Results 1 to 10 of about 472 (149)

Simple new PWM patterns for thyristor three-phase AC/DC convertors

IEE Proceedings B: Electric Power Applications, 1986
Thyristor forced commutated AC/DC convertors are useful for improving the power factor and waveform of AC-side line current. These are controlled through pulse-width modulation schemes for best performance.
S K Biswas
exaly   +1 more source

A novel axial air‐gap transverse flux switching PM generator: Design, simulation and prototyping

IET Electric Power Applications, 2023
Wind energy as the cleanest source of renewable energy requires a highly efficient lightweight generator that provides maximum power density while having the least vibration noise and maintenance.
Aghil Ghaheri, Ebrahim Afjei, Hossein Torkaman   +2 more
doaj   +1 more source

Implementing a simplified power controller with a direct matrix converter for a PMSG‐based WECS

IET Power Electronics, 2023
This paper proposes the utilisation of the direct matrix converter (DMC) to regulate the power transfer between a permanent magnet synchronous generator (PMSG) based wind energy conversion system (WECS) and the power grid.
Diego Armando Gutiérrez‐Torres, Juan M. Ramírez, José M. Lozano‐García   +2 more
doaj   +1 more source

Comprehensive optimization framework for transmission expansion planning with fractional frequency transmission system

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, Xiuli Wang, Kun Yang, Sui Peng, Zhaoqin Hu, Likai Zhang, Boyang Zhao   +6 more
doaj   +1 more source

Incorporation of Microgrid Technology Solutions to Reduce Power Loss in a Distribution Network with Elimination of Inefficient Power Conversion Strategies [PDF]

, 2021
The increase in energy-efficient DC appliances and electronic gadgets has led to an upheaval in the usage of AC–DC power convertors; hence, power loss in converter devices is cumulatively increasing.
Lucian Mihet-Popa, Rajvikram Madurai Elavarasan, Rengasamy, Mageswaran, Elavarasan, Rajvikram Madurai, Sivasankar Gangatharan, Mihet-Popa, Lucian, Gangatharan, Sivasankar, Mageswaran Rengasamy   +7 more
core   +1 more source

A simplified space vector pulse width modulation method for a three‐level four‐leg inverter considering the neutral point potential balance

IET Power Electronics, 2023
This paper presents a simple three‐dimensional space vector modulation method in ghγ coordinates for a three‐level four‐leg neutral‐point‐clamped inverter.
Zhi Zhang, Haohui Chen, Yiyun Li, Sizhe Chen, Chang Liu, Zhaoyun Zhang   +5 more
doaj   +1 more source

A capacitor voltage self‐balancing method of modular multilevel converters based on switching state matrix construction

IET Power Electronics, 2023
This study presents a submodule capacitor voltage self‐balancing method for modular multilevel converters (MMCs) based on switching state matrix construction, which has an advantage over eliminating massive sensor demanding and alleviating computational ...
Zhou Yiyuan, Qin Liang, Wang Qing, Yu Xue, Pu Qingxin, Yang Shiqi, Liu Zhaoxun, Liu Kaipei   +7 more
doaj   +1 more source

Comparación de flujos de potencia óptimos para redes AC/DC con penetración de recursos energéticos distribuidos considerando incertidumbre

, 2023
En este proyecto de grado, se proponen cuatro novedosas metodologías que resuelven el problema del flujo de potencia óptimo unificado en una red híbrida AC/DC, teniendo en cuenta la presencia de sistemas de baterías y generación distribuida (GD).
Suárez Córdoba, Santiago
core   +1 more source

Coupling analysis on power‐frequency control loops for virtual synchronous generator based on relative gain array and Prony method

IET Power Electronics, 2023
With the improvement of the penetration of power electronic equipment, a challenging scenario is arising in power‐frequency control system design of virtual synchronous generator (VSG).
Jiaoxin Jia, Xiangwu Yan, Benshuang Qin
doaj   +1 more source

Topology review of doubly grounded transformer‐less single‐phase inverters

IET Power Electronics, 2023
Photovoltaic (PV) transformer‐less single‐phase inverters are widely used in the solar generation systems because of low cost, high power density, and high efficiency.
Zhilei Yao
doaj   +1 more source