Techno-Economic Assessment of Voltage Control Strategies in Low Voltage Grids

被引：75
|
作者：
Stetz, T. [1 ]
Diwold, K. [1 ]
Kraiczy, M. [1 ]
Geibel, D. [1 ]
Schmidt, S. [2 ]
Braun, M. [3 ,4 ]
机构：
[1] Fraunhofer Inst Wind Energy & Energy Syst Technol, D-34119 Kassel, Germany
[2] Bayernwerk AG, Munich, Germany
[3] Univ Kassel, D-34125 Kassel, Germany
[4] Fraunhofer IWES, D-34119 Kassel, Germany
来源：
IEEE TRANSACTIONS ON SMART GRID | 2014年 / 5卷 / 04期
关键词：
Cost-benefit analysis; low voltage grid; on-load tap changer; photovoltaic; voltage control;
D O I：
10.1109/TSG.2014.2320813
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：
First, we investigate the technical and economic potential of autonomously operating voltage control strategies in low voltage grids with high photovoltaic penetration. The investigated control strategies are based on the reactive power control capabilities of modern photovoltaic inverters and the application of distribution transformers with on-load tap changers. We present a methodology for assessing the technical potential of autonomous voltage control strategies to increase the hosting capacity of low voltage grids and show the results for 40 real German LV grids. Second, we compare the investment and operational costs for conventional grid extension measures with those resulting from the application of autonomous voltage control strategies over a period of 10 years, using real measured load and generation data. Finally, we assess the additional grid loss reduction potential by applying a coordinated control approach, using the reactive power capabilities of the inverters as well as the on-load tap changer. The results clearly highlight the economic benefit of autonomous voltage
引用
收藏
页码：2125 / 2132
页数：8
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