Proceedings ArticleDOI
An innovative modular multilevel converter topology suitable for a wide power range
A. Lesnicar,Rainer Marquardt +1 more
- Vol. 3, pp 272-277
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TLDR
In this article, a new multilevel converter topology suitable for very high voltage applications, especially network interties in power generation and transmission, is presented, and a suitable structure of the converter-control is proposed.Abstract:
This paper presents a new multilevel converter topology suitable for very high voltage applications, especially network interties in power generation and transmission. The fundamental concept and the applied control scheme is introduced. Simulation results of a 36 MW-network intertie illustrate the efficient operating characteristics. A suitable structure of the converter-control is proposed.read more
Citations
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Journal ArticleDOI
MMC-HVDC Simulation and Testing Based on Real-Time Digital Simulator and Physical Control System
Ou Kaijian,Hong Rao,Cai Zexiang,Guo Haiping,Xuehua Lin,Guan Lin,Trevor Maguire,Bruce Warkentin,Yuan Chen +8 more
TL;DR: In this article, an efficient modeling approach for real-time simulation of modular multilevel converter (MMC)-based HVDC is described, where more than 1500 submodules are able to be simulated in a single FPGA.
Journal ArticleDOI
A Modified Modular Multilevel Converter With Reduced Capacitor Voltage Fluctuation
TL;DR: A modified MMC (M-MMC) topology is presented, which offers inherent alleviated capacitor voltage fluctuations compared with traditional MMC, and its operating principle, modulation, and capacitor voltage balancing strategies are described in detail.
Journal ArticleDOI
Modulation and Closed-Loop-Based DC Capacitor Voltage Control for MMC With Fundamental Switching Frequency
Sixing Du,Jinjun Liu,Teng Liu +2 more
TL;DR: In this article, a modulation and capacitor voltage control method for the modular multilevel converter (MMC) allowing the fixed switching frequency of 50 Hz was proposed, where the switching angles were calculated through a new approach with reference to the nearest voltage level control.
Journal ArticleDOI
Hierarchical Control of Bridge-of-Bridge Multilevel Power Converters
TL;DR: This paper presents the dynamic and steady-state models and computer simulations that demonstrate the approach in dc-1φ/ac and 3φ/.ac power-conversion applications, leading to a hierarchical-control approach that is intuitive to realize and versatile in application.
Journal ArticleDOI
Seamless Fault-Tolerant Operation of a Modular Multilevel Converter With Switch Open-Circuit Fault Diagnosis in a Distributed Control Architecture
Shunfeng Yang,Yi Tang,Peng Wang +2 more
TL;DR: Experimental results show that fault identification and system reconfiguration can be completed within 5 ms, and the MMC can seamlessly and smooth ride through the switch open-circuit faults without severe malfunction and catastrophic damages.
References
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Journal ArticleDOI
Multilevel inverters: a survey of topologies, controls, and applications
TL;DR: The most important topologies like diode-clamped inverter (neutral-point clamped), capacitor-Clamped (flying capacitor), and cascaded multicell with separate DC sources are presented and the circuit topology options are presented.
Proceedings ArticleDOI
Multilevel converters-a new breed of power converters
Jih-Sheng Lai,Fang Zheng Peng +1 more
TL;DR: This paper presents three multilevel voltage source converters: (1) diode-clamp, (2) flying-capacitors, and (3) cascaded-inverters with separate DC sources.
Proceedings ArticleDOI
A fast space vector modulation algorithm for multilevel three-phase converters
TL;DR: This paper introduces a general space vector modulation algorithm for n-level three-phase power converters that is computationally extremely efficient and is independent of the number of levels of the power converter.
Proceedings ArticleDOI
Sine-triangle versus space-vector modulation for three-level PWM voltage-source inverters
TL;DR: In this paper, the inherent relations between sine-triangle and space-vector pulsewidth modulation schemes for three-level voltage-source inverters were studied and it was shown that the two schemes can function equivalently through proper selection of common-mode injections in the case of sine triangle modulation, or dwell times in equivalent redundant switching states in a space vector modulation scheme.
Proceedings ArticleDOI
Space vector modulation based on classification method in three-phase multi-level voltage source inverters
TL;DR: In this paper, the authors proposed a vector classification technique to determine sectors and durations associated with SVM in multi-level inverters, which is applicable to any number of levels.
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