EPE Association: EPE-PEMC 2004 - Topic 06-6: Power factor correctors (PFC)

EPE-PEMC 2004 - Topic 06-6: Power factor correctors (PFC)
You are here: EPE Documents > 04 - EPE-PEMC Conference Proceedings > EPE-PEMC 2004 - Conference > EPE-PEMC 2004 - Topic 06: POWER SUPPLY > EPE-PEMC 2004 - Topic 06-6: Power factor correctors (PFC)

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   A New Fully Controlled Single Phase PFC Buck Topology
By V. Fernao Pires, J. Fernando Silva [View]
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Abstract: A new fully controlled single-phase power-factorcorrector (PFC) buck topology is presented. This new topology has several advantages over the classical fully controlled singlephase PFC buck topology. The wide ranging output is one of the main advantages since the output voltage can be doubled. Another advantage is the higher efficiency of this converter. The control strategies for the output dc voltage and input ac current are also presented and discussed. To achieve sinusoidal input current and high power factor, a sliding mode control of the input current is proposed. A Proportional Integral (PI) controller is adopted to regulate the output voltage of the converter.

   Design Of A PFC-Rectifier With Intergrated Electrical Interrupting Device
By Michael Patt [View]
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Abstract: One main aspect in the development of Power Factor Correction (PFC) Rectifiers is the reduction of the losses and the reduction of the magnetic components size. In case of failure (mains-overvoltage) the PFC-Rectifier has to be disconnected from the AC-mains and after the failure to be reconnect to the AC-mains again. This paper shows a new topology which combines a low loss rectification including a interrupting device.

   Minimization Of The Source Current Distortion In Systems With Single-Phase Active Power Filters
By Boguslaw Swiatek, Stanislaw Kosiorowski [View]
[Download]

Abstract: The paper presents two methods for minimisation of the source current distortion due to the sudden changes in load current. The first method consists in the predictive control of the filter switches; the second one employs the original control system that alters the filter structure. Switching control algorithms are described and the results of both: laboratory tests and harmonic analysis of the waveforms are presented. The filter control employs artificial neural networks, an intelligent power module is used in the filter converter circuit.

   PFC Of A Universal Input Switched-Mode Power Supply With Reduced Voltage Stresses
By T. H. Abdelhamid [View]
[Download]

Abstract: This paper proposes a world-wide switched-mode power supply incorporating input power factor correction and reduced voltage stresses. The converter has two independently controlled switches with lower copper losses and smaller magnetic size compared to the boost converter. The converter is identified with switch stresses significantly smaller than in cascaded buck-boost converters; despite that it has the conversion characteristics of the buck-boost converter. The converter has also the ability to arbitrarily choose the output dc voltage without violating the power factor correction feature. Simulation of the proposed switched-mode power supply is carried out using PSPICE. The performance characteristics of a 100W prototype switched-mode power supply regarding variation of power factor, efficiency and dc link voltage with respect to input line voltage and output power are presented and discussed.

   Three-Phase Shunt Active Power Filter
By Andrzej Szromba [View]
[Download]

Abstract: A synchronised mode of work of the three-phase shunt active power filter is considered. The active filter is used to maintain only active current through supplying voltage source, even if load power randomly changes. The filter is based on the voltage source inverter. All the presented waveforms were produced using a computer simulation method.

EPE-PEMC 2004 - Topic 06-6: Power factor correctors (PFC)
You are here: EPE Documents > 04 - EPE-PEMC Conference Proceedings > EPE-PEMC 2004 - Conference > EPE-PEMC 2004 - Topic 06: POWER SUPPLY > EPE-PEMC 2004 - Topic 06-6: Power factor correctors (PFC)
	[return to parent folder]

	A New Fully Controlled Single Phase PFC Buck Topology By V. Fernao Pires, J. Fernando Silva	[View] [Download]
Abstract: A new fully controlled single-phase power-factorcorrector (PFC) buck topology is presented. This new topology has several advantages over the classical fully controlled singlephase PFC buck topology. The wide ranging output is one of the main advantages since the output voltage can be doubled. Another advantage is the higher efficiency of this converter. The control strategies for the output dc voltage and input ac current are also presented and discussed. To achieve sinusoidal input current and high power factor, a sliding mode control of the input current is proposed. A Proportional Integral (PI) controller is adopted to regulate the output voltage of the converter.

	Design Of A PFC-Rectifier With Intergrated Electrical Interrupting Device By Michael Patt	[View] [Download]
Abstract: One main aspect in the development of Power Factor Correction (PFC) Rectifiers is the reduction of the losses and the reduction of the magnetic components size. In case of failure (mains-overvoltage) the PFC-Rectifier has to be disconnected from the AC-mains and after the failure to be reconnect to the AC-mains again. This paper shows a new topology which combines a low loss rectification including a interrupting device.

	Minimization Of The Source Current Distortion In Systems With Single-Phase Active Power Filters By Boguslaw Swiatek, Stanislaw Kosiorowski	[View] [Download]
Abstract: The paper presents two methods for minimisation of the source current distortion due to the sudden changes in load current. The first method consists in the predictive control of the filter switches; the second one employs the original control system that alters the filter structure. Switching control algorithms are described and the results of both: laboratory tests and harmonic analysis of the waveforms are presented. The filter control employs artificial neural networks, an intelligent power module is used in the filter converter circuit.

	PFC Of A Universal Input Switched-Mode Power Supply With Reduced Voltage Stresses By T. H. Abdelhamid	[View] [Download]
Abstract: This paper proposes a world-wide switched-mode power supply incorporating input power factor correction and reduced voltage stresses. The converter has two independently controlled switches with lower copper losses and smaller magnetic size compared to the boost converter. The converter is identified with switch stresses significantly smaller than in cascaded buck-boost converters; despite that it has the conversion characteristics of the buck-boost converter. The converter has also the ability to arbitrarily choose the output dc voltage without violating the power factor correction feature. Simulation of the proposed switched-mode power supply is carried out using PSPICE. The performance characteristics of a 100W prototype switched-mode power supply regarding variation of power factor, efficiency and dc link voltage with respect to input line voltage and output power are presented and discussed.

	Three-Phase Shunt Active Power Filter By Andrzej Szromba	[View] [Download]
Abstract: A synchronised mode of work of the three-phase shunt active power filter is considered. The active filter is used to maintain only active current through supplying voltage source, even if load power randomly changes. The filter is based on the voltage source inverter. All the presented waveforms were produced using a computer simulation method.