Optimal Power Configuration of Distributed Generation Operator Considering Cooperation of Stakeholders

doi:10.12204/j.issn.1000-7229.2021.06.013

Abstract

Abstract:

With the continuous expansion of the power market, distributed generation (DG) operators enter the market as new stakeholders. Large amounts of DG operators configuring the power in active distribution network will become the future trend. It is an important issue for DG operators to operate well in the power market and ensure their economic benefits when configuring DG. In view of this problem, this paper analyzes the cooperation relationship between the DG operators and the distribution company, considers active management fee in the comprehensive profit of the DG operator, takes the active management strategies into account implemented by the distribution company during the operation, and builds a bi-level optimal configuration model of DG. This paper takes the DG operator as the upper body and optimizes the DG configuration with the goal of maximizing the comprehensive profit, and takes the distribution company as the lower body and optimizes the operation with the minimum DG removal amount as the goal. This paper establishes a joint probability scenario to account for the uncertainty of DG and load. An improved harmony search algorithm and an interior point algorithm based on the filtering set are used to solve the model. The analysis results of the example show that the bi-level optimal configuration model of DG conforms to the current state of the power market. The consideration of active management strategies and active management fee achieves mutual benefit and win-win for DG operators and distribution companies, and the model provides a reference for the sustainable development of DG operators.

Key words: distributed generation (DG), active distribution network, distributed generation operator, distribution company, bi-level planning

CLC Number:

TM732

SUN Jianmei, HU Jiadong, YU Fang. Optimal Power Configuration of Distributed Generation Operator Considering Cooperation of Stakeholders[J]. ELECTRIC POWER CONSTRUCTION, 2021, 42(6): 127-134.

Figures/Tables 10

Fig.1 Flowchart of hybrid algorithm

Fig.2 IEEE 33-node distribution network

Fig.3 Annual distributed generation and load curves

Fig.4 Distribution of joint probability scene

Fig.5 Diagram of relationship between DBI and clusters

Fig.6 Distribution of post-reduction joint probability scene

Table 1 Impact of active management on absorptive capacity

Table 2 Power configuration schemes of DG operators

Table 3 Comprehensive profitability of DG operators万元

Table 4 Analysis of active management fee

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