CN-121984241-A - Secondary deep integration intelligent high-voltage switch secondary circuit topology based on high integration level

CN121984241ACN 121984241 ACN121984241 ACN 121984241ACN-121984241-A

Abstract

The invention relates to the technical field of intelligent high-voltage switches and discloses a secondary deep fusion intelligent high-voltage switch secondary circuit topology based on high integration level, which comprises an intelligent main control unit, a breaker control module and a disconnecting link control module, wherein a data communication module is communicated with spacer layer equipment in a point-to-point mode and used for receiving opening and closing commands of a breaker and a disconnecting link issued by the spacer layer equipment, the data communication module is communicated with the breaker control module and the disconnecting link control module in a ring network communication mode, a data acquisition module is used for acquiring switching state information and on-line monitoring information of the breaker and the disconnecting link, a data processing module is used for synchronously processing acquired data and framing according to a standard specification format, the processed data is sent to the spacer layer equipment through the data communication module, and a state monitoring module is used for carrying out state analysis on the acquired data and feeding back a state analysis result to a monitoring background in real time in a manufacturing message specification communication mode.

Inventors

SHI HENGCHU
CHEN JING
YANG QIAOWEI
LI YINYIN
XU SHOUDONG
CHEN XIAOFAN
YOU HAO
ZHOU HAICHENG
YANG WANGXIA
DING XIAOLI
HU XIAO
YANG YUANHANG

Assignees

云南电网有限责任公司

Dates

Publication Date: 20260505
Application Date: 20260403

Claims (7)

1. The secondary deep integration intelligent high-voltage switch secondary circuit topology based on high integration level is characterized by comprising an intelligent main control unit, a breaker control module and a disconnecting link control module; The intelligent main control unit consists of a data communication module, a data acquisition module, a data processing module and a state monitoring module; The data communication module is communicated with the spacer layer equipment in a point-to-point mode and receives opening and closing commands of the circuit breaker and the disconnecting link issued by the spacer layer equipment; The data acquisition module acquires the switch state information and the on-line monitoring information of the circuit breaker and the disconnecting link through the data communication module; The data processing module is used for synchronously processing the acquired data, framing the acquired data according to a standard prescribed format and transmitting the processed data to the spacer layer equipment through the data communication module; the state monitoring module is used for carrying out state analysis on the acquired data and feeding back the result of the state analysis to the monitoring background in real time in a manufacturing message standard communication mode; the intelligent main control unit integrates a protection control function and a monitoring communication function into a whole by adopting a field programmable gate array chip and a digital signal processor chip; The field programmable gate array chip is provided with the data communication module and the data acquisition module; The digital signal processor chip is provided with the data processing module and the state monitoring module; The intelligent main control unit, the breaker control module and the disconnecting link control module are in the same ring network; The ring network supports two-way communication, including a clockwise communication function and a counterclockwise communication function; The ring network adopts a communication mechanism of synchronous interaction of data in an optical fiber ring network in a mode of one master and multiple slaves, wherein the intelligent main control unit is a master node, and the breaker control module and the disconnecting link control module are slave nodes.
2. The secondary deep fusion intelligent high-voltage switch secondary circuit topology based on the high integration level, as set forth in claim 1, wherein the intelligent main control unit is arranged in a control cabinet for collecting, controlling and analyzing information of a circuit breaker and a disconnecting link, the circuit breaker control module is arranged in an operating mechanism box of the circuit breaker for realizing intelligent control of the operating mechanism box of the circuit breaker, and the disconnecting link control module is arranged in the operating mechanism box of the disconnecting link for realizing intelligent control of the operating mechanism box of the disconnecting link; The intelligent main control unit is respectively connected with the breaker control module and the disconnecting link control module through optical cables, and the breaker control module is connected with the disconnecting link control module through optical cables.
3. The secondary deep fusion intelligent high-voltage switch secondary circuit topology based on high integration level as claimed in claim 2, wherein the breaker control module is connected with the breaker through a cable and is used for realizing tripping and closing control of the breaker and on-line monitoring of breaker state information; the knife switch control module is connected with the knife switch through a cable and is used for realizing the tripping and closing control of the knife switch and the on-line monitoring of the state information of the knife switch.
4. The secondary deep integration intelligent high-voltage switch secondary circuit topology based on high integration level as claimed in claim 3, wherein the number of the intelligent main control units is 1, the number of the breaker control modules is m, and the number of the knife switch control modules is n; Wherein m and n are each 1 or more.
5. The secondary circuit topology of a secondary deep integration intelligent high-voltage switch based on high integration level as claimed in claim 4, wherein when a certain node in the ring network fails to cause communication interruption in a clockwise direction, control and information uploading of the node in the ring network are realized through communication in a counterclockwise direction, and when the certain node in the ring network fails to cause communication interruption in the counterclockwise direction, control and information uploading of the node in the ring network are realized through communication in the clockwise direction.
6. The secondary deep integration intelligent high-voltage switch secondary circuit topology based on high integration level as claimed in claim 5, wherein the ring network is an optical fiber ring network.
7. The secondary loop topology of a secondary deep convergence intelligent high-voltage switch based on high integration of claim 6, wherein in a communication mechanism of one master and multiple slaves, all slaves respond to a call of the master and take the call period of the master as the communication period of the whole ring network.

Description

Secondary deep integration intelligent high-voltage switch secondary circuit topology based on high integration level Technical Field The invention relates to the technical field of intelligent high-voltage switches, in particular to a secondary deep fusion intelligent high-voltage switch secondary circuit topology based on high integration level. Background The traditional high-voltage switch only depends on discrete components with single functions to realize the acquisition and control tasks of the high-voltage switch information, so that the traditional high-voltage switch secondary circuit topology is usually connected in a point-to-point mode at present, the use quantity of cables is large, and a complex wiring system is formed. The traditional point-to-point connection mode of the secondary circuit topology of the high-voltage switch not only ensures that the internal structure of the control cabinet is crowded and the difficulty of maintenance and overhaul is increased, but also improves the cost and reduces the reliability of the system because of the large-scale use of cables. In addition, the traditional secondary control loop of the high-voltage switch has limitations in information acquisition and control, and is difficult to meet the requirements of modern power systems on intellectualization and high integration level. In order to solve the above limitation, the prior art attempts an intelligent modification scheme, for example, a network topology structure of an intelligent high-voltage switch is disclosed in the prior art, and the use of partial cables is reduced and the information interaction capability is improved by constructing a network connection. However, in the practical application process, the network topology structure has the problems of numerous intelligent devices and high cost, so that the network topology structure is difficult to popularize and apply on a large scale. Meanwhile, the network topology structure is insufficient in deep fusion consideration of secondary equipment, and has certain improvement potential in the aspects of integration level and intelligent level. Therefore, there is a need for a secondary deep integration intelligent high-voltage switch secondary circuit topology based on high integration level, which can further improve the integration level of a system, simplify the wiring structure and enhance the communication reliability on the basis of realizing the deep integration of secondary equipment, thereby promoting the large-scale engineering application of the intelligent high-voltage switch technology. Disclosure of Invention The present invention has been made in view of the above-described problems occurring in the prior art. Therefore, the invention provides a secondary deep integration intelligent high-voltage switch secondary circuit topology based on high integration level, which solves the problems of the prior art that the quantity of equipment is large, the wiring is complex, the cost is high, the integration level is low, the reliability is insufficient, and the large-scale popularization requirement of the intelligent high-voltage switch is difficult to meet. In order to solve the technical problems, the invention provides the following technical scheme: the invention provides a secondary deep integration intelligent high-voltage switch secondary circuit topology based on high integration level, which comprises an intelligent main control unit, a breaker control module and a disconnecting link control module; The intelligent main control unit consists of a data communication module, a data acquisition module, a data processing module and a state monitoring module; The data communication module is communicated with the spacer layer equipment in a point-to-point mode and receives opening and closing commands of the circuit breaker and the disconnecting link issued by the spacer layer equipment; The data acquisition module acquires the switch state information and the on-line monitoring information of the circuit breaker and the disconnecting link through the data communication module; The data processing module is used for synchronously processing the acquired data, framing the acquired data according to a standard prescribed format and transmitting the processed data to the spacer layer equipment through the data communication module; the state monitoring module is used for carrying out state analysis on the acquired data and feeding back the result of the state analysis to the monitoring background in real time in a manufacturing message standard communication mode; the intelligent main control unit integrates a protection control function and a monitoring communication function into a whole by adopting a field programmable gate array chip and a digital signal processor chip; The field programmable gate array chip is provided with the data communication module and the data acquisition module; The digital signal processor chip is provide