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Title of Journal: Electr Eng

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Abbravation: Electrical Engineering

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Springer-Verlag

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DOI

10.1007/bf00961522

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1432-0487

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Performance improvement of sensorless vector contr

Authors: KyoBeum Lee Frede Blaabjerg
Publish Date: 2006/09/27
Volume: 89, Issue: 8, Pages: 607-616
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Abstract

This paper presents a new method to improve sensorless performance of matrix converter drives using PQR power transformation The nonlinearity of matrix converter drives such as commutation delay turnon and turnoff time of switching device and onstate switching device voltage drop is modelled using PQR transformation and compensated using a reference current control scheme To eliminate the input current distortion due to the input voltage unbalance a simple method using PQR transformation is also proposed The proposed compensation method is applied for high performance induction motor drives using a 3 kW matrix converter system without a speed sensor Experimental results are shown to illustrate the feasibility of the proposed strategy

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Other Papers In This Journal:
  1. Multiple-fault diagnosis in induction motors through support vector machine classification at variable operating conditions
  2. Design and analysis of a single-phase low-frequency active power factor correction circuit: a symmetric trapezoidal current waveform approach
  3. Optimal placement of multiple STATCOM for voltage stability margin enhancement using particle swarm optimization
  4. Linear time-varying systems analysis in wavelet domain
  5. Comparison between star winding and open-end winding induction machines
  6. A geometric algebra reformulation and interpretation of Steinmetz’s symbolic method and his power expression in alternating current electrical circuits
  7. Optimum phase configurations for the minimization of the magnetic fields of underground cables
  8. Multi-tank resonant topologies as key design factors for reliability improvement of power converter for power energy applications
  9. Development of a nonlinear geometric transformer model based on an incremental circuit of its magnetic core
  10. A state tracking control algorithm with pole assignment
  11. Calculation of Transients in Transformer Winding and Determination of Winding Parameters
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