Intelligent integrated controller for permanent magnet vacuum circuit breaker

Abstract

The invention relates to an intelligent integrated controller for a permanent magnet vacuum circuit breaker, and belongs to the technical field of intelligent high-voltage switch control systems. The intelligent integrated controller comprises a control mainboard, a communication module connected with the communication interface of the control mainboard, a current / voltage sampling board and a switching value detection and control board which are connected with the input end of the control mainboard, an LCD (Liquid Crystal Display) keyboard and a guide driving board which are connected with the output end of the control mainboard, and a power board for providing a working power supply required for the controller. The intelligent integrated controller disclosed by the invention can be used for acquiring the alternating current measuring values and the quantity of state in real time, executing a remote control command and achieving various relay protection functions. The intelligent integrated controller disclosed by the invention has an open-type communication function, is matched with various electric system communication protocols, can be communicated with a master station of a distribution automation system and can be used for achieving remote control management.

Description

technical field [0001] The invention relates to an intelligent integrated controller for a permanent magnet vacuum circuit breaker, belonging to the technical field of intelligent high-voltage switch control systems. Background technique [0002] The control unit of the existing intelligent high-voltage permanent magnet vacuum circuit breaker is generally equipped with an independent power module, a permanent magnet mechanism controller, and a general protection measurement and control device or FTU. The power module provides the working power and operating power required by the permanent magnet mechanism controller and the general protection measurement and control device; the permanent magnet mechanism controller drives the permanent magnet mechanism of the circuit breaker according to the preset opening and closing time and opening and closing control signals action; the general protection measurement and control device collects local AC measurement values ​​(such as vol...

AI Technical Summary

Problems solved by technology

The control unit of the existing intelligent high-voltage permanent magnet vacuum circuit breaker has not been designed in an integrated manner, and the fault current cannot be quickly detected and judged to realize the rapid protection function; Closing time, so as to realize the fast protection function and synchronous opening and closing function when the circuit breaker closes to the fault; in addition, due to the separate design of each functional module, it is necessary to carry out secondary wiring in the control unit to realize the electrical connection, and the product has Poor production technology, large volume, inconvenient installation, commissioning and after-sales service, etc.

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