high-frequency PWM technique
Enhancing Power factor with Power Saving in Induction Motor Drive
... This section presents the performance evaluation of the proposed scheme with the high frequency PWM technique. The hardware of the proposed work is prepared and tested to obtain the desired ...
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Modeling and Analysis of Variable Frequency Inverted Sine PWM Technique for a Hybrid Cascaded Multilevel Inverter
... in PWM inverters and FPGA based implementations [10], but it is not suitable for variable frequency ...of high frequency induction machine parameters [12], and their influence is towards the ...
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Active DC voltage balancing PWM technique for high power cascaded multilevel converters
... for high power low switching frequency cascaded multilevel converters, is ...switching frequency, only one leg of a single H-Bridge cell in each sampling interval is commutated, obtaining a total ...
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A New PWM technique for Voltage balancing in High power Cascaded Converters
... ABSTRACT: For single-phase supplies adedicated pulse width modulation (PWM) methoddesigned for cascaded H-bridge converters isoffered to scale down the DC-link voltageunbalance independently from the amp litude of ...
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Three Phase Vsi Using Sinusoidal Pwm Technique
... SPWM technique three sine waves and a high frequency triangular carrier wave are used to generate PWM ...The frequency of these sinusoidal waves is chosen based on the required inverter ...
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Implementation of Pwm Technique For Integrated High Gain Boost Resonant Converter
... maintains high conversion efficiency with low component count, galvanic isolation and simple control ...The technique primarily unites constant ON, constant OFF, and fixed frequency control depending ...
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P resonant control for the neutral point of three phase inverter
... inverters PWM technique can be used in three-phase inverters, in which three sine waves phase shifted by 120° with the frequency of the desired output voltage is compared with a very high ...
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Cataract Detection
... and frequency supplied to electrical AC ...sampling PWM with a single carrier and multiple modulating ...its high power capability associated with lower output ...cascaded PWM ...
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New Hybrid PWM technique for dual buck inverter
... at frequency lower than 29 kHz. They can handle high currents, are able to output greater than 5kW and have very good thermal operating ability and able to operate above ...in high power ...
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High Efficiency DC-DC Converter for EV Battery Charger Using Hybrid Resonant and PWM Technique
... conventional PWM converters are operated at higher frequencies, the circuit parasitics are shown to have detrimental effects on the converter ...in high-power, high-voltage ...full-bridge PWM ...
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An Induction Motor Control by Space Vector PWM Technique
... Most industrial process required some kind of control or adjustment for normal operation. Due to recent development in power electronic device it is easy to control high power and manage voltage, current and ...
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An Active PWM Technique For A Transformer less H-Bridge Cascaded STATCOM With Wye Configuration
... sinusoidal PWM (abbreviated as CPS-SPWM) with the carrier frequency of 1 ...same frequency as 1 kHz are phase shifted by 2π/12 from each ...carrier frequency is as low as 1 kHz, using the ...
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High-Frequency Modeling and Filter Design for PWM Drives with Long Cables
... of high-frequency components ...very high, once the motor starts up, the power will be disconnected in the response time of ...ring frequency and damping of simulation are all close to the ...
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A NOVEL RANDOM CARRIER FREQUENCY MODULATION TECHNIQUE FOR DRIVE APPLICATIONS
... In high power usages, dc/dc converters have been extensively ...switching frequency pulse width modulation (PWM) technique that results in significant harmonic intensity at the switching ...
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Current follower approach based PI and fuzzy logic controllers for BLDC motor drive system fed from CUK converter
... Further, in this work the speed control is sought to be implemented by controlling the motor currents and thereby the electromagnetic torque. Accordingly a reference current generated block is introduced so as to force ...
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Smart Industrial Lighting System For Energy Saving
... In the proposed project there are three modes of operations are there and a manually varying the Intensity regulator is placed. This Intensity regulator provides the manual operations of varying the intensity. They are ...
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MD10C Enhanced 10Amp DC Motor Driver
... Locked-Antiphase PWM – For locked-antiphase PWM operation, only 1 control signal is needed to control the speed and direction of the ...motor. PWM pin is connected to logic high while the DIR ...
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A New High Frequency Grid Impedance Estimation Technique for the Frequency Range of 2 to150 kHz
... Grid impedance estimation is used in many power system applications such as grid connected renewable energy systems and power quality analysis of smart grids. The grid impedance estimation techniques based on signal ...
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Image Super Resolution Using Wavelet Analysis
... higher frequency band images by the value of 2 and which are constants in the intermediate and final interpolation stages respectively, and by application of IDWT, as presented in ...higher frequency ...
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Performance Improvements in Manual Welding Power Supply Based on Resonant Mode
... Load current is sensed at the transformer output by a current transformer or a Hall Effect sensor. Note that, although more convenient for the control, sensing the primary current is not possible, since this would affect ...
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