Two-Stage Dispatching Method Based on Evaluating Index for DC Distribution Networks with Converters' Multiple Control

Aikang Chen, Jierong Miao, Yining Wang, Da Xie, Chenghong Gu, Yan Li

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Recently, Dispatching methods for DC distribution networks have been the focus of researches. However, there is not an evaluating index, which considers the intense coupling property of power and voltage in DC distribution networks, to judge the effectiveness of these methods. Aiming at DC distribution networks with complicated converters' control modes, this paper proposes an evaluating index utilizing Thevenin theorem. Then, an auto regulation of droop control is presented based on the analysis of droop characteristic. Besides, according to the aforementioned evaluating index, this paper designs an automatic generation control strategy for DC distribution networks with converters' multi-control, whose function is to optimize bus power, bus voltage and network losses with the modified genetic algorithm (GA). The auto regulation of droop control and automatic generation control strategy compose the two-stage dispatching method. Finally, a testing network is employed to demonstrate the practicality and applicability of the evaluating index and the two-stage dispatching method. Results show that the evaluating index can accurately reflect the operating conditions of DC distribution networks with different forms of converter control and the operating conditions can be effectively optimized with two-stage dispatching method.

Original languageEnglish
Title of host publication2018 International Conference on Power System Technology, POWERCON 2018 - Proceedings
PublisherIEEE
Pages2336-2342
Number of pages7
ISBN (Electronic)9781538664612
DOIs
Publication statusPublished - 3 Jan 2019
Event2018 International Conference on Power System Technology, POWERCON 2018 - Guangzhou, China
Duration: 6 Nov 20189 Nov 2018

Conference

Conference2018 International Conference on Power System Technology, POWERCON 2018
CountryChina
CityGuangzhou
Period6/11/189/11/18

Keywords

  • DC distribution network
  • evaluating index
  • two-stage dispatching method

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering
  • Control and Optimization

Cite this

Chen, A., Miao, J., Wang, Y., Xie, D., Gu, C., & Li, Y. (2019). Two-Stage Dispatching Method Based on Evaluating Index for DC Distribution Networks with Converters' Multiple Control. In 2018 International Conference on Power System Technology, POWERCON 2018 - Proceedings (pp. 2336-2342). [8602290] IEEE. https://doi.org/10.1109/POWERCON.2018.8602290