CHINESE JOURNAL OF COMPUTATIONAL PHYSICS ›› 1998, Vol. 15 ›› Issue (3): 377-384.

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OPTIMAL EFFICIENCY CONTROL EQUATION FOR DRIVE SYSTEM WITH FREQUENCY CONTROL

Zhang Chenghui1, Tan Zhenyu2   

  1. 1. Dept. of Automation Eng., Shandong Univ. of Technology, Jinan 250061;
    2. Dept. of Elec. Power Eng., Shandong Univ. of Technology, Jinan 250061
  • Received:1997-03-04 Revised:1998-01-08 Online:1998-05-25 Published:1998-05-25

Abstract: For various typical loads including fan pump loads; constant torque loads and constant power loads, the optimal efficiency control equation and its constraint conditions are given using the linearizing expression of the motor. Some simulation computations are provided, and a comparison is made between the results of the new method and those of the model based method for efficiency optimization.

Key words: computation for V/F ratio, efficiency optimization, numerical simulation, flux control

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