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Smart Grid Transmission Line Fault Monitoring System and Method

A technology of transmission lines and smart grids, which is applied in the direction of measuring electricity, measuring devices, and measuring electrical variables, etc., can solve the problems of large manpower, material resources, single detection of fault types, and low detection accuracy, so as to improve accuracy and improve real-time The effect of rapidity

Active Publication Date: 2016-01-13
JIANGSU UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] The purpose of the present invention is to provide a smart grid transmission line fault monitoring system and method to solve the technical problems that the traditional line inspection method cannot realize online monitoring, requires a lot of manpower and material resources, low detection accuracy and single detection fault types

Method used

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  • Smart Grid Transmission Line Fault Monitoring System and Method
  • Smart Grid Transmission Line Fault Monitoring System and Method
  • Smart Grid Transmission Line Fault Monitoring System and Method

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Embodiment Construction

[0034] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0035] Such as figure 1 As shown, the smart grid transmission line fault monitoring system includes sensor unit 1, signal conditioning circuit 2, DSP unit 3, ARM unit 4, GPRS module 5, keyboard 6, upper computer 7, LCD display 8, power module 9, first Reset circuit 10, first clock circuit 11, first storage circuit 12, second clock circuit 13, second storage circuit 14, second reset circuit 15; the output terminal of the sensor unit 1 and the input terminal of the signal conditioning circuit 2 connected, the output end of the signal conditioning circuit 2 is connected to the input end of the DSP unit 3, the output end of the DSP unit 3 is connected to the input end of the ARM unit 4, and the reset signal input end of the DSP unit 3 is connected to the first reset circuit The output end of 10 is connected, the clock input end of DSP unit 3 is co...

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Abstract

The invention discloses a fault monitoring system and method for a transmission line of an intelligent grid. The fault monitoring system for a transmission line of an intelligent grid utilizes modern embedded technology and adopts a structure of double CPUs, that is, ARMs and DSPs. Among them, the ARM processor, which is good at running management tasks, is responsible for controlling the communication between GPRS and the host computer and the human-computer interaction function, while the DSP, which is suitable for running digital signal processing algorithms, is only responsible for running fault diagnosis algorithms to improve the real-time and rapid data processing of the monitoring system. Improve the accuracy of fault monitoring. The smart grid transmission line fault monitoring method uses discrete wavelet transform and modulus maximum judgment method to determine the signal singularity method to process the transient signal of the power grid and improve the accuracy of fault monitoring. The invention can realize the monitoring of short circuit, open circuit and grounding fault at the same time, and realize the on-line fault monitoring of the transmission line by using the GPRS network in cooperation with the host computer.

Description

technical field [0001] The invention relates to a transmission line of a smart grid, in particular to a fault monitoring system and a fault diagnosis method for a transmission line of a smart grid, and belongs to the technical field of power supply and distribution equipment. Background technique [0002] In March 2010, Premier Wen Jiabao proposed "strengthening smart grid construction" in his government work report at the National Two Sessions. The following year, "promoting the construction of smart grid" was included in the national "Twelfth Five-Year Plan" and became a basic national strategy. This is an inevitable requirement for power resources in the rapid development of social and economic levels in the 21st century. According to the definition of the International Energy Conference, the smart grid, that is, the intelligence of the grid, is also called "grid 2.0". It is built on the basis of an integrated, high-speed two-way communication network, through the applic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/02
Inventor 曾庆军张帝陈伟
Owner JIANGSU UNIV OF SCI & TECH
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