Flexible Low-Carbon Optimal Dispatch of Honeycombed Active Distribution Network

Feng Xu, Yi Lu, Qunhai Huo (), Jingyuan Yin, Peng Qiu and Chao Ding
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Feng Xu: State Grid Zhejiang Electric Power Research Institute, Hangzhou 310014, China
Yi Lu: State Grid Zhejiang Electric Power Research Institute, Hangzhou 310014, China
Qunhai Huo: Institute of Electrical Engineering, Chinese Academy of Sciences, Haidian District, Beijing 100190, China
Jingyuan Yin: Institute of Electrical Engineering, Chinese Academy of Sciences, Haidian District, Beijing 100190, China
Peng Qiu: State Grid Zhejiang Electric Power Research Institute, Hangzhou 310014, China
Chao Ding: State Grid Zhejiang Electric Power Research Institute, Hangzhou 310014, China

Energies, 2022, vol. 15, issue 19, 1-20

Abstract: Microgrids have a strong ability to generate local power and consume renewable energy, which can solve the problems of power supply shortages and greenhouse gas emissions created in the process of social development. The honeycombed active distribution network (HADN) can flexibly, independently, and interconnectedly operate microgrids through power exchange stations, so appropriate HADN dispatch can produce increased low-carbon benefits than general microgrids. In this study, we first designed a model for optimizing HADN with the lowest carbon emission as the target, then we introduced the concept of carbon emission flow into the optimization process to determine the carbon emission level of each element. Finally, we illustrated and verified the proposed model by a HADN composed of three microgrids. The optimization results of the case study showed that by scheduling the DGs within the microgrids, the total carbon emissions of the system were reduced from 123,328.1 to 117,688 kg CO 2 ; the system with a HADN structure was able to produce only 110,958 kg CO 2 and effectively reduce carbon emissions by 10%, which proved that HADN can be scheduled with high flexibility and provides increased low-carbon performance through the proposed optimization dispatch method.

Keywords: honeycombed active distribution network (HADN); carbon emission flow (CEF); optimization dispatch (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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