high-frequency pulse-width modulation
Mitigation of Lower Order Harmonics in a Grid Connected Three Phase PV Inverter
... Abstract: In this paper simple single-phase grid connected photovoltaic (PV) inverter topology consisting of a boost section, a low voltage Three- phase inverter with an inductive filter, and a step-up transformer ...
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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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Analysis of THD in Asymmetrical Multilevel Inerter Using a Novel Topology
... optimal pulse width modulation (SOP) allows low switching frequency modulation of construction electrical converter for medium-voltage high-power industrial ac drives while not ...
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Switching Sequence Control Of Reduced Switch Count Multilevel Inverter With Multi Carrier Pulse Width Modulation
... the modulation techniques with the carrier ...the pulse patterns obtained from the multicarrier PWM ...of pulse to the required pulse pattern [6], [11], ...with high frequency ...
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High Efficiency Modified Pulse-Width Modulation Bidirectional Converter for Medium Power Drives
... Nowadays the development of bidirectional dc-dc converter (BDC) has become an important topic in power electronics. Bidirectional ZVT converters are used to transfer the power between two DC sources in either direction. ...
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Pulse Width Modulation Used in Multilevel Inverters
... in high power and high voltage application with reduced harmonic distortion without a ...Switching frequency of sinusoidal Pulse width Modulation and sinusoidal Natural ...
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Performance Investigation of Active Harmonic Power Filter Using PWM Methods
... is pulse-width- modulation ...a high-voltage bus, which will replicate this signal at the appropriate voltage The PWM techniques are classified as ...
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Dual- Tap Chopping Stabilizer with Subcyclic AC Soft Switching
... a pulse width-modulation frequency of about 5 kHz and a new soft- switching technique is ...combines high speed & low switching ...
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Analysis of various pulse width modulations (PWM) for multi level inverter with reversing voltage topology
... a high output power from medium voltage sources like batteries and solar ...Sinusoidal Pulse Width Modulation (SPWM) ...Variable frequency SPWM techniques are applied to generate the ...
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Low Order Harmonics Control in Stair Case Waveform by a Novel Estimation based Technique
... high switching frequency techniques include sine pulse width modulation (SPWM) based phase.. 40.[r] ...
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Analysis of Three Phase Space Vector PWM Voltage Source Inverter for ASD’s
... a Pulse Width Modulated (PWM) voltage inverter is the most applied in the ...Today pulse Width Modulation based variable speed drives are increasingly applied in many new industrial ...
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RESEARCH AND DESIGN OF GRID-CONNECTED INVERTER IN PHOTOVOLTAIC SYSTEM WITH SVPWM TECHNIQUE
... Vector Modulation, is developed from the vector theory to figure out the method of modulating the sine-triangle carrier with better harmonic content and easier to control in digital ...any modulation ...
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Performance Investigation of Inverter fed 7 Phase Induction Motor Drive
... [6] Kelly, J.W., Strangas, E.G., and Miller, J.M.: ‘Multi-phase inverter analyses. Proc. IEEE Int. Electric Machines and Drives Conf. IEMDC, Cambridge, 2001, pp. 147–155. [7] A.Iqbal, E.Levi, “Space vector ...
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SIMULATION OF SPWM CONTROLLED CONVERTER
... Power generation and transmission is a complex process, which does involve working of many devices to work in co-ordination for maximum power generation and transmission. It includes no. of power electronics devices, In ...
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A Voltage Based SPWM Technique On A New Approach For Multilevel Inverter
... used to generate the desired output voltage. In certain condition, the switch will be switched ON or OFF depending on whether positive or negative dc bus voltage is applied at the output. In phase disposition where the ...
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Synthesis of the Output Voltage for Multilevel Inverters
... In recent years, industry has begun to demand higher power equipment, which now reaches the megawatt level [1, 2]. Controlled ac drives in the megawatt range are usually connected to the medium-voltage network [3, 4]. ...
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Cascade H-bridge multilevel inverter at different Modulation index
... Power electronic have very broad area it has many converter like AC to DC and DC to AC. In conversion of DC to AC Multilevel inverter is replacing conventional Inverter because of it high power applications with ...
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Smart Street Lighting based on Pulse Width Modulation
... switch high boost converter that has a higher efficiency and power ...movement. Pulse width modulation technique is used for controlling the power input to street light by controlling the ...
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Sinusoidal and Space Vector Pulse Width Modulation for Inverter
... Sinusoidal Pulse width modulation (SPWM) we generate the gating signals by com- paring a sinusoidal reference signal with a trian- gular carrier ...vector Modulation (SVPWM) we consider a ...
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Implementation and Analysis of Cascaded H Bridge Multilevel Inverter Using Space Vector PWM
... this modulation the signal is stepped ...normal Pulse Width Modulation control this type control gives low distortion but higher fundamental ...
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