Implementation of a MFAC based position sensorless drive for high speed BLDC motors with nonideal back EMF.
Sign Up to like & getrecommendations! Published in 2017 at "ISA transactions"
DOI: 10.1016/j.isatra.2016.11.014
Abstract: In order to improve the reliability and reduce power consumption of the high speed BLDC motor system, this paper presents a model free adaptive control (MFAC) based position sensorless drive with only a dc-link current… read more here.
Keywords: based position; commutation; mfac based; speed ... See more keywords
Single power-conversion DAB microinverter with safe commutation and high efficiency for PV power applications
Sign Up to like & getrecommendations! Published in 2019 at "Solar Energy"
DOI: 10.1016/j.solener.2019.09.087
Abstract: Abstract This paper presents a single power-conversion dual-active-bridge (DAB) microinverter with safe commutation and high efficiency for PV power applications. In DAB microinverters, the commutation problem is a crucial issue which must be solved in… read more here.
Keywords: high efficiency; single power; power conversion; commutation ... See more keywords
Study on the variation of the arc area in vacuum DC interruption
Sign Up to like & getrecommendations! Published in 2018 at "Vacuum"
DOI: 10.1016/j.vacuum.2018.08.006
Abstract: Abstract The variation of the arc area in DC interruption was investigated. By the use of the vacuum interrupter with glass shielded, DC interruptions were carried out to obverse the arc appearance in the situation… read more here.
Keywords: arc area; commutation; time; area ... See more keywords
An Improved Torque Sharing Function to Minimize Torque Ripple and Increase Average Torque for Switched Reluctance Motor Drives
Sign Up to like & getrecommendations! Published in 2020 at "Electric Power Components and Systems"
DOI: 10.1080/15325008.2020.1797939
Abstract: Abstract—This article presents a novel torque ripple minimization approach based on the genetic algorithm (GA) for the switched reluctance motor (SRM) drives. The fitness function of the GA is designed on the basis of two… read more here.
Keywords: average torque; torque ripple; commutation; reluctance motor ... See more keywords
Research on Influence Factors and Acceleration Methods of Current Commutation
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Access"
DOI: 10.1109/access.2020.3029611
Abstract: The vacuum interrupter is widely used due to the advantages of no arc-extinguishing medium and high insulation strength. However, the arc voltage generated by the commonly used CuCr contacts is low. In hybrid DC circuit… read more here.
Keywords: current commutation; influence factors; factors acceleration; commutation ... See more keywords
Transient Voltage Control of Sending-End Wind Farm Using a Synchronous Condenser Under Commutation Failure of HVDC Transmission System
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Access"
DOI: 10.1109/access.2021.3070979
Abstract: When the large-scale wind power is sent out through the high voltage direct current (HVDC) transmission system and a DC commutation failure occurs, the voltage of AC bus at the sending end decreases first and… read more here.
Keywords: voltage; commutation failure; wind; sending end ... See more keywords
Analysis of the Zero Overvoltage Switching Phenomenon
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3227442
Abstract: In common understanding, the fast switching speed of wide-bandgap devices leads to high overvoltage and oscillations, if no countermeasures are taken. Those countermeasures were introduced in the past, and include methods such as build-in gate… read more here.
Keywords: phenomenon; power; overvoltage; commutation ... See more keywords
Modulation Strategy for Suppressing Peak Voltage Spikes of SiC-MOSFETs During ANPC Commutation
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Access"
DOI: 10.1109/access.2023.3245817
Abstract: After active neutral point clamped(ANPC) adopts SiC-MOSFETs, SiC-MOSFETs are easily damaged due to the excessive peak voltage. This paper establishes a single-phase parasitic inductance model of ANPC based on the SiC-MOSFET half-bridge modules. Then, based… read more here.
Keywords: mosfets anpc; peak voltage; anpc commutation; modulation ... See more keywords
Threshold Current of Arc-Less Current Commutation in a Hybrid DC Switch
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Components, Packaging and Manufacturing Technology"
DOI: 10.1109/tcpmt.2019.2915764
Abstract: Hybrid dc switches have become increasingly prominent due to their low ON-state energy loss and less arc erosion in comparison with conventional semiconductor and mechanical switches. Zero-voltage switching (ZVS) is a common method for realizing… read more here.
Keywords: current commutation; voltage; threshold current; arc less ... See more keywords
Study on Commutation Control Method for Reducing Noise and Vibration in SRM
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Industry Applications"
DOI: 10.1109/tia.2018.2831173
Abstract: Many kinds of commutation methods have been proposed to reduce the noise and vibration in a switched reluctance motor (SRM). One of these is well known as the two-stage commutation method. However, it has a… read more here.
Keywords: srm; vibration; commutation; noise vibration ... See more keywords
A Forced Commutation Method of the Solid-State Transfer Switch in the Uninterrupted Power Supply Applications
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Industry Applications"
DOI: 10.1109/tia.2019.2963186
Abstract: The eco-mode provides a high-efficiency operation for the double-conversion uninterrupted power supplies (UPSs). Such a mechanism utilizes the solid-state transfer switch (STS) path to power the susceptible loads, and it relies on the converter as… read more here.
Keywords: uninterrupted power; state transfer; transfer; solid state ... See more keywords