Core Losses Under the DC Bias Condition Based on Steinmetz Parameters

Mühlethaler, J.; Biela, J.; Kolar, Johann W.; Ecklebe, A.

doi:10.1109/tpel.2011.2160971

Cited by 358 publications

(171 citation statements)

References 23 publications

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“…With regard to the difference between the sinusoidal wave and triangular wave, it is known that the iron loss is determined by the rate of change of the magnetic flux density, dB/dt (6)- (8) . Even if each amplitude of the sinusoidal wave and triangular wave is the same, each iron loss is not the same.…”

Section: Methods For Calculating the Iron Lossmentioning

confidence: 99%

“…Even if each amplitude of the sinusoidal wave and triangular wave is the same, each iron loss is not the same. With regard to DC-biased magnetization, it is expected that the iron loss varies with the size of minor B-H loops (3)- (5) (8) . In future, we will measure the iron loss of FINEMET R core under DC-biased magnetization.…”

Section: Methods For Calculating the Iron Lossmentioning

confidence: 99%

“…They have a low iron loss at hundreds of kHz. The iron loss for the powder cores can be practically and accurately calculated, as described in (3)- (8) , aiding design optimization.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Loss Reduction of Laminated Core Inductor used in On-board Charger for EVs

2015

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A laminated core has advantages such as low iron loss, high permeability, and high saturation flux density. For inductor applications, an air gap has to be inserted into the magnetic circuit to avoid saturation at lower magnetic field strengths. However, when an air gap is inserted, fringing flux leaks out of the air gap and concentrates on the surface of the core. As a result, the iron loss increases to 292% as compared with an ungapped core, and the inductance characteristic deteriorates. Although a core with chamfered edges is known as a prior art that reduces the iron loss to 147%, there is scope for improvement. In this paper, we propose a core with curved edges for loss reduction of the laminated core inductor. Consequently, the proposed shape reduces the iron loss to 113% and improves the inductance characteristic. Thus, the proposed method increases the efficiency and reduces the size of the on-board charger.

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Section: Methods For Calculating the Iron Lossmentioning

confidence: 99%

Section: Methods For Calculating the Iron Lossmentioning

confidence: 99%

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Loss Reduction of Laminated Core Inductor used in On-board Charger for EVs

2015

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“…An empirical equation augurs to formulate the commonly used model for estimating the core loss [24,25] (1)…”

Section: Core Loss Expression and Coefficientsmentioning

confidence: 99%

Effect of Material Properties on Core Loss in Switched Reluctance Motor using Non-Oriented Electrical Steels

Kartigeyan¹,

Ramaswamy²

2017

Journal of Magnetics

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The effort attempts to investigate the influence of various non-oriented electrical steel sheets on the core loss of a switched reluctance motor (SRM). The core loss of the motor inherits a strong correlation with flux density and permeability of the material. The study involves the use of laminated 2.7 % high silicon steel suitable for the motor in view of its higher flux density and lower core loss. The accurate prediction of core loss leaves way to suggest measures for improving the performance of the SRM. The dynamic simulation measurements of a 1.5 kW, three-phase 12/8 SRM involve the finite element method (FEM) and use the data obtained experimentally from Epstein frame. The closeness of the simulated and hardware results obtained with laminations of M400-50A, DI MAX-M19 and DI MAX-M15 both for the stator and rotor, espouse a greater significance to the findings in terms of the core loss density and forge new dimensions for its use in the drive industry.

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“…In [17], [26], expanded core loss map which takes the inductor dc bias condition into account was proposed to evaluate inductor core loss.…”

Section: Introductionmentioning

confidence: 99%

Experimental and Numerical Analysis of a Simple Core Loss Calculation for AC Filter Inductor in PWM DC-AC Inverters

Lee¹,

Cha²,

Lee³

et al. 2013

Journal of Power Electronics

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This paper introduces a simple core loss calculation method for output filter inductor in pulse width modulation (PWM) DC-AC inverter. Amorphous C-core (AMCC-320) is used to analyze the core loss. In order to measure core loss of the output filter inductor and validate the proposed method, a single-phase half-bridge inverter and a calorimeter are used. By changing switching frequency and modulation index (MI) of the inverter, core loss of the AMCC-320 is measured with the lab-made calorimeter and the results are compared with calculated core loss. The proposed method can be easily extended to other core loss calculation of various converters.

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Core Losses Under the DC Bias Condition Based on Steinmetz Parameters

Abstract: To have units work out properly, the Steinmetz equation should actually be written Pv = k f f ref α B Bref β . However, it is very common to use (1) and implicitly assume B ref = 1 T and f ref = 1 Hz (or another set of units).

Cited by 358 publications

References 23 publications

Loss Reduction of Laminated Core Inductor used in On-board Charger for EVs

Loss Reduction of Laminated Core Inductor used in On-board Charger for EVs

Effect of Material Properties on Core Loss in Switched Reluctance Motor using Non-Oriented Electrical Steels

Experimental and Numerical Analysis of a Simple Core Loss Calculation for AC Filter Inductor in PWM DC-AC Inverters

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