High-voltage interconnection switchover system and method

Abstract

The invention provides a high-voltage interconnection switchover system and method. The high-voltage interconnection switchover system comprises a master-control communication plug-in, a remote-signaling plug-in, a remote-control plug-in and a remote-measurement plug-in, wherein one end of the master-control communication plug-in communicates with the remote-signaling plug-in, the remote-control plug-in and the remote-measurement plug-in through two CAN-BUSes on a mother board, and the other end of the master-control communication plug-in is communicated with each dispatching master station. The high-voltage interconnection switchover system and method have the advantages that real-time remote monitoring is carried out on bus high-voltage interconnection in a monitored site, abnormal conditions of bus high-voltage interconnection in the monitored site can be found in time, reverse switchover is carried out rapidly, maloperation of a protective device related to voltage is prevented, and the operation safety of the monitored site is improved; the high-voltage interconnection motions are high in reliability and support a hot standby switchover mode and a cold standby switchover mode, and switch conditions can be set; in addition, the reverse switchover logic starting process and reverse switchover time parameters can be set, can be accurately adjusted according to the conditions of different stations, and have good adaptability.

Description

technical field [0001] The invention belongs to the technical field of communication and automatic control, and in particular relates to a pressure mutual switching system and a pressure mutual switching method. Background technique [0002] During the operation of the 27.5KV PIM in the existing traction substation, there are mainly the following problems: (1) The operation time of backcutting is long: the current partition design on the high voltage side is manual operation, when the operation mode changes or the PIM failure requires When reversing, the switch must be manually operated by the on-duty personnel, which has the disadvantage of long switching time. (2) The timeliness of backcutting is poor: when the voltage mutual is abnormal, it is difficult to find the fault in time and effectively, and it is easy to cause damage to the key equipment; moreover, when the voltage mutual fault occurs, the standby voltage mutual input is not timely, resulting in voltage-related p...

AI Technical Summary

Problems solved by technology

[0002] During the operation of the 27.5KV PIM in the existing traction substation, there are mainly the following problems: (1) The operation time of backcutting is long: the current partition design on the high voltage side is manual operation, when the operation mode changes or the PIM failure requires When reversing, the switch must be manually operated by the on-duty personnel, which has the disadvantage of long switching time

(2) The timeliness of backcutting is poor: when the voltage mutual is abnormal, it is difficult to find the fault in time and effectively, and it is easy to cause damage to the key equipment; moreover, when the voltage mutual fault occurs, the standby voltage mutual input is not timely, resulting in voltage-related protection Device malfunction

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