EVALUATION OF MAXIMUM ACCESS CAPACITY OF DISTRIBUTED PHOTOVOLTAIC SYSTEM UNDER SECURITY AND ENERGY EFFICIENCY CONSTRAINTS

Chen Chun; Tang Xi; Cao Yijia; Li Yong; Li Meng

doi:10.19912/j.0254-0096.tynxb.2024-1392

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Acta Energiae Solaris Sinica ›› 2025, Vol. 46 ›› Issue (12) : 254-262. DOI: 10.19912/j.0254-0096.tynxb.2024-1392

EVALUATION OF MAXIMUM ACCESS CAPACITY OF DISTRIBUTED PHOTOVOLTAIC SYSTEM UNDER SECURITY AND ENERGY EFFICIENCY CONSTRAINTS

Chen Chun¹, Tang Xi¹, Cao Yijia¹, Li Yong², Li Meng³

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Abstract

The unconstrained access of distributed PV to the distribution network inevitably affect the security of the power grid. Therefore, a Monte Carlo importance sampling method based on voltage sensitivity is proposed, which considers the timing characteristics of PV and load to evaluate the maximum access capacity of distributed PV under security and energy efficiency constraints. A distribution network security domain model considering the energy efficiency of the system is established, and taking the feeder as the minimum evaluation zone. Then the bisecting K-means is used to perform cluster analysis on the PV nodes to be connected based on the voltage sensitivity index and node voltage. According to the clustering results, a Monte Carlo importance sampling method is used to construct a new probabilistic model to randomly generate PV deployment scenarios, which realizes the evaluation of the maximum access capacity of PV in all zones in the security region. The simulation results show that after adopting the security region considering system energy efficiency, the maximum access capacity of PV is only reduced by 0.39% compared to the conventional security region, while the system energy efficiency increases by 4.82%, which improves the system operational efficiency. The evaluation accuracy of the proposed method is improved by 12.41% compared with the analytical optimization algorithm, and the number of deployment scenarios required is reduced by nearly 60% compared to the traditional Monte Carlo simulation method under the same accuracy, which improves the accuracy and efficiency of the evaluation of the maximum PV access capacity of the distribution network.

Key words

distributed photovoltaic / security constraint / capacity assessment / voltage sensitivity / Monte Carlo importance sampling

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Chen Chun, Tang Xi, Cao Yijia, Li Yong, Li Meng. EVALUATION OF MAXIMUM ACCESS CAPACITY OF DISTRIBUTED PHOTOVOLTAIC SYSTEM UNDER SECURITY AND ENERGY EFFICIENCY CONSTRAINTS[J]. Acta Energiae Solaris Sinica. 2025, 46(12): 254-262 https://doi.org/10.19912/j.0254-0096.tynxb.2024-1392

References

[1] 董逸超, 王守相, 闫秉科. 配电网分布式电源接纳能力评估方法与提升技术研究综述[J]. 电网技术, 2019, 43(7): 2258-2266.
DONG Y C, WANG S X, YAN B K.Review on evaluation methods and improvement techniques of DG hosting capacity in distribution network[J]. Power system technology, 2019, 43(7): 2258-2266.
[2] 王成山, 李鹏. 分布式发电、微网与智能配电网的发展与挑战[J]. 电力系统自动化, 2010, 34(2): 10-14.
WANG C S, LI P.Development and challenges of distributed generation, the micro-grid and smart distribution system[J]. Automation of electric power systems, 2010, 34(2): 10-14.
[3] 王志群, 朱守真, 周双喜, 等. 分布式发电对配电网电压分布的影响[J]. 电力系统自动化, 2004, 28(16): 56-60.
WANG Z Q, ZHU S Z, ZHOU S X, et al.Impacts of distributed generation on distribution system voltage profile[J]. Automation of electric power systems, 2004, 28(16): 56-60.
[4] 张立梅, 唐巍, 赵云军, 等. 分布式发电接入配电网后对系统电压及损耗的影响分析[J]. 电力系统保护与控制, 2011, 39(5): 91-96, 101.
ZHANG L M, TANG W, ZHAO Y J, et al.Analysis of DG influences on system voltage and losses in distribution network[J]. Power system protection and control, 2011, 39(5): 91-96, 101.
[5] 裴玮, 盛鹍, 孔力, 等. 分布式电源对配网供电电压质量的影响与改善[J]. 中国电机工程学报, 2008, 28(13): 152-157.
PEI W, SHENG K, KONG L, et al.Impact and improvement of distributed generation on distribution network voltage quality[J]. Proceedings of the CSEE, 2008, 28(13): 152-157.
[6] WANG S X, DONG Y C, WU L, et al.Interval overvoltage risk based PV hosting capacity evaluation considering PV and load uncertainties[J]. IEEE transactions on smart grid, 2020, 11(3): 2709-2721.
[7] 王一波, 李晶, 许洪华. 考虑电网安全稳定约束的光伏电站最大安装容量计算与分析[J]. 太阳能学报, 2008, 29(8): 971-975.
WANG Y B, LI J, XU H H.Analysis of the maximum installed capacity of PV station constrained by power sytem security and stability[J]. Acta energiae solaris sinica, 2008, 29(8): 971-975.
[8] 张锐, 饶欢, 徐睿烽, 等. 多运行目标下的分布式光伏接入配电网极限容量多模型评估方法[J]. 电力科学与技术学报, 2023, 38(4): 143-150.
ZHANG R, RAO H, XU R F, et al.An evaluation method for the maximum distributed photovoltaic power capacity absorbed in the distribution networks considering multiple operation targets[J]. Journal of electric power science and technology, 2019, 38(4): 143-150.
[9] 张家安, 高晓东, 王铁成, 等. 计及弃光约束的配电网光伏接纳能力评估[J]. 电力工程技术, 2023, 42(6): 14-21.
ZHANG JA, GAO X D, WANG T C, et al.Evaluate the hosting capacity of PV in distribution network: considering PV curtailment constraints[J]. Electric power engineering technology, 2023, 42(6): 14-21.
[10] 李振坤, 管琰玲, 张代红, 等. 基于年时序曲线的配电网节点光伏接纳能力评估及最佳容量研究[J]. 太阳能学报, 2021, 42(4): 200-208.
LI Z K, GUAN Y L, ZHANG D H, et al.Photovoltaic hosting ability evaluation and optimum capacity research of distribution networks node based on annual time-series curve[J]. Acta energiae solaris sinica, 2021, 42(4): 200-208.
[11] 张嘉澍, 吕泉, 郭雪丽, 等. 考虑合理弃光的配电网光伏最大接入容量研究[J]. 太阳能学报, 2023, 44(2): 418-426.
ZHANG J S, LYU Q, GUO X L, et al.Research on maximum PV access capacity in distribution network considering proper power curtailment[J]. Acta enerrgiae solaris sinica, 2023, 44(2): 418-426.
[12] ABUD T P, CATALDO E, MACIEL R S, et al.A modified Bass model to calculate PVDG hosting capacity in LV networks[J]. Electric power systems research, 2022, 209: 107966.
[13] JAIN A K, HOROWITZ K, DING F, et al.Dynamic hosting capacity analysis for distributed photovoltaic resources: framework and case study[J]. Applied energy, 2020, 280: 115633.
[14] 陈春, 汪沨, 刘蓓, 等. 一种智能配电网安全运行控制方法[J]. 电工技术学报, 2015, 30(12): 357-366.
CHEN C, WANG F, LIU B, et al.A method of safe operation control of smart distribution system[J]. Transactions of China Electrotechnical Society, 2015, 30(12): 357-366.
[15] LI N, ZHU Z H, LI M, et al.Research on reliability evaluation of power system including improved Monte Carlo and parallel calculation[C]//2017 2nd International Conference on Power and Renewable Energy (ICPRE). Chengdu, China, 2017: 534-538.
[16] 刘浩, 王丹, 肖峻, 等. 考虑碳流约束的电力系统能碳安全域模型与计算方法[J]. 电力系统自动化, 2024, 48(3): 10-21.
LIU H, WANG D, XIAO J, et al.Model and calculation method of energy-carbon security region for power system considering carbon flow constraints[J]. Automation of electric power systems, 2024, 48(3): 10-21.
[17] 裴蕾, 卫志农, 陈胜, 等. 计及光伏出力波动的交直流混合配电网安全域模型[J]. 电网技术, 2021, 45(10): 4084-4093.
PEI L, WEI Z N, CHEN S, et al.Security region of variable photovoltaic generation in AC-DC hybrid distribution power networks[J]. Power system technology, 2021, 45(10): 4084-4093.
[18] 李滨, 潘国超, 陈碧云, 等. 满足电能质量限值的分布式光伏极限峰值容量计算[J]. 电力系统自动化, 2016, 40(14): 43-50.
LI B, PAN G C, CHEN B Y, et al.Limit peak capacity calculation of distributed photovoltaic with power quality constraints[J]. Automation of electric power systems, 2016, 40(14): 43-50.
[19] 刘科研, 盛万兴, 马晓晨, 等. 基于多种群遗传算法的分布式光伏接入配电网规划研究[J]. 太阳能学报, 2021, 42(6): 146-155.
LIU K Y, SHENG W X, MA X C, et al.Planning research of distributed photovoltaic source access distribution network based on multi-population genetic algorithm[J]. Acta energiae solaris sinica, 2021, 42(6): 146-155.
[20] ESAU Z, RYOICHI H, HIROYUKI K.A flexible stochastic PV hosting capacity framework considering network over-voltage tolerance[J]. Energy reports, 2023, 9: 529-538.
[21] ZHANG D, FU Z C, ZHANG L C.An improved TS algorithm for loss-minimum reconfiguration in large-scale distribution systems[J]. Electric power systems research, 2007, 77(5/6): 685-694.