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Search results for: harmonic
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71. Improving Voltage Profile and Optimal Scheduling of Vehicle to Grid Energy based on a New Method
Year: 2018, Volume: 18, Number: 1
... University of Tabriz, Tabriz, 51666-16471, Iran nazarloo@tabrizu.ac.ir Abstract €” The electric vehicles (EVs), depending on the shaving and valley filling, and harmonic eliminations can be charging or discharging modes, can act as flexible loads or as achieved easily. In fact, the EVs are flexible loads or flexible energy ...
Year: 2018, Volume: 18, Number: 1
... dB/Hz) Sitting which can be calculated by summing the corresponding -20 column. The third parameter is the F1 score, which can be defined as the harmonic mean of precision and recall. F1 -40 takes on a value between 0 and 1, where 1 means that all test -60 samples are correctly classified. ...
Year: 2017, Volume: 17, Number: 4
... compensation as well as controllers are usually used to control D-STATCOM devices. for the harmonic elimination [4]. D-STATCOM device used in a wind power distribution system ... voltage of conventional devices such as switched capacitor groups and amplitude and the elimination of harmonics are both Static Var Compensator (SVC) to improve the power quality. ...
Year: 2017, Volume: 17, Number: 4
... technique by injecting the third waveforms and the current through the boost inductance. It harmonic into the PWM signal. In [7, 8], the three-phase ... that increase the power factor and eliminate certain Figure 1. Direct boost AC-AC converter harmonics. References [5 ,6] study a single phase AC converter with ...
Year: 2017, Volume: 17, Number: 3
... IPMSM drives was designed the rated speed at constant voltage. This enables for using the speed error and its change [22]. A robust nonlinear minimizing the harmonic losses of the IPMSM [3-6]. speed controller for IPMSMs based on MTPA with However, their operation over a wide speed range in both harmonic decrease ...
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: 2017, Volume: 17, Number: 2
... learning a set of functions in time domain. molecules are tagged to musical instruments. Each atom is a These basic functions perfectly encode the sound signal sum of harmonic parts whose amplitudes are specific to one using statistical methods. First, some particular basis instrument, and each molecule is constructed from several functions are chosen and ...
Year: 2017, Volume: 17, Number: 2
... . The microcontroller is used from the devices; in most cases, the noise from the electrical low-power family, so the total current consumption will network and the harmonics of this disturbing signal are be approx. 43mA (having activated the needed added to those aforementioned. Thus, the 50/60Hz peripherals) in normal ...
Year: 2017, Volume: 17, Number: 1
... faults), a dominant for low load conditions, transient analysis is discussed. component in motor vibration signal has pure periodical Advanced techniques like Digital, Continuous or Harmonic nature: Wavelet Transforms can be applied to obtain reliable broken xh (t) € X m cos€t €, (1) bar feature during a startup ...
Year: 2017, Volume: 17, Number: 1
... and whisper spectral differences between speech and whisper still that was used in the experiments of this paper. With remain. Due to the lack of periodic excitation and harmonic examples from Whi-Spe corpus, Section III introduces the structure, whisper does not have fundamental frequency thus most important acoustical characteristics of whispered either the most prosodic features ...
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