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Search results for: frequency
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Year: 2014, Volume: 14, Number: 3
... provide current calculations of VD1, two operational amplifiers DA1 and DA2, resistors measured results and manage the ADC and other R1-R8, capacitors C1-C3 (filters of high frequency noise) actions of the system. and switch S1 (changing the mode of operation: the 5. Digital LCD display. metering of the UVR or ...
Year: 2014, Volume: 14, Number: 3
... green harmonic (wavelength λ= 527 nm). The voltage supplied to the electrode setup is a high This is achieved in a system with a KDP crystal frequency voltage lightning impulse which is produced by a Marx converter and Wollaston polarizer. KDP crystal converts generator of rated voltage 500 kV and storage energy 2.2 kJ. ...
Year: 2014, Volume: 14, Number: 3
... system. Detailed information about dc-dc converter is given in [2]. These dc-dc converters are controlled by the same controller. Converters are operated at 35 kHz frequency. Dc-dc converters control is based on the current and voltage measurements of PV panels which are obtained by hall-effect sensors. Dc-dc converter circuit and designed power boards ...
Year: 2014, Volume: 14, Number: 3
... how eccrine stressed state and it presents a series of parameters (skin sweat glands influence the skin conductivity according to conductance response signal power, skin conductance response signal frequency, skin conductance level gradient, response rise the subject's current psychological state, measuring sites time and response amplitude) extracted only from the and recording methods are ...
Year: 2014, Volume: 14, Number: 3
... voltage DROughts ISLanding Stability Natural threats HAIlstorms transmission SHort circuit Transient HEAt waves LINe voltage Stability TORnadoes transmission BReak CURrent OVer current LIGhtning LINe THUnder power TOWer COllapse ANGle Low frequency RAInstorm Oscillation FIRes WILd fires INSulators INsulation Subsynchronou failure s Oscillation* HEAlth EPIdemics BUSbar MAlfunction Stability Loss disasters SHort circuit FAMines transformation TRAnsformer TRip Static angle SPAce IMPact ...
Year: 2014, Volume: 14, Number: 3
... windings, directional index 50% and 75% of high voltage winding so that internal faults (eq.(5 )), and tripping decision. Sampling frequency was could be generated. Transformer has three-limb core and 1,2 kHz. Input DAQ NI USB 6008 was fed by the following YNyn connected windings. ...
Year: 2014, Volume: 14, Number: 3
... signal is distributed with intervals). This sampling interval provides a suitable level of frequency f. This spectral density is a discrete-frequency accuracy ( 0.18 – 0.22 ... ) for locating irregularities in LV 35 Advances in Electrical and Computer Engineering Volume 14, Number 3, 2014 cables. Additionally, the instrument transfers the discrete- ...
Year: 2014, Volume: 14, Number: 3
... //dx.doi.org/10.1016/j.epsr.2013.05.016 [11] R. Silva, A. Delbem and D. Coury, "Genetic algorithms applied to phasor estimation and frequency tracking in PMU development," International Journal of Electrical Power& Energy Systems, vol.44, pp.921-929, Jan.2013. [Online]. Available: http: ...
319. The Peak Control Function and its Applications to Transmission Line Effects in Class D Amplifiers
Year: 2014, Volume: 14, Number: 3
... However, in most RFID systems the usage of a transmission tuned to the switching frequency and is supposed to present line is mandatory and this may introduce some novel ... defined limits. chokes to maintain an approximately constant current, the Index Terms — Radiofrequency identification, Switching current IMN that flows between M and N is a square ...
Year: 2014, Volume: 14, Number: 2
... University of Malaya, 50603 Kuala Lumpur, Malaysia wasif@um.edu.my Abstract — Radio frequency identification (RFID) is the coverage in a 3D space. The antenna ... proposed system is capable to locate the tags with lower technique with non-line-of-sight mitigation using low-frequency error. Even if the obstacles are placed in the test sound," ...
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