Results 31 to 40 of about 44,590 (284)

PI-based controller for low-power distributed inverters to maximise reactive current injection while avoiding over voltage during voltage sags [PDF]

open access: yes, 2018
This paper is a postprint of a paper submitted to and accepted for publication in IET Power Electronics and is subject to Institution of Engineering and Technology Copyright.
Camacho Santiago, Antonio   +4 more
core   +2 more sources

Reconceptualizing the Transmission Line Protection From the Perspective of IBR-Dominated Grid

open access: yesIEEE Access
This study evaluates the performance of distance relay in the presence of inverter-based resources. In particular, it investigated the dynamic response of an inverter-based resource that is endowed with low voltage ride through capability and the ...
Nikhil M Varghese, Manas Kumar Jena
doaj   +1 more source

Synchronization Stability of Interconnected Microgrids with Fully Inverter-based Distributed Energy Resources

open access: yesJournal of Modern Power Systems and Clean Energy, 2023
In this paper, the synchronization stability challenges of same-rated frequency interconnected microgrids (IMGs) with fully inverter-based generation units are studied.
Mobin Naderi   +3 more
doaj   +1 more source

Pseudo-gradient Based Local Voltage Control in Distribution Networks

open access: yes, 2015
Voltage regulation is critical for power grids. However, it has become a much more challenging problem as distributed energy resources (DERs) such as photovoltaic and wind generators are increasingly deployed, causing rapid voltage fluctuations beyond ...
Chen, Lijun   +2 more
core   +1 more source

FPGA-based implementation of the back-EMF symmetric-threshold-tracking sensorless commutation method for brushless DC-machines [PDF]

open access: yes, 2013
The operation of brushless DC permanent-magnet machines requires information of the rotor position to steer the semiconductor switches of the power-supply module which is commonly referred to as Brushless Commutation. Different sensorless techniques have
Darba, Araz   +3 more
core   +1 more source

An Alternative Control Structure for Grid-Following Converters of Inverter-Based Resources

open access: yesIEEE Open Access Journal of Power and Energy, 2023
In this paper, an alternative control structure of grid-following control is proposed and applied in inverter-based resources (IBRs). An IBR’s grid-following control normally employs Power/Voltage (P/V) control strategy to control the output real ...
Zhixin Miao   +3 more
doaj   +1 more source

A GaN-based wireless power and information transmission method using Dual-frequency Programmed Harmonic Modulation [PDF]

open access: yes, 2020
Information transmission is often required in power transfer to implement control. In this paper, a Dual-Frequency Programmed Harmonic Modulation (DFPHM) method is proposed to transfer two frequencies carrying power and information with the single ...
Deng, Wei   +5 more
core   +1 more source

Optimal protection coordination for directional overcurrent relays in radial distribution networks with inverter-based distributed energy resources

open access: yesInternational Journal of Electrical Power & Energy Systems
The optimal setting of directional overcurrent relays ensures the reliable protection and fast fault clearance of radial distribution networks. However, the increasing proliferation of inverter-based distributed energy resources can result in protection ...
Jie Li   +4 more
doaj   +1 more source

Multi-frequency coupled mechanism and propagation characteristics of subsynchronous oscillations induced by IBRs in power systems

open access: yesInternational Journal of Electrical Power & Energy Systems
Subsynchronous oscillations induced by inverter-based resources pose a significant threat to power system stability due to their wide propagation. This paper reveals a new propagation phenomenon of subsynchronous oscillations induced by inverter-based ...
Yanhui Xu, Yundan Cheng, Le Zheng
doaj   +1 more source

Complex Frequency-based Control for Inverter-based Resources

open access: yesJournal of Modern Power Systems and Clean Energy
This paper proposes a novel control for Inverter-based Resources (IBRs) based on the Complex Frequency (CF) concept. The controller's objective is to maintain a constant CF of the voltage at the terminals of the IBR by adjusting its current reference.
Bernal, R., Milano, F.
openaire   +2 more sources

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