Results 21 to 30 of about 2,650,426 (86)

The Improved Unified Power Quality Conditioner with the Modular Multilevel Converter for Power Quality Improvement

open access: yesInternational Transactions on Electrical Energy Systems, Volume 2022, Issue 1, 2022., 2022
Nowadays, researchers focus on the modular multilevel converter (MMC), due to its modularity structure, effective sharing of voltages among the submodule switches, and betterment in the quality of the voltage and current waveforms. First, the conventional unified power quality conditioner is developed with two level voltage source converters connected ...
T. M. Thamizh Thentral   +8 more
wiley   +1 more source

Research on a risk evaluation and suppression method for high-frequency resonance of flexible low-frequency transmission

open access: yesZhejiang dianli, 2022
Due to the long delay of their control chains, voltage source converters (VSCs) in the high frequency band tend to show negative damping, which may give rise to high-frequency resonance when VSCs are connected to power systems.
HUA Wen   +6 more
doaj   +1 more source

Grid-forming control strategy for PMSG wind turbines connected to the low-frequency AC transmission system

open access: yesEnergy Reports, 2023
The inevitable consequence of the rapid transition to high-proportion renewable energy and high-proportion power electronics with the development of power systems is the loss of the traditional high-volume generation of synchronous generators, their ...
Feng Guo   +5 more
doaj   +1 more source

A Modular Multilevel Matrix Converter for High Speed Drive Applications [PDF]

open access: yes, 2016
The Modular Multilevel Matrix Converter (M3C) performs a direct three-phase AC to AC power conversion and is highly suitable for medium voltage high power drive applications. One area of application are high speed drives such as compressors.
Kammerer, Felix   +4 more
core   +1 more source

Computationally Efficient MPC for Modular Multilevel Matrix Converters Operating With Fixed Switching Frequency

open access: yesIEEE Open Journal of the Industrial Electronics Society, 2023
Modular multilevel matrix converters stand out for their performance in ac–ac high-power conversion. However, they require multiple control loops to govern the currents from both ac ports, the internal circulating currents, and the capacitor ...
Rodrigo H. Cuzmar   +5 more
doaj   +1 more source

Integration technology and practice for long‐distance offshore wind power in China

open access: yesEnergy Conversion and Economics, Volume 1, Issue 1, Page 4-19, September 2020., 2020
Abstract Offshore wind power is an important kind of clean energy and of great development potential in the future. It has advantages of high wind speed and stable wind power, and gradually exhibits large‐scale, clustering, and long‐distance characteristics.
Ersheng Pan   +4 more
wiley   +1 more source

Benefits of Operating Doubly Fed Induction Generators by Modular Multilevel Matrix Converters [PDF]

open access: yes, 2013
The benefits of supplying the rotor circuit of a Doubly Fed Induction Generator (DFIG) by the Modular Multilevel Matrix Converter (M3C) are presented. The M3C allows higher rotor voltages, lower rotor currents and a higher redundancy compared to existing
Kammerer, Felix   +3 more
core   +1 more source

Optimization of the passive components of the Modular Multilevel Matrix Converter for Drive Applications [PDF]

open access: yes, 2012
The Modular Multilevel Matrix Converter (M3C) is a new topology which extends the Modular Multilevel Converter (M2C) family for converters to low speed drive applications. The energy pulsation and therefore the amount of the installed capacitance is very
Kammerer, Felix   +2 more
core   +1 more source

Modular multilevel matrix converter as solid state transformer for medium and high voltage substations [PDF]

open access: yes, 2022
The use of power converters as solid state transformer is an attractive solution to modernize the power network, but this solution has not been fully addressed for MV and HV substations. This paper presents a customized and simple control for the Modular
Felix Rojas   +14 more
core   +1 more source

A Novel Control Scheme for Multi-Terminal Low-Frequency AC Electrical Energy Transmission Systems Using Modular Multilevel Matrix Converters and Virtual Synchronous Generator Concept

open access: yesEnergies, 2020
This paper proposes a new control scheme for the low frequency AC transmission (LFAC) system aiming at extending the point-to-point configuration to form a multi-terminal electrical energy network.
Mustafa Al-Tameemi   +4 more
doaj   +1 more source

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