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Method and system for monitoring voltage and capable of improving power grid voltage quality

A technology of voltage quality and grid voltage, applied in information technology support systems, electrical components, circuit devices, etc., can solve problems such as timely judgment of grid voltage quality, difficult grid voltage quality, and in-depth analysis of grid voltage quality indicators.

Active Publication Date: 2014-09-10
NORTHEASTERN UNIV
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

The above-mentioned patents did not conduct an in-depth analysis of the grid voltage quality indicators, let alone make a timely judgment on the future trend of the grid voltage quality, so it is difficult to effectively monitor the grid voltage quality

Method used

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  • Method and system for monitoring voltage and capable of improving power grid voltage quality
  • Method and system for monitoring voltage and capable of improving power grid voltage quality
  • Method and system for monitoring voltage and capable of improving power grid voltage quality

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Embodiment Construction

[0064] The specific implementation manners of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0065] In this embodiment, the grid voltage quality monitoring system of the monitoring method for improving grid voltage quality, such as figure 1 As shown, it includes a data acquisition unit, a voltage quality index analysis unit in a historical time period, a voltage quality index prediction unit in a future time period, and a data storage unit;

[0066] The data acquisition unit is used to acquire real-time voltage data and voltage statistical data of the monitoring point;

[0067] The voltage quality index analysis unit in the historical time period is used to analyze the historical situation of the voltage quality index according to the statistical data of each monitoring point obtained by the data acquisition unit, including: selecting the monitoring point to be analyzed and the voltage quality index to be analyzed; sele...

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Abstract

The invention provides a method for monitoring voltage and capable of improving power grid voltage quality. The method for monitoring the voltage and capable of improving the power grid voltage quality includes: obtaining real time voltage data and voltage statistic data of a plurality of monitoring points; analyzing history status of voltage quality indexes according to the collected voltage statistic data of all the monitoring points; performing online prediction on future trends of the voltage quality indexes according to the current collected real time voltage data of all the monitoring points. A system for monitoring the voltage and capable of improving the power grid voltage quality, which is used to achieve the method, comprises a data acquisition unit, a history time period voltage quality index analysis unit, a future time period voltage quality index prediction unit and a data storage unit. The method and the system for monitoring the voltage and capable of improving the power grid voltage quality achieve deep analysis for the voltage quality and timely judgment for the future trends of the power grid voltage quality, and improve the effective degree of power grid voltage quality monitoring.

Description

technical field [0001] The invention relates to the technical field of grid voltage quality monitoring, in particular to a voltage monitoring method and system for improving grid voltage quality. Background technique [0002] With the sustained and rapid development of the national economy and the continuous improvement of people's living standards, the trend of rapid growth in my country's electricity demand will not change for a long time. With the development of the power grid and the continuous increase of power supply load, if the voltage fluctuation exceeds the allowable range and lasts for a long time, it will cause great harm: for the power supply grid, low voltage will affect the ability of power generation and power supply equipment, and affect the reliability of power supply; The voltage of the equipment is unstable, which will affect the service life, or even burn out, increasing the line loss. The above-mentioned reasons will also have adverse effects on the no...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J13/00
CPCY04S10/527Y04S10/52
Inventor 俞胜平徐泉方正
Owner NORTHEASTERN UNIV
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