PONE-D-23-39863Enhancing Electric Vehicle Charging Performance through Series-Series Topology Resonance-Coupled Wireless Power TransferPLOS ONE

Dear Dr. Mbadjoun Wapet,

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PLOS ONE

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Additional Editor Comments:

Please carefully address the comments raised by the reviewers.

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Reviewers' comments:

Reviewer's Responses to Questions

Comments to the Author

1. Is the manuscript technically sound, and do the data support the conclusions?

The manuscript must describe a technically sound piece of scientific research with data that supports the conclusions. Experiments must have been conducted rigorously, with appropriate controls, replication, and sample sizes. The conclusions must be drawn appropriately based on the data presented.

Reviewer #1: Partly

Reviewer #2: Yes

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2. Has the statistical analysis been performed appropriately and rigorously?

Reviewer #1: No

Reviewer #2: Yes

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3. Have the authors made all data underlying the findings in their manuscript fully available?

The PLOS Data policy requires authors to make all data underlying the findings described in their manuscript fully available without restriction, with rare exception (please refer to the Data Availability Statement in the manuscript PDF file). The data should be provided as part of the manuscript or its supporting information, or deposited to a public repository. For example, in addition to summary statistics, the data points behind means, medians and variance measures should be available. If there are restrictions on publicly sharing data—e.g. participant privacy or use of data from a third party—those must be specified.

Reviewer #1: Yes

Reviewer #2: Yes

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4. Is the manuscript presented in an intelligible fashion and written in standard English?

PLOS ONE does not copyedit accepted manuscripts, so the language in submitted articles must be clear, correct, and unambiguous. Any typographical or grammatical errors should be corrected at revision, so please note any specific errors here.

Reviewer #1: No

Reviewer #2: Yes

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5. Review Comments to the Author

Please use the space provided to explain your answers to the questions above. You may also include additional comments for the author, including concerns about dual publication, research ethics, or publication ethics. (Please upload your review as an attachment if it exceeds 20,000 characters)

Reviewer #1: 1. You ignored emphasizing the valid reason behind using the grid voltage's positive sequence voltages in the estimation of the unit templates and the possible impacts of distortions of the unbalanced and distorted grid voltages.

2. The exact role of the cascaded PI controller in the EV battery charging process and the mode the reference current is established for the current controller has not been stated.

3. You failed to explain the purposes of hysteresis current controller and the process which supports the generation of gating pulses for the VSC.

4. The different steps involved in the process of modifying the frequency of the AC voltages to achieve synchronization with the grid voltages were left out of the paper.

5. The function and responsibilities of the bidirectional dc-dc converter in regulating the dc link voltage were missing.

6. There is a failure to explore the control pulses for the VSC generated and what role the digital controller plays in implementing the control algorithm across different modes of operation.

7. The concept behind the PWM generator in the charging process and how it facilitates the control of the bidirectional converter has yet to be expounded.

8. What are the key advantages and applications of bidirectional power electronic switches (PES) in modern power systems, and how do they contribute to enhancing energy efficiency and grid flexibility?

9. I would recommend elucidating the key considerations, challenges, and technologies involved in transitioning power systems or devices from grid-connected mode to stand-alone mode, particularly in the context of ensuring reliability, resilience, and efficient energy management.

10. The main components and communication protocols involved in enabling bidirectional power flow between electric vehicles and the grid need to be described. At the same time, how does V2G contribute to the integration of renewable energy sources and grid stability?

11. The cascaded PI controller is used to charge an EV battery, but how these controllers are effective in charging the EV batteries needs to be described.

12.How do insulated gate bipolar junction transistors (IGBTs) function, and what are their key advantages and applications in power electronics, particularly in the context of high-power applications and energy-efficient systems?

Reviewer #2: First of wireless transfer using different converter is a nice concept to explore. Following are the observations;

1. Authors are claiming 3.6kW power transfer, so to establish this concept what is the rating of the converter has chosen to fit in with wireless transfer for EVs?

2.Table 1 please modify the inductance symbol.

3. The manuscript format should be as per journal's format.

4. Please format fig. 8 in one page.

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Reviewer #1: No

Reviewer #2: No

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Enhancing Electric Vehicle Charging Performance through Series-Series Topology Resonance-Coupled Wireless Power Transfer

PONE-D-23-39863R1

Dear Dr. Mbadjoun Wapet,

We’re pleased to inform you that your manuscript has been judged scientifically suitable for publication and will be formally accepted for publication once it meets all outstanding technical requirements.

Within one week, you’ll receive an e-mail detailing the required amendments. When these have been addressed, you’ll receive a formal acceptance letter and your manuscript will be scheduled for publication.

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Kind regards,

Kalisadhan Mukherjee

Academic Editor

PLOS ONE

Additional Editor Comments (optional):

Reviewers have recommended acceptance of the manuscript. The manuscript is thus accepted for publication.

Reviewers' comments:

Reviewer's Responses to Questions

Comments to the Author

1. If the authors have adequately addressed your comments raised in a previous round of review and you feel that this manuscript is now acceptable for publication, you may indicate that here to bypass the “Comments to the Author” section, enter your conflict of interest statement in the “Confidential to Editor” section, and submit your "Accept" recommendation.

Reviewer #1: All comments have been addressed

Reviewer #2: All comments have been addressed

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2. Is the manuscript technically sound, and do the data support the conclusions?

The manuscript must describe a technically sound piece of scientific research with data that supports the conclusions. Experiments must have been conducted rigorously, with appropriate controls, replication, and sample sizes. The conclusions must be drawn appropriately based on the data presented.

Reviewer #1: Yes

Reviewer #2: Yes

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3. Has the statistical analysis been performed appropriately and rigorously?

Reviewer #1: Yes

Reviewer #2: Yes

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4. Have the authors made all data underlying the findings in their manuscript fully available?

The PLOS Data policy requires authors to make all data underlying the findings described in their manuscript fully available without restriction, with rare exception (please refer to the Data Availability Statement in the manuscript PDF file). The data should be provided as part of the manuscript or its supporting information, or deposited to a public repository. For example, in addition to summary statistics, the data points behind means, medians and variance measures should be available. If there are restrictions on publicly sharing data—e.g. participant privacy or use of data from a third party—those must be specified.

Reviewer #1: Yes

Reviewer #2: Yes

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5. Is the manuscript presented in an intelligible fashion and written in standard English?

PLOS ONE does not copyedit accepted manuscripts, so the language in submitted articles must be clear, correct, and unambiguous. Any typographical or grammatical errors should be corrected at revision, so please note any specific errors here.

Reviewer #1: Yes

Reviewer #2: Yes

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6. Review Comments to the Author

Please use the space provided to explain your answers to the questions above. You may also include additional comments for the author, including concerns about dual publication, research ethics, or publication ethics. (Please upload your review as an attachment if it exceeds 20,000 characters)

Reviewer #1: Accepted for publication in this esteemed journal

all questions have been answered

figures are now correct

grammar is correct

Reviewer #2: All the comments are addressed. Just want to highlight in fig 4(b) Dout where 't' is cut slightly. How ever during proof reading with the permission of the Editor it can be corrected. Best wishes.

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7. PLOS authors have the option to publish the peer review history of their article (what does this mean?). If published, this will include your full peer review and any attached files.

If you choose “no”, your identity will remain anonymous but your review may still be made public.

Do you want your identity to be public for this peer review? For information about this choice, including consent withdrawal, please see our Privacy Policy.

Reviewer #1: No

Reviewer #2: No

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