EPE Association: EPE 2009 - Subtopic 03-2 - DS: 'Power System Integration'

EPE 2009 - Subtopic 03-2 - DS: 'Power System Integration'
You are here: EPE Documents > 01 - EPE & EPE ECCE Conference Proceedings > EPE 2009 - Conference > EPE 2009 - Topic 03: 'Power System Integration' > EPE 2009 - Subtopic 03-2 - DS: 'Power System Integration'

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   2 Transistors+2 Diodes-based PEBB Designed for General Applications in Power Electronics
By Joan NICOLÃS APRUZZESE, Joan ROCABERT DELGADO, Josep BORDONAU FARRERONS, Sergi BUSQUETS MONGE, Salvador ALEPUZ MENENDEZ, Juan Antonio MARTINEZ VELASCO, Joan PE [View]
[Download]

Abstract: This paper presents a new Power Electronic Building Block (PEBB) designed to facilitate the implementation of different power converter topologies. The proposed PEBB consists of two diodes and two transistors and it can be used to implement the most relevant power converter topologies, due to its modularity. The addition of the two diodes is an exclusive feature of the new PEBB, which permits to implement neutral point clamped (NPC) multilevel converters. The application of the PEBB to build a three-level NPC converter and a dc-dc push-pull converter is presented and detailed in the paper, and demonstrate that the presented PEBB can be useful to shorten converter development times.

   An optimum design of PFC Boost Converters
By HAMILTOM SARTORI, JosÃ© Renes PINHEIRO, HÃ©lio HEY [View]
[Download]

Abstract: This work investigates the influence of the choice of the operation point (Δi @ fs) under the final volume of PFC boost converter. Boost inductor, EMI filter and thermal heatsink are the elements which main influences in the converter volume. These elements are strongly influenced by the chosen operation point, showing a direct relationship among them. With the increase of switch frequency and of the input current ripple occurs reduction of the boost inductor volume. On the other hand, it increases the switching losses in semiconductors, and influence on the EMI filter volume. It should be highlight that the optimum designs of individual devices or parameters of a system could not take the optimization of the overall system. In this form it is strongly recommended that the engineers and designers take into account the overall system, as well available technologies, standard and recommendation, and finally market commitments. The methodology presented performs the converter design in an integrated manner, selecting the operation point that the converter figures out the minimal total volume, starting from input specifications of the point of view electromagnetic, thermal, mechanical, standards and recommendations as well. The design takes into account different kinds of semiconductors technologies, filter topologies, heart sinks profile, magnetic cores shapes and materials, furthermore standards that the converter must be comply. For each technology employed the system presents different results, becoming its analysis complex. Based on an integrated design of converter parameters is possible optimize the design figure out the operation point for a minimal volume.

   Analytical Input Filter Design in DC Distributed Power Systems - Approach taking Stability and Quality criteria into account
By Sylvain GIRINON, Nicolas ROUX, Hubert PIQUET, Bruno SARENI [View]
[Download]

Abstract: This article presents an automated method for the sizing of filter parameters taking into account stability and quality criteria. The analytical linearized model of the system is automatically built from a circuit description. System stability conditions are firstly assessed on this model with the Routh-Hurwitz criterion. Then, filtering and damping conditions are introduced. To complete the sizing, optimization algorithms are introduced in order to minimize the energy stored in inductive and capacitive components. Simulations are performed on an embedded HVDC (High Voltage Direct Current) network onboard an aircraft (HVDC network); it associates several loads with their input filters, to validate the results obtained with the proposed method.

   Control of single active switch cascade boost converter for fuel cell applications
By Francisco PEREZ-PINAL, Ilse CERVANTES, Jesus LEYVA-RAMOS, L. H. DIAZ-SALDIERNA [View]
[Download]

Abstract: In this paper, a controller for a three--stage cascade boost converter connected in cascaded with a single active switch is proposed to step-up the unregulated voltage supply produced by a fuel cell system. The proposed hybrid controller is able to work in several operation regions while having the feature of a simple structure easy to implement. The controller description and experimental results in a 100W prototype are given within.

   Design and Realization of Autonomous Power CMOS Single Phase Inverter and Rectifier for Low Power Conditioning Applications
By Olivier DELEAGE, Jean-Christophe CREBIER, Yves LEMBEYE [View]
[Download]

Abstract: This paper deals with the design, the realization and the characterization of an integrated converter for low voltage and low power, isolated applications (3.3 V, 1 W). It is based on the association of two generic silicon dies performing DC to AC and AC to DC operations. The power dies are designed in CMOS technology and operate at high frequency (1 MHz) and high efficiency. This high power density realization includes the power circuit and the control electronic. The integrated conversion structure can operate as an inverter or as a rectifier in a wide range of power flows and input voltages. Three important issues are addressed in this paper: design of the power part at high efficiency, reduced consumption of the control electronic and the gate drivers, and implementation with reduced parasitic behavior. The practical implementation and characterization are also addressed in a second part. First tests are carried out with packaged dies on PCB boards, in order to simplify the implementation. The efficiency of the inverter reaches up to 92\% as a function of input voltage with these conditions. The second experimental investigation is a full DC to DC converter implemented with two CMOS power dies (one inverter and one rectifier) together with an HF transformer and an output LC filter. This article ends with the study of the packaging in order to minimize parasitics elements, such as resistances and inductances, which can be very harmful for the global efficiency of our micro- converter.

   Floating gate power supply of multilevel converters for circuit integration
By Masamu KAMAGA, Kyungmin SUNG, Jin XU, Yukihiko SATO, Hiromichi OHASHI [View]
[Download]

Abstract: There is the possibility of the intrinsic elimination of harmonics and electromagnetic interference (EMI) by introducing multilevel converters with a large number of levels. As the number of levels in-creases, the number of the main switching devices on their higher side increases, and their floating gate power supplies become larger scale circuits. Because it is necessary to integrate the floating gate power supplies from the practical viewpoint, it is one of the important issues to realize the floating gate power supplies, which consist of the components suitable for the integration. In this paper, bootstrap circuits, charge pump circuits, and self power supply circuits, already proposed for the conventional 2-level converters, are extended to the floating gate power supplies for the multi-level converters: diode-clamped converters, flying capacitor converters, and series-connected H-bridge converters. The theoretical and experimental investigations of the floating gate power supplies for the multilevel converters considering the main circuit topology and the main circuit control are shown. From these results, the applicability and the required modification of the floating gate power supply methods are clarified.

   Generalized Multi-Cell Voltage Sourced Converter
By Abdelrahman ABBAS [View]
[Download]

Abstract: This paper introduces the generalized multi-cell converter topology. Its modular construction allows it to be scalable to different voltage and power levels. Several variations of this converter are introduced in this paper. Proposed converter offers a multi-input structure allowing it to integrate power from an ac network, a dc network, and/or a multitude of lower voltage distributed sources. Main applications of this topology include DC distributed generation and HVDC taps. Other applications are hybrid vehicles and high-power UPS systems. The converter is developed starting from the well-known cascaded H-bridge topology. A simulation case study is presented to demonstrate feasibility of the concept.

   Simplified model simulation platform for multi-domain high density converter design
By Yusuke HAYASHI, Kazuto TAKAO, Hiromichi OHASHI [View]
[Download]

Abstract: A comprehensive simulation platform with simplified models has been developed for high density converter design. The proposed platform enabled us to predict optimal operation conditions to maximize power density, taking full advantage of novel power devices. Availability of the platform was evaluated by a virtual prototyping of a DC/DC converter.

EPE 2009 - Subtopic 03-2 - DS: 'Power System Integration'
You are here: EPE Documents > 01 - EPE & EPE ECCE Conference Proceedings > EPE 2009 - Conference > EPE 2009 - Topic 03: 'Power System Integration' > EPE 2009 - Subtopic 03-2 - DS: 'Power System Integration'
	[return to parent folder]

	2 Transistors+2 Diodes-based PEBB Designed for General Applications in Power Electronics By Joan NICOLÃS APRUZZESE, Joan ROCABERT DELGADO, Josep BORDONAU FARRERONS, Sergi BUSQUETS MONGE, Salvador ALEPUZ MENENDEZ, Juan Antonio MARTINEZ VELASCO, Joan PE	[View] [Download]
Abstract: This paper presents a new Power Electronic Building Block (PEBB) designed to facilitate the implementation of different power converter topologies. The proposed PEBB consists of two diodes and two transistors and it can be used to implement the most relevant power converter topologies, due to its modularity. The addition of the two diodes is an exclusive feature of the new PEBB, which permits to implement neutral point clamped (NPC) multilevel converters. The application of the PEBB to build a three-level NPC converter and a dc-dc push-pull converter is presented and detailed in the paper, and demonstrate that the presented PEBB can be useful to shorten converter development times.

	An optimum design of PFC Boost Converters By HAMILTOM SARTORI, JosÃ© Renes PINHEIRO, HÃ©lio HEY	[View] [Download]
Abstract: This work investigates the influence of the choice of the operation point (Δi @ fs) under the final volume of PFC boost converter. Boost inductor, EMI filter and thermal heatsink are the elements which main influences in the converter volume. These elements are strongly influenced by the chosen operation point, showing a direct relationship among them. With the increase of switch frequency and of the input current ripple occurs reduction of the boost inductor volume. On the other hand, it increases the switching losses in semiconductors, and influence on the EMI filter volume. It should be highlight that the optimum designs of individual devices or parameters of a system could not take the optimization of the overall system. In this form it is strongly recommended that the engineers and designers take into account the overall system, as well available technologies, standard and recommendation, and finally market commitments. The methodology presented performs the converter design in an integrated manner, selecting the operation point that the converter figures out the minimal total volume, starting from input specifications of the point of view electromagnetic, thermal, mechanical, standards and recommendations as well. The design takes into account different kinds of semiconductors technologies, filter topologies, heart sinks profile, magnetic cores shapes and materials, furthermore standards that the converter must be comply. For each technology employed the system presents different results, becoming its analysis complex. Based on an integrated design of converter parameters is possible optimize the design figure out the operation point for a minimal volume.

	Analytical Input Filter Design in DC Distributed Power Systems - Approach taking Stability and Quality criteria into account By Sylvain GIRINON, Nicolas ROUX, Hubert PIQUET, Bruno SARENI	[View] [Download]
Abstract: This article presents an automated method for the sizing of filter parameters taking into account stability and quality criteria. The analytical linearized model of the system is automatically built from a circuit description. System stability conditions are firstly assessed on this model with the Routh-Hurwitz criterion. Then, filtering and damping conditions are introduced. To complete the sizing, optimization algorithms are introduced in order to minimize the energy stored in inductive and capacitive components. Simulations are performed on an embedded HVDC (High Voltage Direct Current) network onboard an aircraft (HVDC network); it associates several loads with their input filters, to validate the results obtained with the proposed method.

	Control of single active switch cascade boost converter for fuel cell applications By Francisco PEREZ-PINAL, Ilse CERVANTES, Jesus LEYVA-RAMOS, L. H. DIAZ-SALDIERNA	[View] [Download]
Abstract: In this paper, a controller for a three--stage cascade boost converter connected in cascaded with a single active switch is proposed to step-up the unregulated voltage supply produced by a fuel cell system. The proposed hybrid controller is able to work in several operation regions while having the feature of a simple structure easy to implement. The controller description and experimental results in a 100W prototype are given within.

	Design and Realization of Autonomous Power CMOS Single Phase Inverter and Rectifier for Low Power Conditioning Applications By Olivier DELEAGE, Jean-Christophe CREBIER, Yves LEMBEYE	[View] [Download]
Abstract: This paper deals with the design, the realization and the characterization of an integrated converter for low voltage and low power, isolated applications (3.3 V, 1 W). It is based on the association of two generic silicon dies performing DC to AC and AC to DC operations. The power dies are designed in CMOS technology and operate at high frequency (1 MHz) and high efficiency. This high power density realization includes the power circuit and the control electronic. The integrated conversion structure can operate as an inverter or as a rectifier in a wide range of power flows and input voltages. Three important issues are addressed in this paper: design of the power part at high efficiency, reduced consumption of the control electronic and the gate drivers, and implementation with reduced parasitic behavior. The practical implementation and characterization are also addressed in a second part. First tests are carried out with packaged dies on PCB boards, in order to simplify the implementation. The efficiency of the inverter reaches up to 92\% as a function of input voltage with these conditions. The second experimental investigation is a full DC to DC converter implemented with two CMOS power dies (one inverter and one rectifier) together with an HF transformer and an output LC filter. This article ends with the study of the packaging in order to minimize parasitics elements, such as resistances and inductances, which can be very harmful for the global efficiency of our micro- converter.

	Floating gate power supply of multilevel converters for circuit integration By Masamu KAMAGA, Kyungmin SUNG, Jin XU, Yukihiko SATO, Hiromichi OHASHI	[View] [Download]
Abstract: There is the possibility of the intrinsic elimination of harmonics and electromagnetic interference (EMI) by introducing multilevel converters with a large number of levels. As the number of levels in-creases, the number of the main switching devices on their higher side increases, and their floating gate power supplies become larger scale circuits. Because it is necessary to integrate the floating gate power supplies from the practical viewpoint, it is one of the important issues to realize the floating gate power supplies, which consist of the components suitable for the integration. In this paper, bootstrap circuits, charge pump circuits, and self power supply circuits, already proposed for the conventional 2-level converters, are extended to the floating gate power supplies for the multi-level converters: diode-clamped converters, flying capacitor converters, and series-connected H-bridge converters. The theoretical and experimental investigations of the floating gate power supplies for the multilevel converters considering the main circuit topology and the main circuit control are shown. From these results, the applicability and the required modification of the floating gate power supply methods are clarified.

	Generalized Multi-Cell Voltage Sourced Converter By Abdelrahman ABBAS	[View] [Download]
Abstract: This paper introduces the generalized multi-cell converter topology. Its modular construction allows it to be scalable to different voltage and power levels. Several variations of this converter are introduced in this paper. Proposed converter offers a multi-input structure allowing it to integrate power from an ac network, a dc network, and/or a multitude of lower voltage distributed sources. Main applications of this topology include DC distributed generation and HVDC taps. Other applications are hybrid vehicles and high-power UPS systems. The converter is developed starting from the well-known cascaded H-bridge topology. A simulation case study is presented to demonstrate feasibility of the concept.

	Simplified model simulation platform for multi-domain high density converter design By Yusuke HAYASHI, Kazuto TAKAO, Hiromichi OHASHI	[View] [Download]
Abstract: A comprehensive simulation platform with simplified models has been developed for high density converter design. The proposed platform enabled us to predict optimal operation conditions to maximize power density, taking full advantage of novel power devices. Availability of the platform was evaluated by a virtual prototyping of a DC/DC converter.