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Court-level voltage control method and system

A Taiwan-level, low-voltage technology, applied in the field of electric power, can solve the problems of backward distribution network construction, low voltage at the end of distribution network lines, and incompatibility between power supply capacity and economic development, so as to improve voltage and reactive power. , Solve the effect of terminal low voltage

Active Publication Date: 2017-03-15
STATE GRID ZHEJIANG NINGBO FENGHUA POWER SUPPLY CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In recent years, the State Grid Corporation has gradually increased investment in distribution networks, but the level of distribution network construction in undeveloped areas is still lagging behind
Especially in rural areas, the contradiction between power supply capacity and economic development is prominent, new bottlenecks appear in power supply, and the problem of low voltage at the end of distribution network lines is serious

Method used

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  • Court-level voltage control method and system
  • Court-level voltage control method and system
  • Court-level voltage control method and system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] In this embodiment, a framework diagram of an overall research idea is provided, please refer to figure 1 ,Such as figure 1 As shown, according to the basic structure and control idea of ​​hierarchical control, the working mechanism of various equipment at the station area level, line level and substation level is divided into UC unit control level, OC organization and coordination level, and CC central command level. Organize and refine policies.

[0046] based on figure 1 The framework diagram of the overall research idea shown in the figure, and the description of the voltage control method at the station level, please refer to figure 2 , which shows a flow chart of the station-level voltage control method provided by the present application, which may include the following steps:

[0047] Step S11: The low-voltage monitoring and early warning platform collects the operating voltage data at the district level in the distribution network to be controlled, and anal...

Embodiment 2

[0095] Corresponding to the above method embodiments, this embodiment provides a station-level voltage control system, please refer to Figure 5 , the district-level voltage control system includes: a low-voltage monitoring and early warning platform 51 , a three-phase simulation software system 52 in a distribution area, and an auxiliary decision-making system 53 for voltage quality management of a distribution network.

[0096] The low-voltage monitoring and early warning platform 51 is used to collect district-level operating voltage data in the distribution network to be controlled, and analyze the collected operating voltage data in the district-level range of the distribution network to be controlled to obtain low-voltage Causes, hazards, impacts on electric energy metering devices, low voltage treatment mechanisms and prevention measures, and the causes, hazards, impacts on electric energy measurement devices, low voltage treatment mechanisms and prevention measures are ...

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Abstract

The present invention provides a court-level voltage control method and system. The method realizes the regulation of the control of the voltage of the tail end of distribution line through the control of the court-level device so as to effectively solve the problem that the voltage of the tail end of the distribution line is low.

Description

technical field [0001] The present application relates to the field of electric power, and in particular to a station-level voltage control method and system. Background technique [0002] With the rapid development of the rural economy and the continuous acceleration of the urbanization process of the new countryside, especially the implementation of a series of policies for benefiting farmers such as "home appliances to the countryside", the demand for electric energy has grown rapidly. In recent years, the State Grid Corporation has gradually increased investment in distribution networks, but the level of distribution network construction in undeveloped areas is still lagging behind. Especially in rural areas, the contradiction between power supply capacity and economic development is prominent, new bottlenecks appear in power supply, and the problem of low voltage at the end of distribution network lines is serious. [0003] Therefore, how to solve the problem of low vo...

Claims

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Application Information

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IPC IPC(8): H02J3/16H02J3/18
CPCH02J3/16H02J3/1864H02J2203/20Y02E40/30
Inventor 孙益辉张明达邬军毛杰周剑伦裘学东王思谨邬黎斌
Owner STATE GRID ZHEJIANG NINGBO FENGHUA POWER SUPPLY CO LTD
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