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Method for setting centralized and local joint control strategy of intelligent soft open point

A technology of intelligent soft switching and joint control, which is applied in the direction of reactive power adjustment/elimination/compensation, AC networks with the same frequency from different sources, AC network circuits, etc.

Inactive Publication Date: 2018-01-16
TIANJIN UNIV
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  • Abstract
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  • Application Information

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Problems solved by technology

The mathematics of this model is essentially a mixed integer nonlinear programming problem, which brings great challenges to the calculation and solution

Method used

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  • Method for setting centralized and local joint control strategy of intelligent soft open point
  • Method for setting centralized and local joint control strategy of intelligent soft open point
  • Method for setting centralized and local joint control strategy of intelligent soft open point

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Embodiment Construction

[0114] A centralized and local combined control strategy setting method for an intelligent soft switch of the present invention will be described in detail below in conjunction with the embodiments and the accompanying drawings.

[0115] like figure 1 As shown, the centralized and local joint control strategy setting method of a kind of intelligent soft switch of the present invention comprises the following steps:

[0116] 1) According to the selected active power distribution system, input line parameters, load level, network topology connection relationship, system safe operation voltage constraints and branch current limits, access location and capacity of distributed power sources, distributed power sources and loads The prediction curve of the daily operation characteristics, the access position, capacity and parameters of the intelligent soft switch, the initial value of the system reference voltage and reference power;

[0117] 2) Based on the structure and parameters...

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Abstract

The invention relates to a method for setting a centralized and local joint control strategy of an intelligent soft open point, which comprises the steps of according to a selected active power distribution system, inputting the structure and parameters of the active power distribution system; considering time sequence characteristics of the output and load of distributed generation according to the structure and parameters of the active power distribution system, and building a centralized and local joint control strategy setting model of the intelligent soft open point of the active power distribution network; performing linearization or second-order cone conversion on an objective function and nonlinear constraints in the model so as to enable the centralized and local joint control strategy setting model of the intelligent soft open point of the active power distribution network to be converted into a second-order cone model; and calculating the second-order cone model by adoptinga second-order cone programming algorithm to obtain related parameters of the centralized and local joint control strategy of the intelligent soft open point, voltage distribution conditions in the system and active regulation condition and reactive compensation conditions of the intelligent soft open point. According to the invention, the centralized and local joint control strategy setting modelof the intelligent soft open point of the active power distribution network is built by considering the randomness and the volatility of the distributed generation and the load.

Description

technical field [0001] The invention relates to an operation control strategy of an intelligent soft switch. In particular, it relates to a centralized and local combined control strategy setting method for an intelligent soft switch. Background technique [0002] The high attention to energy and the environment makes the development of distribution networks face new pressures and challenges, and these pressures and challenges are also important opportunities to promote the development of traditional distribution networks to active distribution networks. In recent years, the increasing penetration rate of distributed generation (DG), including photovoltaic (PV) and wind turbines, has made the active distribution network face a series of new problems, such as bidirectional power flow, voltage over-limit, Network congestion, etc., in which the voltage limit is particularly prominent. In the traditional power distribution system, its adjustment methods are limited, especially...

Claims

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Application Information

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IPC IPC(8): H02J3/00H02J3/06H02J3/18H02J3/38
CPCY02E40/30
Inventor 赵金利李雨薇王成山李鹏宋关羽冀浩然
Owner TIANJIN UNIV
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