Results 1 to 10 of about 4,962 (95)

Reinforcement learning-driven model predictive control for optimizing counter-rotating permanent magnet synchronous motor in submarine propulsion system [PDF]

open access: yesScientific Reports
Counter Rotating Permanent Magnet Synchronous Motors (CRPMSM) are increasingly favored in underwater application due to their high torque density, efficiency and ability to cancel out yaw inducing moments through the use of dual rotors spinning in ...
Eliyab Yosef Delelew   +3 more
doaj   +2 more sources

Non-linear discrete model of BLDC motor for studying the range of permissible values of the voltage vector in the state space [PDF]

open access: yesMATEC Web of Conferences, 2020
A nonlinear discrete model of a brushless direct current (BLDC) motor in a rotating coordinate system with vector control was developed. The synthesis of optimal control in the state space was performed using the Riccati equation.
Trefilov Sergei
doaj   +1 more source

Neutral Voltage Modulation for Maximizing the Linear Modulation Region and Limp-Home Mode Operation of Multilevel Cascaded Inverters Under DC-Link Imbalance Conditions

open access: yesIEEE Access, 2022
This paper proposes an improved neutral voltage modulation (NVM) method for symmetrical and asymmetrical three-phase multilevel cascaded inverters (MLCIs).
Jeongwoo Kim, Younghoon Cho
doaj   +1 more source

Research on Short-Circuit of Fault-Tolerant Permanent Magnet Rim Driven Motor Based on SPSRF-MPCC Algorithm

open access: yesIEEE Access, 2023
The conventional double-vector model predictive current control based on rotating reference frame (RRF-MPCC) which used in fault-tolerant permanent magnet rim driven motor (FTPM-RDM) has the problems of large output torque ripple and long selection time ...
Yonghan Liu   +5 more
doaj   +1 more source

DC Voltage Balancing Strategy of a Bipolar-Output Active Rectifier for More Electric Aircraft Based on Zero Vector Redistribution

open access: yesIEEE Access, 2021
The ±270 V bipolar dc distribution has become an attractive power supply scheme in more electric aircraft (MEA). In this paper, a dc voltage balancing strategy based on zero vector redistribution (ZVR) is proposed for a three-phase coupled ...
Yajun Zhao, Wenxin Huang, Feifei Bu
doaj   +1 more source

Power Quality Analysis of a Hybrid Microgrid-Based SVM Inverter-Fed Induction Motor Drive with Modulation Index Diversification

open access: yesEnergies, 2022
The effects of varying modulation indices on the current and voltage harmonics of an induction motor (IM) powered by a three-phase space vector pulse-width modulation (SVM) inverter are presented in this research.
Subramanian Vasantharaj   +3 more
doaj   +1 more source

Elimination of Common Mode Voltage in the Three-To-Nine-Phase Matrix Converter

open access: yesEnergies, 2020
A multiphase matrix converter (MC) is a direct AC/AC converter with n-phase input and m-phase output that is required to supply multiphase systems. To synthesize the controllable sinusoidal output voltage and input current with controllable displacement ...
Janina Rząsa, Elżbieta Sztajmec
doaj   +1 more source

Input Power Factor Compensation Strategy for Zero CMV-SVM Method in Matrix Converters

open access: yesIEEE Access, 2020
The space vector modulation (SVM) method using only rotating vectors is very effective to suppress the common-mode voltage (CMV) for matrix converters (MCs).
Huu-Nhan Nguyen   +5 more
doaj   +1 more source

Research on control system for improving the grid-connected efficiency of small hydropower

open access: yesEnergy Reports, 2023
Aiming at the problem of low efficiency at low flow in small hydropower stations, a permanent magnet direct-drive hydropower generation control system based on dual PWM converters is proposed to realize wide-range variable-speed constant-frequency ...
Xingyang Hu   +4 more
doaj   +1 more source

Modulation Strategy for Multi-Phase Matrix Converter with Common Mode Voltage Elimination and Adjustment of the Input Displacement Angle

open access: yesEnergies, 2020
In the last several years, thanks to the development and continuous improvement of semiconductor switching elements, and the simultaneous increase in interest in multi-phase drives, the investigation into constructing multi-phase converters has been ...
Janina Rząsa
doaj   +1 more source

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