Results 21 to 30 of about 62 (55)
Integration technology and practice for long‐distance offshore wind power in China
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
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
Modulation Strategy of a 3 × 5 Modular Multilevel Matrix Converter
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 +1 more source
Hybrid control approach for fast switching MMCs
This study presents a new hybrid control approach for different control and switching frequencies for converters of the modular multi‐level converter (MMC) family. Using this concept, it is possible to achieve a higher switching frequency and output voltage update frequency than the MMC control frequency.
Mathias Schnarrenberger +2 more
wiley +1 more source
In this paper, the control strategy of modular multilevel matrix converter (M3C) is studied in the scenario of fractional frequency offshore wind power.
HAN Huachun +4 more
doaj +1 more source
As a new alternative to power transmission, low‐frequency alternating current (LFAC) transmission system has a bright future for offshore wind power transmission. As a core equipment for LFAC system, modularised multi‐level matrix converter (M3C) is a direct electric energy conversion device, which can achieve bi‐directional power flow and provide any ...
Chang Yuan, Ruibing Zhou, Ming Tong
wiley +1 more source
Variable speed pumped storage units have obvious advantages in efficiency and adaptability under various operation conditions compared with traditional fixed-speed pumped storage units.
Bo ZHAO +5 more
doaj +1 more source
Analysis of Ripple/Harmonic Coupling Characteristics of M3C Under Grid‐Side Asymmetric Faults
• Provide a two‐dimensional analytical framework for investigating a dual‐frequency coupling system. • Model multi‐components under grid‐side asymmetric faults for delineating internal coupling modes. • Develop a generalised mathematical model covering all possibilities of grid‐side failures. • Reveal generation mechanisms and characteristics of higher‐
Boyang Zhao +6 more
wiley +1 more source
Air pollution, a major global health hazard, contributes to asthma, chronic obstructive pulmonary disease, pulmonary fibrosis, and lung cancer via four core epigenetic pathways (DNA/RNA methylation, noncoding RNAs, and histone modifications), shaping gene expression and driving disease pathogenesis.
Ruitong Zeng +6 more
wiley +1 more source
In this paper, we propose a method to effectively identify faults and excitation inrush currents in the area by using the characteristics of instantaneous excitation inductance, so as to improve the reliability and accuracy of low‐frequency transformer protection in offshore wind power low‐frequency transmission system.
Shuping Gao +6 more
wiley +1 more source

