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zero-current power switching topology

Ultrahigh step-up DC-DC converter for distributed generation by three degrees of freedom (3DoF) approach

Ultrahigh step-up DC-DC converter for distributed generation by three degrees of freedom (3DoF) approach

... proposed topology, power cell idle conditions can be employed to adjust the voltage ...idle power cell blocks the current, which is generated from other ...idle power cells by ...

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Bond Graph Modelling and Simulation of Buck ZCS Quasiresonant DC DC Power Converter

Bond Graph Modelling and Simulation of Buck ZCS Quasiresonant DC DC Power Converter

... quality power in terms of supply voltage and supply ...the power supply in various forms and various magnitudes with higher efficiencies and reduced ...The power electronic design engineer is forced ...

6

An Efficient HPF LED Driver with Zero Voltage Switching

An Efficient HPF LED Driver with Zero Voltage Switching

... source; Power Factor Correction (PFC) control must be imposed in the driver to achieve a high Power Factor ...High Power Factor and low current ...high power white LEDs. Operating the ...

9

A Single Phase High Power Factor AC-DC converter with Soft Switching Characteristics

A Single Phase High Power Factor AC-DC converter with Soft Switching Characteristics

... ABSTRACT: This paper proposes an integrated high power factor ac-dc converter with soft switching characteristics. The circuit consists of a buck converter and a boost converter that integrates to form the ...

7

A Technique for Improving Input Current Zero-crossing Distortion of Boost PFC Converters for Airborne System

A Technique for Improving Input Current Zero-crossing Distortion of Boost PFC Converters for Airborne System

... the zero-crossing distortion, it is need to reduce L and reduce  ...ripple current so it can’t be reduced too much, otherwise the circuit will operate in DCM mode, exacerbate zero-crossing ...system ...

7

Digital Simulation of Asymmetrical PWM Full-Bridge Converter using Simulink

Digital Simulation of Asymmetrical PWM Full-Bridge Converter using Simulink

... soft switching, which means Zero Voltage Switching (ZVS) and Zero Current Switching (ZCS) ...of power switches of primary side and to minimize circulating current ...

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Five-Level Full-Bridge Zero Voltage and Zero Current Switching DC-DC Converter Topology

Five-Level Full-Bridge Zero Voltage and Zero Current Switching DC-DC Converter Topology

... The power stage inverter provides efficient dc-dc conversion at very high frequencies, with few small-valued passive components and low device ...the power stage and gate driver, the transient response can ...

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A HIGH EFFICIENCY RESONANT CONVERTER FOR WIND POWER GENERATION UNDER RAPIDLY CHANGING ENVIRONMENTAL CONDITIONS

A HIGH EFFICIENCY RESONANT CONVERTER FOR WIND POWER GENERATION UNDER RAPIDLY CHANGING ENVIRONMENTAL CONDITIONS

... sustainable power generation ...high switching frequency is needed to accomplish little ...the switching losses are directly related with the switching frequency ,therefore decreasing ...

8

IMPROVE DC-DC RESONANT CONVERTER EFFICIENCY BY FUZZY LOGIC CONTROLLERElmokhtar. A. Elhamruni*, Dr. A. K. Bhardwaj**

IMPROVE DC-DC RESONANT CONVERTER EFFICIENCY BY FUZZY LOGIC CONTROLLERElmokhtar. A. Elhamruni*, Dr. A. K. Bhardwaj**

... efficiency, power density and EMC compliance of their switching mode power supplies (SMPS) are getting more and more ...converter topology that is related to the output filter capacitors ...

7

An Adaptive Fuzzy PID Control of Zero Current Switching Resonant Buck Converter

An Adaptive Fuzzy PID Control of Zero Current Switching Resonant Buck Converter

... Soft switching techniques not only reduce the switching losses but also improve the efficiency of the ...efficiency power conversion can be achieved using fuzzy PID controller along with the ZCS ...

8

High Efficiency Resonant Boost Converter for Photovoltaic Energy Harvesting

High Efficiency Resonant Boost Converter for Photovoltaic Energy Harvesting

... circuit topology integrates a single-switch resonant power converter with Zero Voltage Switching (ZVS) of active power switch and an energy blocking diode with Zero ...

7

Design of Quasi Resonant Boost Converter Using Zero Current Switching With Push Pull Technology
K Sravanthi & N  Avinash

Design of Quasi Resonant Boost Converter Using Zero Current Switching With Push Pull Technology K Sravanthi & N Avinash

... reduced switching losses and high efficiency is proposed for quasi resonant ...pull topology is coupled to two distributed boost inductors into a single magnetic core which hereby reducing the circuit ...

6

Title: The Parallel Loaded Resonant Converter for the Application of DC to DC Energy Conversions

Title: The Parallel Loaded Resonant Converter for the Application of DC to DC Energy Conversions

... low switching losses, low noise, low ...simple topology, and easy ...using zero voltage/current switching is used and it is a square wave power conversion during the switch ...

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Design and Implementation of Buck Converter a...

Design and Implementation of Buck Converter a...

... of switching loss an helps to soften the EMI. By nature QR power supplies has highly variable switching frequency which depends on input and output leading ...the switching frequency increases ...

6

A New Soft switching Fly Back DC DC Converter with Minimal Auxiliary Circuit Elements

A New Soft switching Fly Back DC DC Converter with Minimal Auxiliary Circuit Elements

... In this paper, a simple auxiliary circuit with minimum elements for flyback converter has been proposed. This auxiliary circuit provides ZCS condition for switches turn on instant and ZVZCS condition for switches turn ...

5

Soft Switching active power filter for reducing harmonic current in 
		system with non linier load

Soft Switching active power filter for reducing harmonic current in system with non linier load

... active power filter (APF) with soft ...the power factor harmonic and harmonic current, but usually switching losses is increased when APF operates at high ...The switching losses can be ...

5

Performance Analysis of High Step up Resonant Converter Based PV fed Induction Motor Drive

Performance Analysis of High Step up Resonant Converter Based PV fed Induction Motor Drive

... which, when connected to the solar systems, requires sine waves to avoid electric harmonic pollution from the public power supply.[5] How Inverters Work: There are three major functions an inverter provides to ...

8

A Transformerless Soft Switching Resonant PWM (RPWM) Boost Converter for High Step up Applications

A Transformerless Soft Switching Resonant PWM (RPWM) Boost Converter for High Step up Applications

... with zero voltage switching (ZVS) and reverse recovery losses are negligible due to zero current switching (ZCS) turn of the ...

6

A Novel Soft Switching Pwm DC DC Converter

A Novel Soft Switching Pwm DC DC Converter

... In this paper, a detailed study of the single stage dc- dc employing a versatile and efficient soft-switching circuit cell is presented. In the presented converter, the turn-off and the turn-on of the main active ...

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1.
													A comparision of resonant converters using fuelcell as an input source.

1. A comparision of resonant converters using fuelcell as an input source.

... a current source, whereas a PRC acts as a voltage ...as switching power supplies, mainly because of its load independent ...during switching, low EMI, low switching component stresses, ...

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