Bipolar Output Voltage Control Strategy for Three-Level Neutral-Point Clamped Converter for Low-Voltage DC Distribution System

被引：0
|
作者：
Kim, Mina [1 ]
Park, Hwa-Pyeong [2 ]
Ko, Byoung-Sun [1 ]
Cha, Dae-Seak [1 ]
Choi, Jung-Sik [1 ]
Oh, Seung-Yeol [3 ]
机构：
[1] KETI, Naju, South Korea
[2] Kumoh Natl Inst Technol, Gumi, South Korea
[3] Energy Korea Solut EKOS, Naju, South Korea
来源：
2023 25TH EUROPEAN CONFERENCE ON POWER ELECTRONICS AND APPLICATIONS, EPE'23 ECCE EUROPE | 2023年
关键词：
3-Level NPC; AC-DC converter; Capacitor voltage balancing; LVDC; Power conditioning; SPACE VECTOR MODULATION; REDUCTION; INVERTER; RIPPLE;
D O I：
暂无
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：
This paper proposes a bipolar output voltage control strategy for a 3-level NPC converter for LVDC systems. The proposed method compensates for the DC and AC imbalance between the bipolar outputs by injecting DC and AC offsets into the PWM reference. The effectiveness of the proposed method has been verified with simulation results compared to the conventional bipolar output voltage control methods and experimental results using a 400-kW 3-level NPC converter prototype.
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页数：6
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