Development of One-kilowatt Capacity Single Phase Pure Sine Wave Off-grid PV Inverter

Das, Saurav; Haque, Md. Rezanul; Razzak, Md. Abdur

doi:10.1109/tensymp50017.2020.9230909

Cited by 5 publications

(1 citation statement)

References 7 publications

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“…To perform the AC-DC operation the conventional diode rectifier might be used which leads to more power loss consequently the power factor as well as THD degrades. To maintain the PFC tropology might be used which is complicated and costly [7][8][9][10][11][12][13][14][15][16][17][18]. To get rid of it a low-frequency coupled inductor-based AC-DC converter has been used which is associated with a LCL filter and two diodes [19][20][21][22].…”

Section: Introductionmentioning

confidence: 99%

A Modified PI-Controller Based High Current Density DC–DC Converter for EV Charging Applications

2023

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Electric vehicles (EVs) are getting more popular in the field of automobiles due to environmental factors and others. Since electric vehicles manage their power from the rechargeable battery so it's essential to have a reliable, efficient, and economical battery charger that can provide stable required output for the specified EV's battery. In this paper, a DC-DC converter with a modified PI controller has been presented which helps to achieve the required output voltage and high current density with negligible overshoot for the specified lithium-ion battery system to minimize the charging time. Apart from minimizing the power loss of the active switches, the proposed system minimizes the junction temperature which eventually improves the life cycle of the converter. The analysis of the proposed converter is performed both in ideal and non-ideal conditions. The power loss of the active switches and the junction temperature have also been analyzed. An economical and effective dc and ac side inductor has been designed and perform the total power loss and the temperature rise. The analysis results show that the proposed converter can maintain a power factor of more than 90% and a total harmonic distortion of less than 0.46%, which is ideal for the high-density load current. The reliability of the dc-dc converter is also evaluated. A hardware prototype has also been implemented to confirm its viability for EV battery charging applications.INDEX TERMS Buck, Lithium-ion battery charger, Electric vehicle battery charger, AC-DC converter, Isolated ac-dc converter, Power factor correction, MOSFET power loss estimation, MOSFET thermal analysis, Modified PI controller, State-space representation of converter.

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Section: Introductionmentioning

confidence: 99%

A Modified PI-Controller Based High Current Density DC–DC Converter for EV Charging Applications

2023

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High current density DC-DC converter with Modified PI controller for fast charging applications in EVs

Sridevi,

Gayatri,

Sharada

et al. 2024

E3S Web Conf.

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As electric vehicles (EVs) become increasingly prevalent, the demand for efficient and high-performance DC–DC converters in the charging infrastructure is paramount. Electric vehicles, powered by rechargeable batteries or fuel cells, hence is necessary to have a cost-effective and efficient battery charger to deliver the consistent output current needed for the designated EV's battery. This paper adds a new and more effective approach of design and control of a DC–DC converter with bidirectional capability appropriate for incorporation in EV charging systems aimed at enhancing the current density and control issues inherent in the charging /discharging process. It appears to provide the necessary high current density besides battery out as soon as possible and also to impose an unimportant overshooting of the charging time for demanded lithium-ion battery system while charging it. The converter circuit contains the following equipment in its construction include single phase AC voltage source, linear transformer, passive component that includes the inductor and capacitor and bridge rectifier. Usually, Simulink/MATLAB is used for the purpose of various simulations. Using the MATLAB simulation the design of the concept system offered in this proposal has been proved. Monitored the current in amperes that the battery charger is supplying to the battery, closely observed the condition and voltage of the battery.

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Modified PI Controller For BLDC Motor In Electric Vehicle Applications

Jayabaskaran¹,

Suresh²

2023

2023 International Conference on Computer Communication and Informatics (ICCCI)

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Development of One-kilowatt Capacity Single Phase Pure Sine Wave Off-grid PV Inverter

Cited by 5 publications

References 7 publications

A Modified PI-Controller Based High Current Density DC–DC Converter for EV Charging Applications

A Modified PI-Controller Based High Current Density DC–DC Converter for EV Charging Applications

High current density DC-DC converter with Modified PI controller for fast charging applications in EVs

Modified PI Controller For BLDC Motor In Electric Vehicle Applications

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