Coordinated expansion planning method of power distribution network considering demand response
A demand response and website technology, which is applied in computing, data processing applications, design optimization/simulation, etc., can solve the problems of not making full use of EV demand response capabilities and not considering the sensitive characteristics of EV users, so as to reduce investment and operation costs and delay Equipment investment, effect of improving distribution
Active Publication Date: 2022-03-11
STATE GRID TIANJIN ELECTRIC POWER +3
View PDF5 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
However, the above two aspects did not consider the sensitivity of EV users to charging prices, did not make full use of the demand response capabilities of EVs, and managed the charging load through price guidance to achieve the purpose of reducing the investment and operation costs of the distribution network
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0103] The present invention will be further described below in conjunction with specific embodiment:
[0104] Such as figure 1 and figure 2As shown, the present invention provides a planning method for collaborative capacity expansion of power distribution network considering demand response. This method adopts a two-layer optimization model, which mainly includes the upper-level power distribution network collaborative expansion planning model and the lower-level Based on the compensation price optimization model of EV charging and discharging behavior, the specific steps of this method are as follows:
[0105] Step 1. According to the upper and lower limit constraints of line capacity, substation capacity and compensation price, generate line j expansion type x j , Substation expansion capacity ΔS e and compensation price scheme pl(t), ph(t), set It=1;
[0106] L-type compensation price constraints:
[0107] PL min ≤pl(t)≤pL max (1)
[0108] In the formula, pL m...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention discloses a method for collaborative capacity expansion planning of power distribution networks considering demand response. The method adopts a two-layer optimization model: the lower layer mainly establishes an EV charging and discharging behavior optimization model based on compensation prices, and minimizes charging costs for users. The goal is to optimize the charging and discharging power of EVs; the upper layer considers the response of EV users to the compensation price, and establishes a collaborative expansion planning model for the power distribution network. The goal is to minimize the total annual investment and operation cost, and determine the capacity of substations and lines as well as the charging compensation price. In the method of the present invention, by introducing an optimized compensation price and indirectly guiding the charging process, the charging load distribution and the operation of the distribution network are improved, the investment in the distribution network is delayed, and the total annual investment and operation cost of the distribution network can be reduced.
Description
technical field [0001] The invention belongs to the technical field of power distribution network capacity expansion planning, and relates to a power distribution network collaborative capacity expansion planning method considering demand response. Background technique [0002] In recent years, under the dual pressure of fossil energy shortage and environmental pollution, electric vehicle (EV), as a clean, low-noise and near-zero-emission vehicle, has attracted widespread attention and vigorous development all over the world. With the increase of EV ownership, a high proportion of EV charging load access will also have a certain negative impact on the distribution network. Existing studies have shown that the access of EV charging loads will significantly reduce the service life of distribution network lines and transformers. In addition, some distribution network operation problems are also caused, such as voltage offset, three-phase unbalance and harmonic pollution. [0...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): G06F30/20G06Q10/04G06Q10/06G06Q30/02G06Q50/06G06F111/04G06F119/06
CPCG06F30/20G06Q10/04G06Q10/06315G06Q30/0201G06Q30/0206G06Q50/06G06F2111/04G06F2119/06Y04S10/50Y04S50/14
Inventor 王哲迟福建万宝李桂鑫孙阔徐晖张可佳何玉龙梁海深王庆彪徐福周建伟穆云飞董晓红邓友均唐舒懿
Owner STATE GRID TIANJIN ELECTRIC POWER