Buck Boost Regulator (B&lt;sup&gt;2&lt;/sup&gt;R) for spacecraft Solar Array Power conversion

Mourra, Olivier; Fernández, Arturo; Tonicello, Ferdinando

doi:10.1109/apec.2010.5433399

Cited by 20 publications

(17 citation statements)

References 3 publications

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“…Recently, the MPPT concept has been upgraded with more powerful performance capabilities, thanks to the development of the Buck Boost Regulator (B2R) concept. It is able to handle a solar array voltage that may be over or under the main bus (battery) voltage depending on the mission phase [4].…”

Section: Det and Mpptmentioning

confidence: 99%

Passivation Strategies on Board Airbus ds Leo Pcdus

et al. 2017

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Having in mind the increasing amount of spacecraft in orbit, the number of space debris becomes a growing issue. Regarding the space regions around the Earth to be protected, one of them is the Low Earth Orbit (LEO) one, for satellites with altitudes lower than 2000km.Even if the number of incidents in orbit caused by the spacecraft battery is very low when looking at the total number of satellite breakup events (around 3,6% -none of them were equipped with Li-Ion batteries) the uncontrolled nature of such events and their dramatic potential consequences make necessary a proper treatment, in the form of countermeasures that are fully justified taking into account the limited impact in mass and cost on the PCDU. This paper deals with the different strategies followed in the Airbus DS LEO PCDUs regarding the implementation of the passivation function in several LEO missions with different architectures (DET and MPPT solar array power conditioning). In the selection of the solution implemented in the frame of every mission, a key driver is the degree of advance in the test performed over flight representative battery modules regarding their safe behavior when deeply depleted after a long period in orbit with the passivation applied over the spacecraft.

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Section: Det and Mpptmentioning

confidence: 99%

Passivation Strategies on Board Airbus ds Leo Pcdus

et al. 2017

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“…A solar array regulator (SAR) extracts the power from the solar array (PSA) and delivers it to the regulated power bus. Two families of solar array regulators are widely used on ESA spacecrafts: Direct Energy transfer topologies as the Sequential Switching Shunt Regulator (S³R) [1] and PWM converters with Maximum Power Point Tracker [2][3] [4][5] [6] [7].…”

Section: A the Advantages Of The Regulated Busmentioning

confidence: 99%

“…The relation between the SA voltage and battery voltage is given in (5). 2 1    SA BAT V V (5) Current ripples in L1 and L2 depend on the G2 PWM signal controlling M2, and its associated duty cycle α2 only. The current in L3 depends on the M1 duty cycle α1 and M3 duty cycle α3.…”

Section: B³r With Vsamentioning

confidence: 99%

“…2 an alternative solution could be proposed. In first instance one could think to use one of the recent ideas of using Buck Boost Converter (B²R) converters as solar array regulators [2]. By using such converters the solar array Maximum Power Point Voltage (VMPP) can be made in all conditions closer to the bus voltage than if simple buck or boost converters are used.…”

Section: Buck-buck Boost Regulator Introductionmentioning

confidence: 99%

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Multiple port DC DC converter for spacecraft Power Conditioning Unit

Mourra

Fernández

Tonicello

et al. 2012

2012 Twenty-Seventh Annual IEEE Applied Power Electronics Conference and Exposition (APEC)

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In a satellite, the main function of a Power Conditioning Unit (PCU) is to manage the energy coming from several power sources (usually solar arrays and battery) and to deliver it continuously to the users in an appropriate form during the overall mission. The objective of this paper is to present an electronic switching DC-DC converter called BuckBuck-Boost Regulator (B³R) that could be used as a modular and recurrent solution for regulated satellite power bus classes. The power conversion stages of the B³R topology are first described. Then theoretical equations and practical tests illustrate how the converter operates in term of power conversion, control loops performances and efficiency. The paper finally provides some examples of single point failure tolerant implementation using the B³R.

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“…In distributed generation (DG) systems [19] and satellite power systems [20] [21] different DC-DC converters need to be designed in which the input or output current control depends on their position in the system. Proton exchange membrane fuel cell (PEMFC) systems are good candidates for supplying electrical power in DG systems [22] residential environments [23], electric vehicles [24] [25] and DC bus applications [26].…”

Section: Introductionmentioning

confidence: 99%

LMI Control Design of a Non-Inverting Buck-Boost Converter: a Current Regulation Approach

Murillo¹,

Huertas²,

Pinzón³

et al. 2017

TECCIENCIA

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This paper presents an analytical study of an input current-mode control based on a linear matrix inequalities (LMI) for a noninverting buck-boost converter. The LMI control technique makes better the dynamic response of this converter in comparison with previous research works, where its currents has been regulated using a classical analogue PI controller with an additional pole. The main features of the selected converter are its voltage step-up and step-down properties, high efficiency, wide bandwidth and low input and output current ripples. All of these converter's properties allows it to be used as a modular converter capable of being positioned at any converter locations in hybrid systems, which are formed by varying-voltagesources, current controlled dc-dc converters and auxiliary storage devices such as batteries or capacitors. The designed statefeedback controller has the following aims, among others: pole placement constraints, control effort limitation, and decay rate and bandwidth improvement. The use of state-space averaging (SSA) method allows to describe LMI constraints which guarantees stability and provide good performances under a close loop pole region and control signal bound. The theoretical analysis have been simulated by means of Matlab and PSIM on an 800-W coupled-inductor buck-boost dc-dc switching converter.Keywords: Coupled Inductors, Current Control, DC-DC Power Converters, Linear Matrix Inequality (LMI), Non-Inverting Buckboost Converter. ResumenEste artículo muestra un estudio analítico de control de entrada de modo-corriente basado en Desigualdades Lineales Matriciales (DLM) para un convertidor no-inversor buck-boost. La técnica de control DLM mejora la respuesta dinámica de este convertidor en comparación con trabajos de investigación anteriores, donde las corrientes han sido reguladas usando un controlador clásico análogo PI con un polo adicional. Las principales características del convertidor seleccionado son sus propiedades de subir y bajar por paso, alta eficiencia, amplio ancho de banda y bajas oscilaciones de corrientes de entrada y salida. Todas estas propiedades permiten que el convertidor sea usado de manera modular, siendo capaz de ser posicionado en cualquier posición de convertidor en sistemas híbridos, los cuales son conformados por fuentes de voltaje variable, convertidores dc-dc controlados por corriente, dispositivos de almacenamiento auxiliares como baterías y capacitores. El controlador de estado de retroalimentación diseñado tiene los siguientes objetivos, entre otros: restricciones de la ubicación del polo, limitación en el esfuerzo de control, tasa de decaimiento y mejora en ancho de banda. El uso del método de promedio en espacio de estado (PEE) permite describir restricciones DLM que garantizan la estabilidad y proveen buen rendimiento en una región de polo de ciclo cerrado y sujeto a la señal de control. El análisis teórico fue simulado usando Matlab y PSIM en un convertidor conmutable dc-dc buck-boost de inductor acoplado de 800-W.

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Buck Boost Regulator (B<sup>2</sup>R) for spacecraft Solar Array Power conversion

Cited by 20 publications

References 3 publications

Passivation Strategies on Board Airbus ds Leo Pcdus

Passivation Strategies on Board Airbus ds Leo Pcdus

Multiple port DC DC converter for spacecraft Power Conditioning Unit

LMI Control Design of a Non-Inverting Buck-Boost Converter: a Current Regulation Approach

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