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Feeder automation test system based on RTDS real-time digital simulator

A technology of real-time digital simulation and feeder automation, applied in general control systems, control/regulation systems, instruments, etc., can solve problems such as complex protection and logic, complex line conditions, etc., achieve a high degree of automation and many test samples Effect

Inactive Publication Date: 2020-09-18
ELECTRIC POWER RES INST OF GUANGXI POWER GRID CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When distributed energy such as small hydropower is directly connected to the 10kV feeder, the working conditions of the line are more complicated
In order to adapt to the processing of various short-circuit and ground faults under complex working conditions, the controller usually uses transient characteristic quantities to judge, and the protection and logic become more complicated
In the past, the test environment using the injection power source method of the relay protection device is no longer applicable, and there is an urgent need for a test system to be upgraded to test and inspect various feeder automation systems in an orderly and efficient manner.

Method used

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  • Feeder automation test system based on RTDS real-time digital simulator
  • Feeder automation test system based on RTDS real-time digital simulator

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Embodiment

[0022] see figure 1 and figure 2 , figure 1 It is a schematic diagram of the structural composition of the feeder automatic test system based on the RTDS real-time digital simulator in the embodiment of the present invention, figure 2 It is a specific connection diagram of the feeder automatic test system based on the RTDS real-time digital simulator in the embodiment of the present invention.

[0023] Such as figure 1 and figure 2 Shown, a kind of feeder automatic test system based on RTDS real-time digital emulator, it is characterized in that, described system comprises: RTDS real-time emulator 11, the power amplifier 12 that connects with described RTDS real-time emulator 11 based on signal line, analog Circuit breaker 13 and analog power distribution master station system 14; Wherein,

[0024] The RTDS real-time simulator 11 is used to build a feeder automatic test model library under various working conditions, or to output line transient information, or to perfo...

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Abstract

The invention discloses a feeder automation test system based on an RTDS real-time digital simulator. The system comprises the RTDS real-time simulator, a power amplifier connected with the RTDS real-time simulator based on a signal line, an analog circuit breaker and an analog power distribution main station system. In the embodiment of the invention, a test environment closer to reality is provided, more test samples are provided, and the automation degree is high.

Description

technical field [0001] The invention relates to the field of power distribution automation systems, in particular to a feeder automation test system based on an RTDS real-time digital simulator. Background technique [0002] The development of smart distribution network is an important way to realize the intelligent, informatization and high reliability operation of the power grid. Feeder automation is one of the important technical means to realize intelligent distribution network. Feeder automation FA refers to the use of automation devices or systems to realize automatic positioning and isolation of feeder faults on medium-voltage distribution lines and automatic technical measures to restore power to non-faulty areas. , Powerful measures to improve power supply reliability and service quality. [0003] The feeder automation test environment usually adopts the injection power source. This type of test environment is only suitable for feeder automation systems that use s...

Claims

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Application Information

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IPC IPC(8): G01R31/00G05B17/02
CPCG01R31/00G05B17/02
Inventor 陈千懿李克文俞小勇欧世锋陶中云黄伟翔欧阳健娜吴丽芳
Owner ELECTRIC POWER RES INST OF GUANGXI POWER GRID CO LTD
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