Model predictive control for a modular multilevel cascade converter with an improved zeroâsequence voltage injection method
Sign Up to like & getrecommendations! Published in 2019 at "IET Power Electronics"
DOI: 10.1049/iet-pel.2018.5762
Abstract: In this study, the authors propose a model predictive control method for modular multilevel cascade converter-single star bridge cells (MMCC-SSBC) with an improved zero-sequence voltage injection algorithm under unbalanced conditions. First, a model predictive controller… read more here.
Keywords: control; voltage; zero sequence; voltage injection ... See more keywords
Investigated Analysis and New Zero-Sequence Harmonic Injection Pulsewidth Scheme for Overmodulation Region
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3147205
Abstract: Pulswidth modulation (PWM) methods were developed to grant the voltage source inverter (VSI) output signal better quality measures. The PWM method that VSI relies on must consider the utilization of the direct current (DC) source,… read more here.
Keywords: overmodulation region; sequence; zero sequence; harmonic injection ... See more keywords
Five-Level Hysteresis DTC of Open-End Winding Permanent Magnet Synchronous Motors With Zero-Sequence Currents Suppression and Torque Ripple Reduction
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3223126
Abstract: Direct torque control (DTC) systems for open-end winding permanent magnet synchronous motors (OEW-PMSM) with common DC bus generate zero sequence currents (ZSC) and large torque ripple, resulting in increased system loss and poor operating characteristics.… read more here.
Keywords: torque ripple; zero sequence; dtc; torque ... See more keywords
A Single-Phase-to-Ground Fault Detection Method Based on the Ratio Fluctuation Coefficient of the Zero-Sequence Current and Voltage Differential in a Distribution Network
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Access"
DOI: 10.1109/access.2023.3238072
Abstract: Because the traditional zero-sequence overcurrent protection method is not effective in detecting single-phase-to-ground faults (SPGF) in a low-resistance grounded system (LRGS), this paper analyzes the fault characteristics of a 10-kV LRGS in detail. From the… read more here.
Keywords: detection method; sequence; voltage; zero sequence ... See more keywords
3-D Vector-Based Model Predictive Current Control for Open-End Winding PMSG System With Zero-Sequence Current Suppression
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Journal of Emerging and Selected Topics in Power Electronics"
DOI: 10.1109/jestpe.2019.2953805
Abstract: In this article, 3-D vector-based model predictive current control (MPCC) for the open-end winding permanent magnet synchronous generator (OEW-PMSG) system driven by a dual inverter with a common dc bus is proposed to suppress the… read more here.
Keywords: system; control; voltage; zero sequence ... See more keywords
A New Zero-Sequence Current Suppression Control Strategy for Five-Phase Open-Winding Fault-Tolerant Fractional-Slot Concentrated Winding IPM Motor Driving System
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Industry Applications"
DOI: 10.1109/tia.2019.2894112
Abstract: In this paper, a new zero-sequence current suppression control strategy for the five-phase open-winding fault-tolerant fractional-slot concentrated-winding interior-permanent-magnet (FTFSCW-IPM) motor drive system with a common dc bus is proposed. By unequal distribution of the zero… read more here.
Keywords: sequence current; new zero; current suppression; zero sequence ... See more keywords
Improved Rotor Position Estimation Accuracy by Rotating Carrier Signal Injection Utilizing Zero-Sequence Carrier Voltage for Dual Three-Phase PMSM
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2016.2561261
Abstract: In this paper, the rotor position estimation accuracy of rotating carrier signal injection utilizing zero-sequence carrier voltage method for dual three-phase (DTP) permanent-magnet synchronous machines (PMSMs) is investigated. When utilizing the zero-sequence carrier voltage, the… read more here.
Keywords: zero sequence; voltage; sequence carrier; carrier ... See more keywords
Initial Rotor Position Estimation Using Zero-Sequence Carrier Voltage for Permanent-Magnet Synchronous Machines
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2016.2596703
Abstract: Both rotating and anticlockwise pulsating signal injection methods based on zero-sequence voltage sensing have been reported to have large signal-to-noise ratio and bandwidths, and great stability for the sensorless control of permanent-magnet synchronous machines. However,… read more here.
Keywords: zero sequence; using zero; carrier; sequence ... See more keywords
Investigation on Zero-Sequence Signal Injection for Improved Harmonic Performance in Split-Phase Induction Motor Drives
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2016.2643620
Abstract: In three-phase induction motor drives, addition of certain zero-sequence signal which divides the null vector time equally between the two zero states is known to improve the harmonic performance over sinusoidal modulation. Similarly, in split-phase… read more here.
Keywords: zero sequence; phase; sequence signal; harmonic performance ... See more keywords
Current Prediction Based Zero Sequence Current Suppression Strategy for the Semicontrolled Open-Winding PMSM Generation System With a Common DC Bus
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2017.2784353
Abstract: In this paper, the model predictive current control is introduced in the semicontrolled open-winding permanent magnet synchronous motor (OW-PMSM) generation system with a common dc bus to suppress the zero-sequence current for the first time.… read more here.
Keywords: zero sequence; voltage; vector; generation system ... See more keywords
Torque Ripple Suppression for Open-End Winding Permanent-Magnet Synchronous Machine Drives With Predictive Current Control
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2019.2907506
Abstract: In order to suppress the torque ripple of an open-end winding permanent-magnet synchronous machine (OEW-PMSM), a q-axis current injection method is typically employed but the disturbances caused by the third flux linkage parameter mismatch can… read more here.
Keywords: open end; control; end winding; torque ripple ... See more keywords