Two-stage Robust Optimization-based Economic Dispatch of Virtual Power Plants Considering Cogeneration

doi:10.16182/j.issn1004731x.joss.23-0508

Abstract

Jinpeng Liu, Jinchun Peng, Jiaming Deng, Hushihan Liu. Two-stage Robust Optimization-based Economic Dispatch of Virtual Power Plants Considering Cogeneration[J]. Journal of System Simulation, 2023, 35(8): 1799-1813.

Figures/Tables 17

Fig. 1

Fig. 2

Table 1

Virtual power plant unit parameters

机组	参数	数值
燃气轮机	$Q G T m a x$ /kW	600
	$η G T$	0.9
	$η e$	0.4
	$η l$	0.05
	$r G T d o w n$ (kW)/ $r G T u p$ (kW)	120/120
锅炉	$Q G B m a x$ /kW	300
	$η G B$	0.85
	$r G B d o w n$ (kW)/ $r G B u p$ (kW)	60/60
储热槽	$Q h s m a x$ /kW	250
	$E h s m a x$ (kW)/ $E h s m i n$ (kW)	1 000/200
	$E h s (0)$ /(kW·h)	500
	$η h s$	0.9
	$K h s$ /(元/kW·h)	0.3
蓄电池	$P b s m a x$ /kW	400
	$E h s m a x$ (kW·h)/ $E h s m i n$ (kW·h)	2 000/400
	$E b s (0)$ /(kW·h)	500
	$η b s$	0.95
	$K b s$ /(元/ kW·h)	0.38
配电网	$P m m a x$ /kW	1 500
电柔性负荷	D _pf /(kW·h)	2 500
电柔性负荷	K _pf/(元/kW·h)	0.32
热柔性负荷	D _qf /(kW·h)	2 000
热柔性负荷	K _qf /(元/kW·h)	0.4

Table 1

Fig. 3

Fig. 4

Fig. 5

Fig. 6

Fig. 7

Fig. 8

Table 2

Fig. 9

Fig. 10

Table 3

Virtual power plant operating costs under different robust parameters

优化模型	日前运行成本
确定性优化	1 712.87
$Γ w t$ =0， $Γ p v$ =0， $Γ p$ =0， $Γ q$ =0	1 712.87
$Γ w t$ =3， $Γ p v$ =3， $Γ p$ =3， $Γ q$ =3	2 942.86
$Γ w t$ =6， $Γ p v$ =6， $Γ p$ =6， $Γ q$ =6	3 701.15
$Γ w t$ =9， $Γ p v$ =9， $Γ p$ =9， $Γ q$ =9	4 298.93

Table 3

Table 4

Electricity interaction with distribution networkunder different robust parameters

鲁棒参数	总购电量	总售电量
$Γ w t$ =0， $Γ p v$ =0， $Γ p$ =0， $Γ q$ =0	1 680.81	8 433.52
$Γ w t$ =3， $Γ p v$ =3， $Γ p$ =3， $Γ q$ =3	1 825.31	7 257.27
$Γ w t$ =6， $Γ p v$ =6， $Γ p$ =6， $Γ q$ =6	2 381.81	6 858.27
$Γ w t$ =9， $Γ p v$ =9， $Γ p$ =9， $Γ q$ =9	2 586.82	6 362.79

Table 4

Fig. 11

Fig. 12

Fig. 13

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[1]	Yaqian Fan, Songyuan Yu, Fang Fang. Two-Stage Distributed Robust Optimal Dispatching for a Combined Heat and Power Virtual Power Plant [J]. Journal of System Simulation, 2023, 35(5): 1046-1058.
[2]	Qiang Chen, Yi Wang, Kangshun Li. Research on Modeling and Scheduling of Virtual Power Plant with Dual Demand Response [J]. Journal of System Simulation, 2023, 35(4): 822-832.
[3]	Wei Le, Li Xijin. Dynamic Environmental and Economic Dispatching of Wind Farm Based on Multi-objective [J]. Journal of System Simulation, 2020, 32(9): 1825-1830.