Author(s)

Guanghao Wu ¹, Meiyuan Chen ², Chunlei Wang ², Yiyi Liu ², Yang Teng ¹, Qionggang Luo ¹

Affiliation(s)

¹ Chengdu Hezong Nuclear Power Engineering Company Limited, Chengdu, 610000, China
² Science and Technology on Reactor System Design Technology Laboratory, Nuclear Power Institute of China, Chengdu, 610041, China

Corresponding Author

Guanghao Wu

ABSTRACT

Inverters are widely used in various I&C equipment. According to equipment qualification requirements, I&C equipment needs to pass Electromagnetic compatibility test. The commonly used two-level inverters are difficult to pass the power line conducted emission test items in electromagnetic compatibility tests. Compared to two-level inverters, three-level inverters have the advantage of low harmonic content. In order to quantitatively evaluate the power line conduction and emission performance of three-level inverter, according to the test requirements, this paper takes a typical three-level inverter as an example, combining the Electromagnetic compatibility test methods and test conditions specified in the standard, starting with LISN, cables, DC input, inverter main circuit, filter and load, etc., gives the circuit structure, parameters and solution methods of each link in detail, and establishes the simulation model of each link. By setting typical parameters and operating conditions, the time-domain waveform of the DC input bus current, as well as the frequency domain waveform of CE101 and CE102 segments, were obtained through simulation. Through the analysis of the simulation results, it is clear that the power line conducted emission level of the three-phase three-level inverter meets the Electromagnetic compatibility test requirements, and has sufficient margin.

KEYWORDS

Electromagnetic Compatibility Test, Power Line Conducted Emission, Three-Phase Three-Level Inverter, DC Input Bus Current

CITE THIS PAPER

Guanghao Wu, Meiyuan Chen, Chunlei Wang, Yiyi Liu, Yang Teng, Qionggang Luo, Simulation Study on Conducted Emission from Power Line of Three-phase Three-level Inverter. Journal of Electrotechnology, Electrical Engineering and Management (2023) Vol. 6: 1-8. DOI: http://dx.doi.org/10.23977/jeeem.2023.060501.

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