On-line efficiency estimation for DC/DC converter cluster by dedicated software

Bartal, Peter; Nágy, I.

doi:10.1109/energycon.2012.6348261

Cited by 2 publications

(3 citation statements)

References 30 publications

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“…boost converter [5], are addressed. Several methods to measure system-level power loss have been deliberated in some of the research work, for instance in [6,7], electrical power method and calorimetric methods are provided.…”

Section: Acrmentioning

confidence: 99%

A building-block approach to efficiency and cost models of power electronic systems

Kulkarni

Bazzi

2014

2014 IEEE Applied Power Electronics Conference and Exposition - APEC 2014

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This paper presents efficiency and cost models of power electronic converters based on converter ratings and datasheet information. These models aid in creating rapid prototypes which facilitate the component selection process. Through this rapid prototyping, users can estimate efficiency and cost which are essential in design decisions. The proposed approach treats main power electronic components as building blocks that can be re-arranged for different topologies. In order to get efficiency models, power losses of each building block are estimated. Cost models for each building block are derived based on an extensive market survey. Three examples are used to illustrate the proposed approach-boost and buck converters in continuous conduction mode (CCM) and flyback converter in discontinuous conduction mode (DCM). Achieved cost and loss estimates are over 92% accurate when compared to measured losses and real cost data. This paper presents derivations of the proposed models, detailed experimental measurements and demonstration of a GUI that integrates all models.

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Section: Acrmentioning

confidence: 99%

A building-block approach to efficiency and cost models of power electronic systems

Kulkarni

Bazzi

2014

2014 IEEE Applied Power Electronics Conference and Exposition - APEC 2014

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“…This is clear by using either Equation (12) or Equation (13) and can extend to more detailed models. Resistive losses can also be estimated as shown in [16,32], DCR and ACR are provided by datasheets or manufacturers:…”

Section: Capacitor Lossesmentioning

confidence: 99%

“…Figure 6 shows an inductor with non-idealities and Figure 7 shows a typical inductor current waveform in a DC-DC converter. The core loss PCORE is usually obtained by the Steinmetz equation [16,32] to be:…”

Section: Inductor Lossesmentioning

confidence: 99%

Implementation of Rapid Prototyping Tools for Power Loss and Cost Minimization of DC-DC Converters

Kulkarni¹,

Chen²,

Bazzi³

2016

Energies

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In this paper, power loss and cost models of power electronic converters based on converter ratings and datasheet information are presented. These models aid in creating rapid prototypes which facilitate the component selection process. Through rapid prototyping, users can estimate power loss and cost which are essential in design decisions. The proposed approach treats main power electronic components of a converter as building blocks that can be arranged to obtain multiple topologies to facilitate rapid prototyping. In order to get system-level power loss and cost models, two processes are implemented. The first process automatically provides minimum power loss or cost estimates and identifies components for specific applications and ratings; the second process estimates power losses and costs of each component of interest as well as the whole system. Two examples are used to illustrate the proposed approaches-boost and buck converters in continuous conduction mode. Achieved cost and loss estimates are over 93% accurate when compared to measured losses and real cost data. This research presents derivations of the proposed models, experimental validation of the models and demonstration of a user friendly interface that integrates all the models. Tools presented in this paper are expected to be very useful for practicing engineers, designers, and researchers, and are flexible and adaptable with changing or new technologies and varying component prices.

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On-line efficiency estimation for DC/DC converter cluster by dedicated software

Cited by 2 publications

References 30 publications

A building-block approach to efficiency and cost models of power electronic systems

A building-block approach to efficiency and cost models of power electronic systems

Implementation of Rapid Prototyping Tools for Power Loss and Cost Minimization of DC-DC Converters

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