Adaptability Analysis of Virtual Power Plant Implementation：A Case Example from Arongqi Milk Source Base

doi:10.11985/2024.01.034

Abstract

Abstract:

In order to analyze the adaptability of virtual power plants(VPP) to the Arongqi milk source base power grid renovation, firstly, based on the evolutionary trend of VPP and the current situation of its development in China, a two-stage VPP operation optimization models are proposed, which is in response to the current situation of contract-based to market-based transition, and the electric boilers and battery storage control are respectively selected for optimal dispatch simulation based on practicalities. Secondly, based on the simulation results, the economic benefits of the electric boiler as a price-based load response in the first stage, and the significance of energy storage for peak load shaving in the second stage are analysed. Finally, by comparing the differences in system stability and economics between VPP and traditional substation expansion, it is concluded that VPP can be an effective way to respond to the transition phase of power system reform and clean energy transition. The results of this analysis provide constructive advice on the planning and development of VPP.

Key words: Electricity market, virtual power plant, energy storage, economic dispatching, demand response

CLC Number:

TM62

ZHANG Ying, ZHAO Jianyong, HE Lin, LIN Jiaheng. Adaptability Analysis of Virtual Power Plant Implementation：A Case Example from Arongqi Milk Source Base[J]. Journal of Electrical Engineering, 2024, 19(1): 316-325.

Figures/Tables 13

References 20

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发展阶段	本质涵义	目的	工具	场景
1.0 合约型	通过需求侧响应激励资金池推动市场需求	削减峰荷	需求响应	供热供冷
2.0 市场型	通过市场交易引导用电方加入电力市场	电力平衡	现货市场	调峰调频
3.0 自主型	通过信息化强化市场主体参与力度	能源改革	智能算法	有源负荷

编号	接线方式	投运负荷/ MW	未投运负荷/MW
1	通过10 kV线路直接接入亚东110 kV变电站	2.2	1.4
2	通过10 kV线路接入得力其尔35 kV变电站，上端接亚东110 kV变电站	1	1
3	通过10 kV线路直接接入亚东110 kV变电站	0	3.5
4	通过10 kV线路接入三岔河35 kV变电站，上端接亚东110 kV变电站	0	4

时段划分	尖	峰	平	谷
时间	18:00—20:00	7:30—11:30 17:00—21:00	5:00—7:30 11:30—17:00 21:00—22:00	23:00—5:00
电价浮动	120%峰	+50%	1	-50%

序号	时间段	图中点位	输出功率/kW	电价时段
1	0:00—4:30	0~9	750	谷时段
2	4:30—5:00	10	2 800	谷时段
3	5:00—6:00	11~12	0	平时段
4	6:00—6:30	13	550	平时段
5	6:30—7:00	14	2 700	平时段
6	7:00—8:00	15~16	0	7:00—7:30平时段 7:30—8:00高峰时段
7	8:00—8:30	17	450	高峰时段
8	8:30—16:00	18~32	550	8:30—11:30高峰时段 11:30—16:00平时段
9	16:00—16:30	33	2 650	平时段
10	16:30—17:30	34~35	0	16:30—17:00平时段 17:00—17:30高峰时段
11	17:30—0:00	36~48	700~800	17:30—21:00高峰时段 21:00—22:00平时段 22:00—0:00谷时段

储能容量/ (MW/MW·h)	日收益/元	建设成本/万元	回收周期/年
1/1	203.75	200	26.96
1/2	203.21	400	53.93
2/2	301.70	400	36.32
2/3	321.35	600	51.15
2/4	980.28	800	22.36
3/3	228.06	600	72.10
3/4	982.50	800	22.30
3/5	1 346.50	1 000	20.35
3/6	1 634.21	1 200	20.12
4/4	1 049.07	800	20.89
4/5	1 412.19	1 000	19.40
4/6	1 270.33	1 200	25.88
4/7	1 605.35	1 400	23.89
4/8	1 306.24	1 600	33.56
5/5	1 556.36	1 000	17.60
5/6	1 377.12	1 200	23.87
5/7	1 562.83	1 400	24.54
5/8	1 948.32	1 600	22.50
5/9	1 913.58	1 800	25.77
5/10	1 290.59	2 000	42.46