Results 11 to 20 of about 2,205,500 (84)
IET Generation, Transmission & Distribution, 2023 The Fractional Frequency Transmission System (FFTS) operates with low frequency to decrease the electrical length of AC transmission lines, consequently enhancing transmission capacity.
Zhongqi Cai +6 more
doaj +2 more sources
IET Renewable Power GenerationIntegrating energy storage units (ESUs) into part of sub‐modules (SMs) enables the decoupling active power control for the modular multilevel matrix converter (M3C).
Yingjie Tang, Zheren Zhang, Zheng Xu
doaj +2 more sources
A hybrid multilevel converter for medium and high voltage applications [PDF]
, 2010 This paper investigates the suitability of the hybrid multilevel converter for medium and high voltage application. The converter operation, modulation, and capacitor voltage balancing method are described in detail.
Ahmed, Khaled +4 more
core +3 more sources
Distributed control of a fault tolerant modular multilevel inverter for direct-drive wind turbine grid interfacing [PDF]
, 2013 Modular generator and converter topologies are being pursued for large offshore wind turbines to achieve fault tolerance and high reliability. A centralized controller presents a single critical point of failure which has prevented a truly modular and ...
Parker, Max, Ran, Li, Finney, Stephen
core +4 more sources
Regional Science Policy &Practice, Volume 15, Issue 7, Page 1424-1457, September 2023., 2023 Abstract This paper develops a multidimensional methodological framework for examining the geographical handicaps and associated socioeconomic drawbacks of nomenclature of territorial units for statistics (NUTS) III regions in Greece to conceive diverse dimensions of peripherality and target the de‐peripheralization of peripheral regions.
Dimitrios Tsiotas, Vassilis Tselios
wiley +1 more source
Comparison between two VSC-HVDC transmission systems technologies : modular and neutral point clamped multilevel converter [PDF]
, 2009 The paper presents a detail comparison between two voltage source converter high voltage dc transmission systems, the first is based on neutral point-clamped (also known as HVDC-Light) and the second is based on innovative modular multilevel converter ...
Anaya-Lara, O. +5 more
core +3 more sources
IET Power Electronics, Volume 15, Issue 16, Page 1814-1830, 16 December 2022., 2022 Abstract Based on the modular topology and the traditional voltage‐sourced converter (VSC) model, this paper presents an isolated modular multi‐level AC/AC converter with high‐frequency (HF) link and pulse flip circuit for fractional frequency transmission system (FFTS) application.
Yongqing Meng +5 more
wiley +1 more source
Modeling and Control of Modular Multilevel Matrix Converter for Low-Frequency AC Transmission
Energies, 2023 The modular multilevel matrix converter (M3C) is the core component in low-frequency AC (LFAC) transmission, which is a competitive scheme for offshore wind power integration.
Zheren Zhang, Yanqiu Jin, Zheng Xu
doaj +1 more source
IET Generation, Transmission &Distribution, Volume 16, Issue 15, Page 2977-2988, August 2022., 2022 Abstract Fractional frequency transmission is a promising solution to offshore wind power integration. This paper proposes a new grid integration scheme of fractional frequency offshore wind power system (FFOWPS) based on Y‐connected modular multilevel converter (Y‐MMC).
Yongqing Meng +5 more
wiley +1 more source
International 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