On-line analysis of power quality problems in non-sinusoidal/non
Sep 1, The main effect of this development is the frequent use of non-sinusoidal voltage sources supplying non-linear loads at high power levels [4]. The periodic variations in load
Outdoor power supply non-sinusoidal
Nov 16, Variable Frequency Drive vs. Sinusoidal Supply in motor efficiency The scope of this standard is limited only to determine the additional harmonic motor losses resulting from
Power Components Analysis under Non-Sinusoidal Conditions
Oct 9, The power components analysis under nonsinusoidal conditions is presented in the paper. The main idea of such analysis is to model and simulate the different ways of
Modeling of non-sinusoidal modes of operation of the
1 Introduction The power converters, widely used in low-voltage industrial and urban networks, distort the current and voltage of the electrical network which negatively affect the operation of
Analysis of Non-Sinusoidal Waveforms
Nov 14, Due to the presence of non-linear devices in the system, voltages and currents get distorted from the sinusoidal. Thus it becomes necessary to analyse circuits in the presence of
Analysis of non-sinusoidal operating modes of electrical
Aug 7, Abstract The subject ofresearch: In the article was made the analysis of non-sinusoidal operating modes of electrical equipment in a power supply system with 6-pulse
Optimized Non-sinusoidal Power Supply in High-Power
Sep 24, A non-sinusoidal power supply is usually applied in a multiphase induction motor drive in order to improve the torque density with harmonic current injection. The harmonic
Non
Sep 27, Compared to the conventional three-phase system, multi-phase system is more suitable for high-power applications. In this paper, a mathematical model of non-sinusoidal
Probabilistic-statistical analysis of power and energy
Nov 1, The results of experimental studies of power and distortion energy (PDE) generated by enterprises with non-sinusoidal supply voltage of the industrial
Off-Line (Non-Isolated) AC/DC Power Supply
Apr 12, Applications in grid infrastructure, building automation, and appliances require a power converter to supply regulated DC voltage from AC mains. These include residential
Probabilistic-statistical analysis of power and energy
Nov 1, The results of experimental studies of power and distortion energy (PDE) generated by enterprises with non-sinusoidal supply voltage of the industrial
Mathematical models of non-sinusoidal power supply of
The article presents an approach to the development of mathematical models of non-sinusoidal and dual-frequency power supply for a linear induction MHD machine for metallurgical purposes.
An Online VSI Error Parameter Identification Method for
Sep 27, Voltage-source-inverter (VSI) nonlinearity compensation is an important scheme for improve motor performance. The traditional off-line method is cumbersome and the
What are non-linear loads and why are they a
Oct 8, A load is considered non-linear if its impedance changes with the applied voltage. The changing impedance means that the current
318454_1_En_3_Chapter 37.
Aug 25, Peculiarities in operation of machines of both types at non-sinusoidal power supply are compared; not only advantages are noted, but also shortcomings of machines with six
Whitepaper Harmonics in power systems
These static power converters used in a variety of applications draw non-linear (i.e., non-sinusoidal) currents and distort the supply voltage waveform at the point of common coupling
Harmonics and Harmonic Frequency in AC
Also most electronic power supply switching circuits such as rectifiers, silicon controlled rectifier (SCR’s), power transistors, power converters and other
INDUCTION MOTOR EFFICIENCY ESTIMATION UNDER
Aug 6, In this paper a new method is proposed for induction motor efficiency estimation under non-sinusoidal supply conditions - to take into account the presence of harmonics in the
INDUCTION MOTOR EFFICIENCY ESTIMATION UNDER
Mar 15, The space harmonics in a motor driven by a sinusoidal supply is caused by the non-sinusoidal distribution of the mmf produced in the air gap and the magnetic interaction of
WIRELESS
Jan 6, However, in general, it might be possible that one has better power efficiency when using non-sinusoidal waves as the power supply voltage. This paper proposes to use non
Titles
Jun 20, interpreted, like the reactive power in single-phase systems with sinusoidal voltages and currents, as a measure of the apparent power increase due to energy oscillations
Stator MMF Harmonics at Non-sinusoidal
Dec 3, One of these stages is determination of stator MMF harmonics at non-sinusoidal machine power supply, EMF frequencies in stator and
Simulation of non-sinusoidal modes in railway power supply
To measure the degree of reduction of harmonic distortion during the movement of locomotives with ATM, simulation modeling of non-sinusoidal modes of a typical 25 kV traction power
A new approach to single-phase systems under sinusoidal and non
Feb 8, It also embodies an interesting new approach with respect to traditionally accepted power theories, revisiting power concepts in both sinusoidal and non-sinusoidal systems with
Modeling of non-sinusoidal modes of operation of the
Dec 23, Abstract. In this article, power systems operating modes with both non- linear and linear loads and a capacitor bank are analyzed. In particular, the power supply systems of
Mechanical Power of Induction Motors with Non-sinusoidal Power Supply
May 1, Download Citation | Mechanical Power of Induction Motors with Non-sinusoidal Power Supply | When induction motors are powered by solid-state voltage and frequency
(PDF) Influence of non-sinusoidal power
Mar 1, Influence of non-sinusoidal power supply on the performance of a single-phase capacitor induction motor March Indonesian Journal
Geometric Algebra Power Theory in sinusoidal and non
Dec 28, The aim of this work is to present major upgrades to existing power theories based on geometric algebra for single-phase circuits in the frequency domain. It embodies an
An Online VSI Error Parameter Identification Method for
Dec 17, a non-sinusoidal power supply control technique which is based on airgap flux orientation [13]. The rms current is reduced by 10:5% when the motor operates at rated load.
Influence of non-sinusoidal power supply on the
Influence of non-sinusoidal power supply on the performance of a single-phase capacitor induction motor Omar Sharaf Al-deen Alyozbaky1,2, Mohd Zainal Abidin Ab‐Kadir2
Off-Line (Non-Isolated) AC/DC Power Supply
Apr 12, Applications in grid infrastructure, building automation, and appliances require a power converter to supply regulated DC voltage from AC mains. These include residential
Probabilistic-statistical analysis of power and energy
Nov 1, The results of experimental studies of power and distortion energy (PDE) generated by enterprises with non-sinusoidal supply voltage of the industrial
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