Multipoint virtual data injection type intelligent transformer substation site debugging method

A smart substation and virtual data technology, applied in electrical testing/monitoring, measuring electricity, measuring electrical variables, etc., can solve the problems of inability to verify the overall function of the system, simulation of substation faults, and unfriendly operation, so as to improve the feasibility and completeness performance, improve overall efficiency, and eliminate test blind spots

Inactive Publication Date: 2018-05-08
STATE GRID JIANGSU ELECTRIC POWER CO LTD NANTONG POWER SUPPLY BRANCH
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Problems solved by technology

On-site test equipment only has digital relay protection testers reported, and the price is expensive, the service cost is very high, and the operation is not friendly enough; domestic research on smart substa

Method used

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  • Multipoint virtual data injection type intelligent transformer substation site debugging method
  • Multipoint virtual data injection type intelligent transformer substation site debugging method
  • Multipoint virtual data injection type intelligent transformer substation site debugging method

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Embodiment

[0031] combine figure 1 As shown, a multi-point virtual data injection type smart substation on-site debugging method specifically includes the following steps:

[0032] (1) Structure analysis: determine the field test structure of the smart substation, the number and type of test data injection points;

[0033] According to the scope of the smart substation to be tested and the type of test items, the smart substation is divided into a sampling part, a switch part and a secondary equipment part. The secondary equipment part includes at least a sampling loop and a switching loop. Combined with the test efficiency and the feasibility of the test method, the debugging of the secondary system of the smart substation is divided into three parts: the debugging of the main transformer protection area, the debugging of the busbar and line protection area, and the debugging of other areas. The whole station debugging of the smart substation is realized through local debugging on site....

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Abstract

The invention discloses a multipoint virtual data injection type intelligent transformer substation site debugging method. The multipoint virtual data injection type intelligent transformer substationsite debugging method comprises the following steps of (1) configuration analysis: determining a site test configuration of an intelligent transformer substation, a test data injection point quantityand a type; (2) data fitting: according to a sampling interval or a switch interval, virtualizing test data of all injection points; (3) sampling and switch loop debugging: debugging a sampling loopand a switch loop of the intelligent transformer substation; and (4) subsystem debugging: regionally debugging a secondary system of the intelligent transformer substation. The debugging method of theinvention is used to increase safety, reliability and economy of intelligent transformer substation construction engineering, a system acceptance period is effectively shortened, a guidance is provided for a lot of system-level tests in the further, and a good engineering application value is possessed.

Description

technical field [0001] This application relates to the field of testing of intelligent substations in electric power systems, in particular to a multi-point virtual data injection type intelligent substation on-site debugging method. Background technique [0002] Since the construction of the smart grid by the State Grid, the smart substation, as one of the "six cores" of the smart grid, has been widely used in engineering applications. The smart substation takes electronic transformers, merging units, and intelligent devices as the core, and is based on the transmission of digital sampling values ​​and the IEC 61850 communication system. advantage. [0003] Smart substations abandon the traditional substation method of transmitting electrical signals using cables as a medium, and use optical fiber to digitally transmit substation equipment operation information. Corresponding to the optical fiber digital transmission of information, smart devices such as electronic transf...

Claims

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Application Information

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IPC IPC(8): G01R31/00G05B23/02
CPCG01R31/00G05B23/0213
Inventor 李云鹏周峰陈震伟汤汉松姜鑫东邰楠张炜陈晔范国祥周海峰张燕季晨宇王晨璐马俊明
Owner STATE GRID JIANGSU ELECTRIC POWER CO LTD NANTONG POWER SUPPLY BRANCH
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