Power loss reduction in electronic inverters trough IGBT-MOSFET combination

Marinov, Angel; Valchev, Vencislav Cekov

doi:10.1016/j.proeps.2009.09.237

Cited by 11 publications

(7 citation statements)

References 7 publications

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“…A longer lifetime inverter for PV AC modules was also studied in [21]. However, in the literature, to the best knowledge of the authors of this article, no comparative study has been presented about the electro-thermal effects of the MPPT algorithms on the DC/DC converters employed within PV systems, although the temperature influence and importance of the electro-thermal design were mentioned in [22,23] and an improved thermal profile for PV inverters was assessed by power limit control method within the P&O method in [24,25]. Most of the studies focused on comparing the tracking efficiency, signal ripple, speed response, sensitivity to environmental conditions, and ease of hardware and software implementation and converter suitability among MPPT methods.…”

Section: Introductionmentioning

confidence: 99%

Effects of Power Tracking Algorithms on Lifetime of Power Electronic Devices Used in Solar Systems

2016

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Abstract:In photovoltaic solar energy systems, power management algorithms (PMAs), usually called maximum power point tracking (MPPT) algorithms, are widely used for extracting maximum available power at every point in time. However, tracking the maximum power has negative effects on the availability of solar energy systems. This is due, mainly, to the created disturbances and thermal stresses on the associated power electronic converters (PECs). This work investigates the effects of PMA on the lifetime consumption, thermal stresses and failures on DC-DC converters used in solar systems. Firstly theoretical analysis and modelling of photovoltaic solar systems including converter's electro thermal characteristics were developed. Subsequently, experiments on photovoltaic solar systems were carried out using two different PMAs, namely, perturb and observe (P&O) and incremental conductance (IC). Real-time data was collected, under different operating conditions, including thermal behavior using thermal imaging camera and dSPACE. Converters' thermal cycling was found to be approximately 3 • C higher with the IC algorithm. The steady state temperature was 52.7 • C, for the IC while it was 42.6 • C for P&O. Although IC algorithm offers more accurate power management tool, it causes more severe thermal stresses which, in this study, has led to approximately 1.4 times greater life consumption compared to P&O.

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Section: Introductionmentioning

confidence: 99%

Effects of Power Tracking Algorithms on Lifetime of Power Electronic Devices Used in Solar Systems

2016

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“…From this point of view, the research contributed to the development of inverters. As it has been developed in reducing the losses, reducing Total Harmonic Distortion (THD), and reducing the components [2][3]. One of the solutions used in the development of inverters is the use of differential inverters because of their advantages such as boosting the input voltage, reducing the total number of components, and reducing the cost size [4][5][6].…”

Section: Introductionmentioning

confidence: 99%

Comparison Study between Three-phase Differential-mode Inverter and Semi Z-Source Inverter for Micro-Inverter Applications

Ismeil

2021

SVU-International Journal of Engineering Sciences and Applicati

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the differential mode converters are presented which offers can reduce the passive elements such as inductors and capacitors. This results in a reduction in the size of the device improve reliability and reduce the total cost. One of the most promising systems in differential mode converters is the Single-Ended Primary-Inductor Converter (SEPIC). SEPIC has some advantages over the other topologies including lower components and the ability of isolation by using a high-frequency transformer. It is worth mentioning that this model is one of the promising models in the use of renewable energy. On other hand, the Semi Z-Source Inverter (SZSI) is presented to reduce the count of components and work as a four-wire system. The system can be achieved by using three singlephase Semi Z-Source Inverter (SZSI). This paper presents a comparison study between two topologies. In addition, the comparison is achieved based on the voltage and current stress. It has been considered the dynamic response. The comparison is validated based on PSIM software.

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“…Soft switching operates with limited dv/dt and/or di/dt, which have an advantageous effect on electromagnetic compatibility issues, reduces the thermal stresses on the power electronic switches, and combined with the limited dv/dt and/or di/di have a positive impact on the inverter lifetime. Some of the main drawbacks of these techniques are (i) operating at rather fixed loads [3,5], which is not the case in photovoltaic systems, due to the intermittent nature of solar irradiation; (ii) requiring additional components and control signals [3,6], which increases the control complexity and physical implementation of the power electronic inverter; and (iii) operating under a variable carrier frequency [6][7][8], which introduces filtration problems. In [8], a power electronic inverter topology is proposed using hard switching techniques, based on MOSFET and IGBT combination per leg.…”

Section: Introductionmentioning

confidence: 99%

New Pulse Width Modulation Technique to Reduce Losses for Three-Phase Photovoltaic Inverters

Mnati

Bozalakov

Bossche

2018

Active and Passive Electronic Components

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Nowadays, most three-phase, “off the shelf” inverters use electrolytic capacitors at the DC bus to provide short term energy storage. However, this has a direct impact on inverter lifetime and the total cost of the photovoltaic system. This article proposes a novel control strategy called a 120° bus clamped PWM (120BCM). The 120BCM modulates the DC bus and uses a smaller DC bus capacitor value, which is typical for film capacitors. Hence, the inverter lifetime can be increased up to the operational lifetime of the photovoltaic panels. Thus, the total cost of ownership of the PV system will decrease significantly. Furthermore, the proposed 120BCM control strategy modulates only one phase current at a time by using only one leg to perform the modulation. As a result, switching losses are significantly reduced. The full system setup is designed and presented in this paper with some practical results.

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Power loss reduction in electronic inverters trough IGBT-MOSFET combination

Cited by 11 publications

References 7 publications

Effects of Power Tracking Algorithms on Lifetime of Power Electronic Devices Used in Solar Systems

Effects of Power Tracking Algorithms on Lifetime of Power Electronic Devices Used in Solar Systems

Comparison Study between Three-phase Differential-mode Inverter and Semi Z-Source Inverter for Micro-Inverter Applications

New Pulse Width Modulation Technique to Reduce Losses for Three-Phase Photovoltaic Inverters

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