Comparative analysis of 2&lt;sup&gt;nd&lt;/sup&gt; and 4&lt;sup&gt;th&lt;/sup&gt; order resonant based capacitor charging power supplies

Naresh, P.; Patel, A S; Kolge, Tanmay; Hitesh, C; Sharma, Archana; Mittal, K. C.

doi:10.1109/ipmhvc.2014.7287349

Cited by 4 publications

(4 citation statements)

References 3 publications

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“…Graphically, a low sensitive topology is characterized by a zero slope line in the frequency response. In figures 9, 10, portion of graph highlighted in the red represents the divergence of corresponding parameter as switching frequency is varied with in chosen bandwidth of (20)(21)(22)(23)(24)(25)(26)(27)(28)(29)(30) kHz. Topology having a straight red band will have low sensitivity.…”

Section: Results Analysismentioning

confidence: 99%

“…4. A detailed study of figures 9, 10 unveils few topologies which show relatively consistent behavior in selected frequency band (20)(21)(22)(23)(24)(25)(26)(27)(28)(29)(30). A list of such topologies is tabulated in table 6.…”

Section: Jinst 16 P02032mentioning

confidence: 99%

“…Stability problems which creep in while interfacing storage batteries or super capacitors to a HVDC bus are addressed well using an isolated series resonant bidirectional DC-DC converter in [24]. Despite the fact that every topology has its pros and cons, the authors of [25][26][27] asserted that higher-order resonant converters showed superior performance relative to lower-order and effectively minimized the peak current flowing through converter switches. Adhering to this claim , lower order RC like series LC, parallel LC are discarded from analysis and explored just the higher-order topologies.…”

Section: Introductionmentioning

confidence: 99%

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Investigation through analytical studies and experimental validation of ladder type resonant converter based constant current charger (>20 kW) for charging applications

Pandeswara

Naresh

2021

J. Inst.

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As the world is moving towards green transportation, an effective charging infrastructure is needed to meet the demand of electric vehicles (EVs) with different power ratings. High power DC charging will facilitate EVs to charge quickly and reduce the wait time of a customer. As present charging infrastructure is limited to low power and is not compatible with different rated modular battery packs of EVs, this paper demonstrates Resonant Converter (RC) based high power constant current DC Fast charger. Owing to its inherent sensitivity, RCs suffer and fail to maintain rated load current when subjected to deviation in switching frequency and this has been the limiting feature for which they are not explored much in the automobile sector. In light of it, a topology study of about 25 RCs under lumped T, π, Ladder, and branch type structures is reported and examined the frequency dependence of different characteristic parameters in a range of frequencies encompassing the resonant frequency. This investigation conceived a novel RC that has adequate immunity in dealing with frequency sensitivity and also capable of pumping high DC power. The proposed converter is verified with a prototype and results are in close agreement with design.

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Section: Results Analysismentioning

confidence: 99%

Section: Jinst 16 P02032mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Investigation through analytical studies and experimental validation of ladder type resonant converter based constant current charger (>20 kW) for charging applications

Pandeswara

Naresh

2021

J. Inst.

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“…It is claimed that higher order RC topologies has the capability to reduce peak resonant current [25]- [26], fast steady state response [27], suppress voltage stress [28], sharp control and effective use of parasitic components. Hence the paper focused only the higher order RC topologies as shown in Fig.…”

Section: Overview On Charging Technologiesmentioning

confidence: 99%

A Comprehensive Study of Capacitive Loaded Resonant Converter Topologies for Charging Applications

Pandeswara

Naresh

2021

IJEEI

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Resonant converters (RCs) are perceiving global interests of the research community for its eminent contribution in design of many industrial and commercial applications. Rich literature and well-established technology is available to define the role of RCs in such applications where the load is predominantly passive and resistive. However in applications like charging, the nature of load is often interpreted as capacitive and the knowledge on how a RC reciprocates to such variable, non linear load is limited. Motivated by this, the paper investigates about 25 capacitive loaded resonant structures and each of them is thoroughly analyzed to evaluate various key parameters like the output current, peak input current, and current gain. A comparative study is done to categorize and organize these topologies in regard to each of the said parameters. This provides a quick overview of various resonant converter topologies and helps designers to choose a structure that may fit their application. To this base knowledge, the study is further narrowed down to find suitable topology for charging application and accordingly proposed a novel fourth-order RC topology called LA7. A hardware prototype was built to compare and validate the simulated and measured performances.

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Analytical Design and Modeling of Higher Order Resonant Converter based DC Power Supply for Pulser Application

Geethanjali

Naresh

2021

2021 International Conference on Computational Performance Evaluation (ComPE)

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Comparative analysis of 2<sup>nd</sup> and 4<sup>th</sup> order resonant based capacitor charging power supplies

Cited by 4 publications

References 3 publications

Investigation through analytical studies and experimental validation of ladder type resonant converter based constant current charger (>20 kW) for charging applications

Investigation through analytical studies and experimental validation of ladder type resonant converter based constant current charger (>20 kW) for charging applications

A Comprehensive Study of Capacitive Loaded Resonant Converter Topologies for Charging Applications

Analytical Design and Modeling of Higher Order Resonant Converter based DC Power Supply for Pulser Application

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