30   Artículos

 
en línea
VENU MADHAV GOPALA, T. Anil Kumar, D. Krishna, Ch. Srinivasa Rao, Shashank Kumar, Sudipto Poddar     Pág. 102 - 119
In this paper, Rapid Control Prototyping (RCP) of five-level Modular Multilevel Converter (MMC) based Induction Motor (IM) drive performance is observed with different switching frequencies. The Semikron based MMC Stacks with two half-bridge each are tes... ver más
Revista: Emitter: International Journal of Engineering Technology    Formato: Electrónico

 
en línea
Marwan Rosyadi, Atsushi Umemura, Rion Takahashi and Junji Tamura    
In this paper, a detailed model and an average model of an MMC (Modular Multilevel Converter)-controlled Permanent Magnet Synchronous Generator (PMSG)-based direct drive wind turbine are proposed. The models are used to analyze the steady-state and trans... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Feng Xu, Xiaoming Huang, Yi Lu and Zheren Zhang    
This paper focuses on the soft normally open point (SNOP) which has no transformers and connects to the 10 kV distribution network through the arc suppression coil grounding mode. A mathematical model containing positive-, negative-, and zero-sequence co... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Hui Cai, Junli Zhang, Jingqiu Yu and Zheren Zhang    
DC short-circuit faults are one of the challenges for modular multilevel converter (MMC) based DC grid. It is vital for proper design of protection system to estimate the fault currents and voltages. The existing calculation methods based on RLC equivale... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Feng Zhang, Zhifeng Zhang, Sa Xiao, Kai Xie, Jiawei Ni, Haolun Gu, Yong Wu, Yang Ning and Qingchao Xia    
The subsea observation network has become an indispensable means of ocean exploration worldwide. However, the scale of the subsea observation network is limited by the power supply voltage and power level. Hence, to promote the development of a subsea ob... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Majid Mehrasa, Radu Godina, Edris Pouresmaeil, Eduardo M. G. Rodrigues and João P. S. Catalão    
In order to reach better results for pulse width modulation (PWM)-based methods, the reference waveforms known as control laws have to be achieved with good accuracy. In this paper, three control laws are created by considering the harmonic components of... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Mohamed Tanta, J. G. Pinto, Vitor Monteiro, Antonio P. Martins, Adriano S. Carvalho and Joao L. Afonso    
This paper presents a deadbeat predictive current control methodology to reduce the circulating currents in a modular multilevel converter (MMC) when it operates as a rail power conditioner (RPC) in a conventional railway system-based V/V connection. For... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Xiaodong Li and Zheng Xu    
The large number of switching elements in modular multilevel converters (MMCs) contribute a tremendous computational burden for electromagnetic transient (EMT) simulation programs. Detailed equivalent models (DEMs) and average value model (AVMs) are curr... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Kamran Hafeez, Shahid A. Khan, Alex Van den Bossche and Qadeer Ul Hasan    
Modular multilevel converters (MMCs) are quickly emerging as a suitable technology for a voltage-source converter-based high-voltage direct-current (VSC-HVDC) transmission systems due to its numerous advantages as reported in literature. However, for a l... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
With the increasing demand of transmitting bulk-power over long-distance, the ultra high-voltage direct-current (UHVDC) transmission systems become an attractive option. Nowadays, not only the line commutated converter (LCC) based systems, but also the m... ver más
Revista: Energies    Formato: Electrónico

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