CN111190957A - Cloud computing-based integrated setting and calculating system for operating characteristics of power transmission and distribution network - Google Patents
Cloud computing-based integrated setting and calculating system for operating characteristics of power transmission and distribution network Download PDFInfo
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Abstract
A cloud computing-based integrated setting computing system for operating characteristics of a transmission and distribution network adopts an IaaS mode, a national network company rents a cloud computing space to a cloud platform service provider, and a distributed computing system developed based on a Hadoop platform is adopted and arranged in the cloud computing space to form the integrated setting computing system for the operating characteristics of the transmission and distribution network; the method comprises the following steps that servers of a national dispatching center, a provincial dispatching center, a local dispatching center and a county dispatching center of a national network company access a cloud computing space through the Internet, and basic data building, maintenance and setting result query and calling of a power transmission and distribution network model are carried out; the system realizes the integrated setting and efficient calculation of the operating characteristics of the power transmission and distribution network by utilizing the powerful computing capability of the cloud platform, has the advantages of high calculation efficiency and small calculation error, has the characteristics of good expansibility and high reliability, and can increase the calculation capability at any time along with the further development of the national power grid, thereby realizing the reliable and efficient integrated setting calculation of the operating characteristics of the power transmission and distribution network.
Description
Technical Field
The invention relates to the technical field of integrated setting calculation of operating characteristics of a national power grid power transmission and distribution network, in particular to a cloud-computing-based 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 safe operation of the national power grid.
Disclosure of Invention
In order to overcome the defects in the background technology, the invention discloses a cloud platform computing-based integrated setting computing system for operating characteristics of a power transmission and distribution network; adopting an IaaS mode, renting a cloud computing space from a cloud platform service provider by a national network company, adopting a distributed computing system developed based on a Hadoop platform, and arranging the distributed computing system in the cloud computing space to form a transmission and distribution network operation characteristic integrated setting computing system; the method comprises the following steps that servers of a national dispatching center, a provincial dispatching center, a local dispatching center and a county dispatching center of a national network company access a cloud computing space through the Internet, and basic data of a transmission and distribution network model are established and maintained, and setting results are inquired and called; the system realizes the integrated setting high-efficiency calculation of the operating characteristics of the transmission and distribution network by utilizing the strong calculation capability of the cloud platform, and has the advantages of high calculation efficiency and small calculation error; the system adopts the cloud platform for computing, has the characteristics of good expansibility and high reliability, and can increase the computing capacity at any time along with the further development of the national power grid, thereby realizing the reliable and efficient integrated setting computation of the operating characteristics of the transmission and distribution network.
In order to realize the purpose, the invention adopts the following technical scheme: adopting an IaaS mode, renting a cloud computing space from a cloud platform service provider by a national network company, adopting a distributed computing system developed based on a Hadoop platform, and arranging the distributed computing system in the cloud computing space to form a transmission and distribution network operation characteristic integrated setting computing system; the method comprises the following steps that servers of a national dispatching center, a provincial dispatching center, a local dispatching center and a county dispatching center of a national network company access a cloud computing space through the Internet, and basic data of a transmission and distribution network model are established and maintained, and setting results are inquired and called; 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 cloud platform computing-based transmission and distribution network operation characteristic integrated setting computing system, and mature conditions are achieved.
Further, the cloud platform 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, 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; the Map acts the calculation function on all the cloud space nodes 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 dataode slave node for storage;
the HDFS is a distributed file system based on a cluster 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 provided with a Namenode master node and a plurality of Datanode slave nodes, and the Namenode master node and the Datanode slave nodes are distributed in a cloud computing space;
the MapReduce is a master-slave structure and is provided with a task allocation node JobTracker and a plurality of task execution nodes TaskTracker, and the task allocation node JobTracker and the task execution nodes JobTracker are both arranged in a cloud computing space.
Further, 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 master control node, and maintains the basic data of the power transmission and distribution network model according to the respective jurisdiction ranges of a national center, a provincial center, a local center and a county center; 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 a plurality of TaskTracker task execution nodes to perform parallel calculation, and calculation results are classified, sorted and stored in Datanode slave nodes in an inductive mode.
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 of the power transmission and distribution network model is maintained only in the corresponding jurisdiction range 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, the communication between the servers of the national dispatching center, the provincial dispatching center, the local dispatching center and the county dispatching center and the cloud computing space is encrypted communication.
Due to the adoption of the technical scheme, the invention has the following beneficial effects: the invention discloses a cloud platform computing-based integrated setting calculation system for operating characteristics of a power transmission and distribution network; adopting an IaaS mode, renting a cloud computing space from a cloud platform service provider by a national network company, adopting a distributed computing system developed based on a Hadoop platform, and arranging the distributed computing system in the cloud computing space to form a transmission and distribution network operation characteristic integrated setting computing system; the method comprises the following steps that servers of a national dispatching center, a provincial dispatching center, a local dispatching center and a county dispatching center of a national network company access a cloud computing space through the Internet, and basic data of a transmission and distribution network model are established and maintained, and setting results are inquired and called; the system realizes the integrated setting high-efficiency calculation of the operating characteristics of the transmission and distribution network by utilizing the strong calculation capability of the cloud platform, and has the advantages of high calculation efficiency and small calculation error; the system adopts the cloud platform for computing, has the characteristics of good expansibility and high reliability, and can increase the computing capacity at any time along with the further development of the national power grid, thereby realizing the reliable and efficient integrated setting computation of the operating characteristics of the transmission and distribution network.
Drawings
Fig. 1 is a schematic structural diagram of a cloud computing-based integrated setting calculation system for operating characteristics of a power transmission and distribution network.
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 cloud computing-based integrated setting computing system for operating characteristics of a transmission and distribution network adopts an IaaS mode, a national network company rents a cloud computing space to a cloud platform service provider, and a distributed computing system developed based on a Hadoop platform is adopted and arranged in the cloud computing space to form the integrated setting computing system for the operating characteristics of the transmission and distribution network; the method comprises the following steps that servers of a national dispatching center, a provincial dispatching center, a local dispatching center and a county dispatching center of a national network company access a cloud computing space through the Internet, and basic data of a transmission and distribution network model are established and maintained, and setting results are inquired and called;
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 Datanode nodes, the Namenode is a master control node of the system, the Datanode is a slave node of the system, and the Namenode and the Datanode are both arranged in a cloud computing space; the MapReduce is a master-slave structure and is arranged in a JobTracker node and a plurality of TaskTracker nodes, the JobTracker is a task management node, the JobTracker is a task execution node, and the JobTracker are both arranged in a cloud computing space;
the transmission and distribution network model with the integrated setting of the operation characteristics of the distribution network is a centralized model, is arranged in a Namenode master control node, and maintains the basic data of the transmission and distribution network model according to the respective jurisdiction ranges of a national center, a provincial center, a local center and a county center; setting calculation based on a centralized model is uniformly scheduled and managed by MapReduce, a setting calculation task is divided into a plurality of subtasks, the subtasks are distributed to a plurality of TaskTracker task execution nodes for parallel calculation, and calculation results are classified, sorted and stored in Datanode slave nodes in an inductive manner;
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 of the power transmission and distribution network model corresponding to the jurisdiction scope is maintained within the set authority range;
and the communication between the servers of the national dispatching center, the provincial dispatching center, the local dispatching center and the county dispatching center and the cloud computing space adopts encrypted communication.
The present invention is not described in detail in the prior art.
Claims (5)
1. A cloud computing-based integrated setting calculation system for operating characteristics of a power transmission and distribution network is characterized in that: adopting an IaaS mode, renting a cloud computing space from a cloud platform service provider by a national network company, adopting a distributed computing system developed based on a Hadoop platform, and arranging the distributed computing system in the cloud computing space to form a transmission and distribution network operation characteristic integrated setting computing system; and 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 access the cloud computing space through the Internet to establish and maintain basic data of the transmission and distribution network model, and query and call the setting result.
2. The cloud computing-based integrated setting calculation system for the operating characteristics of the power transmission and distribution network, according to claim 1, 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 Datanode nodes, the Namenode is a master control node of the system, the Datanode is a slave node of the system, and the Namenode and the Datanode are both arranged in a cloud computing space;
the MapReduce is a master-slave structure and is arranged in a JobTracker node and a plurality of TaskTracker nodes, the JobTracker is a task management node, the JobTracker is a task execution node, and the JobTracker are both arranged in a cloud computing space.
3. The cloud computing-based integrated setting calculation system for the operating characteristics of the power transmission and distribution network, according to claim 1, is characterized in that: the transmission and distribution network model with the integrated setting of the operation characteristics of the distribution network is a centralized model, is arranged in a Namenode master control node, and maintains the basic data of the transmission and distribution network model according to the respective jurisdiction ranges of a national center, a provincial center, a local center and a county center; 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 a plurality of TaskTracker task execution nodes to perform parallel calculation, and calculation results are classified, sorted and stored in Datanode slave nodes in an inductive mode.
4. The cloud computing-based integrated setting calculation system for operating characteristics of the power transmission and distribution network according to claim 3, wherein: 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 cloud computing-based integrated setting calculation system for the operating characteristics of the power transmission and distribution network, according to claim 1, is characterized in that: and the communication between the servers of the national dispatching center, the provincial dispatching center, the local dispatching center and the county dispatching center and the cloud computing space adopts encrypted communication.
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