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Search results for: harmonic
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Year: 2014, Volume: 14, Number: 4
... result some of the fault effects may remain active even to determine the most suitable harmonic frequencies to be after disconnecting the faulty phase. analyzed to detect such faults ... to identify the most suitable by analyzing the ninth spatial harmonic of the magnetic field harmonics of the stator currents and the ZSVC to be used as in the air ...
Year: 2014, Volume: 14, Number: 3
... as the one Ytterberg method is essentially the category of synthetic above are estimated, this representing a substitute for the loads. Its opportunity from multiple perspectives is usual harmonic tests. highlighted in time in publications [1-6], and books addressing trials of electrical machines [7-8]. According to II. THEORETICAL RESULTS this ...
Year: 2014, Volume: 14, Number: 3
... . PF analysis for the current power source im For calculating the THD, total harmonic distortion of the input current, the following equation was used: IV. ... leads to the Index Terms €” choppers, circuit simulation, power minimization of the harmonics for the current supplied by conversion. the power source. The circuit can ...
Year: 2014, Volume: 14, Number: 3
... test cell (a) and point-plane electrode setup (b) may not be used directly to take the photos, it is converted into its second, 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 ...
Year: 2014, Volume: 14, Number: 3
... relay can be improved by using On the basis of laboratory measurements and simulations the harmonic based methods [6 ], [7 ], directional supervision [6 ... Advances in Electrical and Computer Engineering Volume 14, Number 3, 2014 level of harmonics and a decaying dc component. Owing to- I0-G- rms indicator for ...
116. The Peak Control Function and its Applications to Transmission Line Effects in Class D Amplifiers
Year: 2014, Volume: 14, Number: 3
... and current-mode ([ 4 €“ 6], unwanted harmonic components. For the present application [7] ... peaks in the system frequency a high impedance to the harmonics contained in the voltage response functions. If not ... in Section VI for which the peak called amplifier with multi-harmonic termination. However, control function indicates that the ...
Year: 2014, Volume: 14, Number: 2
... reference currents and inverter topology. airgap can be estimated by its first and third harmonic In [18] [22-23] stator reference currents are optimized to components ... DC environment. Considering first and third outer-rotor in-wheel type of five-phase BLDC machine with harmonics, the transformation equation is written in (4) at a two-layer winding ...
Year: 2014, Volume: 14, Number: 2
... , third efficiency of five-phase permanent magnet machines. Open harmonic of current can also be used to modify the ... stator copper dt loss is obtained when stator current third harmonics are set d qs 3 to zero [16 ... of five- 2004. phase permanent magnet motors with third-harmonic back-EMF" [3] A. M. ...
Year: 2014, Volume: 14, Number: 2
... and Computer Engineering Volume 14, Number 2, 2014 For the five-phase machine the harmonic rank is given by 10n ‚ 5 zero sequence components. the following expressions ... [17]. The simulations and experimental tests. content in high order spatial harmonics is also smaller [8]. And finally, but a key point ...
Year: 2014, Volume: 14, Number: 2
... , P. Poure, S. Saadate, M. Machmoum, '€˜ Variable speed Australasian, 1-6, 2010. DFIG wind energy system for power generation and harmonic current [5] F. Iov, M. Ciobotaru and F. Blaabjerg, "Power electronics control of mitigation,'' Renew Energy J 2009 ...
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