Electricity: motive power systems – Constant motor current – load and/or torque control
Patent
1996-12-12
1998-06-30
Masih, Karen
Electricity: motive power systems
Constant motor current, load and/or torque control
318254, 318138, 318439, 318434, 318798, 318815, H02P 700
Patent
active
057739447
ABSTRACT:
An electric machine control system includes a torque smoothing device including a torque monitoring device connected to the electric machine and supplying torque signals. A smoothing processor receives the torque signals and receives at least one torque reference signal and produces torque smoothing signals. A smoothing generator receives the smoothing signals and supplies smoothing electric power to the machine to make its torque conform to the torque reference.
REFERENCES:
patent: 4868477 (1989-09-01), Anderson et al.
patent: 5227703 (1993-07-01), Boothe et al.
patent: 5352963 (1994-10-01), Garand et al.
A. H. Samara et a, "Current Injection Method to Eliminate Harmonics in AC Power Systems", Conf. Record Industrial and Commerical Power Systems, May 2-6, 1993, St. Petersburg, US, pp. 85-91.
A. D. Crane, "The Control of Machine Current Harmonics in Load Commutated Inverter Induction Motor Drives", Fifth European Conf. on Power Electronics and Applications, vol. 6, No. II, 13-16 Sep., 1993, Brighton, United Kingdom, pp. 133-138.
Cegelec
Masih Karen
LandOfFree
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