Torque Ripple Mitigation of T-3L Inverter Fed Open-End Doubly-Salient Permanent-Magnet Motor Drives Using Current Hysteresis Control
Abstract
:1. Introduction
2. Configuration and Modeling
3. Current Reference Design for Torque Ripple Mitigation
4. Phase Commutation Strategy for Torque Ripple Mitigation
5. Current Tracking for Torque Ripple Mitigation
5.1. Hysteresis Current Control
5.2. Control of Mid-Point Voltage in DC Link
6. Simulation and Experimental Verification
7. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Switching Status | SA1 | SA2 | SA3 | SA4 | Status Number |
---|---|---|---|---|---|
P | ON | ON | OFF | OFF | 4 |
O | OFF | ON | ON | OFF | 3 |
N | OFF | OFF | ON | ON | 2 |
X | OFF | OFF | OFF | OFF | 1 |
e(i) | (SA, Sa) |
---|---|
e(i) > BW1 | (4, 2) |
BW2 < e(i) ≤ BW1 | (4, 3), (3, 2) |
−BW2 ≤ e(i) ≤ BW2 | Maintain the last sample cycle’s switching state |
−BW1 ≤ e(i) < −BW2 | (3, 4), (2, 3) |
e(i) < −BW1 | (2, 4) |
Current Direction | uCup < Vdc/2 | uCup < Vdc/2 | ||
---|---|---|---|---|
I | I | I | I | |
From A to a | (3, 2) | (3, 4) | (4, 3) | (2, 3) |
From a to A | (2, 3) | (4, 3) | (3, 4) | (3, 2) |
Items | Value |
---|---|
Pole pair number | 8 |
Rated speed | 1000 rpm |
Rated power | 750 W |
DC-link voltage | 100 V |
DC capacitors | 400 uF |
Resistor value | 0.21 Ω |
Sampling frequency | 20 kHz |
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Liu, H.; Pu, S.; Cao, J.; Yang, X.; Wang, Z. Torque Ripple Mitigation of T-3L Inverter Fed Open-End Doubly-Salient Permanent-Magnet Motor Drives Using Current Hysteresis Control. Energies 2019, 12, 3109. https://doi.org/10.3390/en12163109
Liu H, Pu S, Cao J, Yang X, Wang Z. Torque Ripple Mitigation of T-3L Inverter Fed Open-End Doubly-Salient Permanent-Magnet Motor Drives Using Current Hysteresis Control. Energies. 2019; 12(16):3109. https://doi.org/10.3390/en12163109
Chicago/Turabian StyleLiu, Hongliang, Shaoning Pu, Jiawei Cao, Xiaojie Yang, and Zheng Wang. 2019. "Torque Ripple Mitigation of T-3L Inverter Fed Open-End Doubly-Salient Permanent-Magnet Motor Drives Using Current Hysteresis Control" Energies 12, no. 16: 3109. https://doi.org/10.3390/en12163109