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Intelligent substation secondary system

A technology for smart substations and secondary systems, applied in the field of smart substations, can solve the problems of poor processing effect of smart terminals, too many input and output signals and control signals, and achieve the effect of optimizing the secondary configuration structure and improving stability.

Inactive Publication Date: 2019-03-15
XUJI GRP +2
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Problems solved by technology

[0004] The purpose of the present invention is to provide a secondary system of an intelligent substation to solve the problem of poor processing effect of the intelligent terminal caused by many input and output signals and control signals of the intelligent terminal

Method used

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Embodiment Construction

[0018] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0019] System embodiment

[0020] The function of the original intelligent terminal is divided into two parts, one part is the function of communication and protocol conversion, and the other part is the function of switch position acquisition and control. The communication and protocol conversion functions are integrated in the protocol conversion module, and the protocol conversion module is integrated in the local integrated device A; the switch position acquisition and control functions are integrated into the high-voltage switch controller (the high-voltage switch controller here includes circuit breaker controller and knife switch controller). The local integration device A is set separately from the high-voltage switch controller. Among th...

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Abstract

The invention relates to an intelligent substation secondary system. The secondary system cancels an original intelligent terminal, integrates a switch position acquisition function and a control function of the intelligent terminal into a high-voltage switch controller, realizes signal acquisition and control of the intelligent substation, and sets GOOSE transceiving and protocol conversion functions in a protocol conversion module. According to the scheme of the invention, the functions of the original intelligent terminal are divided and processed to realize specific control functions. Thedistributed acquisition and control method overcomes the defect of poor reliability caused by more input and output signals and control signals of the intelligent terminal in a traditional intelligentsubstation, improves the stability of a protection and control system, and optimizes a secondary configuration structure of the intelligent substation.

Description

technical field [0001] The invention belongs to the technical field of intelligent substations, and in particular relates to a secondary system of an intelligent substation. Background technique [0002] With the continuous expansion of the scale of the power system, large-capacity, ultra-high voltage, and long-distance power transmission are increasing, and the system structure is becoming more and more complex. The integration of substation protection is the future development trend. According to the existing demand, it is necessary to design and study the key technology of the on-site integrated device oriented to the interval object, realize the integration of on-site multi-functional protection, control, measurement and monitoring, reduce the data transmission link, improve the performance index of the protection and control system, and optimize the substation two. The sub-system architecture realizes the localized placement of smart devices. [0003] In the existing s...

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Application Information

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IPC IPC(8): H02J13/00
CPCH02J13/0006Y02E60/00Y04S10/16
Inventor 牟涛周东杰朱付强赵会彬马志敏吕玄兵李超常奇峰蔡娆娆王振华孙振华任华峰高传发
Owner XUJI GRP
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