Results 11 to 20 of about 2,650,426 (86)
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
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 +2 more sources
Modulation Strategy of a 3 × 5 Modular Multilevel Matrix Converter
Energies, 2018 In this paper, a modulation strategy of a 3 × 5 modular multilevel matrix converter (M3C) is proposed. The circuit of 3 × 5 M3C is firstly introduced. Then, operation rules of 3 × 5 M3C are illustrated, and a connection pattern of branches is determined ...
Rutian Wang +4 more
doaj +2 more sources
CSEE Journal of Power and Energy SystemsThe modular multilevel matrix converter (M3C) is a potential frequency converter for low-frequency AC transmission. However, capacitor voltage control of high-voltage and large-capacity M3C is more difficult, especially for voltage balancing between ...
Zexin Zhao +7 more
doaj +2 more sources
Vector control strategies to enable equal frequency operation of the Modular Multilevel Matrix Converter [PDF]
, 2019 The Modular Multilevel Matrix Converter (M3C) is an ac-to-ac converter suitable for high-power applications. The control of this converter is complex, mainly when the frequencies of the ac systems connected to the ports of the converter are close or ...
Espinoza Bolaños, Mauricio +4 more
core +3 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
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
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
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