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An adaptive speed sensorless observer for induction motor drives
IECON '98. Proceedings of the 24th Annual Conference of the IEEE Industrial Electronics Society (Cat. No.98CH36200), 2002An adaptive speed sensorless fourth order observer for online estimating rotor flux and speed in induction motor drives is presented in the paper. The synthesis procedure of the adaptive observer is based on the hyper-stability theory. Assuming the speed as unknown parameter of the rotor flux observer, the online identification process of its value has
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Control of Induction Motor Drives
1985When comparing the dynamic model of a separately excited DC machine, Eqs. (5.1–5.4), Fig. 5.4, with that of an AC induction machine, Eqs. (10.38–10.41), Fig. 10.16, it is obvious that the latter represents a much more complex control plant. This is caused by the fact that the main flux and the armature current distribution of a DC machine are fixed in ...
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Output filters for PWM drives with induction motors
Conference Record of 1997 Annual Pulp and Paper Industry Technical Conference, 1998When an induction motor is energized from a pulse width modulated (PWM) inverter, through long connecting cables, its insulation system can be severely stressed. The high dv/dt voltage pulses at the output of the inverter cause traveling waves in the connecting cable between the inverter and the motor. When the traveling wave reaches the motor, a large
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Concatenated induction motors for rolling mill drive
Proceedings of the American Institute of Electrical Engineers, 1914The paper describes a six-speed concatenated induction motor set for driving the finishing rolls of a 12-stand continuous mill. Analysis of the conditions in this mill showed that the use of a low-pressure turbine would lead to the waste of a large amount of exhaust steam and that the alternating-current turbine plant which was in operation had ample ...
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Induction motor drive for battery vehicle
1978A 9 phase transistor inverter fed induction motor for a battery vehicle with direct wheel drive is discussed. A new method of motor voltage control by pulse, width modulation, where the phases are interlaced in a manner to conserve continuity of the supply current, is described.
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Parameter identification of induction motor drives
Automatica, 1995Christiaan Moons, Bart De Moor
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Induction motor simulation for the computer aided design of induction motor drives
2010An inverter induction motor drive simulation program for use in power electronic design has been written. The various components which must be represented in an inverter induction motor simulation program are described. The induction motor equations are considered and a simplifying transformation is used in the simulation program.
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