Yun-Jae Bae and Kyo-Beum Lee, "A DC-Link Ripple Current Reduction Method Based on Variable Switching Sequences for Three-Level NPC Inverters," in Proc. CENCON Conf., Oct. 2023. > Paper

Paper

International Conference Yun-Jae Bae and Kyo-Beum Lee, "A DC-Link Ripple Current Reduction Method Based on Variable Switching Sequences for Three-Level NPC Inverters," in Proc. CENCON Conf., Oct. 2023.

2023

본문

This paper presents a DC-link ripple current reduction method based on variable switching sequences for three-level neutral-point-clamped (NPC) inverters.

Capacitors are used to maintain the stable DC-link voltage and current in the DC-link of a three-level NPC inverter. In addition, an allowable ripple current is a

key factor affecting capacitor design. The ripple current in the DC-link increases the capacitor temperature and reduced lifespan, which can lead to decreased

reliability of power conversion systems. The proposed method divides the voltage modulation region into two areas. An optimized switching scheme generates

a new switching sequence by selecting the voltage vector that minimizes the DC-link current based on the voltage modulation region. The effectiveness of the

proposed method is verified with simulation results.

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Paper 목록
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열람중	2023	International Conference Yun-Jae Bae and Kyo-Beum Lee, "A DC-Link Ripple Current Reduction Method Based on Variable Switching Sequences for Three-Level NPC Inverters," in Proc. CENCON Conf., Oct. 2023.
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201	2023	International Conference Hyeon-Jun Park, Hyung-Woo Lee, and Kyo-Beum Lee, "Dual Magnetic Flux Frame Direct Self Control for Open-End Winding Interior Permanent Magnet Synchronous Motor with a Constant Switching Frequency," in Proc. ICPE (ECCE ASIA) Conf., May 2023.
200	2023	International Conference Hyung-Woo Lee and Kyo-Beum Lee, "Switching Loss Reduction of Dual Inverters using Isolated Voltage Sources Fed an Open-End Winding Interior Permanent Magnet Synchronous Motor," in Proc. APEC Conf., Mar. 2023, pp. 2431-2435.
199	2022	International Conference Hyung-Woo Lee and Kyo-Beum Lee, "Open-Circuit Fault Diagnosis and Fault-Tolerant Operation of Dual Inverter for Open-End Winding Interior Permanent Magnet Synchronous Motor," in Proc. SCEMS Conf., 2022.

Paper 목록

번호

년도

논문명

213

2024

International Conference

Yun-Jae Bae, Hye-Won Choi, and Kyo-Beum Lee, "Temperature Reduction Method Using Model Predictive Control with Space Vector Modulation in SiC Inverter-Fed Motor Drive Systems," in Proc. SPEEDAM Conf., Jun. 2024.

212

2023

International Conference

Sadeq Ali Qasem Mohammed, Hasan Ali Gamal Al-kaf, and Kyo-Beum Lee, "Refined Sensorless-Based ILC Approach for Permanent Magnet Synchronous Motors," in Proc. CENCON Conf., Oct. 2023.