voltage step up/down
Single-Stage Power Electronic Converters with Combined Voltage Step-Up/Step-Down Capability
... There are basically four types of power converters: DC/DC, AC/DC, AC/AC and DC/AC. For each of these converter types, active semiconductor elements and passive components can be arranged in multiple possible structures ...
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Harvesting electrical energy from a stationary bike : an experimental approach : a thesis presented in partial fulfillment of the requirements for the degree of Master of Engineering in Electronics and Computer Systems Engineering, School of Engineering and Advanced Technology, Massey University, Palmerston North, New Zealand
... high voltage step up-step down converter was ...both step-up and step-down regulation using a single inductor ...input voltage making it suitable for ...
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SIMULATION OF SEPIC CONVERTER FED LEDs
... can step up or step down, and high power factor as it is run in discontinuous conduction ...input voltage, simple feedback control, and voltage step-up and ...
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Modified Buck-Boost Converter with High Step-up and Step-Down Voltage Ratio
... high voltage-conversion ratio, the basic converters would have to operate with an extreme value of the duty cycle, smaller than ...in voltage-step-down converters, higher than 0.9 in ...
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Fuzzy Logic Controller Based New Step-Up/Step-Down DC–AC Converter
... input voltage to an alternated output voltage, whose instantaneous value, in several situations, may become higher than the input ...output voltage higher or lower than the input dc voltage ...
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Designing of Single Ended Primary Inductance Converter for Solar PV Application using Arduino Controller
... a step up or step down transformer to boost the voltage based on solar radiation level and it also acts as an impedance matcher and regulator between the source and the load since the ...
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High Voltage DC Generator For Insulation Testing Using Step Up Converter And Voltage Multiplier
... high voltage DC generator having cascaded voltage multiplier consist of power supply circuit, boost converter circuit and voltage multiplier ...input voltage from which the AC supply will be ...
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PV Cell based Single Stage Step-Up or Step-Down DC–AC Converter
... inverter configurations have also been proposed [10], [11], [12]. These configurations feed sinusoidal power into the grid with lower total harmonic distortion (THD) in the grid current and interface nicely with the ...
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IMPLEMENTATION OF ZERO CURRENT SWITCHING IN STEP- UP/STEP-DOWN RESONANT CONVERTER
... A step-up based resonant converter with Switching Capacitor Technique and Resonant inverting Step- down DC-DC converter is ...increased voltage gain are ...
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High Power Factor Bridgeless SEPIC Rectifier for Drive Applications
... output voltage due to its step up/down function, several bridgeless single ended primary inductor converters (SEPICs) were ...) Voltage Conversion Ratio M ...
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Creating Entrepreneurship in Skill based Educational Institutes in Western Maharashtra
... steps up voltage (while stepping down current) from its input (supply) to its output ...reduce voltage ripple, filters made of capacitors (sometimes in combination with inductors) are normally ...
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Single Phase Bridgeless Zeta PFC Converter with Reduced Conduction Losses
... mains, voltage distortion and noise ...both step up and step down voltage conversions and it is difficult to design the control ...
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A SEPIC Based Dual Output DC-DC Converter for Solar Applications
... output voltage is obtained through 5-level multi level boost converter and other output voltage is obtained through sepic ...modes, step-up or step-down depending on duty ...in ...
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DESIGN AND ANALYSIS OF PV SYSTEM WITH Z-SOURCE HALF-BRIDGE CONVERTER
... types: voltage-source converters and current source ...of voltage- source (V-source) converters, it acts as a buck (step-down) converter for DC to AC power conversion and as a boost ...
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Monitoring and Detection of Voltage Stress in Underground Cables Using I2C Protocol
... of voltage stress in MV or HV Underground ...abnormal voltage stress across the UG cable, the corrective action has done in both input and output side by using step-down transformer ...
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Maximum Boost Control of Step up-Step down Voltage Source Converter with X-Shape Diode-Capacitor Network
... network voltage source inverter, it has certain advantages like low cost, easy to implement in the ...output voltage but the voltage stress across the switch is increase is higher and this is not ...
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A Novel Bidirectional DC-DC Converter with Battery Protection
... For non-isolated applications, the non-isolated bidirectional dc–dc converters, which include the conventional boost/buck [1], [4], [8], multilevel [3], three-level [7], sepic/zeta [16], switched capacitor [17], and ...
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HYBRID AC VOLTAGE REGULATOR USING TAP CHANGING TRANSFORMER
... A step-up/down AC voltage regulator is proposed, in which a tap-changing transformer and a pulse width modulation (PWM) AC chopper are ...can step up or down the output ...
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A Novel Bidirectional DC-DC Converter with high Step-up and Step-down Voltage Gains
... High voltage gains are obtained by employing a coupled inductor with same primary and secondary winding turns in the ...high voltage gain, its average value of switch current and voltage stress on ...
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Design and Implementation of New Resonant Step Down/Up Converters
... In this mode, all switches are off and the load is supplied by the output capacitor. Duration of this interval is determined by the controller, so that proper voltage regulation is attained (dead time control). ...
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