Distributed automatic power supply on and off control system for fault recorder

Abstract

Provided is a distributed automatic power supply on and off control system for a fault recorder. The system comprises an information far transmission host installed in an information far transmission screen, a power supply on and off controller installed in the fault recorder, an intermediate relay and a fault recorder microcomputer processor. The information far transmission host is connected with the power supply on and off controller through a serial port, the power supply on and off controller is connected with the intermediate relay through a power control line, and the information far transmission host is connected with the fault recorder microcomputer processor through an Ethernet switch. According to the distributed automatic power supply on and off control system for the fault recorder, whether the fault recorder microcomputer processor crashes or not is judged through communication of the fault recorder and an information far transmission substation system, and then the power supply on and off controller is utilized to control the intermediate relay to switch on and off a power supply of the fault recorder, so that the fault recorder microcomputer processor can be automatically restarted, and the problem that the fault recorder microcomputer processor in a transformer substation must be restarted manually after crashing is effectively solved.

Description

technical field [0001] The invention belongs to the technical field of automatic control of the host computer of substation information substation, and in particular relates to a distributed automatic power switching and switching control system for fault recorders. Background technique [0002] The fault recorder is an automatic recording device that is put into operation all the year round to monitor the operation status of the power system. When the system fails, the device starts up and directly records the electrical quantities (current, voltage) and digital quantities reflecting the system faults where the device is installed. (Switch displacement, protection action, etc.) displacement is a reliable basis for analyzing system accidents. However, in actual use, the microcomputer processor of the fault recorder often crashes. If this happens, the protection personnel need to go to the scene to cut off the power of the fault recorder and restart it, and then it can retur...

AI Technical Summary

Problems solved by technology

However, in the actual use process, it often occurs that the microcomputer processor of the fault recorder crashes.

If this happens, the protection personnel need to go to the scene to cut off the power of the fault recorder and restart it, and then it can return to normal; Time, this treatment not only increases the fault elimination time of the fault recorder, increases the possibility that the fault recorder cannot record normally when the power grid fails, but also increases the on-site work intensity of the protection personnel, and also increases the fault recording time. Defect elimination cost

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