An OLTC-inverter coordinated voltage regulation method for distribution network with high penetration of PV generations

被引：28
|
作者：
Liu, Jiayan [1 ,2 ]
Li, Yong [1 ]
Rehtanz, Christian [2 ]
Cao, Yijia [1 ]
Qiao, Xuebo [1 ]
Lin, Gang [1 ]
Song, Yi [3 ]
Sun, Chongbo [3 ]
机构：
[1] Hunan Univ, Coll Elect & Informat Engn, Changsha 410082, Hunan, Peoples R China
[2] TU Dortmund Univ, Inst Energy Syst Energy Efficiency & Energy Econ, D-44227 Dortmund, Germany
[3] State Power Econ Res Inst, Beijing 102209, Peoples R China
来源：
INTERNATIONAL JOURNAL OF ELECTRICAL POWER & ENERGY SYSTEMS | 2019年 / 113卷 / 991-1001期
基金：
中国国家自然科学基金;
关键词：
Voltage fluctuation; Photovoltaic distributed generation (PVDG); Multiple feeders distribution network; On-load tap changer; Inverter control; OVERVOLTAGE PREVENTION; INTEGRATION; GRIDS; REAL; RISE;
D O I：
10.1016/j.ijepes.2019.06.030
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The voltage fluctuation caused by the photovoltaic distributed generations (PVDGs) threatens distribution system stability. In a multiple feeder distribution network, the voltage fluctuation trends in different feeders will be varied because of the different types and capacities of distribution generators. In this paper, an on-load tap changer (OLTC) & inverter coordinated regulation method is proposed. The fuzzy controller is implemented to coordinate the OLTC and power allocation optimization (PAO) Module. The PAO Module coordinates all inverters on a feeder to maintain terminal voltage of this feeder in rated range while maximizing the active power output of the inverters. By means of the state estimation, the fuzzy logic gathers voltage information from different feeder terminals, to decide whether to maintain voltage stability via adjusting OLTC or PAOs. Thus, the efficiency of PV generations can be improved greatly. A typical distribution network with high penetration of PV distributed generations is built to validate the results.
引用
收藏
页码：991 / 1001
页数：11
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