Evaluation of Distributed Photovoltaic Maximum Hosting Capacity for Distribution Network Considering Dispatchable Potential of 5G Base Station

doi:10.11930/j.issn.1004-9649.202309018

Abstract

Abstract:

A method for evaluate the maximum hosting capacity of distributed photovoltaic for distribution network considering the schedulable potential of 5G base station is proposed. Firstly, construct a power load demand model for 5G base station and analyze the schedulable potential of 5G base station's own energy storage; Then, establish the distributed photovoltaic maximum hosting capacity evaluation model of distribution network considering the dispatchable potential of 5G base station; Subsequently, auxiliary variables are introduced and the model is subjected to second-order cone relaxation to construct a linearized model for distributed PV maximum hosting capacity assessment. Finally, the improved IEEE 33 bus distribution network is used to evaluate the distributed PV maximum hosting capacity of distribution network under different scenarios. The results show that considering the dispatchable potential of 5G base station can effectively improve the maximum hosting capacity of distributed new energy in distribution network.

Key words: 5G base stations, distribution network, distributed photovoltaic, maximum hosting capacity

Yao DUAN, Chong GAO, Ran CHENG, Yaxiong WU, Ye HUANG, Zhiwen LIU. Evaluation of Distributed Photovoltaic Maximum Hosting Capacity for Distribution Network Considering Dispatchable Potential of 5G Base Station[J]. Electric Power, 2023, 56(12): 80-85, 99.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.1004-9649.202309018

https://www.electricpower.com.cn/EN/Y2023/V56/I12/80

Figures/Tables 6

Fig.1 Improved IEEE 33-bus distribution network

Fig.2 Diurnal variation trend of distributed PV output and load demand coefficients

Fig.3 Real time power load of 5G base station

Fig.4 Real time schedulable potential of energy storage in 5G base stations

Table 1 Maximum hosting capacity of distribution photovoltaic

场景	分布式光伏最大准入容量/MW	分布式光伏最大能量渗透率/%
1	3.752	36.3
2	4.362	42.9

Fig.5 Real-time out of 5G base station self-storage in each region of scenario 2

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