DC-Link capacitor design in neutral point clamped multilevel inverter utilizing ripple current analysis and DC-DC converter control

Fifi Hesty Sholihah; Victor Becerra; Shanker Radhakrishna Prabhu

doi:10.1109/IES63037.2024.10665876

DC-Link capacitor design in neutral point clamped multilevel inverter utilizing ripple current analysis and DC-DC converter control

Fifi Hesty Sholihah^*
, Victor Becerra
, Shanker Radhakrishna Prabhu

^*Corresponding author for this work

School of Electrical and Mechanical Engineering

Electronic Engineering Polytechnic Institute of Surabaya

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

496 Downloads (Pure)

Abstract

The DC-Link capacitor, an essential part in power converters, stabilizes voltage levels by reducing ripple effects, ensuring a constant output voltage despite high-frequency switching and transient load changes. This research focuses on designing a DC-Link capacitor for a 3-level, 3-phase neutral point clamped multilevel inverter (NPC-MLI). The design process involves calculating the current ripple and analyzing the RMS current in the capacitor. A well-designed DC-Link capacitor must account for ripple voltage and load variations. The proposed design includes cascaded control on the DC-DC converter, comprising both voltage and current controllers. This ensures the output current operates in continuous conduction mode (CCM), maintaining a continuous current flow to the DC-Link capacitor and reducing ripple voltage under load variations. MATLAB/Simulink simulations demonstrate this design's efficacy in a range of scenarios, highlighting the capacitor's role in maintaining the reliability and efficiency of power converters in renewable energy systems.

Original language	English
Title of host publication	2024 International Electronics Symposium
Subtitle of host publication	Shaping the Future: Society 5.0 and Beyond, IES 2024 - Proceeding
Editors	Andhik Ampuh Yunanto, Afifah Dwi Ramadhani, Yanuar Risah Prayogi, Putu Agus Mahadi Putra, Weny Mistarika Rahmawati, Muhammad Rizani Rusli, Fitrah Maharani Humaira, Faridatun Nadziroh, Nihayatus Sa'adah, Nailul Muna, Aris Bahari Rizki
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	89-94
Number of pages	6
ISBN (Electronic)	9798350391992
ISBN (Print)	9798350392005
DOIs	https://doi.org/10.1109/IES63037.2024.10665876
Publication status	Published - 12 Sept 2024
Event	26th International Electronics Symposium, IES 2024 - Denpasar, Indonesia Duration: 6 Aug 2024 → 8 Aug 2024

Publication series

Name	International Electronics Symposium Proceedings
Publisher	IEEE
ISSN (Print)	2994-3698
ISSN (Electronic)	2994-368X

Conference

Conference	26th International Electronics Symposium, IES 2024
Country/Territory	Indonesia
City	Denpasar
Period	6/08/24 → 8/08/24

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 7 Affordable and Clean Energy

Keywords

capacitor
CCM
dc-link
multilevel inverter
ripple

Access to Document

10.1109/IES63037.2024.10665876

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Sholihah, F. H., Becerra, V., & Prabhu, S. R. (2024). DC-Link capacitor design in neutral point clamped multilevel inverter utilizing ripple current analysis and DC-DC converter control. In A. A. Yunanto, A. D. Ramadhani, Y. R. Prayogi, P. A. M. Putra, W. M. Rahmawati, M. R. Rusli, F. M. Humaira, F. Nadziroh, N. Sa'adah, N. Muna, & A. B. Rizki (Eds.), 2024 International Electronics Symposium: Shaping the Future: Society 5.0 and Beyond, IES 2024 - Proceeding (pp. 89-94). (International Electronics Symposium Proceedings). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/IES63037.2024.10665876

Sholihah, Fifi Hesty ; Becerra, Victor ; Prabhu, Shanker Radhakrishna. / DC-Link capacitor design in neutral point clamped multilevel inverter utilizing ripple current analysis and DC-DC converter control. 2024 International Electronics Symposium: Shaping the Future: Society 5.0 and Beyond, IES 2024 - Proceeding. editor / Andhik Ampuh Yunanto ; Afifah Dwi Ramadhani ; Yanuar Risah Prayogi ; Putu Agus Mahadi Putra ; Weny Mistarika Rahmawati ; Muhammad Rizani Rusli ; Fitrah Maharani Humaira ; Faridatun Nadziroh ; Nihayatus Sa'adah ; Nailul Muna ; Aris Bahari Rizki. Institute of Electrical and Electronics Engineers Inc., 2024. pp. 89-94 (International Electronics Symposium Proceedings).

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title = "DC-Link capacitor design in neutral point clamped multilevel inverter utilizing ripple current analysis and DC-DC converter control",

abstract = "The DC-Link capacitor, an essential part in power converters, stabilizes voltage levels by reducing ripple effects, ensuring a constant output voltage despite high-frequency switching and transient load changes. This research focuses on designing a DC-Link capacitor for a 3-level, 3-phase neutral point clamped multilevel inverter (NPC-MLI). The design process involves calculating the current ripple and analyzing the RMS current in the capacitor. A well-designed DC-Link capacitor must account for ripple voltage and load variations. The proposed design includes cascaded control on the DC-DC converter, comprising both voltage and current controllers. This ensures the output current operates in continuous conduction mode (CCM), maintaining a continuous current flow to the DC-Link capacitor and reducing ripple voltage under load variations. MATLAB/Simulink simulations demonstrate this design's efficacy in a range of scenarios, highlighting the capacitor's role in maintaining the reliability and efficiency of power converters in renewable energy systems.",

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note = "Publisher Copyright: {\textcopyright} 2024 IEEE.; 26th International Electronics Symposium, IES 2024 ; Conference date: 06-08-2024 Through 08-08-2024",

year = "2024",

month = sep,

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doi = "10.1109/IES63037.2024.10665876",

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series = "International Electronics Symposium Proceedings",

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Sholihah, FH , Becerra, V & Prabhu, SR 2024, DC-Link capacitor design in neutral point clamped multilevel inverter utilizing ripple current analysis and DC-DC converter control. in AA Yunanto, AD Ramadhani, YR Prayogi, PAM Putra, WM Rahmawati, MR Rusli, FM Humaira, F Nadziroh, N Sa'adah, N Muna & AB Rizki (eds), 2024 International Electronics Symposium: Shaping the Future: Society 5.0 and Beyond, IES 2024 - Proceeding. International Electronics Symposium Proceedings, Institute of Electrical and Electronics Engineers Inc., pp. 89-94, 26th International Electronics Symposium, IES 2024, Denpasar, Indonesia, 6/08/24. https://doi.org/10.1109/IES63037.2024.10665876

DC-Link capacitor design in neutral point clamped multilevel inverter utilizing ripple current analysis and DC-DC converter control. / Sholihah, Fifi Hesty ; Becerra, Victor ; Prabhu, Shanker Radhakrishna.
2024 International Electronics Symposium: Shaping the Future: Society 5.0 and Beyond, IES 2024 - Proceeding. ed. / Andhik Ampuh Yunanto; Afifah Dwi Ramadhani; Yanuar Risah Prayogi; Putu Agus Mahadi Putra; Weny Mistarika Rahmawati; Muhammad Rizani Rusli; Fitrah Maharani Humaira; Faridatun Nadziroh; Nihayatus Sa'adah; Nailul Muna; Aris Bahari Rizki. Institute of Electrical and Electronics Engineers Inc., 2024. p. 89-94 (International Electronics Symposium Proceedings).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

TY - GEN

T1 - DC-Link capacitor design in neutral point clamped multilevel inverter utilizing ripple current analysis and DC-DC converter control

AU - Sholihah, Fifi Hesty

AU - Becerra, Victor

AU - Prabhu, Shanker Radhakrishna

PY - 2024/9/12

Y1 - 2024/9/12

N2 - The DC-Link capacitor, an essential part in power converters, stabilizes voltage levels by reducing ripple effects, ensuring a constant output voltage despite high-frequency switching and transient load changes. This research focuses on designing a DC-Link capacitor for a 3-level, 3-phase neutral point clamped multilevel inverter (NPC-MLI). The design process involves calculating the current ripple and analyzing the RMS current in the capacitor. A well-designed DC-Link capacitor must account for ripple voltage and load variations. The proposed design includes cascaded control on the DC-DC converter, comprising both voltage and current controllers. This ensures the output current operates in continuous conduction mode (CCM), maintaining a continuous current flow to the DC-Link capacitor and reducing ripple voltage under load variations. MATLAB/Simulink simulations demonstrate this design's efficacy in a range of scenarios, highlighting the capacitor's role in maintaining the reliability and efficiency of power converters in renewable energy systems.

AB - The DC-Link capacitor, an essential part in power converters, stabilizes voltage levels by reducing ripple effects, ensuring a constant output voltage despite high-frequency switching and transient load changes. This research focuses on designing a DC-Link capacitor for a 3-level, 3-phase neutral point clamped multilevel inverter (NPC-MLI). The design process involves calculating the current ripple and analyzing the RMS current in the capacitor. A well-designed DC-Link capacitor must account for ripple voltage and load variations. The proposed design includes cascaded control on the DC-DC converter, comprising both voltage and current controllers. This ensures the output current operates in continuous conduction mode (CCM), maintaining a continuous current flow to the DC-Link capacitor and reducing ripple voltage under load variations. MATLAB/Simulink simulations demonstrate this design's efficacy in a range of scenarios, highlighting the capacitor's role in maintaining the reliability and efficiency of power converters in renewable energy systems.

KW - capacitor

KW - CCM

KW - dc-link

KW - multilevel inverter

KW - ripple

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U2 - 10.1109/IES63037.2024.10665876

DO - 10.1109/IES63037.2024.10665876

M3 - Conference contribution

AN - SCOPUS:85205017005

SN - 9798350392005

T3 - International Electronics Symposium Proceedings

SP - 89

EP - 94

BT - 2024 International Electronics Symposium

A2 - Yunanto, Andhik Ampuh

A2 - Ramadhani, Afifah Dwi

A2 - Prayogi, Yanuar Risah

A2 - Putra, Putu Agus Mahadi

A2 - Rahmawati, Weny Mistarika

A2 - Rusli, Muhammad Rizani

A2 - Humaira, Fitrah Maharani

A2 - Nadziroh, Faridatun

A2 - Sa'adah, Nihayatus

A2 - Muna, Nailul

A2 - Rizki, Aris Bahari

PB - Institute of Electrical and Electronics Engineers Inc.

T2 - 26th International Electronics Symposium, IES 2024

Y2 - 6 August 2024 through 8 August 2024

ER -

Sholihah FH , Becerra V , Prabhu SR. DC-Link capacitor design in neutral point clamped multilevel inverter utilizing ripple current analysis and DC-DC converter control. In Yunanto AA, Ramadhani AD, Prayogi YR, Putra PAM, Rahmawati WM, Rusli MR, Humaira FM, Nadziroh F, Sa'adah N, Muna N, Rizki AB, editors, 2024 International Electronics Symposium: Shaping the Future: Society 5.0 and Beyond, IES 2024 - Proceeding. Institute of Electrical and Electronics Engineers Inc. 2024. p. 89-94. (International Electronics Symposium Proceedings). doi: 10.1109/IES63037.2024.10665876

DC-Link capacitor design in neutral point clamped multilevel inverter utilizing ripple current analysis and DC-DC converter control

Abstract

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UN SDGs

Keywords

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