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Search results for: frequency
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Year: 2011, Volume: 11, Number: 2
... possible solutions load flow equality and operational inequality constraints simultaneously [12]. GA has been applied to many problems [13]: including stability studies, load frequency control, unit ƒ ND ƒ commitment, reactive power compensation, and V/Q /THD ƒ ƒ (adj € bdj PDj € cdj PDj) ...
Year: 2011, Volume: 11, Number: 2
... relation between a compensated Electronic equipment which consists of a rectifier circuit is system crossover frequency and the input current distortion an example of the equipment that draws harmonic currents ... to control the input current of a PFC converter comprises a voltage ripple with twice line-frequency. circuit to follow a rectified line voltage waveform for a high This affects ...
Year: 2011, Volume: 11, Number: 2
... microwave field is custom embedded system. The microwave power generator modulated with a specific frequency. designed with this method can be programmed for output microwave pulses down to ... microwave field. On each 4U 0 ƒ— half cycle of the oscillation, the radiofrequency field pattern 2 e B0 € 2 (2) will change its polarity ...
Year: 2011, Volume: 11, Number: 2
... is taken as a specific wavelet operator completely characterizes the processes of function possessing a finite base both in coordinate and transformation of the Stokes vector S by phase- frequency spaces, then one can expand into series [18, 32] inhomogeneous layers [13, 20, 28] the one-dimensional distribution of ellipticity €x ...
Year: 2011, Volume: 11, Number: 2
... 11, Number 2, 2011 can be operated as a phase shifting transformer to produce a In comparison with PST, the leakage reactance and the voltage with constant frequency at standstill while the rotor magnetizing current of an RPST is more significant due to windings are left on open circuit. It is interesting to note distributed windings ...
466. Accurate Analytical Multiple-Access Performance of Time-Hopping Biorthogonal PPM IR-UWB Systems
Year: 2011, Volume: 11, Number: 2
... waveform with duration T p and UWB symbols are transmitted with short pulses (< 2 ns), in ‚ IR-UWB systems, energy has been spread over the frequency bands of up to 10 GHz. In order to flatten out the normalized energy ƒ €‚ p 2 (t )dt € 1. T f is ...
467. On Line Current Monitoring and Application of a Residual Method for Eccentricity Fault Detection
Year: 2011, Volume: 11, Number: 1
... Residual of phase C in the presence dynamic defect 8 —, number of peer pole 1, Moment of inertia j=0.0045, RESIDUA WITH FAULT MIXED power frequency f=50 Hz, Average radius of the gap 0.1 r=55.7*10-3m, machine length l=0.1m, number of stator slot Ns= ...
Year: 2011, Volume: 11, Number: 1
... thus the need of convolutive mixtures were introduced to describe frequency frequency domain or subband processing arise. We propose ... , finally the recovered sources are frequency domain algorithms (frequency-domain BSS) [9]. recomposed from the ... and T. Dahl, "Blind Source Separation for Time-Frequency Masking for Speech Recognition in Multitalker Convolutive Mixtures Using ...
Year: 2011, Volume: 11, Number: 1
... =f (NPC) function with simple mathematical variables, like ratio of short circuit current to fundamental- expressions which include these effects. In the paper authors frequency load current ISC/IL, [20], short-circuit ratio (RSC) are proposing an improved mathematical expression to presents impact of load side (DC ...
Year: 2011, Volume: 11, Number: 1
... in Section IIIc. Verification of the continuous stator voltage vectors obtained by Space Vector proposed solution by simulation and experiment is given in Modulation technique with the constant switching frequency Sections IV and V. Results are discussed and remarks are [5]- [8]. given on controllers' performance. Conclusion is given in ...
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