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Economy scheduling model based on price demand response

A price demand response and economic dispatching technology, applied in the direction of load forecasting in AC network, AC network circuit, wind power generation, etc., can solve problems such as power flow and node voltage exceeding limit, achieve flexible node load and increase social welfare , the effect of reducing the impact of wind power uncertainty

Inactive Publication Date: 2017-07-18
NANYANG INST OF TECH
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Problems solved by technology

However, the change of wind power output and load puts the grid power flow and node voltage at risk of exceeding limits, so network security constraints become a key factor restricting wind power consumption

Method used

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  • Economy scheduling model based on price demand response
  • Economy scheduling model based on price demand response
  • Economy scheduling model based on price demand response

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Embodiment Construction

[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the embodiments of the present invention and the accompanying drawings. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0027] The intraday economic dispatch model based on price demand response includes the following steps:

[0028] Step 1. Introduce the price demand factor, build a price demand response model based on demand elasticity, guide users to change electricity consumption behaviors in response to changes in wind power output through real-time electricity prices, and improve the wind power consumption capacity of the grid;

[0029] Step 2. Integrate ...

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Abstract

The invention aims to provide an economy scheduling model based on price demand response. The model is firstly based on the price elasticity coefficient to analyze the relationship between the price demand response scheduling cost and the interactive response quantity. Then, the interactive response quantity's static algorithm of the price demand response is described and used as one of the desired allocation rules. Based on that, in consideration of the network security constraint and the price demand response and the interactive response satisfaction constraints, the power grid side price demand response scheduling cost is used as the smallest goal, and a real-time optimization scheduling model is created to ensure the safe operation of the power grid in real-time scheduling.

Description

technical field [0001] The invention relates to an economic dispatch model based on price demand response. Background technique [0002] Wind power is the power generation method with the most economic development prospects among renewable energy sources. However, due to the unfriendly characteristics of wind power itself such as volatility, intermittency, anti-peak regulation, and low dispatchability, the rapid growth of its installed capacity has a negative impact on the traditional power grid. have a significant impact on the operational control mode. In order to cope with this challenge, the power supply, power grid and load should coordinate and interact, which is an important development direction of smart grid. But in general, the power grid operation control mainly adopts the power generation tracking load mode, and meets the forecasted load demand by scheduling the start-up and shutdown of generator sets and output. But when large-scale wind power is connected to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/46
CPCH02J3/003H02J3/46H02J2203/20Y02E10/76
Inventor 王阳张军曾静柯海倩史彰民胡书珍苗润菲李凌凌王曦乐张焕巧
Owner NANYANG INST OF TECH
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