MTPA Control Strategy for ALA Rotor SynRM Based on Reactive and Apparent Power Calculation under Sensorless V/f Control with Stabilization

Vidlak, Michal; Agarlita, Sorin; Boldea, Ion

doi:10.1109/edpe58625.2023.10274027

2023 International Conference on Electrical Drives and Power Electronics (EDPE) 2023

DOI: 10.1109/edpe58625.2023.10274027

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MTPA Control Strategy for ALA Rotor SynRM Based on Reactive and Apparent Power Calculation under Sensorless V/f Control with Stabilization

Michal Vidlak,

Sorin Agarlita,

Ion Boldea

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2024

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I-f Control Method for SynRMs Uses Simple Inductance Identification and Voltage Injection for Current and Angle Control

Guo,

Pan,

Yang

et al. 2024

Sensors

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The sensorless vector control method of synchronous reluctance motors (SynRMs), based on extended back electromotive force (EMF) or flux observation, has been widely applied in the medium- or high-speed range. However, in the low-speed and low-current range, the extended back-EMF and flux are nearly zero. The use of the current frequency (I-f) control method can enable the motor to pass through the low-speed region, thereby ensuring that the back-EMF and flux reach a large value. I-f control methods that are widely used in permanent magnet synchronous motors (PMSMs) may encounter many problems when applied to SynRMs. The most serious issue is the inability to adjust the current amplitude to control the rotor angle and achieve a smooth transition to sensorless control. Based on various issues, this article proposes an I-f control method with four stages that can be used in SynRMs. This method uses a simple inductance identification method to solve the flux saturation phenomenon of SynRMs and then uses high-frequency voltage injection to continuously adjust the current amplitude and rotor angle position in conjunction with this inductance identification method. The effectiveness of this method is experimentally demonstrated on a 5.5 kW SynRM.

show abstract

I-f Control Method for SynRMs Uses Simple Inductance Identification and Voltage Injection for Current and Angle Control

Guo,

Pan,

Yang

et al. 2024

Sensors

View full text Add to dashboard Cite

show abstract

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MTPA Control Strategy for ALA Rotor SynRM Based on Reactive and Apparent Power Calculation under Sensorless V/f Control with Stabilization

Cited by 1 publication

References 14 publications

I-f Control Method for SynRMs Uses Simple Inductance Identification and Voltage Injection for Current and Angle Control

I-f Control Method for SynRMs Uses Simple Inductance Identification and Voltage Injection for Current and Angle Control

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