variable-pulse-width technique
Field Programmable Gate Array (FPGA) Based Speed Control of 3-Φ Induction Motor Drives
... of Variable-Voltage Variable-Frequency (VVVF) method based on sinusoidal pulse width modulation technique (SPWM) for a three phase induction motor using a ...where variable ...
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Pulse Width Modulation Based Adaptive Hysteresis Current Controller Using Intelligent Technique
... Fuzzy logic unlike Boolean or crisp logic, deal with problems that have vagueness, uncertainty or imprecision and uses membership functions with values varying between 0 and 1. Fuzzy logic uses fuzzy set theory, in which ...
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Pulse Width Modulation Technique Based FPGA Implementation of Ac Motor Speed Control
... a pulse width modulation is used to regulate the current sent to the ...This technique is used to control the power to inertial electrical devices, made practical by modern electronic power ...the ...
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Various Pulse Width Modulation Techniques for Asymmetrical 7 Level H Bridge Inverter and Introduction to Variable Frequency Technique
... (MLI), Pulse Width Modulation (PWM), Phase Deposition Pulse Width Modulation (PDPWM),Phase Opposition Deposition Pulse Width Modulation (PODPWM), Alternate Phase Opposition ...
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Comparison of Various PWM Techniques for Field Oriented Control VSI Fed PMSM Drive
... sinusoidal pulse-width modulation (SPWM) technique produces a sinusoidal waveform by filtering an output pulse waveform with varying ...the pulse- width patterns of the output ...
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Two Level Inverter Based on Space Vector Pulse Width Modulation Technique
... of variable voltage & frequency supply to the AC drives from a three phase voltage source inverter (VSI) by using different types of Pulse Width Modulation (PWM) ...Vector Pulse ...
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Wireless Power Transfer System Using Variable Frequency Asymmetrical Pulse Width Modulated For Multiple Harmonics Analysis
... a variable recurrence and obligation ...recurrence. Variable recurrence control plot executed for following the most extreme force remote force move ...
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Digital Speed Control of DC Motor for Industrial Automation using Pulse Width Modulation Technique
... The rheostat control method is suitable when speeds below the no-load speed are required. With a constant supply voltage, the voltage across the armature is varied by inserting a variable rheostat in series with ...
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Analysis of Space Vector PWM for Three Phase Inverter and Comparison with SPWM
... any pulse width modulation technique is to obtain variable output voltage having maximum fundamental component with minimum harmonics by switching the inverter power devices on and off many ...
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Evaluation of a Pulse Width Modulated Bypass Nozzle for the Development of a Variable Load Residential Oil Burner
... a variable load oil burner, Drabo et ...the technique of flash atomization to simultaneously achieve reduction in the fuel firing rate and a reduction in the droplet mean di- ...this technique, which ...
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Operation of Induction Motor with Different Modulation Index
... drives, Pulse width modulation inverters are very ...of Pulse width modulation (PWM) schemes are available to obtain variable voltage and frequency from an ...Sinusoidal pulse ...
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Room Temperature based Fan Speed Control System using Pulse Width Modulation Technique
... This paper presents the design and simulation of a novel fan speed control system based on room temperature using Pulse width Modulation Technique. The duty cycle is made to vary according to the ...
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DVR using Diode Clamped Multilevel Inverter with Phase Disposition Pulse Width Modulation Technique
... In Figure. 5, it represents the waveform of grid voltage. The voltage sag occurs between 0.1 Sec to 0.3 Sec. The DVR voltage is injected as shown in Figure.6. The corresponding carrier pulse is generate. The ...
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Room Temperature based Fan Speed Control System using Pulse Width Modulation Technique
... Microcontroller essentially consists of Central Processing Unit (CPU), timers and counters, interrupts, memory, input/output ports, analog to digital converters (ADC) on a single chip [9]. With this single chip ...
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DVR Using Diode Clamped Multilevel Inverter with Multicarrier Based Pulse Width Modulation Technique
... disposition pulse width modulation(APOD). In POD technique, four carrier waveforms are arranged so that all carrier waveforms above zero are in phase and they are 180 degrees out of phase with those ...
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A Novel Approach to Harmonic Minimization Method for Single Phase Inverter without an Output Filter
... sinusoidal pulse width modulation, single pulse width modulation, multi pulse width modulation, selected harmonic elimination, modified carrier wave signal or reference sine wave ...
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A NOVEL RANDOM CARRIER FREQUENCY MODULATION TECHNIQUE FOR DRIVE APPLICATIONS
... The converters are controlled by a diagonal switching frequency pulse width modulation technique that results in significant harmonic intensity at the switching frequency. Random PWM is widely used to ...
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Design and Simulation of Interleaved DC-DC Boost Converter for Stand-alone Systems Using Solar Panel
... For simulation circuit, solar panels are connected in series and an output of 150VDC is obtained. This voltage is given to interleaved DC-DC boost converter as an input, it boost up the voltage from 150VDC to 300VDC by ...
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ANALYSIS OF KERF WIDTH AND CUTTING SPEED CHARACTERISTICS OF ALUMINIUM/TUNGSTEN CARBIDE COMPOSITES USING TOPSIS METHOD
... Pulse on time, pulse off time, current, wire feed, reinforcement percentages are the machining parameters considered in the study. Scanning Electron Microscope (SEM) was employed to investigate the effect ...
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Three Level Three Phase Cascade Dual-Buck Inverter With Unified Pulsewidth Modulation
... This paper proposes a three level cascaded dual buck inverter in which two three-phase dual-buck inverter shown in Fig. 1 are connected in series.. It is hard-switching-based, but it can incorporate power MOSFETs as the ...
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