Results 41 to 50 of about 476 (140)

Virtual synchronous generator: Modifications, stability assessment and future applications

Energy Reports, 2022
The distributed generation (DG) integration into the power system is growing rapidly. Therefore, the power system experiencing low inertia and damping because DG possesses no or low inertia causes severe stability issues.
Khalid Mehmood Cheema, Naveed Ishtiaq Chaudhary, Muhammad Faizan Tahir, Kashif Mehmood, Muhammad Mudassir, Muhammad Kamran, Ahmad H. Milyani, Z.M. Salem Elbarbary   +7 more
doaj   +1 more source

A Type‐3 Fuzzy‐Based Adaptive Sliding Mode Control With Barrier Function for Islanded Hybrid Alternating Current/Direct Current Microgrids With High Renewable Penetration

Energy Science &Engineering, Volume 13, Issue 11, Page 5750-5767, November 2025.
ABSTRACT Microgrids with integrated renewable energy sources are becoming more and more important in the fast‐changing electrical energy production scenario. An 8 kW wind generator and a 4.5 kW solar photovoltaic system are the two renewable energy sources utilized in the hybrid alternating current (AC) and/or direct current (DC) microgrid ...
Man‐Wen Tian, Jun‐Bo Mao, Jafar Tavoosi, Amirhosein Khosravi Sarvenoee, Ebrahim Ghaderpour, Ardashir Mohammadzadeh   +5 more
wiley   +1 more source

Isochronous control of a virtual synchronous generator using inertia and excitation emulations with restoration control in a standalone microgrid

IET Smart Grid, 2020
In this study, virtual excitation emulation (VEE) is proposed along with the virtual inertia emulation (VIE) for a virtual synchronous generator (VSG) in a standalone microgrid to improve the AC voltage and frequency profile through the control of power ...
Soumya Samanta, Jyoti Prakash Mishra, Jyoti Prakash Mishra, Binoy Krishna Roy   +3 more
doaj   +1 more source

Enhancement of low-voltage ride-through capability for virtual synchronous generators based on virtual impedance voltage control

Energy Reports, 2023
Virtual Synchronous Generator (VSG)-based grid-forming converters (GFC) increasingly serve as interfaces between renewable energy resources and the power grids with high penetration. Although the emulation of the characteristics of Synchronous Generator (
Feng Ji, Zhuang Xu
doaj   +1 more source

Hybrid system consisting of synchronous condenser and virtual synchronous generator for enhanced power quality in microgrid

Electronics Letters, Volume 61, Issue 1, January/December 2025.
This letter analyses the coupling mechanism and investigates a hybrid approach combining a virtual synchronous generator (VSG) and a synchronous condenser to mitigate this effect, improving the power quality. Additionally, this study modifies the traditional reactive power control of VSGs to ensure voltage stability during transients.
Renqi Guo, Nan Zhao
wiley   +1 more source

Frequency Stability Analysis of Grid-Forming PMSG Based on Virtual Synchronous Control

IEEE Access
A small-signal model of a virtual synchronous generator (VSG) control system for wind turbines, which considers the rotor speed regulation characteristics, has been established in this paper. Additionally, the damping torque coefficient expression of the
Qingtian Meng, Yongfeng Ren, Huiqiang Liu   +2 more
doaj   +1 more source

A Novel Grid‐Connected Control Technique for Grid‐Configured Inverters Combining Sliding Mode Control and Predictive Control

Electronics Letters, Volume 61, Issue 1, January/December 2025.
This manuscript introduces an enhanced grid‐connected control technique for inverters, utilizing a combination of sliding mode control and predictive control within a virtual synchronous generator framework. The proposed method adaptively adjusts inertia and damping, ensuring improved grid stability and inertia support, with simulation results ...
Xuhong Yang, Jingjian Wang
wiley   +1 more source

Per‐Unit Modeling Standards for Simplified Calculation in Grid‐Forming Converter Systems

Electronics Letters, Volume 61, Issue 1, January/December 2025.
The topology and control scheme of GFMC systems. ABSTRACT This letter proposes a per‐unit modeling standard (PUMS) for simplified calculations in grid‐forming converter (GFMC) systems, which can improve and simplify the modeling process. The proposed PUMS can solve the bottlenecks and difficulties of calculation caused by the upper limits of ...
Mufan Wang, Fan Li, Shuyi Shen, Xiahui Zhang, Zhiheng Shen, Xinhua Xiong, Chang Li   +6 more
wiley   +1 more source

Sub‐Synchronous Oscillation Suppression Strategy for DFIG Based on Morris‐EFAST Global Sensitivity Analysis and Multi‐Parameter Co‐Optimisation

IET Electric Power Applications, Volume 19, Issue 1, January/December 2025.
The impedance sensitivity of the doubly‐fed induction generator (DFIG) grid‐connected system with series compensation is analysed using the Morris method and the extended Fourier amplitude sensitivity test (EFAST). A cooperative optimisation approach is proposed to adjust high‐sensitivity parameters, thereby suppressing sub‐synchronous oscillations ...
Gaojun Meng, Junyi Wang, Lei Huang, Yangfei Zhang, Linlin Yu, Haitao Liu   +5 more
wiley   +1 more source

Optimizing virtual synchronous generator control in MMC-based HVDC systems for power system oscillation damping

Results in Engineering
This paper discusses the development of a Virtual Synchronous Generator utilizing a Modular Multilevel Converter. The control system employs an internal simulation of the electromechanical swing equation to replicate the inertia and damping ...
Chethan M․, Ravi K
doaj   +1 more source