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Search results for: frequency
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Year: 2015, Volume: 15, Number: 3
... 0.533. Therefore, the dc bus voltage was around 400 V. The other values for V pv and D could have been chosen as well. The operating frequency was set to f sw= 60 kHz. The large electrolytic capacitor C 2 serves as a dc bus capacitor and the resistor R 6 simulates a load ...
Year: 2015, Volume: 15, Number: 3
... . if the query is initiated at time t. Information such as the type and number of processors, The actual structure of the function depends on the operating frequency, memory, etc. has no direct impact on selected machine learning method. the final profile, for example as parameter values in the Furthermore, the ...
Year: 2015, Volume: 15, Number: 3
... l ƒ— L ƒ—C (1) Thus, locally, each IMF contains lower frequency for direct component, and: oscillations than the previously extracted one. The ... Figure 9. The single-phase model of the analyzed system not be separated in the time-frequency domain. The transmission lines with the following characteristics were analyzed: ‚ A ...
284. Fault Detection and Localization in Transmission Lines with a Static Synchronous Series Compensator
Year: 2015, Volume: 15, Number: 3
... service. This approach is based on compensating the zero traveling waves, avoiding low frequency interference generated sequence voltage injected by the SSSC. Although this by the system ... P.K. Dash, J. Moirangthem and S. Das, "A new time-frequency despite the SSSC presence. The developed algorithm was approach for distance protection in ...
Year: 2015, Volume: 15, Number: 3
... Motivated by the where ‰ r denotes the secondary angular speed and ‰-‰ r above discussion, an attempt is made in this paper to provide represents the slip angular frequency( € r ‚ sl). a survey in field-weakening speed control of LIMs The thrust developed by the machine can be expressed as: considering the ...
Year: 2015, Volume: 15, Number: 2
... in both active and sleep state batteries for energy storage. It also uses pulse frequency based on the power consumption. To maintain the voltage modulation (PFM) ... CCM) is obtained by the Mica2, Processor Radio State averaged modeling. The high-frequency switching ripples in MPR400CB, State the inductor current and capacitor voltage waveforms are ...
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: 2015, Volume: 15, Number: 2
... filtering in conjunction with paper is aimed at providing further validation regarding a new stepped frequency signals which can be included in the technique for detecting and localising defects in ... two sets of sent-received pairs of signals: for a given fixed Figure 3. Time-frequency mask with usage and direction of iterations position of the ultrasound transducers, one ...
Year: 2015, Volume: 15, Number: 2
... AGC) is to achieve better implement more and more efficient algorithms to deal with frequency regulation and maintain the tie-line power flow at the complex AGC problems. The ... PID controller ”Ptw incremental real power generated from hydro based on imperialist competitive algorithm for load-frequency control turbine of power systems," ISA T, Vol. 52, ...
Year: 2015, Volume: 15, Number: 2
... Method, used by The usual soil resistivity's are in the range 50 to 1000 different authors in [3-7]. These authors transformed the Ωm. At power frequency the depth of penetration is between differential equation that governs the physical phenomenon 459 to 2054 m, whereas the size of typical grounding into an equivalent boundary integral ...
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