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Search results for: harmonic
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Year: 2011, Volume: 11, Number: 2
... INTRODUCTION control technique [13], a fast response in output voltage From the harmonic problem in utility system, the limit control can be achieved. The effect ... been to the input current harmonic distortion has been discussed defined in an international standard harmonics regulation. in [14]. However, only the relation between a ...
Year: 2007, Volume: 7, Issue: 2
... the Ulin Ulin Urec other connection type. For more conclusive results, the V harmonic content of generated voltage and current under A B C different working conditions has ... hybrid synchronous generator (H.S.G.), star A connection, delta connection, harmonics analyses I. INTRODUCTION a. star connection The studied H.S.G. includes two ...
Year: 2021, Volume: 21, Number: 1
... EKF calculation time is relatively long. The SVF represents amplify the noise and higher harmonic components in the an effective tool for the input grid voltage vector low-pass input ... when higher PLL dynamic performance for large frequency and phase filtering is required of higher harmonics and measurement variations, and, also, its sensitivity in relation to base ...
Year: 2020, Volume: 20, Number: 2
... model are the hour and the day of each solar irradiation measurement. The deterministic harmonic [4]. Kaplanis and Kaplani also improve the model process is modeled ... cosine harmonic on sun zenith's angle and sun's declination finds the coefficients of two-dimensional cosine harmonics of angle [5]. Kaplani and Kaplanis finally improve a stochastic the ...
Year: 2019, Volume: 19, Number: 2
... in [11], the failure of BRB in the IM: Lower Sideband Harmonic authors present the MUSIC technique for a VSD-Fed IM (LSH) and Upper ... complicated analysis during the startup concern. transient condition owing to the large number of harmonics, Several methods and techniques have been used recently which the VSD insert to ...
Year: 2017, Volume: 17, Number: 3
... by the phase distorted power signal with oscillatory transient and 5th factor (2) harmonic is given in Fig. 4 (a) and 150 Hz, 250 ... studies, the synthetic signals used for neural network training are modified by adding the harmonics detected in the real of such systems. There are some studies using LabVIEW ...
Year: 2019, Volume: 19, Number: 2
... model, required in the AC integration method for power quality voltage sag and current harmonic distortion were used as issues such as frequency stability, phase angle adjustment destructive ... . In this method, a general case and different were compared in terms of harmonics suppression and locations were gradually evaluated by considering the dynamic performance. Hybrid energy ...
Year: 2023, Volume: 23, Number: 1
... . Advanced based Discontinuous Pulse Width Modulation schemes. The Bus-Clamping PWM schemes provide low harmonic DSVPDM schemes are validated for a 11.5 kVA two-level distortion than DPWM by applying ... bus utilization and reduced ensures that the pulse width is always greater than ON time harmonics compared to SPWM [3-4]. SVPWM provides full of switching devices [ ...
Year: 2016, Volume: 16, Number: 2
... and no coupling transformer are used, so transformerless single-phase AC voltage regulator based on harmonic level is too high. In the studies given by [6] - ... switches, one inductor and one capacitor. A closed loop transformer to snub the harmonics of the chopped wave control system is implemented for the proposed regulator form. ...
Year: 2013, Volume: 13, Number: 1
... compensation and partial calculation and the reverse transformation into the phase compensation of the current harmonic distortion. The coordinate system [14-19]. In [20], ... It can be seen that the low The VSI consists of a Semikron SKM100GB123D-type order harmonics are practically missing in the harmonic IGBT three-legs bridge. The main parameters of ...
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