Digital Current-Control Schemes [PDF]
, 2009 The paper is about comparing the performance of digital signal processor-based current controllers for three-phase active power filters. The wide use of nonlinear loads, such as front-end rectifiers connected to the power distribution systems for dc ...
Limongi, Leonardo +3 more
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DEVELOPMENT AND INVESTIGATION OF FILTRATION METHODS OF MANY-PHASE INDETERMINATE SIGNALS
Міжнародний науково-технічний журнал "Проблеми керування та інформатики", 2007 The pick out algorithms of the main harmonics from many-phase signals, which are subjected to influence of high-frequency noises and unknown constant displacements, are developed and investigated. The algorithms demand neither external information about
E.M. Potapenko +2 more
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Fast non-recursive extraction of individual harmonics using artificial neural networks [PDF]
, 2005 A collaborative work between Northumbria University and University of Peradeniya (Sri Lanka). It presents a novel technique based on Artificial Neural Networks for fast extraction of individual harmonic components. The technique was tested on a real-time
Wijayakulasooriya, Janaka V. +2 more
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Applied SciencesThe bridge arms and DC voltage of China’s Four-Terminal Flexible DC Transmission Project exhibit persistent high-frequency harmonics over the medium to long term, causing issues such as overheating losses and electromagnetic interference within the ...
Qing Huai +3 more
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Bispectrum of stator phase current for fault detection of induction motor
, 2009 A number of research studies has shown that faults in a stator or rotor generally show sideband frequencies around the mains frequency (50 Hz) and at higher harmonics in the spectrum of the Motor Current Signature Analysis (MCSA).
Gu, Fengshou +5 more
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Multivariable Repetitive-predictive Controllers using Frequency Decomposition [PDF]
, 2012 Repetitive control is a methodology for the tracking of a periodic reference signal. This paper develops a new approach to repetitive control systems design using receding horizon control with frequency decomposition of the reference signal.
Rogers, E +7 more
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Unipolar stitched inverter low-frequency harmonics caused by stitching delay
, 2009 Unipolar switched single-phase inverters experience lower switching losses and generate less electro-magnetic interference (EMI) when compared with bipolar switched inverters.
Sharma, R., Ball, J. A. R.
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Magnitude-Reshaping Strategy for Harmonic Suppression of VSG-Based Inverter Under Weak Grid
IEEE Access, 2020 Driven by inertial demand from the grid, the virtual synchronous generators (VSGs) are widely utilized in distributed generation systems. However, harmonic sources in the distributed generation systems with high grid impedance will cause grid voltage ...
Wen Yang +3 more
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Sensorless position control of permanent magnet motors with pulsating current injection and compensation of motor end-effects [PDF]
, 2011 The sensorless position control of permanent-magnet motors is successfully implemented by superimposing a high-frequency voltage signal on the voltage reference or adding a high-frequency current signal to the current reference.
G Pellegrino +13 more
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LCCR Filter Design Method and High‑Frequency Current Harmonic Suppression in PMSM
Nanjing Hangkong Hangtian Daxue XuebaoThe switching current harmonics caused by pulse width modulation（PWM） leads to overheating of the drive motor in vacuum environment， which affecting the reliability of the molecular pump.
WANG Tianzuo +3 more
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