Standalone electric vehicle charging station using an isolated bidirectional converter with snubber

Nair, Divya Krishnan; Prasad, K.; Lie, Tek Tjing

doi:10.1002/est2.255

Cited by 9 publications

(14 citation statements)

References 11 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…This curve was obtained with a fixed input voltage of 400 V. The maximum efficiency for case 1, having BDC with flyback snubber and passive snubber, is 90%, whereas for case 2, it is about 92%. It was previously shown in [3] that the efficiency of BDC without the snubber circuit was less than the BDC with a snubber circuit. The efficiency curves shown in Figure 14 indicate that an off-grid charging station for EVs by using a BDC with snubber circuits is improved.…”

Section: Case 2 Using Model Proposed Previously By the Authors [3]mentioning

confidence: 94%

“…We used a standalone charging station for EVs [3]. It consists of a PV panel, ESU, BDC with a snubber circuit-the EVs act as the load.…”

Section: Case 2 Using Model Proposed Previously By the Authors [3]mentioning

confidence: 99%

“…An ESU with a capacity of 80 kWh stores the power to charge 40 kWh EVs. The performance of the proposed charging station was carried out using MATLAB/Simulink by considering three cases-EVs are charged (i) with the PV array only, (ii) with both PV array and ESU, and (iii) with the ESU only [3]. Figure 11 shows the clamp branch voltage across each active snubber circuit.…”

Section: Case 2 Using Model Proposed Previously By the Authors [3]mentioning

confidence: 99%

“…Kumar et al [2] described a standalone charging station, but this station does not use any snubber circuit. In the previous study [3], the beneficial effects of using a flyback snubber were reported. However, a systematic comparison of the performance of the off-grid EVs charging station with various available snubber circuit configurations was not performed.…”

Section: Introductionmentioning

confidence: 99%

“…An alternative method is to charge the leakage inductance to the current level of the current-fed inductor, thereby reducing the current difference as well as reducing the voltage and current spikes. However, it is difficult to tune the switching diagram to match these two currents, as the current level varies with the load conditions [3].…”

Section: Introductionmentioning

confidence: 99%

See 4 more Smart Citations

Implementation of Snubber Circuits in a PV-Based Off-Grid Electric Vehicle Charging Station—Comparative Case Studies

2021

Self Cite

View full text Add to dashboard Cite

With the penetration of electric vehicles (EVs), there have been paradigm shifts in the transportation sector. EVs are ideally considered to be clean and eco-friendly, but they can overload the existing grid infrastructure and significantly contribute towards carbon emissions depending on the source of charging. The ideal solution is to develop a charging infrastructure for EVs that is integrated with solar energy technology. This paper presents the design of a zero-voltage switching snubber-based bidirectional converter for an off-grid charging station for EVs. The proposed system includes a solar array with a boost converter, a bidirectional converter with snubber circuits and an energy storage unit. A comprehensive comparison between various types of snubbers, such as the resistive capacitive diode snubber, active clamp snubber and flyback snubber, is presented. This type of system configuration clamps the rail voltage, due to the difference in current between leakage inductance and low voltage side-fed inductor currents, resulting in reduced current spikes at the converter’s switches. Such a converter, therefore, leads to higher efficiency of the charging station for EVs. The design of a snubber-based off-grid charging station for EVs is formulated and validated in the MATLAB/Simulink environment.

show abstract

Section: Case 2 Using Model Proposed Previously By the Authors [3]mentioning

confidence: 94%

“…We used a standalone charging station for EVs [3]. It consists of a PV panel, ESU, BDC with a snubber circuit-the EVs act as the load.…”

Section: Case 2 Using Model Proposed Previously By the Authors [3]mentioning

confidence: 99%

Section: Case 2 Using Model Proposed Previously By the Authors [3]mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Implementation of Snubber Circuits in a PV-Based Off-Grid Electric Vehicle Charging Station—Comparative Case Studies

2021

Self Cite

View full text Add to dashboard Cite

show abstract

Optimizing Cost and Emission Reduction in Photovoltaic–Battery‐Energy‐Storage‐System‐Integrated Electric Vehicle Charging Stations: An Efficient Hybrid Approach

Kirubadevi,

Sathesh Kumar,

et al. 2024

Energy Tech

View full text Add to dashboard Cite

In this article, an optimal photovoltaic (PV) and battery energy storage system with hybrid approach design for electric vehicle charging stations (EVCS) is proposed. The hybrid approach combines the use of polar transformer networks (PTNs) and the puzzle optimization algorithm (POA); hence it is called as POA–PTN approach. The main objective is to lessen the charging station cost and pollutant emissions. The proposed method is minimizing the pollutant emissions and the annual cost of PV with EVCS, which is done by POA method and predicts the optimal solution is done by PTN approach. The proposed method is executed in the MATLAB platform, and compared with existing methods, including heap‐based optimization, particle swarm optimization, and wild horse optimizer approaches. The proposed technique demonstrates superior performance, achieving the lowest net present cost of €1.45 × 106 and emissions of 2.25 × 108 g year−1 with a shorter computing time of 13.04 s compared to the other methods.

show abstract

An optimization framework for capacity allocation and energy management of fast electric vehicle charging stations‐wind photovoltaic energy using artificial transgender longicorn algorithm

Arivalahan

Balaji

2022

Intl J of Energy Research

View full text Add to dashboard Cite

Summary This paper proposes the optimal design for fast electric vehicle charging stations for the capacity configuration of components and the power scheduling strategy. The proposed approach is the artificial transgender longicorn algorithm, which is a simple and powerful controller. The optimal capacity of the system components and the optimal power scheduling approach are determined. First, an electric vehicle charging simulation model is built considering the demand response, which dynamically modified the charging expectation based on the electricity price at the time of use. Second, based on the system design, a multi‐objective optimization model is proposed with minimal objectives for the electricity cost and polluting emissions. Finally, a scenario analysis is carried out and it is concluded that renewable energy supplies, connection to the utility grid and demand response may help improve the performance of the optimization objectives. By then, the performance of the proposed technique is implemented in the MATLAB platform and compared with several existing approaches.

show abstract

Standalone electric vehicle charging station using an isolated bidirectional converter with snubber

Cited by 9 publications

References 11 publications

Implementation of Snubber Circuits in a PV-Based Off-Grid Electric Vehicle Charging Station—Comparative Case Studies

Implementation of Snubber Circuits in a PV-Based Off-Grid Electric Vehicle Charging Station—Comparative Case Studies

Optimizing Cost and Emission Reduction in Photovoltaic–Battery‐Energy‐Storage‐System‐Integrated Electric Vehicle Charging Stations: An Efficient Hybrid Approach

An optimization framework for capacity allocation and energy management of fast electric vehicle charging stations‐wind photovoltaic energy using artificial transgender longicorn algorithm

Contact Info

Product

Resources

About