Sequential secondary device control method and system with association of running state of primary device

Abstract

The invention discloses a sequential secondary device control method with association of the running state of a primary device. The method comprises: a corresponding operation task in each sequentialcontrol operation application scenario as well as a sequential control operation corresponding to the operation task is preset; a sequential control operation application scenario is selected and an operation task in the sequential control operation application scenario and a sequential control operation corresponding to the operation task are performed automatically; after sequential control operation ending, actual investment and exit states of one group of soft pressing plates corresponding to a protection device are obtained automatically; and the actual investment and exit states are compared with the investment and exit states of the group of soft pressing plates in a preset target investment and exit state of the protection device. According to the invention, the corresponding sequential control operation is performed automatically based on the operation task and thus automatic investment and exit of the protection device and automatic execution of the safety measures are completed; and the operation and maintenance personnel or the maintenance personnel does not need to select the specific process of the sequential control operation.

Description

technical field [0001] The invention relates to the technical field of online operation and maintenance of secondary equipment in intelligent substations, in particular to a sequential control method and system for secondary equipment associated with the operating status of primary equipment. Background technique [0002] In recent years, the development of communication network technology has created conditions for the application and promotion of smart substations, which has continuously improved the intelligence of substations. The smart substation replaces the hard wiring of the traditional substation with three layers and two networks, creating good technical conditions for the maintenance and status monitoring of relay protection equipment. [0003] The smart substation replaces the hard wiring of the traditional substation through optical fiber communication. The traditional secondary circuit wiring is expressed as an invisible abstract network message, which increase...

AI Technical Summary

Problems solved by technology

At present, the return of secondary equipment and the implementation of safety measures still adopt the traditional operation ticket form, and manual return and check are carried out one by one. This method is inefficient and error-prone.

Moreover, the current substation sequence control operation is mainly aimed at the running state, and there are few studies on the operation sequence control of the protection device.