NDLI: Evaluation of dynamic parameters and performance of deep-bar induction machines

Content Provider	IEEE Xplore Digital Library
Author	Zuorong Zhang Dawson, G.E. Eastham, T.R.
Copyright Year	1994
Description	Author affiliation: Dept. of Electr. Eng., Queen's Univ., Kingston, Ont., Canada (Zuorong Zhang; Dawson, G.E.; Eastham, T.R.)
Abstract	Deep rotor bar induction machines have good starting characteristics as compared with cylindrical bar squirrel-cage configurations. High starting torque is achieved by the speed-dependent secondary resistance. The variation of secondary resistance and leakage inductance determines the machine starting and acceleration performance. Conventional measurement methods can only provide nominal parameters under blocked rotor and no-load test conditions. This makes details of the dynamic parameters and an evaluation of the acceleration performance from standstill ill-defined. To determine the starting characteristics of deep bar induction machines, a knowledge of the dynamically varying parameters is needed. This report demonstrates the application of a new algorithm to identify the variable parameters of deep rotor bar induction machines, namely secondary resistance and secondary leakage inductance, based on the easily measurable terminal conditions of the machine, namely voltage, current and rotational speed. This algorithm is simply an algebraic operation, which is always stable and easily realizable and no convergence problems arise. Practical application of this method to an 18 pole, 60 Hz, 871 hp deep bar induction motor demonstrates the performance of the new parameter identification method.<>
Starting Page	62
Ending Page	66
File Size	371280
Page Count	5
File Format	PDF
ISBN	0780319931
DOI	10.1109/IAS.1994.345498
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1994-10-02
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Torque Current measurement Voltage Induction machines Acceleration Electrical resistance measurement Velocity measurement Inductance measurement Rotation measurement Testing
Content Type	Text
Resource Type	Article

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