Five-prevention system for intelligent substation

An intelligent substation and five-defense technology, applied in information technology support systems, electrical components, circuit devices, etc., can solve the problems of complex structure and increased investment costs of independent five-defense systems, and achieve accurate blocking judgment conditions and ensure stability , high safety performance

Active Publication Date: 2017-05-24
SHANGHAI MUNICIPAL ELECTRIC POWER CO +1
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Problems solved by technology

[0003] The structure of the above-mentioned independent five-proof system is complicated, especially the need to add a locking controller and a locking relay on site, which involves a secondary circuit, which brings a lot of work to system design, construction acceptance, and later operation and maintenance; at the

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  • Five-prevention system for intelligent substation

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[0025] The present invention will be described in detail below with reference to the drawings and specific embodiments. This embodiment is implemented on the premise of the technical solution of the present invention, and provides detailed implementation and specific operation procedures, but the protection scope of the present invention is not limited to the following embodiments.

[0026] Such as figure 1 Shown here is a five-prevention system for an intelligent substation provided in this embodiment. Compared with the traditional five-prevention system, the five-prevention system is located in the monitoring system of the intelligent substation, and is respectively connected with the intelligent terminal of the intelligent substation. 4 is connected to terminal equipment 5, which includes switches, knives and ground knives of intelligent substations. The five-prevention system includes a monitoring system backstage blocking module 1, a bay level blocking module 2, and an elec...

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Abstract

The invention relates to a five-prevention system for an intelligent substation. The five-prevention system is positioned in a monitoring system of the intelligent substation and is connected with an intelligent terminal and terminal equipment of the intelligent substation respectively. The five-prevention system comprises a monitoring-system background locking module, a spacing-layer locking module and an electric-loop locking module; the monitoring-system background locking module is connected with a monitoring database in the monitoring system and the electric-loop locking module respectively; the spacing-layer locking module is connected with the intelligent terminal; and the electric-loop locking module is connected with the terminal equipment. Compared with the prior art, the five-prevention system has the advantages of high informationization degree, convenience in remote-control operation and high safety performance and the like.

Description

technical field [0001] The invention relates to an intelligent substation, in particular to a five-defense system for an intelligent substation. Background technique [0002] In conventional substations, an independent microcomputer five-proof system is usually installed. The complete microcomputer five-proof system is divided into three layers from the structure. The relevant remote signaling information used for logic locking is used for logical locking calculations; the second is the remote control locking controller at the bay layer, and the main function of the controller is to receive the locking opening message from the anti-malfunction host and convert it into a contact opening; the third is to execute The remote control locking relay on the second floor is controlled by the locking controller, and its contacts are connected in series in the control circuit of the electric operation equipment, and connected in series with the opening and closing remote control contac...

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Application Information

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IPC IPC(8): H02J13/00
CPCH02J13/0006Y02E60/00Y04S10/16
Inventor 周德生沈冰邹晓峰宋杰徐洁曾平
Owner SHANGHAI MUNICIPAL ELECTRIC POWER CO
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