Thermal modelling and reliability analysis of recently introduced high gain converters for PV application

Kishor, Yugal; Patel, R. N.

doi:10.1016/j.cles.2022.100016

Cited by 14 publications

(4 citation statements)

References 23 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Boost converter consists of an inductor, electronic switch device diode, and output filter capacitor. [21][22][23] It basically operates in two modes based on the opening and closing of switches.in mode one when the switch is on, the diode is off then the current passes through the inductor, and energy has stored on it. In mode 2 when the switch is off the voltage that appears across the load is the sum of the voltage across the inductor and the supply voltage.…”

Section: Dc-dc High Gain Convertermentioning

confidence: 99%

Designing and Implementation of Power Converter for Solar Pump to Drive Agriculture Load

Bansal,

Patel,

Nigam

et al. 2023

SMSJ

View full text Add to dashboard Cite

The increasing demand for energy, coupled with the need for sustainable solutions, has led to the exploration of solar energy as an alternative power source. Agriculture and domestic equipment operations are two key areas where solar energy can significantly promote energy efficiency and reduce carbon emissions. The primary objective of this research is to develop a solar pump controller that efficiently harnesses solar power for agricultural and domestic equipment operations. The controller aims to optimize energy utilization, enhance system reliability, and provide cost-effective solutions for end-users. The development of a solar pump controller can help reduce the environmental impact associated with conventional energy sources, improve energy efficiency, and promote sustainable practices. This article discusses the solar pump controller's key components, operational principles, and performance evaluation

show abstract

Section: Dc-dc High Gain Convertermentioning

confidence: 99%

Designing and Implementation of Power Converter for Solar Pump to Drive Agriculture Load

Bansal,

Patel,

Nigam

et al. 2023

SMSJ

View full text Add to dashboard Cite

show abstract

“…Thermal stress: Elevated temperatures may arise due to high switching frequencies and load conditions in DC-DC converters. Effective thermal management techniques, heat sinks, and component selection are employed to manage thermal stress and prevent component failure [20].…”

Section: Component Stressmentioning

confidence: 99%

Maximum Convergence Rate Control of a Switched Electrical Network with Symmetries

Fiori,

Ciaramicoli,

Berluti

2023

Symmetry

View full text Add to dashboard Cite

The purpose of the present research endeavor is to propose a novel control strategy for a DC-DC electrical converter realized as a switched circuit. The present endeavor is based on an early work by Leonard and Krishnaprasad where a prototypical DC-DC converter was modeled as a state space dynamical system and controlled by an open-loop strategy based on Lie group theory. In this work, we shall rather introduce a closed-loop control strategy based on maximum convergence rate, study some features of the novel method, and illustrate its behavior by numerical simulations. A numerical comparison of the two methods complements the paper. The numerical comparison shows how the proposed feedback control method outperforms the static one in terms of convergence rate and resiliency against parameters mismatch.

show abstract

“…In order to evaluate the lifetime of a MOSFET, the Coffin-Manson law is the most used model to evaluate device failure cycles. For example, in [46][47][48], the lifetime of an inverter [49] and of a multi-level converter is estimated with the rainflow counting algorithm with the mean junction temperature and the junction temperature variation as inputs.…”

Section: Introductionmentioning

confidence: 99%

Impact of Chaos on MOSFET Thermal Stress and Lifetime

Morel,

Morel

2024

Electronics

View full text Add to dashboard Cite

The reliability of power electronic switching components is of great concern for many researchers. For their usage in many mission profiles, it is crucial for them to perform for the duration of their intended lifetime; however, they can fail because of thermal stress. Thus, it is essential to analyze their thermal performance. Non-linear switching action, bifurcation and chaotic events may occur in DC-DC power converters. Consequently, they show different behaviors when their parameters change. However, this is an opportunity to study these bifurcation phenomena and the existence of chaos, e.g., in boost converters, on their performance as the effects of load variations (mission profiles) on the system’s behavior. These variations generate many non-linear phenomena such as periodic behavior, repeated period-doubling bifurcations and chaos in the MOSFET drain-source current. Thus, we propose, for the first time, an analysis of the influence of chaos on the junction temperature. First of all, this paper provides a step-by-step procedure to establish an electrothermal model of a C2M0080120D MOSFET with integrated power loss. Then, the junction temperature is estimated by computing the power losses and a thermal impedance model of the switch. Additionally, this model is used to investigate the bifurcation and chaotic behavior of the MOSFET junction temperature. The paper contributes by providing a mathematical model to calculate several coefficients based on experimental data and thermal oscillations. Estimation of the number of cycles to failure is given by the Coffin–Manson equation, while temperature cycles are counted using the rainflow counting algorithm. Further, the accumulated damage results are calculated using the Miner’s model. Finally, a comparison is made between the damage accumulated during different mission profiles: significant degradation of the MOSFET’s lifetime is pointed out for chaotic currents compared to periodic ones.

show abstract

Thermal modelling and reliability analysis of recently introduced high gain converters for PV application

Cited by 14 publications

References 23 publications

Designing and Implementation of Power Converter for Solar Pump to Drive Agriculture Load

Designing and Implementation of Power Converter for Solar Pump to Drive Agriculture Load

Maximum Convergence Rate Control of a Switched Electrical Network with Symmetries

Impact of Chaos on MOSFET Thermal Stress and Lifetime

Contact Info

Product

Resources

About