Method and device for testing overall performance of intelligent transformer substation

A technology for smart substations and test methods, applied in circuit devices, electrical components, information technology support systems, etc., can solve problems such as equipment accidents and security threats to the operation of smart substations

Active Publication Date: 2012-06-20
STATE GRID SICHUAN ELECTRIC POWER CORP ELECTRIC POWER RES INST +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Defects in inspection methods may lead to technical defects in smart substations during the construction phase, threatening the operation safety of smart substations, and in serious cases may lead to major equipment accidents

Method used

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  • Method and device for testing overall performance of intelligent transformer substation
  • Method and device for testing overall performance of intelligent transformer substation
  • Method and device for testing overall performance of intelligent transformer substation

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Experimental program
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Embodiment Construction

[0061] Method and implementation steps proposed by the present invention:

[0062] Working principle of the present invention:

[0063] The core idea of ​​the invention is to regard the secondary system of the tested intelligent substation as a whole, incorporate the merging unit and the network switch into the detection range, and maintain the wiring integrity of the secondary system during the test. Use the "substation simulation system" to simulate the running status of the tested substation and the direct connection line, use the wireless transmission method to transmit the simulation results to the "collector simulator", and use the scattered arrangement of multiple "collector simulators" to merge to the tested substation Synchronously inject the test signal into the unit, use the "switch simulator" to check the action behavior of the relay protection device, use the network analyzer configured in the secondary system, the fault recorder and the recording function of the ...

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PUM

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Abstract

The invention discloses a method and a device for testing the overall performance of an intelligent transformer substation. The method comprises the following steps of: by taking a secondary system of the intelligent transformer substation as a check object, checking a combination unit and a network switch of the intelligent transformer substation; by taking a primary main connecting wire of the intelligent transformer substation, and a line and a power supply which are linearly connected with the primary main connecting wire as objects, establishing a transformer substation simulation model; according to configuration and test requirements of an electronic transformer and switching equipment of the intelligent transformer substation, arranging an acquirer simulator and a switch simulator; by using a numerical value simulation method, acquiring a time domain simulation result of an object system; and under the control of a test control system, synchronously inputting test signals of the acquirer simulator into the combination unit, and uploading an intelligent operation box command which is received by the switch simulator to the test control system, so that checking of the functional accuracy of the secondary system of the intelligent transformer substation is finished. Based on a numerical value simulation technology, a wireless transmission technology and a network exchange technology, the invention has a true and reliable test result by validation.

Description

technical field [0001] The invention relates to a test method and a test device for the overall performance of a substation, in particular to a test method and a test device for the overall performance of an intelligent substation based on power grid simulation and wireless transmission technology. Background technique [0002] Technical terms used in the present invention (prior art): [0003] Smart substation: Based on the IEC61850 communication specification, it is a modern substation that can realize information sharing and interoperability among smart electrical equipment in the substation. [0004] Electronic transformer: It is divided into electronic current transformer and electronic voltage transformer. The electronic transformer is composed of a collector, a merging unit and an optical fiber connecting the two. [0005] Collector: An integral part of the electronic transformer, which completes the analog-to-digital conversion of voltage and current signals, and us...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J13/00
CPCY02E60/723Y04S40/126Y02E60/7853Y04S10/16Y02E60/00
Inventor 甄威王彪井实张华
Owner STATE GRID SICHUAN ELECTRIC POWER CORP ELECTRIC POWER RES INST
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