Influence of transformer parasitics in low-power applications

Prieto, M.J.; Fernández, Arturo; Díaz, J.; Lopera, J.M.; Sebastián, J.

doi:10.1109/apec.1999.750517

Cited by 26 publications

(7 citation statements)

References 3 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Thus, the equivalent expression also consists of a voltage source (8) and a loss-free resistor (9) As can be seen, the is not a real resistor but just a mathematical expression that behaves as a resistor (the voltage is proportional to the current).…”

Section: Table II Main Expressions Of the Aics Based On A Half-wave Rmentioning

confidence: 99%

Low-power flyback converter with synchronous rectification for a system with AC power distribution

Fernández

Sebastián

Villegas

et al. 2002

IEEE Trans. Ind. Electron.

Self Cite

View full text Add to dashboard Cite

IEC 1000-3-2 regulations impose a reduced harmonic content on any converter with an input power higher than 75 W. However, if the power architecture of the system is based on small on-board converters, and the total power is higher than 75 W, IEC regulations must be fulfilled although each individual converter need not comply with the regulations. In this paper, one of the different possible solutions is presented. Each on-board converter has an active input current shaper (AICS) in order to reduce the input current harmonic content of each converter and, hence, to comply with IEC 1000-3-2 regulations. Moreover, two different types of AICSs were compared: the conventional one and a new type of AICS based on a full-wave rectifier.

show abstract

Section: Table II Main Expressions Of the Aics Based On A Half-wave Rmentioning

confidence: 99%

Low-power flyback converter with synchronous rectification for a system with AC power distribution

Fernández

Sebastián

Villegas

et al. 2002

IEEE Trans. Ind. Electron.

Self Cite

View full text Add to dashboard Cite

show abstract

“…Since the windings have one terminal shorted (center tap), the degrees of freedom [5], in both models, can be reduced to three and all the involved parameters, in form of lumped capacitors, can be calculated with the same number of FEA simulations. Following the procedure described in [5], the electric energy in the volume of the magnetic component can be calculated by means of equation (1). As both models have three degrees of freedom, equation (1) ¿fffD.ÉdV (1) …”

Section: The Proposed Symmetric Capacitive Modelmentioning

confidence: 99%

“…Following the procedure described in [5], the electric energy in the volume of the magnetic component can be calculated by means of equation (1). As both models have three degrees of freedom, equation (1) ¿fffD.ÉdV (1) …”

Section: The Proposed Symmetric Capacitive Modelmentioning

confidence: 99%

“…In this sense the accurate modeling of capacitive effects in magnetic components, such as transformer for power converters, is very important in order to analyze the electric behavior and performance of the system in which the component will be placed [1][2][3]. Actual capacitive models for high frequency transformers have many parameters in the form of lumped capacitors in the equivalent electric circuit [3][4][5] and the number of required elements to model the capacitive effects rapidly increases as the number of windings of the transformer grows, as it is shown in Figure 1, or if a complex model is needed to take into account all the desired capacitive effects [5].…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

A simplified capacitive model for center-tapped multi-windings transformers

Holguín

Asensi

Prieto

et al. 2015

2015 IEEE Applied Power Electronics Conference and Exposition (APEC)

View full text Add to dashboard Cite

“…At t=t 1 , the diode D on the secondary side is turned on. From equation (2), the stray capacitance voltage V Cr (t 1 ) can be obtained as: where…”

Section: B Operational Principlesmentioning

confidence: 99%

Analysis and Design of a High Voltage Flyback Converter with Resonant Elements

Hong¹,

Ji²,

Jung³

et al. 2010

Journal of Power Electronics

View full text Add to dashboard Cite

This paper presents the operational characteristics of a high voltage flyback converter with resonant elements. In high voltage low power applications, the effect of a transformer's stray capacitance might be the most important factor that influences the overall performance of the circuit. A detailed mode analysis and the design procedure are presented in designing the high voltage flyback converter. To verify and confirm the validities of the presented analysis and design procedure, a computer simulation and experiments have been performed.

show abstract

Influence of transformer parasitics in low-power applications

Cited by 26 publications

References 3 publications

Low-power flyback converter with synchronous rectification for a system with AC power distribution

Low-power flyback converter with synchronous rectification for a system with AC power distribution

A simplified capacitive model for center-tapped multi-windings transformers

Analysis and Design of a High Voltage Flyback Converter with Resonant Elements

Contact Info

Product

Resources

About