中国电力 ›› 2026, Vol. 59 ›› Issue (1): 33-43.DOI: 10.11930/j.issn.1004-9649.202505077
• 考虑分布式虚拟储能聚合的综合能源系统规划、运行和交易的关键技术 • 上一篇 下一篇
王辉东1(
), 倪琳娜2(
), 芦鹏飞1(
), 程颖2(
), 吴英俊3(
)
收稿日期:2025-05-27
修回日期:2025-12-28
发布日期:2026-01-13
出版日期:2026-01-28
作者简介:基金资助:
WANG Huidong1(
), NI Linna2(
), LU Pengfei1(
), CHENG Ying2(
), WU Yingjun3(
)
Received:2025-05-27
Revised:2025-12-28
Online:2026-01-13
Published:2026-01-28
Supported by:摘要:
虚拟电厂(virtual power plant,VPP)作为聚合“源-储-荷”多元资源的核心枢纽,其可靠性评估对电力系统稳定运行与可再生能源消纳至关重要。当前评估方法存在两点局限:1)采用静态储能模型,难以反映设备动态特性;2)评估指标无法量化供电过程中的功率输出稳定性。为此,提出一种考虑储能动态特性的虚拟电厂多指标融合可靠性评估方法。首先,基于储能设备在充放电过程中的容量衰减与效率退化特性,构建动态储能模型;其次,整合风电、光伏、可调负荷及电网交易等多元能源,构建体现“源-储-荷”协同运行的虚拟电厂模型;最后,围绕供电稳定性与可再生能源消纳效率,提出平均输出功率稳定性(mean VPP export,MVPPE)和可再生能源未利用量(expected renewable energy not used,ERENU)指标,融合传统电力不足概率、期望缺供电量,建立考虑储能动态特性的虚拟电厂可靠性评估体系。仿真结果表明,该方法较传统静态储能模型可使MVPPE提升14.5%、ERENU降低88.7%,能更真实反映虚拟电厂的可靠性水平,为其规划、运行与优化提供科学依据。
王辉东, 倪琳娜, 芦鹏飞, 程颖, 吴英俊. 考虑储能动态特性的虚拟电厂多指标融合可靠性评估方法[J]. 中国电力, 2026, 59(1): 33-43.
WANG Huidong, NI Linna, LU Pengfei, CHENG Ying, WU Yingjun. Multi index fusion reliability evaluation method for virtual power plants considering the dynamic characteristics of energy storage[J]. Electric Power, 2026, 59(1): 33-43.
| 指标 | δMVPPE | δERENU | δLOLP | δEENS |
| 方案1 | 486.250 | 1 677.860 | 0.125 | 670.250 |
| 方案2 | 570.280 | 113.530 | 0 | 0 |
| 方案3 | 556.670 | 190.110 | 0 | 0 |
表 1 3种模型可靠性评估的结果
Table 1 Results of reliability evaluation for three models 单位:kW·h
| 指标 | δMVPPE | δERENU | δLOLP | δEENS |
| 方案1 | 486.250 | 1 677.860 | 0.125 | 670.250 |
| 方案2 | 570.280 | 113.530 | 0 | 0 |
| 方案3 | 556.670 | 190.110 | 0 | 0 |
| 循环次数 | 成本/元 | δMVPPE/(kW·h) | δERENU/(kW·h) |
| 9 500.91 | 569.95 | 123.48 | |
| 9 575.29 | 557.54 | 128.96 | |
| 2000 | 9 825.94 | 557.08 | 166.60 |
| 10 141.32 | 556.11 | 189.01 | |
| 10 214.94 | 552.77 | 191.33 | |
| 10 244.81 | 552.37 | 231.04 | |
| 10 268.40 | 549.29 | 243.10 | |
| 10 497.04 | 548.02 | 288.76 | |
| 10 731.71 | 546.48 | 288.89 | |
| 10 755.15 | 545.82 | 312.01 |
表 2 不同循环次数下的虚拟电厂评估数据
Table 2 Evaluation data of virtual power plants under different cycle times
| 循环次数 | 成本/元 | δMVPPE/(kW·h) | δERENU/(kW·h) |
| 9 500.91 | 569.95 | 123.48 | |
| 9 575.29 | 557.54 | 128.96 | |
| 2000 | 9 825.94 | 557.08 | 166.60 |
| 10 141.32 | 556.11 | 189.01 | |
| 10 214.94 | 552.77 | 191.33 | |
| 10 244.81 | 552.37 | 231.04 | |
| 10 268.40 | 549.29 | 243.10 | |
| 10 497.04 | 548.02 | 288.76 | |
| 10 731.71 | 546.48 | 288.89 | |
| 10 755.15 | 545.82 | 312.01 |
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