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
A Low‐Speed, High‐Torque Motor Drive Using a Modular Multilevel Cascade Converter Based on Triple‐Star Bridge Cells (MMCC‐TSBC)
TL;DR: Experimental waveforms obtained from the downscaled system confirm stable operation with the rated load torque across a range from a standstill to the rated speed, including satisfactory start-up performance.
Patent
Model predictive control of a modular multilevel converter
TL;DR: In this article, a method for controlling a modular converter (16) connected to an electrical grid (12) for active power filtering the electrical grid to compensate for a load (14), connected to the electrical Grid (12), comprises: receiving an actual load current (ii) and an actual converter state (x) of the modular converter, determining, from the actual load currents and a history of previous load currents, a sequence of future load currents over a prediction horizon (40), predicting a sequenceof future converter states and manipulated variables (U) for the modular converters over the
Journal ArticleDOI
Decentralized Control Method for Modular Multilevel Converters
TL;DR: A decentralized control method for power module (PM) capacitor voltage and switching frequency balancing in modular multilevel converter is presented and the RT-LAB-based real-time control hardware in the loop test results of a ±350 kV/1000 MW MMC system verify the correctness and effectiveness of the proposed method.
Patent
Converter bridge arm suitable for high-voltage applications and application system thereof
TL;DR: In this paper, the authors proposed a converter bridge arm for high-voltage applications and an application system thereof, which comprises an energy storage capacitor (C) and a plurality of reverse-conducting switches, and is formed by serial connection of an upper telescopic arm (Bu), a lower telescopic arms (Bd) and an inductor (Lb).
Journal ArticleDOI
Interfacing modular multilevel converters for grid integration of renewable energy sources
TL;DR: The proposed control method is able to mitigate the converter circulating current by inserting a second harmonic reference in the modulation process of the MMC, which is the second contribution this paper provides over other control techniques.
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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