Modeling of German Low Voltage Cables with Ground Return Path

被引：11

作者：

Geis-Schroer, Johanna ^{[1
]}

Hubschneider, Sebastian ^{[1
]}

Held, Lukas ^{[1
]}

Gielnik, Frederik ^{[1
]}

Armbruster, Michael ^{[2
]}

Suriyah, Michael ^{[1
]}

Leibfried, Thomas ^{[1
]}

机构：

[1] Karlsruhe Inst Technol, Inst Elect Energy Syst & High Voltage Technol IEH, D-76137 Karlsruhe, Germany

[2] Stadtwerke Buehl GmbH, D-77815 Buehl, Germany

来源：

ENERGIES | 2021年 / 14卷 / 05期

关键词：

distribution systems; multiphase and unbalanced analysis; low voltage grids; low voltage cable; ground return path; asymmetric modeling;

D O I：

10.3390/en14051265

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

In this contribution, measurement data of phase, neutral, and ground currents from real low voltage (LV) feeders in Germany is presented and analyzed. The data obtained is used to review and evaluate common modeling approaches for LV systems. An alternative modeling approach for detailed cable and ground modeling, which allows for the consideration of typical German LV earthing conditions and asymmetrical cable design, is proposed. Further, analytical calculation methods for model parameters are described and compared to laboratory measurement results of real LV cables. The models are then evaluated in terms of parameter sensitivity and parameter relevance, focusing on the influence of conventionally performed simplifications, such as neglecting house junction cables, shunt admittances, or temperature dependencies. By comparing measurement data from a real LV feeder to simulation results, the proposed modeling approach is validated.

引用

页数：34

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