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Search results for: frequency
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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 ΔPtw 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
... 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: 2010, Volume: 10, Issue: 3
... conventional protection will not operate [53]. comparative tables and graphs demonstrating the frequency of Reference [3] explains that over current devices fail to each high ... . Reference [117] described the use of multiple techniques such as time-time and time-frequency transforms algorithms to detect various types of faults and the use of an combined ...
Year: 2015, Volume: 15, Number: 1
... ]. However, control of DC bias current in the signal line with constant frequency response should be structure of current conveyor (allowing Rx or gm control changed ... AECE Advances in Electrical and Computer Engineering Volume 15, Number 1, 2015 or high-frequency components suddenly occur. Now, the [21,30,32] ...
75. 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: 2011, Volume: 11, Number: 4
... noise. Recently, a quantile-based Equation (1) is equivalently described in the frequency noise estimation method, which does not require the VAD, domain as has ... Advances in Electrical and Computer Engineering Volume 11, Number 4, 2011 Line Spectral Frequency-based Noise Suppression for Speech-Centric Interface of Smart Devices Gil-Jin JANG1, Jeong-Sik PARK2, ...
Year: 2015, Volume: 15, Number: 3
... (0.13-1 Hz) system of the fetus that may cause changes in FHR during frequency spectrum. We implement the algorithm for segments oxygen deficiency [4]. ... ANNOTATIONS OF RECORDINGS [15]: low frequency LF (0.03-0.07 Hz), mid-frequency MF Annotation Average Minimum Maximum (0.07-0.13 Hz), and high frequency HF ...
Year: 2010, Volume: 10, Issue: 1
... feeling. The combined effect of a better solution is splitting the signal into several frequency multiple sound reflections within a room is called natural bands and providing an echo ... NLMS filter order, step size, but different types of frequency sub-band and a low-frequency sub-band, each filters. The best window was found to be the Kaiser's ...
79. The Study of the Electromagnetic Shielding Properties of a Textile Material with Amorphous Microwire
Year: 2011, Volume: 11, Number: 1
... ,- Carbon-based plastic composite materials; reflection and polarization;- determination of the frequency range within which these- Ferrite and magnetic powder materials [4 ]; ... the measurement of the shielding factor within 21 1 17 12 75-150 15-20 0.2-0.5 the radiofrequency and microwave ranges. 18 Advances in Electrical and Computer Engineering Volume 11, ...
Year: 2009, Volume: 9, Issue: 1
... that the rotor speed is estimated from In the following we discuss about the slip frequency and easily available voltages and currents of the induction speed estimation using monitored stator ... said before, the induction motor speed estimator is based on the introduction of a constant-frequency carrier signal in the stator currents. For that the PWM reference voltage ( ...
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