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Traditional switch intelligent interface device for digitized transformer substation

An intelligent interface and substation technology, applied in circuit devices, electrical components, information technology support systems, etc., to achieve the effect of solving intelligent transformation and having interoperability

Active Publication Date: 2012-08-08
NORTH CHINA GRID +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In order to solve the problem of intelligentization of traditional switches, and to solve the problem of digital substation process level switch quantity information collection and control, the invention provides a switch intelligent interface device

Method used

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  • Traditional switch intelligent interface device for digitized transformer substation
  • Traditional switch intelligent interface device for digitized transformer substation
  • Traditional switch intelligent interface device for digitized transformer substation

Examples

Experimental program
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Embodiment Construction

[0018] The technical solution of the present invention will be described in further detail below according to the accompanying drawings.

[0019] The invention discloses an intelligent interface device for the intelligent transformation of a traditional switch, such as figure 1 As shown, the intelligent interface device includes a communication module, a binary input and output control CPU, a binary input acquisition circuit and an output control circuit. The communication module and the input and output control CPU are connected by a high-speed bus, and the input and acquisition circuit is connected with the circuit breaker tripping and closing position contacts through the local cable, and the switch state quantity is collected by the input and output control CPU; The control circuit is connected with the circuit breaker tripping coil and closing coil through local cables, and the CPU operates the circuit breaker tripping and closing coils through opening and closing to comp...

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PUM

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Abstract

The invention discloses a traditional switch intelligent interface device for a digitized transformer substation, which can be installed on a switch yard. The intelligent interface device and the digitized transformer substation receive GOOSE-free service communication using IEC61850 of protection equipment and measurement and control equipment of an isolating layer, and complete the control of the traditional switch and the acquisition of the switch state information. The invention belongs to the field of power system control and can be used for intelligent transformation of the traditional switch of the digitized transformer substation.

Description

technical field [0001] The invention belongs to the field of power system control, and in particular relates to an intelligent transformation method and an intelligent interface unit that can be used for traditional switches in intelligent digital substations. Background technique [0002] In traditional substations, a large number of control cables are used to connect traditional switches and bay layer protection and measurement and control devices. This method has the following disadvantages: [0003] 1) The electromagnetic interference of substation operation caused by the coupling of control cables has always been a problem that plagues relay protection workers. Various sources of interference enter secondary equipment through control cables, causing damage to equipment or incorrect actions of protection devices. occur. [0004] 2) There are a large number of terminal connections in a substation, and each connection error or abnormality may have serious consequences, w...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J13/00
CPCY02E60/723Y04S40/124Y02E60/7838Y04S10/16Y02E60/00
Inventor 巩学海战秀河晋阳珺袁敬中张静波姚庆华张丽史文豪
Owner NORTH CHINA GRID
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