Effects of Nonlinearity in Input Filter on the Dynamic Behavior of an Interleaved Boost PFC Converter

Liu, Yitao; Yin, Shengyan; Pan, Xuewei; Wang, Huaizhi; Wang, Guibin; Peng, Jianchun

doi:10.3390/en10101530

Cited by 4 publications

(3 citation statements)

References 21 publications

(21 reference statements)

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“…In addition, a simplified differential mode noise model is developed by the authors in [127]. The authors in [128] proposed a magnetic modelling of an interleaved power factor correction converter with an input differential mode EMI filter. A study on DPWM based control method and spectral flattening technique for a medium rated power DC-DC converter is proposed by the authors in [129].…”

Section: Concept Of Random Carrier Frequency Modulationmentioning

confidence: 99%

A State-of-the-Art Review on Conducted Electromagnetic Interference in Non-Isolated DC to DC Converters

et al. 2020

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One of the most challenging and interesting field in power electronics is the ability to mitigate the Electromagnetic Interference (EMI). A natural source of EMI includes the atmospheric discharge/charge phenomena and extra-terrestrial radiation. Man-made source of EMI are line radiation, auto ignition, radio frequency interference and power lines. Suppression of EMI and enhancing the Electro Magnetic Compatibility (EMC) has become essential in high frequency power electronic converters. This review article is a one stop solution for new researchers and practitioners to understand about the effects of EMI and its suppression techniques in detail. INDEX TERMS Electro magnetic compatibility, electro magnetic interference, mitigation.

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Section: Concept Of Random Carrier Frequency Modulationmentioning

confidence: 99%

A State-of-the-Art Review on Conducted Electromagnetic Interference in Non-Isolated DC to DC Converters

et al. 2020

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“…Different from [18], the proposed approach can be generalized for power inductors; it is cheaper compared to [22], which uses a temperature chamber, and a commercial system such as [25] and can be built for laboratory purposes. The inductor thermal behavior and modeling are relevant to the DC/DC converter and EMI filter design [23,24,[29][30][31]. Our contribution addresses this issue since the characterization always takes into account the temperature measured on the core.…”

Section: Introductionmentioning

confidence: 99%

Non-Linear Inductors Characterization in Real Operating Conditions for Power Density Optimization in SMPS

et al. 2021

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The exploitation of power inductors outside their linear region in switching converters can be achieved by raising the current until a decrease in the inductance can be noticed. This allows using a smaller magnetic core, increasing the power density of the converter. On the other hand, a detailed description of the magnetization curve including the temperature is required. Since this information is often not included in the inductor’s datasheets, this paper shows how to identify the behavior of an inductor when it is operated up to saturation and its temperature rises. In order to characterize the inductor in real operating conditions, a dedicated measurement rig was developed. It consists of a switching converter that encompasses the inductor under test and is controlled by a virtual instrument developed in LabVIEW. The characterization system was tested by retrieving the inductance and the magnetization curves vs. current for two commercial inductors at core temperatures up to 105 °C. The magnetic core was then characterized by the saturation current vs. inductance, obtaining an expression for the whole family of inductors sharing the same core. Finally, we experimentally analyzed the thermal transient of the inductors in operating conditions, confirming the fundamental role of the temperature in changing the current profiles and the core saturation condition.

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“…The control algorithm's digitalization is described in [21][22][23][24][25][26][27][28] where the authors put much enthusiasm in research into FPGA's and DSP's implementation. The authors in [21][22][23] describe the measurement methods based on VCO and authors in [24][25][26][27][28] focus on control. Almost all published algorithms are based mainly on instantaneous current measurements and prediction strategy.…”

Section: Introductionmentioning

confidence: 99%

Digital Control of an Interleaving Operated Buck-Boost Synchronous Converter Used in a Low-Cost Testing System for an Automotive Powertrain

2018

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Based on the standardization in the automotive industry, systems require extensive testing, which represents significant costs regarding personnel and equipment. The testing systems must be built in such a way that a bidirectional power flow is possible between the power source and the tested system. Additionally, applied testing systems have to possess high disturbance immunity. Classical current programmed control performed using an analogue approach suffers from low disturbance rejection during switching operation. The digital control of DC-DC converter can solve this problem with the use of digital integration in a measurement chain. The integrals of values are obtained by using a Voltage Control Oscillator (VCO) and appropriate counters. Digital control of an interleaving operated bidirectional buck-boost synchronous converter can be applied in the testing system for automotive powertrains. The voltage and current measurements with the application of an integral-measurement principle act as low-pass filters, which remove the disturbances from the measured values. The digital implementation of a compensation ramp (current mode control) and method for choice of control parameters are described. All the tasks for measurements, as well as current and voltage control, were implemented within the FPGA (Field Programmable Gate Array). The presented converter can operate as a close to ideal voltage or current source, and satisfies the requirements of testing electric motor drive-trains with bidirectional DC-AC converters that are applied in automotive applications. The proposed system was verified by simulation and experiments.

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Effects of Nonlinearity in Input Filter on the Dynamic Behavior of an Interleaved Boost PFC Converter

Cited by 4 publications

References 21 publications

A State-of-the-Art Review on Conducted Electromagnetic Interference in Non-Isolated DC to DC Converters

A State-of-the-Art Review on Conducted Electromagnetic Interference in Non-Isolated DC to DC Converters

Non-Linear Inductors Characterization in Real Operating Conditions for Power Density Optimization in SMPS

Digital Control of an Interleaving Operated Buck-Boost Synchronous Converter Used in a Low-Cost Testing System for an Automotive Powertrain

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