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In-situ bus protection method and system based on star network topology

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

Active Publication Date: 2020-01-10
INTEGRATED ELECTRONICS SYST LAB
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  • Abstract
  • Description
  • Claims
  • Application Information

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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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  • In-situ bus protection method and system based on star network topology
  • In-situ bus protection method and system based on star network topology
  • In-situ bus protection method and system based on star network topology

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Embodiment Construction

[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 invention provides an in-situ bus protection method and system based on a star network topology. A networking mode of an in-situ distributed bus protection device is constructed through the star network topology mode. Any in-situ distributed bus protection device is used as a protection host. Other devices are taken as slave machines. The host is connected with the slave machines through optical fibers. The host and the slave machines are connected with a management unit so as to form a star network. When a protection action is generated, the host judges a fault position according to analog quantity sampling data transmitted by the slave machines and switching value disconnecting link position data, and issues a slave machine tripping command through the star network so as to greatly reduce direct networking complexity of each sub-machine under a condition that a protection function and performance are not affected, and improve overall reliability of a 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...

Claims

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Application Information

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Patent Type & Authority Applications(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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