A method and system for in-situ busbar protection based on star network topology

A busbar protection and star network technology, applied in the direction of emergency protection circuit devices, electrical components, etc., can solve the problems of low reliability, high complexity, high cost, etc., to improve overall reliability, reduce load, improve stability and reliability effect

Active Publication Date: 2022-02-15
INTEGRATED ELECTRONICS SYST LAB
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Problems solved by technology

[0006] The purpose of the present invention is to provide an in-situ busbar protection method and system based on a star network topology, aiming to solve the problems of high cost, high complexity and low reliability in the existing in-situ busbar protection system , to reduce the cost of in-situ protection, reduce the complexity of operation and maintenance of protection devices, and improve reliability

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  • A method and system for in-situ busbar protection based on star network topology
  • A method and system for in-situ busbar protection based on star network topology
  • A method and system for in-situ busbar protection based on star network topology

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[0028] In order to clearly illustrate the technical features of the present solution, the present invention will be described in detail below through specific implementation methods and in conjunction with the accompanying drawings. The following disclosure provides many different embodiments or examples for implementing different structures of the present invention. To simplify the disclosure of the present invention, components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and / or letters in different instances. This repetition is for the purpose of simplicity and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. It should be noted that components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and processes are omitted herein to avoid unnecessarily lim...

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Abstract

The present invention provides an on-site busbar protection method and system based on a star network topology. A network of on-site distributed busbar protection devices is constructed through a star network topology, and any one of the on-site distributed busbar protection devices The busbar protection device acts as the protection master, and other devices act as slaves. The master is connected to each slave through optical fibers. The master and slaves are also connected to the management unit respectively to form a star network. When a protection action occurs, the master Judging the fault location according to the analog sampling data transmitted by the slave and the switch position data of the switch, and sending the trip command of the slave through the star network, so as to greatly reduce the protection function and performance of each slave without affecting the protection function and performance. Direct networking complexity, thereby improving the overall reliability of the protection device.

Description

technical field [0001] The invention relates to the technical field of in-situ protection, in particular to an in-situ busbar protection method and system based on a star network topology. Background technique [0002] Compared with traditional relay protection technology, in-situ protection technology has many advantages, such as miniaturization of protection devices, higher protection level, stronger reliability, faster movement, and more convenient operation and maintenance methods, which make in-situ protection Technology has been developed and applied rapidly. [0003] At present, the on-site busbar protection devices have gone through several stages. Most of them adopt the mode of distributed protection without master and management without master, followed by the mode of distributed management with master and protection without master. Each sub-machine has complete protection logic and is responsible for Corresponding to the interval phase-splitting tripping function...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02H7/22
CPCH02H7/22
Inventor 林健丛春涛贺强朱晓磊刘鑫
Owner INTEGRATED ELECTRONICS SYST LAB
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