Optimal Scheduling Strategy of Multi-Energy Complementary Virtual Power Plant Considering Renewable Energy Consumption

doi:10.12096/j.2096-4528.pgt.23037

Abstract

Abstract:

Focusing on the goal of carbon peak and carbon neutrality, the low-carbonization of the whole link of energy power system (i.e., source-network-load-storage) faces new requirements and challenges. The high proportion of renewable energy generation has become an inevitable trend. Considering the impact of the uncertainty of renewable energy generation on the safe and stable operation of the power system, the use of virtual power plant (VPP) with multi-energy complementary characteristics is a favourable way to solve this problem. Therefore, an optimal scheduling strategy of multi-energy complementary VPP was proposed. Firstly, taking into account the coupling relationship between multiple energy sources, a VPP operation mechanism that takes into account the entire source-grid-load-storage chain was constructed. Secondly, according to the proposed operation mechanism, a multi-energy complementary optimal dispatching model with low carbon economy as the goal was proposed to promote the consumption of renewable energy by coordinating the dispatching of various types of devices. Finally, the effectiveness of the proposed strategy was verified by simulating and analyzing a reference case of a multi-energy complementary VPP including renewable energy generation in a region.

Key words: virtual power plant (VPP), renewable energy, carbon peak, carbon neutrality, source-grid-load-storage integration, optimal scheduling strategy

CLC Number:

TK 01

Ning ZHANG, Hao ZHU, Lingxiao YANG, Cungang HU. Optimal Scheduling Strategy of Multi-Energy Complementary Virtual Power Plant Considering Renewable Energy Consumption[J]. Power Generation Technology, 2023, 44(5): 625-633.

Figures/Tables 10

References 32

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机制	时段	价格/[元/(kW⋅h)]
配电网分时价格机制	00：00—08：00	0.428
	08：00—13：00	0.953
	13：00—18：00	0.687
	18：00—21：00	1.168
	21：00—24：00	0.572
天然气分时价格机制	00：00—06：00	0.227
	06：00—09：00	0.465
	09：00—12：00	0.584
	12：00—15：00	0.734
	15：00—19：00	0.465
	19：00—21：00	0.702
	21：00—24：00	0.227

机制	时段	价格/[元/(kW⋅h)]
配电网分时价格机制	00：00—08：00	0.428
	08：00—13：00	0.953
	13：00—18：00	0.687
	18：00—21：00	1.168
	21：00—24：00	0.572
天然气分时价格机制	00：00—06：00	0.227
	06：00—09：00	0.465
	09：00—12：00	0.584
	12：00—15：00	0.734
	15：00—19：00	0.465
	19：00—21：00	0.702
	21：00—24：00	0.227

类型	参数	数值
储电设备	能量损耗率δ_e	0.03
	充电效率η_ec	0.97
	放电效率η_ed	0.97
储气设备	能量损耗率δ_g	0.04
	充能效率η_gc	0.95
	放能效率η_gd	0.95
储热设备	能量损耗率δ_h	0.05
	充能效率η_hc	0.93
	放能效率η_hd	0.93

类型	参数	数值
储电设备	能量损耗率δ_e	0.03
	充电效率η_ec	0.97
	放电效率η_ed	0.97
储气设备	能量损耗率δ_g	0.04
	充能效率η_gc	0.95
	放能效率η_gd	0.95
储热设备	能量损耗率δ_h	0.05
	充能效率η_hc	0.93
	放能效率η_hd	0.93

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