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Separation type digitalized high-voltage switch controller

A high-voltage switch and separate technology, which is applied in the field of digital high-voltage switch controllers, can solve the problems of non-ferrous metal material consumption, complexity, and inability to solve wiring, etc., and achieves the effect of simple structure and high reliability.

Active Publication Date: 2011-03-09
XI AN JIAOTONG UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The digital switch is to replace the traditional control device with a digital control device (that is, a digital high-voltage switch controller). Most of the existing digital high-voltage switch controllers are installed on the local control cabinet of the high-voltage switch and GIS device. The device replaces the traditional control device and is used to control the switch and obtain the status and alarm information of the switch. Such a switch controller can meet the requirements of the digital substation and the IEC61850 communication protocol, but the digital substation and the IEC61850 communication protocol have not yet been adopted. Under the premise of a large number of popularization and application, it still cannot solve the problem of complicated wiring and hard wiring that consumes a lot of non-ferrous metal materials when interfacing with most current substation comprehensive automation equipment. Therefore, such switch controllers are used in the current common working environment. its flexibility and economy are limited

Method used

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  • Separation type digitalized high-voltage switch controller
  • Separation type digitalized high-voltage switch controller
  • Separation type digitalized high-voltage switch controller

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Such as Figure 4 As shown, when some substations do not meet the IEC61850 communication protocol in the existing various substation working environments, the status, alarm signals and analog signals of the open high-voltage switch or GIS equipment are passed through the switch input module k and The analog quantity conversion module k inputs the control unit, and performs interlocking and logical judgment in the CPU module of the control unit. The CPU module modulates the output signal from the status signal, alarm signal, analog signal and the interlocking and logical judgment in the CPU module to conform to The format of the IEC61850 communication protocol is sent to the adapter unit in the form of optical fiber Ethernet, and the adapter unit will demodulate the corresponding switch signal and analog output signal through the switch output module z and the analog quantity conversion according to the content of the IEC61850 communication protocol The output of module ...

Embodiment 2

[0035] Such as Figure 5As shown, the composition of this digital high-voltage switch controller is: in a substation that does not meet the IEC61850 communication protocol, the control unit outputs the interlocking operation command to other Digital high voltage switch controller. In substations that do not meet the IEC61850 communication protocol, the switching unit accepts interlocking operation commands from other digital high-voltage switch controllers through the digital input module z and the communication expansion module.

[0036] In the above scheme, the communication between multiple digital high-voltage switch controllers adopts optical fiber Ethernet and IEC61850 protocol.

Embodiment 3

[0038] Such as Figure 6 As shown, when all substations are in a digital environment, the digital high-voltage switch controller of the present invention is constructed in the following way: the status, alarm signals and analog signals of the open-type high-voltage switch or GIS equipment are respectively input through the switching value input module of the control unit k and the analog signal acquisition circuit in the analog quantity conversion module k are input to the control unit, and the interlock and logic judgment are performed in the CPU module of the control unit. After the judgment, the output signal is modulated into a format conforming to the IEC61850 communication protocol and sent to other automation equipment compatible with the IEC61850 protocol in the form of optical fiber Ethernet.

[0039] Figure 6 In the digital substation that meets the IEC61850 communication protocol, other substation automation equipment sends control or operation commands to the con...

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PUM

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Abstract

The invention discloses a discrete digitizing high-voltage switch controller, comprising a power module, a control unit and a transferring unit which are electrically connected with the power module; the control unit comprises a CPU control module which is respectively connected with a temperature module k, a clock module k, an analog conversion module k, a man-machine interface module k, a fibreEthernet communication module k, a switching value input module k, and a switching value output module k; the transferring unit comprises a CPU transferring module which is respectively connected with a clock module z, an analog conversion module z, a man-machine interface module z, a fibre Ethernet communication module z, a switching value input module z, a switching value output module z and a communication extension module; the control unit is connected with the transferring unit by fibres. The discrete digitizing high-voltage switch controller has simple structure, smart installation, lowcost and standardization, meets the digital substation and the IEC61850 communication protocol, and can be used for the digital high-voltage switch controllers of various open-typed high-voltage switches and GIS equipment.

Description

technical field [0001] The invention belongs to the field of electric power equipment, and relates to a digital high-voltage switch controller, especially a controller that not only meets the requirements of digital substations and IEC61850 communication protocols, but also is compatible with the current use environment of substations and can be used for various open high-voltage switches and GIS equipment. Digital high voltage switch controller. Background technique [0002] The control devices of traditional high-voltage switches and GIS equipment are composed of a large number of relays and auxiliary contacts. Such control devices are not only complicated in wiring, consume a lot of hard wiring of non-ferrous metal materials, but also cannot achieve standardized production, and increasingly cannot meet the needs of digital substations and IEC61850 Communication protocol requirements. [0003] With the popularization of digital substation and IEC61850 communication protoc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J13/00G05B15/02H04L12/28H04L29/06
Inventor 张杭白云飞
Owner XI AN JIAOTONG UNIV