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Year: 2010, Volume: 10, Issue: 4
... of field intensity (nT) 16000 15000 negative feedback closed controlled current source, which has three winding of the 14000 negative feedback open 13000 Helmholtz system as its load. 12000 11000 The current source control can be carried out analogically 10000 9000 or by a digital keyboard. In principle, the manual control can 8000 7000 ...
Year: 2010, Volume: 10, Issue: 4
... highlighted. Motor performance gk rate of change of inductance with respect to for variable load conditions is discussed. Frequency spectrum analyses of force profile using the fast Fourier ... reminds of the the motor are studied. The results shown in Table 5 are speed-load characteristic of a series DC motor. Fig.8 (b) obtained when the ...
Year: 2010, Volume: 10, Issue: 4
... dr € u ds € Rs ids € dqLs iqs (11) different load torques.* [rad/s] Steady state rotor angular speed [ ... different Vector control allows decoupled control of the flux and steady state speeds and mechanical loads. Sensitivity level electrical torque of induction motor, which is the condition of ...
Year: 2010, Volume: 10, Issue: 4
... Bayındır, "Measurement of Power Factor Using a capacitive load to the system when no current is drawn or ... the zero-cross method, the reactive power caused by inductive loads such detector have been applied at the inputs of ... the same, using measured and effect of unnecessary capacitive loading of multiplexers. Home electrical devices are grouped according ...
Year: 2010, Volume: 10, Issue: 4
... reached. converter; I l- armature current which is determined by the respective load torque. The following notations of state variables have been adopted for the first ... been carried out for the respective dynamic and static regimes at various working conditions and loads applied to the motor shaft. Fig. 9 shows some simulation results illustrating ...
Year: 2010, Volume: 10, Issue: 4
... . EXPERIMENTAL RESULTS For the technical verification of the control algorithms, an 1 electrical drive with induction motor was realized which consists of the induction motor 2.7 kW, load mechanism, 2 frequency converter with DC link and control system with modern digital signal processor. The digital signal processor TMS320F2812 is used in the control system [ ...
Year: 2010, Volume: 10, Issue: 4
... open-loop stimulation of the quadriceps subsequent stimulation pattern is calculated to substitute the alone. load by the lower limb while assuming a quasi-static Sitting down is far more difficult ... Engineering Volume 10, Number 4, 2010 threshold and maximal contractions; these were loaded as sitting down in paraplegia are implemented within an parameters into the control program ...
498. Control Strategy for Three Phase Voltage Source PWM Rectifier Based on the Space Vector Modulation
Year: 2010, Volume: 10, Issue: 3
... feasibility of windup strategy. Simulation results are presented for load this strategy. variations. INDEX TERMS €” PWM ... L is load current. the presence of multiple nonlinear loads;- improvement of the displacement power factor in ... and excellent power factor. An outer robustness against the load's disturbance of PWM rectifiers DC voltage loop is composed ...
Year: 2010, Volume: 10, Issue: 3
... initial voltage Ui, modification of the start time and load value. the heating of the machines windings [ ... especially at reduced start-up expressed in base quantities is: loads. In fig. 2b is presented the current's ... . 58-64. Parameter Identification of Large Induction Machines From No-Load [4] G. Raţƒ, M. ...
Year: 2010, Volume: 10, Issue: 3
... and improve the performances of IV. PASSIVE FILTERS filtering in function the netwok and load evolution while, The principle consists in inserting upstream the load one the passive ... are seen as being constraints during the control of the opening and closing as nonlinear loads which inject harmonic currents on the well. electrical network and draw non-sinusoidal currents ...
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