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Search results for: harmonic
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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: 2022, Volume: 22, Number: 3
...    Vi1  Vi2 B (33)   thereby reducing the harmonic content of the output,  1 ï€ 3DS  specified in Table III ... a stepped output with shading on the array is based on the array interconnection reducing harmonics, and to best handle during conduction of (series-parallel connections) m n ...
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: 2012, Volume: 12, Number: 1
... chosen as error of q-axis current and variation of be properly controlled. However, harmonic distortion in the this error. An anti wind-up integrator is used to improve ... of NFC in steady state. The gradient controlled current scheme. To reduce low-order harmonics, descent algorithm is used to train the NFC in direct adaptive either inverter ...
Year: 2014, Volume: 14, Number: 1
... with the fundamental, the rank 3 measurement is affected when relative the humidity exceeds harmonic has represented 13..17% and the rank 5 harmonic 70% and involved errors ... narrow bandwidth could remained under the exposure limits admissible for the be accepted if the harmonics content could be neglected). public. The maximum values of the magnetic ...
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: 2018, Volume: 18, Number: 1
... "A real-time extraction control scheme. Even for time varying solar insolation and of harmonic and reactive current in a nonlinear load for grid- different loading conditions, ... the PV array, and grid side converter The reactive power, voltage control and harmonics which consists of Grid Side-Voltage Source Converter (GS- current compensation methods are ...
Year: 2010, Volume: 10, Issue: 3
... dry "High impedance fault detection utilizing incremental variance of 1.0065 1 normalized even order harmonic power", IEEE Transactions on Power fault soil at bus 7 High impedance ... should be noted that in the wavelet packet unsymmetrical behavior of HIF current, even harmonics are analysis, a1 and d1 are called node 1 and 2, respectively ...
Year: 2009, Volume: 9, Issue: 1
... [2-4], this solution reduces the magni- tude of the first order harmonic of cogging torque. In the electrical machine, where the structure is symmetric ... 8]. Using a fractional number of slots per pole is another of its harmonics should be reduced properly. In theory, the proposed method [2 ] ...
Year: 2018, Volume: 18, Number: 1
... and the first belt of the BC is elastic. The belts endure significant axial harmonic of input phase current are practically in phase. strain for two main reasons ... poor power exploitation period for the facility. factor and the presence of higher order harmonics.- Torque control of individual motors in a multi-motor Transistor-type, or active ...
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