Analysis of Power Transformer Inrush Current in the Presence of Quasi-Direct Currents

被引：0

作者：

Behdani, Behzad ^{[1
]}

Shariatinasab, Reza ^{[2
]}

Afrasiabi, Mousa ^{[3
]}

Aghaei, Jamshid ^{[3
]}

机构：

[1] Shiraz Univ, Sch Elect & Comp Engn, Dept Power & Control Engn, Shiraz, Iran

[2] Univ Birjand, Elect & Comp Engn Dept, Birjand, Iran

[3] Lappeenranta Univ Technol, Sch Energy Syst, Dept Elect Engn, Lappeenranta, Finland

来源：

2022 IEEE INTERNATIONAL CONFERENCE ON ENVIRONMENT AND ELECTRICAL ENGINEERING AND 2022 IEEE INDUSTRIAL AND COMMERCIAL POWER SYSTEMS EUROPE (EEEIC / I&CPS EUROPE) | 2022年

关键词：

half-cycle saturation; inrush currents; quasi direct currents (QDCs); uni-directional flux; CURRENT REDUCTION; SIMULATION; SYSTEM;

D O I：

10.1109/EEEIC/ICPSEUROPE54979.2022.9854588

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The flow of quasi-direct currents (QDCs) in AC electrical networks, is a disturbing factor that mainly prevails upon mutual impacts between different system components or due to geophysical phenomena. These QDCs can alter the normal behavior of the system components, e.g., power transformer inrush currents. In this paper, an analysis of the inrush current phenomenon in power transformers under the influence of QDCs has been performed. The effect of QDCs on power transformer inrush currents is first mathematically analyzed, and then investigated by computer simulations in EMTP-RV software. Results show that power transformer inrush currents can severely increase in the presence of QDCs.

引用

页数：6

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