Split-Capacitor Self-Balancing of Single-Phase Half-Bridge Inverters

Che Wei Chang; Terng Wei Tsai; Yaow Ming Chen

Split-Capacitor Self-Balancing of Single-Phase Half-Bridge Inverters

Che Wei Chang, Terng Wei Tsai, Yaow Ming Chen

National Taiwan University

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

7 Scopus citations

Abstract

This paper uncovers the mechanism of the unbalanced split capacitor voltage caused by the deviation of the sensing signal. For the single-phase half-bridge (SPHB) inverter, the deviation of the sensing signal will lead to an offset on the output current and further causes the deviation of split capacitor voltage. However, this unbalance capacitor voltage will help to compensate the output current offset. Consequently, the capacitor voltages will drift to a certain stable voltage level, which is commonly called the self-balancing effect. This paper presents the precise mathematical equations by analyzing the self-balancing mechanism and accurately predict the value of capacitor voltage variations. Computer simulations and hardware experimental results of a 1kVA SPHB inverter are shown to verify the accuracy of the mathematical equations.

Original language	English
Title of host publication	ICPE 2019 - ECCE Asia - 10th International Conference on Power Electronics - ECCE Asia
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	760-765
Number of pages	6
ISBN (Electronic)	9788957083130
State	Published - 05 2019
Externally published	Yes
Event	10th International Conference on Power Electronics - ECCE Asia, ICPE 2019 - ECCE Asia - Busan, Korea, Republic of Duration: 27 05 2019 → 30 05 2019

Publication series

Name	ICPE 2019 - ECCE Asia - 10th International Conference on Power Electronics - ECCE Asia

Conference

Conference	10th International Conference on Power Electronics - ECCE Asia, ICPE 2019 - ECCE Asia
Country/Territory	Korea, Republic of
City	Busan
Period	27/05/19 → 30/05/19

Bibliographical note

Publisher Copyright:
© 2019 The Korean Institute of Power Electronics (KIPE).

Keywords

Self-Balancing Effect
Sensing Signal
Single-Phase Half-Bridge (SPHB) Inverter
Split-Capacitor

Cite this

Chang, C. W., Tsai, T. W., & Chen, Y. M. (2019). Split-Capacitor Self-Balancing of Single-Phase Half-Bridge Inverters. In ICPE 2019 - ECCE Asia - 10th International Conference on Power Electronics - ECCE Asia (pp. 760-765). Article 8797332 (ICPE 2019 - ECCE Asia - 10th International Conference on Power Electronics - ECCE Asia). Institute of Electrical and Electronics Engineers Inc..

Chang, Che Wei ; Tsai, Terng Wei ; Chen, Yaow Ming. / Split-Capacitor Self-Balancing of Single-Phase Half-Bridge Inverters. ICPE 2019 - ECCE Asia - 10th International Conference on Power Electronics - ECCE Asia. Institute of Electrical and Electronics Engineers Inc., 2019. pp. 760-765 (ICPE 2019 - ECCE Asia - 10th International Conference on Power Electronics - ECCE Asia).

@inproceedings{6b0814dec6704104bc157e32f6bc8cec,

title = "Split-Capacitor Self-Balancing of Single-Phase Half-Bridge Inverters",

abstract = "This paper uncovers the mechanism of the unbalanced split capacitor voltage caused by the deviation of the sensing signal. For the single-phase half-bridge (SPHB) inverter, the deviation of the sensing signal will lead to an offset on the output current and further causes the deviation of split capacitor voltage. However, this unbalance capacitor voltage will help to compensate the output current offset. Consequently, the capacitor voltages will drift to a certain stable voltage level, which is commonly called the self-balancing effect. This paper presents the precise mathematical equations by analyzing the self-balancing mechanism and accurately predict the value of capacitor voltage variations. Computer simulations and hardware experimental results of a 1kVA SPHB inverter are shown to verify the accuracy of the mathematical equations.",

keywords = "Self-Balancing Effect, Sensing Signal, Single-Phase Half-Bridge (SPHB) Inverter, Split-Capacitor",

author = "Chang, {Che Wei} and Tsai, {Terng Wei} and Chen, {Yaow Ming}",

note = "Publisher Copyright: {\textcopyright} 2019 The Korean Institute of Power Electronics (KIPE).; 10th International Conference on Power Electronics - ECCE Asia, ICPE 2019 - ECCE Asia ; Conference date: 27-05-2019 Through 30-05-2019",

year = "2019",

month = may,

language = "英语",

series = "ICPE 2019 - ECCE Asia - 10th International Conference on Power Electronics - ECCE Asia",

publisher = "Institute of Electrical and Electronics Engineers Inc.",

pages = "760--765",

booktitle = "ICPE 2019 - ECCE Asia - 10th International Conference on Power Electronics - ECCE Asia",

address = "美国",

}

Chang, CW, Tsai, TW & Chen, YM 2019, Split-Capacitor Self-Balancing of Single-Phase Half-Bridge Inverters. in ICPE 2019 - ECCE Asia - 10th International Conference on Power Electronics - ECCE Asia., 8797332, ICPE 2019 - ECCE Asia - 10th International Conference on Power Electronics - ECCE Asia, Institute of Electrical and Electronics Engineers Inc., pp. 760-765, 10th International Conference on Power Electronics - ECCE Asia, ICPE 2019 - ECCE Asia, Busan, Korea, Republic of, 27/05/19.

Split-Capacitor Self-Balancing of Single-Phase Half-Bridge Inverters. / Chang, Che Wei; Tsai, Terng Wei; Chen, Yaow Ming.
ICPE 2019 - ECCE Asia - 10th International Conference on Power Electronics - ECCE Asia. Institute of Electrical and Electronics Engineers Inc., 2019. p. 760-765 8797332 (ICPE 2019 - ECCE Asia - 10th International Conference on Power Electronics - ECCE Asia).

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

TY - GEN

T1 - Split-Capacitor Self-Balancing of Single-Phase Half-Bridge Inverters

AU - Chang, Che Wei

AU - Tsai, Terng Wei

AU - Chen, Yaow Ming

PY - 2019/5

Y1 - 2019/5

N2 - This paper uncovers the mechanism of the unbalanced split capacitor voltage caused by the deviation of the sensing signal. For the single-phase half-bridge (SPHB) inverter, the deviation of the sensing signal will lead to an offset on the output current and further causes the deviation of split capacitor voltage. However, this unbalance capacitor voltage will help to compensate the output current offset. Consequently, the capacitor voltages will drift to a certain stable voltage level, which is commonly called the self-balancing effect. This paper presents the precise mathematical equations by analyzing the self-balancing mechanism and accurately predict the value of capacitor voltage variations. Computer simulations and hardware experimental results of a 1kVA SPHB inverter are shown to verify the accuracy of the mathematical equations.

AB - This paper uncovers the mechanism of the unbalanced split capacitor voltage caused by the deviation of the sensing signal. For the single-phase half-bridge (SPHB) inverter, the deviation of the sensing signal will lead to an offset on the output current and further causes the deviation of split capacitor voltage. However, this unbalance capacitor voltage will help to compensate the output current offset. Consequently, the capacitor voltages will drift to a certain stable voltage level, which is commonly called the self-balancing effect. This paper presents the precise mathematical equations by analyzing the self-balancing mechanism and accurately predict the value of capacitor voltage variations. Computer simulations and hardware experimental results of a 1kVA SPHB inverter are shown to verify the accuracy of the mathematical equations.

KW - Self-Balancing Effect

KW - Sensing Signal

KW - Single-Phase Half-Bridge (SPHB) Inverter

KW - Split-Capacitor

UR - http://www.scopus.com/inward/record.url?scp=85071627921&partnerID=8YFLogxK

M3 - 会议稿件

AN - SCOPUS:85071627921

T3 - ICPE 2019 - ECCE Asia - 10th International Conference on Power Electronics - ECCE Asia

SP - 760

EP - 765

BT - ICPE 2019 - ECCE Asia - 10th International Conference on Power Electronics - ECCE Asia

PB - Institute of Electrical and Electronics Engineers Inc.

T2 - 10th International Conference on Power Electronics - ECCE Asia, ICPE 2019 - ECCE Asia

Y2 - 27 May 2019 through 30 May 2019

ER -

Split-Capacitor Self-Balancing of Single-Phase Half-Bridge Inverters

Abstract

Publication series

Conference

Bibliographical note

Keywords

Other files and links

Fingerprint

Cite this