|
|
|
Yanbo Che, Wenxun Li, Xialin Li, Jinhuan Zhou, Shengnan Li and Xinze Xi
The rapid development of renewable energy calls for feasible and reliable technologies to transmit and integrate power into grids. Voltage Source Converter (VSC)- Direct Current (DC) technology is considered as a promising solution for its independent co...
ver más
|
|
|
|
|
|
|
Ana Rodríguez, Francisco Huerta, Emilio J. Bueno and Francisco J. Rodríguez
Suitability of energy systems based on Superconducting Magnetic Energy Storage (SMES) has been widely tested in the field of wind energy, being able to supply power in cases such as low wind speeds or voltage dips, and to store energy when there are surp...
ver más
|
|
|
|
|
|
|
Cheng-Tao Tsai, Chih-Lung Shen and Jye-Chau Su
In this paper, a power supply system for hybrid renewable energy conversion is proposed, which can process PV (photovoltaic) power and wind-turbine energy simultaneously for step-down voltage and high current applications. It is a dual-input converter an...
ver más
|
|
|
|
|
|
|
Kei Nishikawa, Fuka Ikeda, Yuki Okamoto, Hiroaki Yamada, Toshihiko Tanaka and Masayuki Okamoto
This paper presents an improvement in harmonic compensation performance of a previously proposed smart charger (SC) with a constant dc-capacitor voltage-control (CDCVC) strategy for electric vehicles (EVs) in single-phase three-wire distribution feeders ...
ver más
|
|
|
|
|
|
|
Bor-Ren Lin and Guan-Hong Lin
A soft switching current-source resonant converter is presented and implemented for wide voltage applications such as fuel cells and solar power. An LLC (inductor?inductor?capacitor) converter is adopted to accomplish zero voltage (current) operation on ...
ver más
|
|
|
|
|
|
|
Yuqi Peng, Yuanbin He and Lijun Hang
Distributed power inverters with inductive capacitive?inductive (LCL) filters have become popular in distributed power generation system. However, due to unknown grid impedance, the inverters are confronted with challenges of local filter resonance, poor...
ver más
|
|
|
|
|
|
|
Sho Shibata, Hiroaki Yamada, Toshihiko Tanaka and Masayuki Okamoto
This paper describes the reduced capacity of the inrush current suppressor using a matrix converter (MC) in a large-capacity wind power generation system (WPGS) with two squirrel-cage induction machines (SCIMs). These SCIMs are switched over depending on...
ver más
|
|
|
|
|
|
|
Shun Sang, Binhui Pei, Jiejie Huang, Lei Zhang and Xiaocen Xue
Voltage source (VS) control based on inertia synchronization is a novel phase lock loop (PLL)-less autonomous grid-synchronization control strategy suitable for the permanent magnet synchronous generator (PMSG)-based wind turbine. It can autonomously sen...
ver más
|
|
|
|
|
|
|
R. Jeevajothi, D. Devaraj
This paper investigates the enhancement in voltage stability achieved while connecting a variable speed wind turbine (VSWT) driven electrically excited synchronous generator (EESG) into power systems. The wind energy conversion system (WECS) uses an AC-D...
ver más
|
|
|
|
|
|
|
Abha Pragati, Debadatta Amaresh Gadanayak, Tanmoy Parida and Manohar Mishra
Considering the advantage of the ability of data-mining techniques (DMTs) to detect and classify patterns, this paper explores their applicability for the protection of voltage source converter-based high voltage direct current (VSC-HVDC) transmission sy...
ver más
|
|
|
|
|
|
|
Xuelian Xiao, Jianguo Lv, Yuhua Chang, Jinzhou Chen and Hongwen He
Proton exchange membrane fuel cells (PEMFC) are considered a promising solution for renewable energy application. To meet industrial requirements, the power source consisting of PEMFC is required to be power regulator to generate a stable and desired cur...
ver más
|
|
|
|
|
|
|
Rafael Sanchez Garciarivas, Diego Rasilla Gonzalez, Javier Agustin Navarro, Luis Arturo Soriano, José de Jesús Rubio, Maria Victoria Gomez, Victor Garcia and Jaime Pacheco
System reliability is a measure of an electric grid system?s ability to deliver uninterrupted service at the proper voltage and frequency. This property of the electric system is commonly affected by critical processes, such as a total blackout. The elec...
ver más
|
|
|
|
|
|
|
Ali Raza, Muhammad Younis, Yuchao Liu, Ali Altalbe, Kumars Rouzbehi and Ghulam Abbas
Although various topologies of multi-terminal high voltage direct current (MT-HVdc) transmission systems are available in the literature, most of them are prone to loss of flexibility, reliability, stability, and redundancy in the events of grid continge...
ver más
|
|
|
|
|
|
|
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
|
|
|
|
|
|
|
Van-Vinh Nguyen, Ho-Ik Son, Thai-Thanh Nguyen, Hak-Man Kim and Chan-Ki Kim
The use of high voltage direct current (HVDC) circuit breakers (CBs) with the capabilities of bidirectional fault interruption, reclosing, and rebreaking can improve the reliable and safe operation of HVDC grids. Although several topologies of CBs have b...
ver más
|
|
|
|
|
|
|
R. Gayathri, Jen-Yi Chang, Chia-Cheng Tsai and Tai-Wen Hsu
An oscillating water column (OWC) is designed for the extraction and conversion of wave energy into usable electrical power, rather than being a standalone renewable energy source. This review paper presents a comprehensive analysis of the mathematical m...
ver más
|
|
|
|
|
|
|
Mohamed Abbas, Mohammed A. Alshehri and Abdulwasa Bakr Barnawi
Active power losses have the potential to affect the distribution of power flows along transmission lines as well as the mix of energy used throughout power networks. Grey wolf optimization algorithms (GWOs) are used in electrical power systems to reduce...
ver más
|
|
|
|
|
|
|
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
|
|
|
|
|
|
|
Dan Wang, Chongru Liu and Gengyin Li
In recent years, the increasing penetration level of wind energy into power systems has brought new issues and challenges. One of the main concerns is the issue of dynamic response capability during outer disturbance conditions, especially the fault-tole...
ver más
|
|
|
|
|
|
|
Yong-Song Chen, Sheng-Miao Lin and Boe-Shong Hong
A laboratory-scale passive hybrid power system for transportation applications is constructed and tested in this study. The hybrid power system consists of a fuel cell stack connected with a diode, a lithium-ion battery pack connected with a DC/DC power ...
ver más
|
|
|
|