized configuration and monitoring of a distributed computing cluster |
| CN104504485A (en) * | 2014-11-18 | 2015-04-08 | 国家电网公司 | Integrative power system relay protection setting calculation method |
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