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An in-situ busbar protection system and its protection method

A busbar protection and unit address technology, applied in emergency protection circuit devices, electrical components, etc., can solve the problems of complex busbar protection configuration, unfavorable project implementation and expansion, etc., to reduce risks, reduce operation and maintenance time, and flexible engineering applications. Effect

Active Publication Date: 2019-11-12
NANJING GUODIAN NANZI POWER GRID AUTOMATION CO LTD
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  • Abstract
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Problems solved by technology

[0003] The purpose of the present invention is to overcome the deficiencies in the prior art, provide an in-situ busbar protection system, and solve the technical problems in the prior art that the configuration of the busbar protection is complex and unfavorable for project implementation and expansion

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  • An in-situ busbar protection system and its protection method
  • An in-situ busbar protection system and its protection method
  • An in-situ busbar protection system and its protection method

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Embodiment Construction

[0036] The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0037] Such as figure 1 , 2 As shown, the present invention discloses an in-situ busbar protection system, which includes busbar protection units arranged according to intervals, and each busbar protection unit collects the AC and switch information of the corresponding interval, and performs data sharing through the internal network. Each busbar protection unit exchanges information with related protection equipment through the process layer network, and transmits information through the station control layer network and monitoring system.

[0038] Each busbar protection unit can be connected to 1 to 8 compartments according to the actual project; among them, each busbar protection unit is co...

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Abstract

The invention discloses an in-situ bus protection system, which comprises bus protection units arranged according to intervals, wherein the bus protection units collect corresponding interval information, carry out data sharing through an internal network, carry out information exchange with related protection equipment through a process layer network, and carry out information transmission with amonitoring system through a station level network. The invention further discloses an in-situ bus protection method. The bus protection units configure same hardware resource and software function modules except for unit address information; the bus protection units configure the subscribed and transmitted information into XML configuration files meeting the IEC61850 standard; and the bus protection units carry out data sharing on AC information and switching value information through parsing the configuration files in respective ways and independently complete the bus protection function. According to the in-situ bus protection system and the in-situ bus protection method, peer-to-peer configuration of the bus protection units is achieved, the in-situ bus protection system and the in-situ bus protection method are simple and easy to use, and the flexibility and the expansibility of in-situ bus protection engineering application are improved.

Description

technical field [0001] The invention relates to an in-situ busbar protection system and an in-situ busbar protection method, belonging to the technical field of electric power system relay protection. Background technique [0002] At present, the intelligent substation busbar protection based on the point-to-point scheme has been widely used in intelligent substations, which has promoted the development of busbar protection technology. With the extensive application of the project, some problems have gradually been exposed. Compared with the traditional busbar protection, due to the addition of merging units and intelligent terminal links, the overall action time has decreased. Due to the introduction of the virtual circuit SCD file, resulting in The difficulty of operation and maintenance has increased significantly. Based on the above reasons, the State Grid Corporation of China timely proposed a new in-situ protection technology characterized by "digital sampling, in-sit...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02H7/22
CPCH02H7/22
Inventor 唐治国陈琦陈福峰陈宏岩王永旭吴路明
Owner NANJING GUODIAN NANZI POWER GRID AUTOMATION CO LTD
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