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Research on the Rutting Resistance of Asphalt Improved by Nitrogen-Rich Soybean Biochar. [PDF]
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Between principles and practice: exploring transformative discourses in a Dutch National Park. [PDF]
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Research on balance of neutral-point potential in three level neutral point clamped inverter
IECON 2017 - 43rd Annual Conference of the IEEE Industrial Electronics Society, 2017This paper studies the balance problems of neutral-point potential in three level neutral-point clamped inverter. Based on double modulation wave pulse control strategy, a new offset voltage algorithm is proposed. This control strategy can completely eliminate the low-frequency fluctuations in neutral-point potential.
Xiao-Hong Nian
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An improved neutral-point-potential balance control strategy for three-level PWM rectifier
2010 Asia Pacific Conference on Postgraduate Research in Microelectronics and Electronics (PrimeAsia), 2010Neutral point potential balance control is very important to three-level neutral-point-clamped (NPC) rectifiers. In this paper, the balance control strategy is studied with three-level space vector pulse width modulation (SVPWM) algorithm based on reference voltage decomposition.
Zhu Rong-wu +3 more
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Neutral-Point Potential Balancing of a Five-Level Active Neutral-Point-Clamped Inverter
IEEE Transactions on Industrial Electronics, 2013The five-level active neutral-point (NP)-clamped (ANPC) converter is a newly emerging topology which can overcome the drawbacks of traditional NP-clamped and flying-capacitor multilevel converters. This paper presents a comprehensive theoretical analysis of the NP potential balancing issue and demonstrates that the NP potential can be naturally ...
Kui Wang 0001 +4 more
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Research on Neutral Point Potential Balance of Three-Level Inverter
2018 IEEE 2nd International Conference on Circuits, System and Simulation (ICCSS), 2018With the rapid development of new energy and the energy-saving technology, three-level inverter has gradually become the core of power conversion because of its large output capacity, good dynamic performance, low harmonic content and high inversion efficiency.
Jing Cui-Ru +4 more
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2019 IEEE Transportation Electrification Conference and Expo, Asia-Pacific (ITEC Asia-Pacific), 2019
In this paper, a neutral-point (NP) potential balancing method based on zero-sequence voltage injection is presented for the traditional three-level neutral-point-clamped (NPC) back-to-back converter. In the control algorithm, make the NP current on the rectifier side follow the reference NP current to adjust the NP potential balancing.
Baohui Ma +4 more
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In this paper, a neutral-point (NP) potential balancing method based on zero-sequence voltage injection is presented for the traditional three-level neutral-point-clamped (NPC) back-to-back converter. In the control algorithm, make the NP current on the rectifier side follow the reference NP current to adjust the NP potential balancing.
Baohui Ma +4 more
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2017 19th European Conference on Power Electronics and Applications (EPE'17 ECCE Europe), 2017
This paper introduces seven-level Active Neutral-point-clamped (ANPC-7L) inverter first. Then, the paper decouples the two problems of floating capacitors voltage controlling and neutral-point potential balancing by using the concept of average state, proposes a novel neutral-point potential balancing model based on zero-sequence voltage injection ...
Weihui Sheng, Qiongxuan Ge
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This paper introduces seven-level Active Neutral-point-clamped (ANPC-7L) inverter first. Then, the paper decouples the two problems of floating capacitors voltage controlling and neutral-point potential balancing by using the concept of average state, proposes a novel neutral-point potential balancing model based on zero-sequence voltage injection ...
Weihui Sheng, Qiongxuan Ge
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A FO-ADRC Based Neutral-Point Potential Balancing for Three-Level Inverter
2017 IEEE 23rd International Conference on Parallel and Distributed Systems (ICPADS), 2017The neutral-point balancing control of neutral-point-clamped (NPC) three-level inverter is concerned. To solve this problem, two steps are considered. First, a new state-space model of DC bus voltage is established to extract the fluctuation of neutral-point potential (NPP) as a special disturbance.
Wenliang Liu +4 more
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