{"title":"BESS对云南电网超低频振荡的抑制策略","authors":"Yixuan Chen, Yuanxiao Zhao, Guangchao Geng, Q. Jiang, Wenlong Liu, Lingfang Li","doi":"10.1109/NAPS46351.2019.9000236","DOIUrl":null,"url":null,"abstract":"Many problems related to power system frequency have occurred in Yunnan Province ─a province in southwestern China with high proportion of hydro-turbine generators. Yunnan Power Grid is a typical direct-current (DC) sending grid and the installed capacity of hydro-generators has accounted for more than 70% of the total capacity after asynchronous interconnection between Yunnan Power Grid and China Southern Power Grid in 2016. But the high hydropower proportion of Yunnan Power Grid makes ultra-low frequency oscillation (ULFO) more prone to occur. Battery Energy Storage System (BESS) has broad application prospects in frequency regulation. Aiming at the ULFO problem caused by AGC daily operation, a coordinated AGC strategy based on BESS is proposed. It is able to eliminate ULFO caused by AGC action by ramping the AGC signal assigned to the units and self-adaptive action of BESS with a small energy storage capacity once the system is judged to be at risk of oscillation. The effectiveness of the proposed method is verified using real-world data from Yunnan Power Grid in China based on MATLAB\\SINMULINK.","PeriodicalId":175719,"journal":{"name":"2019 North American Power Symposium (NAPS)","volume":"251 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2019-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"3","resultStr":"{\"title\":\"Suppression Strategy of Ultra-Low Frequency Oscillation in Yunnan Power Grid with BESS\",\"authors\":\"Yixuan Chen, Yuanxiao Zhao, Guangchao Geng, Q. Jiang, Wenlong Liu, Lingfang Li\",\"doi\":\"10.1109/NAPS46351.2019.9000236\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Many problems related to power system frequency have occurred in Yunnan Province ─a province in southwestern China with high proportion of hydro-turbine generators. Yunnan Power Grid is a typical direct-current (DC) sending grid and the installed capacity of hydro-generators has accounted for more than 70% of the total capacity after asynchronous interconnection between Yunnan Power Grid and China Southern Power Grid in 2016. But the high hydropower proportion of Yunnan Power Grid makes ultra-low frequency oscillation (ULFO) more prone to occur. Battery Energy Storage System (BESS) has broad application prospects in frequency regulation. Aiming at the ULFO problem caused by AGC daily operation, a coordinated AGC strategy based on BESS is proposed. It is able to eliminate ULFO caused by AGC action by ramping the AGC signal assigned to the units and self-adaptive action of BESS with a small energy storage capacity once the system is judged to be at risk of oscillation. The effectiveness of the proposed method is verified using real-world data from Yunnan Power Grid in China based on MATLAB\\\\SINMULINK.\",\"PeriodicalId\":175719,\"journal\":{\"name\":\"2019 North American Power Symposium (NAPS)\",\"volume\":\"251 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2019-10-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"3\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2019 North American Power Symposium (NAPS)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/NAPS46351.2019.9000236\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2019 North American Power Symposium (NAPS)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/NAPS46351.2019.9000236","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Suppression Strategy of Ultra-Low Frequency Oscillation in Yunnan Power Grid with BESS
Many problems related to power system frequency have occurred in Yunnan Province ─a province in southwestern China with high proportion of hydro-turbine generators. Yunnan Power Grid is a typical direct-current (DC) sending grid and the installed capacity of hydro-generators has accounted for more than 70% of the total capacity after asynchronous interconnection between Yunnan Power Grid and China Southern Power Grid in 2016. But the high hydropower proportion of Yunnan Power Grid makes ultra-low frequency oscillation (ULFO) more prone to occur. Battery Energy Storage System (BESS) has broad application prospects in frequency regulation. Aiming at the ULFO problem caused by AGC daily operation, a coordinated AGC strategy based on BESS is proposed. It is able to eliminate ULFO caused by AGC action by ramping the AGC signal assigned to the units and self-adaptive action of BESS with a small energy storage capacity once the system is judged to be at risk of oscillation. The effectiveness of the proposed method is verified using real-world data from Yunnan Power Grid in China based on MATLAB\SINMULINK.