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Search results for: frequency
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Year: 2015, Volume: 15, Number: 2
... current with a controllable power factor in contrast to the turn-on and turn-off timing by using possessing high- conventional LCI system. It is achieved that the total harmonic frequency switching devices such as MOSFETs and IGBTs distortion (THD) of the injecting currents for the different [3]. The total losses of this inverter are ...
Year: 2010, Volume: 10, Issue: 2
... , PMDC-PMSG systems are mathematically synchronous generator is coupled and driven by a permanent modeled and simulated in MATLAB&Simulink software. Then magnet synchronous dc motor. A frequency cyclo-converter the results are discussed. A low power permanent magnet has been used for the output voltage regulation. The motor synchronous generator is driven by a permanent ...
Year: 2014, Volume: 14, Number: 4
... : a separable, multimodal elements of vector X. function based on cosine modulation. ‚ Ackley function (Ack): a multimodal function with a b) Frequency Modulation Sounds Parameter narrow chasm with ragged wide flat area at the top. identification (FMS) The purpose of this task is to determine the proper values ...
Year: 2023, Volume: 23, Number: 1
... solar based motor Reference Temperature 25 C drives. A motor like IM can be used for variable speed Reference Short Circuit Current 25 A application by providing a variable frequency source [26]. Reference Open Circuit Voltage 8V As the frequency of the stator current is varied, the speed MPP Voltage Reference 7V can be accordingly ...
Year: 2015, Volume: 15, Number: 3
... control techniques. For active of the harmonics mitigation methods is to use active filter, filter applications, a variety of control techniques can be which has a static frequency converter component. So, the specified: linear control [5-8], hysteresis control [9-12], use of static converters in variable speed drives, ...
Year: 2017, Volume: 17, Number: 4
... This is achieved by the elimination of costly, heavily, and bulky transformer controlling the amplitude of the voltage of the DC link [24]. This line frequency transformer conduces to power capacitors (v dc). losses. Good dynamic system response is achieved with The solution of the equations in ABC coordinate axis Phase ...
Year: 2014, Volume: 14, Number: 3
... j1t experience provides quantitative information on the required u 2 € U 2 e j 2 € U 2 e j 2 t (1) relationship of voltage and frequency of the two sources. Consequently, the terminal behavior of the machine is where, U1, U2 are maximum values, respectively: well defined for practical ...
Year: 2010, Volume: 10, Issue: 1
... converters drawbacks; the third phase current flows through the DC is developed. Compared to already available control schemes, link capacitors. So they are exposed to low frequency the proposed controller is very simple to derive and implement; harmonics which calls for bigger DC link capacitors. however, it is established on a strong mathematical ...
239. Adaptive Quality Control Scheme Based on VBR Characteristics to Improve QoE of UHD Streaming Service
Year: 2019, Volume: 19, Number: 1
... even if there is no intervening traffic video as clearly and smoothly as possible. Initial playback on the network. The client experiences unnecessary quality latency, playback interruption frequency, and playback changes that result in QoE degradation [14-15]. interruption duration are metrics of the video waiting times. The initial playback latency due to ...
Year: 2015, Volume: 15, Number: 4
... 6 biased with DC multiplier, and is extrapolated to linear parameter tuning of current source I bias2. Under this deployment, transistors M 3, a very low frequency 4th order BPF. Another example of M 4, M 5, M 6 implement a translinear loop. For subthreshold parallel differential pairs was reported in [ ...
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