Blog

HARMONICS IMPACT

HARMONICS IMPACT

The impact of harmonics over winding losses have already been analysed by Juan Gallego in his application note Impact of Harmonic Analysis in Magnetic Design. The objective of this paper is to show a real example case of how harmonics can considerably affect the performance of a transformer and to provide some guidelines for reducing such impact at the design stage.

16/09/2019

VIEW
HARMONICS IMPACT

HARMONICS IMPACT

The impact of harmonics over winding losses have already been analysed by Juan Gallego in his application note Impact of Harmonic Analysis in Magnetic Design. The objective of this paper is to show a real example case of how harmonics can considerably affect the performance of a transformer and to provide some guidelines for reducing such impact at the design stage.

16/09/2019

VIEW
Fringing flux effect in Inductance

Fringing flux effect in Inductance

The fringing flux is an effect that happens around air gaps when the magnetic cores are excited. The magnetic flux lines swell because the magnetic lines repel each other when passing through a nonmagnetic material, causing a decrease in the flux density. Many models have been developed along the years. In this app note six models are studied and compared against measurements, plotting the values and their relative error.

21/08/2019

VIEW
FRENETIC CON 2019 WAS A HUGE SUCCESS.

FRENETIC CON 2019 WAS A HUGE SUCCESS.

Our annual event served as an international platform to bring together experts from the power electronics and magnetics industry.

01/08/2019

VIEW
LEAKAGE INDUCTANCE IN TRANSFORMERS

LEAKAGE INDUCTANCE IN TRANSFORMERS

Designing a magnetic component with a specific leakage inductance can be challenging and difficult to predict as the theoretical results commonly differ form reality. The objective of this App Note is to show how to control the leakage inductance, and check the theoretical knowledge with experimental results.

05/07/2019

VIEW
PARASITIC CAPACITANCE IN PLANAR TRANSFORMERS

PARASITIC CAPACITANCE IN PLANAR TRANSFORMERS

In this app note we are going to prove the effectiveness of Frenetic AI calculating the parasitic capacitance comparing Frenetic estimation with the theoretically calculated using different models and real measurements.

11/06/2019

VIEW
COMPARISON OF ISOLATED DC-DC CONVERTER TOPOLOGIES FOR HIGH POWER APPLICATIONS

COMPARISON OF ISOLATED DC-DC CONVERTER TOPOLOGIES FOR HIGH POWER APPLICATIONS

In this application note a comparison of Phase Shifted Full Bridge (PSFB) and Full Bridge LLC (FB-LLC) converters will be presented.

28/05/2019

VIEW
PLANAR MAGNETICS DESIGN: TWO-DIMENSIONAL WINDING LOSSES CALCULATION

PLANAR MAGNETICS DESIGN: TWO-DIMENSIONAL WINDING LOSSES CALCULATION

The objective of this App Note is to compare two winding losses calculation models: the classical Dowell one-dimensional (1-D) model and a twodimensional (2-D) model, that takes the edge effect into consideration.

13/05/2019

VIEW
FULL BRIDGE TRANSFORMER DESIGN: KEY ASPECTS

FULL BRIDGE TRANSFORMER DESIGN: KEY ASPECTS

In this app note it will briefly commented some key aspects to take in consideration for the design of the Full Bridge transformer. It will consider a secondary side with center tap, but it can be considered for a single secondary winding.

09/05/2019

VIEW
INDUCTOR CHARACTERIZATION THROUGH THE MEASUREMENT OF MAGNETIC FLUX DENSITY

INDUCTOR CHARACTERIZATION THROUGH THE MEASUREMENT OF MAGNETIC FLUX DENSITY

As part of Frenetic's hardware testing of magnetic components, a magnetic flux measurement circuit has been developed.

29/04/2019

VIEW
COMMON-MODE NOISE REDUCTION THROUGH SHIELDING TECHNIQUE

COMMON-MODE NOISE REDUCTION THROUGH SHIELDING TECHNIQUE

In this application note common-mode noise reduction is discussed.

23/04/2019

VIEW
HYSTERESIS LOSSES: LOSSES IN THE CORE THAT RESULT IN AN INCREASE OF TEMPERATURE

HYSTERESIS LOSSES: LOSSES IN THE CORE THAT RESULT IN AN INCREASE OF TEMPERATURE

In this App Note hysteresis losses will be discussed.

15/04/2019

VIEW
INDUCTOR SIZE REDUCTION, DECREASING THE VOLTS PER SECONDS APPLIED

INDUCTOR SIZE REDUCTION, DECREASING THE VOLTS PER SECONDS APPLIED

In this application note it is presented one strategy to reduce the size of magnetics, based on synchronizing both power stages, a voltage fed topology in cascade with a current fed circuit.

09/04/2019

VIEW
FILTER DESIGN FOR GRID CONNECTED SYSTEMS

FILTER DESIGN FOR GRID CONNECTED SYSTEMS

The objective of this App Note is to show how to design a filter for gridconnected inverters that are widely used in solar and wind generation plants. Namely, various topologies, and strategies to optimize the size, stability and the efficiency of the system will be covered.

05/04/2019

VIEW
LAMINATED CORES: A QUICK INTRODUCTION TO DESIGN

LAMINATED CORES: A QUICK INTRODUCTION TO DESIGN

The objective of this app note​ is to introduce laminated cores, explaining why they are used instead of solid cores when eddy currents must be low and some of the difficulties that magnetic designers can find when this core construction is needed.

05/04/2019

VIEW
LOSSES DUE TO FRINGING FLUX: ESTIMATION, TESTING AND AVOIDANCE

LOSSES DUE TO FRINGING FLUX: ESTIMATION, TESTING AND AVOIDANCE

​The fringing flux is an effect appearing in gapped magnetic, where the magnetic flux lines bulge outward due to mutual repulsion. This is translated into a modification of the inductance and a possible overheating in the wires surrounding the gap.

05/04/2019

VIEW

We use cookies to improve your experience on our website. By clicking ACCEPT, you agree to SP Frenetic Privacy Policy and Terms of Use. To learn more about how we use cookies, please see our Cookie Policy

We use cookies to improve your experience on our website. By clicking ACCEPT, you agree to SP Frenetic Terms of Use & our Cookie Policy

ACCEPT