Distributed 10kv distribution network measurement, control and protection method
A measurement and control protection, distributed technology, applied in emergency protection circuit devices, emergency protection data processing devices, electrical components, etc., can solve the problems of uneven automation level of distribution network equipment, simple functions, and no relay protection function. , to avoid the expansion of the fault range, reduce the workload of operation and maintenance, and improve the reliability.
Active Publication Date: 2022-03-08
积成能源有限公司
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Problems solved by technology
[0004] The structure of domestic 10KV distribution network is complex, the automation level of distribution network equipment is uneven, and customers have diversified requirements for distribution automation functions. The distribution network automation products put into operation have simple functions and do not have perfect relay protection functions.
Existing distribution network automation products can no longer meet the development needs of distribution network automation
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[0029] specific implementation plan
[0030] The invention provides a 10KV distribution network measurement, control and protection system based on distributed installation, which realizes rapid isolation of faulty areas of the 10KV distribution network, fast recovery of power supply in non-faulty areas, and monitoring of power grid information. The technical solution of the present invention will be further described below in conjunction with the accompanying drawings.
[0031] The regional system architecture diagram of the 10KV distribution network measurement, control and protection system provided in this implementation is as follows figure 1 As shown, a 10KV power distribution urban area automation switch is composed of several complete sets of ring network cabinets, and each complete set of cabinets is interconnected through optical fiber or wireless network and exchanges information with the distribution network master station. The comprehensive measurement and contro...
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The invention relates to a distributed 10KV distribution network measurement, control and protection system and protection method, including a comprehensive measurement and control communication unit and a plurality of independent measurement, control and protection units, and the comprehensive measurement and control unit communicates with the measurement, control and protection unit through a serial port or a network port to realize distributed area protection Measurement and control: the comprehensive measurement and control communication unit realizes the communication data management of the 10kV switchgear and the information interaction with the main station of the distribution network, and the measurement and control protection unit realizes the isolation of faulty areas and the recovery of non-faulty areas; it can realize intelligent FA protection logic. The invention realizes the comprehensive measurement and control management function of the 10KV urban distribution network, makes up for the shortcomings of the traditional DTU equipment that only monitors and controls but does not protect, and can identify and isolate the fault in time when a fault occurs, avoiding the expansion of the fault range, and can effectively improve the safety of the distribution network. Reliability and reducing the workload of operation and maintenance are of great significance to the development of distribution network.
Description
technical field [0001] The invention belongs to the technical field of distribution network automation management of electric power systems, and in particular relates to a distributed-based 10KV distribution network measurement, control and protection system and a measurement, control and protection method thereof, which can improve the reliability of the distribution network and reduce the workload of operation and maintenance. Background technique [0002] The domestic power grid has long been affected by the concept of "emphasis on power generation, light supply, and no use", and the development of automation in the distribution network has lagged behind. Although the construction of the distribution network has been strengthened in recent years, the focus is mainly on the distribution network. In terms of construction and automation, the monitoring and protection of the distribution network has not received enough attention. [0003] According to the action plan for dist...
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IPC IPC(8): H02H1/00H02H7/28
CPCH02H1/0061H02H1/0092H02H7/28
Inventor 马文栋张立伟刘冰尹燕磊李荣兴闫黎明刘兰兵赵礼林盛殿新王晓林李永明刘冰寒
Owner 积成能源有限公司