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Search results for: harmonic
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Year: 2014, Volume: 14, Number: 2
... achieved. Compared with the 2- and 3-level VSC, the MMC output voltage harmonic As shown in Figure 1, the MMC contains six symmetrical contents and switching ... number is counted. SMC uses the correct current is sine wave with high frequency harmonics. control frame of last period for SM control. 2) SM internal ...
Year: 2014, Volume: 14, Number: 1
... BLDCS with 90 slots and 10 and p is the number of pole pairs. poles (winding relative to a pole). Although the disadvantages related to the harmonic content of the stator magnetomotive force are presented, an In the case of winding with 9 slots and 10 poles, electrical machine with FNS/P offers ...
Year: 2014, Volume: 14, Number: 1
... is reached also the integrator is reset. shown that instability occurs with period doubling leading to a It has been shown that converters using this technique half switching frequency subharmonic. Computer simulations reject input voltage perturbations in exactly one switching confirm the validity of theoretical considerations. cycle and tightly follow the control reference very quickly. Index ...
Year: 2014, Volume: 14, Number: 1
... with the fundamental, the rank 3 measurement is affected when relative the humidity exceeds harmonic has represented 13..17% and the rank 5 harmonic 70% and involved errors ... narrow bandwidth could remained under the exposure limits admissible for the be accepted if the harmonics content could be neglected). public. The maximum values of the magnetic ...
Year: 2013, Volume: 13, Number: 4
... and Computer Engineering Volume 13, Number 4, 2013 Least Squares Modeling of Voltage Harmonic Distortion Due to PC Cluster Operation Saša MUJOVI†1, Slobodan DJUKANOVI†1, Vladan RADULOVI†1 ... h-th harmonic voltage, respectively. These values are third, fifth and other odd harmonics are generated, resulting given in percentage. in total current harmonic distortion ( ...
Year: 2013, Volume: 13, Number: 4
... methods; whereas the drawbacks are concerning power signals containing harmonic and interharmonic the need of highly developed hardware. ... made even if voltage dips measurement system dedicated for the harmonics, voltage or swells appear. The virtual instrument ... ; (7) brings errors in the case of interharmonics and fundamental ƒ ƒ k, c € ...
Year: 2013, Volume: 13, Number: 4
... is also known that peak current control offers fast over-current switch protection [15]. In PFC applications, the peak or valley control inherently lead to line current harmonic distortion and several solutions for reducing this distortion have been proposed [10], [11] by biasing the reference waveform. On the other side, ...
Year: 2013, Volume: 13, Number: 4
... ‚ 100% (8) |T| -value Figure 12. Dynamic plot of average precision, recall and F-Measure versus F-Measure, which is defined as the harmonic mean of threshold . Performance is averaged across different websites. precision and recall value, is also used to measure the performance of our method. For ...
Year: 2013, Volume: 13, Number: 4
... ) time domain Figure 7. Time-domain simulation results for triangular wave input current at n port and square wave input current at p port. Figure 10. Total harmonic distortion for 50MHz current input Figure 8. Time-domain simulation results for sinusoidal input currents at n and p ports. In order to determine the total harmonic distortion ...
Year: 2013, Volume: 13, Number: 3
... linear. The results obtained are recognize arm gestures with 3D motion primitives made promising, and they show that this approach is robust and invariant to rotation by spherical harmonic basis functions. appropriate for detecting such hand gestures. Furthermore, In [5] a comparison between gesture recognition based on by using this method, we ...
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