Design and optimization of CMOS glitch-free frequency-to-voltage converter for frequency-locked loop at GHz ranges
Sign Up to like & getrecommendations! Published in 2019 at "Analog Integrated Circuits and Signal Processing"
DOI: 10.1007/s10470-019-01402-4
Abstract: In this letter, a new frequency-to-voltage converter based on the capacitors charge redistribution technique is proposed. By adding a capacitor in the charging tank, the proposed design overcomes the output glitches in the conventional converter… read more here.
Keywords: voltage; frequency; frequency voltage; design ... See more keywords
Mitigation of Frequency and Voltage Disruptions in Smart Grid During Cyber-Attack
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Control, Automation and Electrical Systems"
DOI: 10.1007/s40313-020-00574-z
Abstract: In this paper, impacts of cyber-attack on proportional integral derivative controlled automatic generation control unit and automatic voltage regulator have been analyzed individually. A controlled switching unit has been proposed for ensuring frequency stability during… read more here.
Keywords: cyber attack; voltage; frequency voltage; voltage disruptions ... See more keywords
A novel control approach for virtual synchronous generators to suppress frequency and voltage fluctuations in microgrids
Sign Up to like & getrecommendations! Published in 2018 at "Applied Energy"
DOI: 10.1016/j.apenergy.2017.06.058
Abstract: To achieve a more sustainable supply of electricity, consumers are expected to rely increasingly on combinations of various types of power generators. Among them, distributed generators (DGs) utilizing renewable energy sources (RESs) are a promising… read more here.
Keywords: voltage; frequency voltage; control approach; virtual synchronous ... See more keywords
Study on low-frequency voltage fluctuation of traction power supply system introduced by multiple modern trains
Sign Up to like & getrecommendations! Published in 2017 at "Electric Power Systems Research"
DOI: 10.1016/j.epsr.2017.01.033
Abstract: Abstract As the modern trains have been widely adopted in China high-speed and heavy-haul railways, the low-frequency voltage fluctuation of traction network has been found frequently, which affects both traction power supply system (TPSS) and… read more here.
Keywords: low frequency; frequency voltage; fluctuation; system ... See more keywords
A decentralized approach for frequency and voltage regulation in islanded PV-Storage microgrids
Sign Up to like & getrecommendations! Published in 2021 at "Electric Power Systems Research"
DOI: 10.1016/j.epsr.2020.106974
Abstract: Abstract This paper proposes a novel decentralized and communication-less control strategy for frequency and voltage regulation in Photovoltaic (PV)-Storage islanded Microgrids (MGs). The developed approach aims at achieving a suitable management of the different operational… read more here.
Keywords: approach; storage; frequency voltage; power ... See more keywords
Enhanced Active and Reactive Power Sharing in Islanded Microgrids
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Systems Journal"
DOI: 10.1109/jsyst.2020.2967374
Abstract: The intermittency of renewable energy makes the control of islanded microgrids more difficult than that of the grid-connected mode. In conventional methods, the controller is designed to regulate the system frequency and voltage only based… read more here.
Keywords: power; frequency voltage; active reactive; power sharing ... See more keywords
Distributed Finite-Time Secondary Frequency and Voltage Control for Islanded Microgrids With Communication Delays and Switching Topologies
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Cybernetics"
DOI: 10.1109/tcyb.2020.3003690
Abstract: This article is concerned with the distributed secondary frequency and voltage control for islanded microgrids. First, the distributed secondary control problem is formulated by taking both communication delays and switching topologies into account. Second, by… read more here.
Keywords: finite time; control; frequency voltage; voltage control ... See more keywords
Fully Distributed Cooperative Secondary Frequency and Voltage Control of Islanded Microgrids
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Transactions on Energy Conversion"
DOI: 10.1109/tec.2016.2638858
Abstract: This paper proposes a new distributed cooperative secondary control for both frequency and voltage restoration of an islanded microgrid with droop-controlled, inverter-based distributed generations (DGs). Existing distributed methods commonly design secondary control based on the… read more here.
Keywords: frequency; control; frequency voltage; distributed cooperative ... See more keywords
Efficient QR Updating Factorization for Sensorless Synchronous Motor Drive Based on High Frequency Voltage Injection
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2019.2959478
Abstract: The conventional methods for estimating the rotor position of permanent magnet synchronous machines, at low speed range and characterized by rotor saliency, rely on high frequency voltage injection in the stator windings. Ordinarily, the rotor… read more here.
Keywords: high frequency; frequency; efficient updating; frequency voltage ... See more keywords
Distributed Coordination of Islanded Microgrid Clusters Using a Two-Layer Intermittent Communication Network
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Industrial Informatics"
DOI: 10.1109/tii.2017.2783334
Abstract: This paper proposes a distributed hierarchical cooperative control strategy for a cluster of islanded microgrids (MGs) with intermittent communication, which can regulate the frequency/voltage of all distributed generators (DGs) within each MG as well as… read more here.
Keywords: intermittent communication; network; communication; control ... See more keywords
Aggregation and Optimal Management of TCLs for Frequency and Voltage Control of a Microgrid
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Power Delivery"
DOI: 10.1109/tpwrd.2020.3019894
Abstract: A novel hierarchical Energy Management System (EMS) framework is proposed for the incorporation of Thermostatically Controlled Loads (TCLs) in the provision of ancillary services, namely frequency and voltage control of a microgrid. The TCL population… read more here.
Keywords: voltage; control microgrid; control; frequency voltage ... See more keywords