Coordinated Operation Strategy of Multiple Parks Considering Distributed Energy Resources and Price-based Incentive Mechanism

doi:10.12204/j.issn.1000-7229.2023.02.014

Abstract

Abstract:

Consisting of distributed energy resources (DERs), parks with self-generated capacity are participating in the process of market-oriented distribution network coordinated operation. How to achieve the equilibrium between distribution network operator (DNO) and multiple parks under the assurance of safe operation and enthusiasm incentive is an important issue. To solve this problem, this paper introduces the distribution locational marginal price (DLMP) to achieve the optimal guidance of multiple parks on the basis of the price-based incentive mechanism. First, DNO is responsible for the coordinated operation of multiple parks, the DLMP is calculated and used to incentive the demand response process of multiple parks. Then, the multi-agent model of DERs in multiple parks is established, and an interactive benefits priority (IBP) principle is proposed to find the optimal coordinated operation strategy of DERs in each park according to the incentive price from DNO. Finally, the effectiveness of proposed method is illustrated by simulation results. Comparative experiments are carried out between the traditional strategy and the proposed strategy. Experiments show that the proposed strategy can find the optimal combination of DERs more quickly, and DLMP can better guide the coordinated operation of multiple parks in the distribution networks.

Key words: multiple parks, distribution locational marginal price, distributed energy resources, interactive benefits priority, demand response, coordinated operation

CLC Number:

TM715

YU Bin, WENG Liguo, LIAN Deqiang, WANG Sibin, HUANG Yuan, YAO Haotian. Coordinated Operation Strategy of Multiple Parks Considering Distributed Energy Resources and Price-based Incentive Mechanism[J]. ELECTRIC POWER CONSTRUCTION, 2023, 44(2): 145-154.

Figures/Tables 14

Fig.1 Coordinated operation framework of multiple parks considering incentive mechanism

Fig.2 Wiring diagram of simulation system

Fig.3 Results of node marginal price distribution

Fig.4 Comparisons of system imbalance power before and after the demand response

Fig.5 Coordinated operation strategy of Park 6 in different time of the sample day

Fig.6 Comparisons of DER power in Park 6 before and after the demand response

Table 1 Comparison of net revenue and solving time between three strategies at 14:00

Fig.B1 Typical scenario of WTG output in scheduling horizon

Fig.B2 Typical scenario of PV output in scheduling horizon

Fig.B3 Typical scenario of FL in scheduling horizon

Fig.B4 Typical scenario of ESS output in scheduling horizon

Table B1 Electricity price-related parameters

Table B2 Energy storage-related parameters

Table B3 Distribution network-related parameters

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