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Parameter sensitivity on the performance of sensor-based rotor flux oriented vector controlled induction machine drive

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Abstract

The performance of a sensor-based rotor flux-oriented vector control induction machine drive is highly influenced by the machine parameters rotor resistance and magnetizing inductance. The rotor resistance/rotor time constant varies continuously with temperature when it is driven with variable loads. The magnetizing inductance varies with the saturation of the core of the machine. These parameter variations affect the machine's electromagnetic torque and rotor flux, resulting in non-linear input-output torque, which also affects the steady-state and dynamic response of the drive. This letter establishes an approach for parameter sensitivity and normalized sensitivity of torque and rotor flux with respect to variations of rotor time constant and magnetizing inductance. This letter presents the generalized analytical expressions for electromagnetic torque and rotor flux linkages to study the effect of possible variations of these machine parameters. This letter analyses the parameter sensitivity of different ratings of the machines. This parameter sensitivity approach and analysis is useful for practicing engineers.

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Authors and Affiliations

  1. BHEL R&D, Hyderabad, Telangana, 500042, India

    Balawanth Reddy Gudur

  2. Indian Institute of Technology Kharagpur, Kharagpur, India

    Gautam Poddar

  3. Vasavi College of Engineering (Retd. BHEL R&D), Hyderabad, Telangana, India

    Bishnu Prasad Muni

Authors
  1. Balawanth Reddy Gudur
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  2. Gautam Poddar
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  3. Bishnu Prasad Muni
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Corresponding author

Correspondence to Balawanth Reddy Gudur.

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Gudur, B.R., Poddar, G. & Muni, B.P. Parameter sensitivity on the performance of sensor-based rotor flux oriented vector controlled induction machine drive. Sādhanā 48, 169 (2023). https://doi.org/10.1007/s12046-023-02224-x

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  • DOI: https://doi.org/10.1007/s12046-023-02224-x

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