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Multi-time-scale province-region-county integrated reactive power optimization method of electric system

A multi-time scale, power system technology, applied in the direction of reactive power compensation, system integration technology, information technology support system, etc., can solve problems that do not consider the limitations of time scale reactive power optimization, etc.

Active Publication Date: 2014-04-16
广西电网有限责任公司河池供电局 +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The disadvantage of this invention is that it does not consider the time scale and the limitations of reactive power optimization between regions

Method used

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  • Multi-time-scale province-region-county integrated reactive power optimization method of electric system
  • Multi-time-scale province-region-county integrated reactive power optimization method of electric system
  • Multi-time-scale province-region-county integrated reactive power optimization method of electric system

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Embodiment Construction

[0064] Referring to the accompanying drawings, specific embodiments of the present invention will be described in detail below.

[0065] Such as figure 1 The illustrated embodiment is a provincial, prefectural and county-integrated reactive power optimization method that combines multiple time scales of the provincial, prefectural and county power systems, including the following steps:

[0066] Step 100 selects the range of the power grid to be optimized, corresponding to the grid frame data of the power grid and the operation data of the power grid, and the computer is provided with 2011 year, 2011 summer, May 2011, and May 15, 2011. The user controls the computer to select The time scale is the grid data and operation data in 2011 for power flow calculation in provinces, prefectures and counties:

[0067] Step 101, read the grid data and operation data, the grid data includes the parameters of the grid grid, the operation data includes the parameters of the system operatio...

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Abstract

The invention discloses a multi-time-scale province-region-county integrated reactive power optimization method of an electric system. The method considers the yearly rule, the season rule, the monthly rule, the day rule, super-short-time built-in inertia rules and random components. The method can achieve multi-time-scale province-region-county integrated reactive power optimization, provides multi-time-scale continuous reactive voltage optimal configuration strategies, achieves reactive voltage optimal operation between various voltage classes in long periods, intermediate periods and short periods, improves the voltage qualified rate of the whole network, guarantees continuous, safe and stable operation of the power grid, provides theoretical foundations for setting up the operation mode of the power grid and reasonably and optimally utilizing electricity generation resources, and can effectively guarantee safe, stable and continuous operation of the power grid.

Description

technical field [0001] The invention relates to the field of reactive power analysis and optimization of electric power systems, in particular to an efficient multi-time-scale reactive power optimization method for provincial, prefectural and county integration. Background technique [0002] In the past ten years, the security and stability of the power system has increasingly become the focus of the industry. In modern power grids, due to the heavier load of weak systems and long lines, the transmission capacity of the power grid is getting closer and closer to its limit, making the stability of the system more prominent. Optimizing the operation mode of the power system can greatly improve the safety and stability of the power system, and the reactive power optimization of the power system is an important part of it, which involves large-scale, nonlinear, dynamic and discrete combinatorial optimization problems. The existing process is that the operator sets the initial v...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/18G06Q10/04G06Q50/06
CPCY04S10/545Y04S10/54Y02E40/76Y02E40/30Y02E40/70Y04S10/50
Inventor 黄启哲李滨韦景韦化邓春明祝云徐学勇李佩杰刘路阳育德覃海志张弛周柯杜孟远刘鹏飞杨有慧梁振成吴雪颖
Owner 广西电网有限责任公司河池供电局
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