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Power Electronic Converters Evolution In Transmission System: HVDC & FACTS Device [PDF]

E3S Web of Conferences
Power electronics have helped achieve this objective of increasing capacity while improving reliability and sustainability and reducing operating costs over the years. They have provided added flexibility and control to power systems.
Rao D. S. N. M., Cenate Theresa C.F., Dhabliya Dharmesh, Alabdeli Haider, Hussein Abbas Hameed Abdul   +4 more
doaj   +1 more source

A 19‐Level Single Voltage Source Inverter With Reduced Blocking Voltage on Switches

IET Power Electronics
This paper presents a novel high‐performance and dependable step‐up multi‐level inverter topology designed specifically for photovoltaic applications. A gain factor of nine is attained, coupled with automatic self‐voltage balancing of capacitors and the ...
Fatemeh Esmaeili, Hamid Reza Koofigar
doaj   +1 more source

Modelling, control design, and analysis of the inner control's loops intended for single‐phase voltage‐controlled inverter‐based microgrid

IET Generation, Transmission & Distribution
In voltage‐controlled voltage source inverters (VSIs)‐based microgrids (MGs), the inner control is of prime interest task for guaranteeing safe and stable operation.
Camelia Ait Hammouda, Rafik Bradai, Ahmed Bendib, Abdelhammid Kherbachi, Kamel Kara, Rachid Boukenoui, Hafiz Ahmed   +6 more
doaj   +1 more source

Optimal control set expansion method for three‐phase voltage source converter with slip window selection and online parameter modification

IET Power Electronics
Finite control set model predictive control (FCS‐MPC) has been widely used in the control of three‐phase voltage source converter (VSC), but its control performance declines sharply at low sampling frequencies.
Linqiang Hu, Wanjun Lei, Zhongxiu Xiao, Xing Sun   +3 more
doaj   +1 more source

A Generalised Power Synchronisation Loop Design for Performance Enhancement of Grid‐Forming Converter

IET Smart Grid
The dynamic characteristics of a grid‐forming converter (GFM) directly affect the stable operation of converter‐based power systems, where the power synchronisation loop plays a critical role in the shaping of the dynamic characteristics of the GFM ...
Yifeng Li, Wei Pei, Jiawang Xiong, Wei Deng   +3 more
doaj   +1 more source

Initialisation of a hybrid AC/DC power system for harmonic stability analysis using a power flow formulation

High Voltage, 2020
This study presents the initialisation of a hybrid alternating current/direct current (AC/DC) power system to determine the operation point around which the system is linearised as a starting point for an electromagnetic or harmonic stability analysis ...
Aleksandra Lekić, Hakan Ergun, Hakan Ergun, Jef Beerten   +3 more
doaj   +1 more source

Improved design of passive damping for single phase grid‐connected LCL filtered inverter considering impedance stability

IET Power Electronics
Grid‐connected inverters with an inductor–capacitor–inductor (LCL) filter usually require the implementation of damping in the filter to suppress the resonance associated with the filter and hence ensure internal stability.
Ramy Ali, Hamed Heydari‐doostabad, Shahab Sajedi, Terence O'Donnell   +3 more
doaj   +1 more source

A novel and easy‐to‐implement modulation scheme for reducing modulation complexity in modular multilevel converter

IET Power Electronics
Modulation strategy plays a key role in the operation of modular multilevel converters (MMC). Although many studies have been carried out on its optimization in MMC, the limitations of hardware implementation are seldom considered.
Zichen Wang, Zhijie Liu, Ke‐Jun Li, Jinxin Dou, Zhonglin Guo, Xiaoxue Ge   +5 more
doaj   +1 more source

UUDAT based on the modular multilevel converter and diode bridges for high-voltage DC application

The Journal of Engineering, 2019
Conventional unidirectional DC/DC converters for high-voltage direct current application employ DC/AC/DC technology and suffer from high converter cost and power loss.
Meng Zhou, Wang Xiang, Wenping Zuo, Weixing Lin, Jinyu Wen, Zhujun Xie   +5 more
doaj   +1 more source

Analysis and improvement of the reactive power cascade control strategy for MMC‐HVDC receiving‐end converter connected to weak grid

IET Generation, Transmission & Distribution
The weak AC grid in a modular multilevel converter modular multilevel converter based high voltage direct current (MMC‐HVDC) receiving‐end system requires faster reactive power support from the receiving‐end MMC.
Junhua Xu, Guopeng He, Yong Liu, Songqin Tang, Daiyu Xie, Mingyuan Chen   +5 more
doaj   +1 more source