Instantaneous voltage measurement in PWM voltage source inverters

Research output: Chapter in Book/Report/Conference proceedingConference contribution

15 Citations (Scopus)

Abstract

The use of pulse width modulated (PWM) inverters is nearly universal in industrial drives, making accurate voltage measurements problematic due to the switching nature of the applied phase voltage. Often, the applied phase voltage is reconstructed by using a combination of the DC link voltage and the commanded PWM duty cycle. Another approach is to apply a low-pass filter to the phase voltage to remove the high frequency PWM switching component, but leaving the fundamental component of interest. In this paper, a strategy for detecting the instantaneous phase voltage is presented. The approach consists of integrating the switched phase voltage over either a full, or half PWM cycle. The integrated signal is then converted to voltage by dividing by the integrating period. Implementation details of the proposed approach are outlined in the paper, and experimental results are used to compare the proposed technique with other methods of voltage measurement in terms of measurement accuracy and transient performance. The results will demonstrate the opportunity for improvements to any inverter-driven motor control system that relies on accurate terminal voltage measurement to estimate internal machine states.

Original languageEnglish (US)
Title of host publicationInternational Aegean Conference on Electrical Machines and Power Electronics and Electromotion ACEMP'07 and Electromotion'07 Joint Conference
Pages168-173
Number of pages6
DOIs
StatePublished - Dec 1 2007
EventInternational Aegean Conference on Electrical Machines and Power Electronics and Electromotion ACEMP'07 and Electromotion'07 Joint Conference - Bodrum, Turkey
Duration: Sep 10 2007Sep 12 2007

Publication series

NameInternational Aegean Conference on Electrical Machines and Power Electronics and Electromotion ACEMP'07 and Electromotion'07 Joint Conference

Other

OtherInternational Aegean Conference on Electrical Machines and Power Electronics and Electromotion ACEMP'07 and Electromotion'07 Joint Conference
CountryTurkey
CityBodrum
Period9/10/079/12/07

Fingerprint

Voltage measurement
Electric potential
control system
Low pass filters
performance
Control systems

All Science Journal Classification (ASJC) codes

  • Computer Networks and Communications
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering
  • Communication

Cite this

Batzel, T. D., & Comanescu, M. (2007). Instantaneous voltage measurement in PWM voltage source inverters. In International Aegean Conference on Electrical Machines and Power Electronics and Electromotion ACEMP'07 and Electromotion'07 Joint Conference (pp. 168-173). [4510497] (International Aegean Conference on Electrical Machines and Power Electronics and Electromotion ACEMP'07 and Electromotion'07 Joint Conference). https://doi.org/10.1109/ACEMP.2007.4510497
Batzel, Todd D. ; Comanescu, Mihai. / Instantaneous voltage measurement in PWM voltage source inverters. International Aegean Conference on Electrical Machines and Power Electronics and Electromotion ACEMP'07 and Electromotion'07 Joint Conference. 2007. pp. 168-173 (International Aegean Conference on Electrical Machines and Power Electronics and Electromotion ACEMP'07 and Electromotion'07 Joint Conference).
@inproceedings{3adc9a91f0f04d8c96faf1b68b6507b5,
title = "Instantaneous voltage measurement in PWM voltage source inverters",
abstract = "The use of pulse width modulated (PWM) inverters is nearly universal in industrial drives, making accurate voltage measurements problematic due to the switching nature of the applied phase voltage. Often, the applied phase voltage is reconstructed by using a combination of the DC link voltage and the commanded PWM duty cycle. Another approach is to apply a low-pass filter to the phase voltage to remove the high frequency PWM switching component, but leaving the fundamental component of interest. In this paper, a strategy for detecting the instantaneous phase voltage is presented. The approach consists of integrating the switched phase voltage over either a full, or half PWM cycle. The integrated signal is then converted to voltage by dividing by the integrating period. Implementation details of the proposed approach are outlined in the paper, and experimental results are used to compare the proposed technique with other methods of voltage measurement in terms of measurement accuracy and transient performance. The results will demonstrate the opportunity for improvements to any inverter-driven motor control system that relies on accurate terminal voltage measurement to estimate internal machine states.",
author = "Batzel, {Todd D.} and Mihai Comanescu",
year = "2007",
month = "12",
day = "1",
doi = "10.1109/ACEMP.2007.4510497",
language = "English (US)",
isbn = "1424408911",
series = "International Aegean Conference on Electrical Machines and Power Electronics and Electromotion ACEMP'07 and Electromotion'07 Joint Conference",
pages = "168--173",
booktitle = "International Aegean Conference on Electrical Machines and Power Electronics and Electromotion ACEMP'07 and Electromotion'07 Joint Conference",

}

Batzel, TD & Comanescu, M 2007, Instantaneous voltage measurement in PWM voltage source inverters. in International Aegean Conference on Electrical Machines and Power Electronics and Electromotion ACEMP'07 and Electromotion'07 Joint Conference., 4510497, International Aegean Conference on Electrical Machines and Power Electronics and Electromotion ACEMP'07 and Electromotion'07 Joint Conference, pp. 168-173, International Aegean Conference on Electrical Machines and Power Electronics and Electromotion ACEMP'07 and Electromotion'07 Joint Conference, Bodrum, Turkey, 9/10/07. https://doi.org/10.1109/ACEMP.2007.4510497

Instantaneous voltage measurement in PWM voltage source inverters. / Batzel, Todd D.; Comanescu, Mihai.

International Aegean Conference on Electrical Machines and Power Electronics and Electromotion ACEMP'07 and Electromotion'07 Joint Conference. 2007. p. 168-173 4510497 (International Aegean Conference on Electrical Machines and Power Electronics and Electromotion ACEMP'07 and Electromotion'07 Joint Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

TY - GEN

T1 - Instantaneous voltage measurement in PWM voltage source inverters

AU - Batzel, Todd D.

AU - Comanescu, Mihai

PY - 2007/12/1

Y1 - 2007/12/1

N2 - The use of pulse width modulated (PWM) inverters is nearly universal in industrial drives, making accurate voltage measurements problematic due to the switching nature of the applied phase voltage. Often, the applied phase voltage is reconstructed by using a combination of the DC link voltage and the commanded PWM duty cycle. Another approach is to apply a low-pass filter to the phase voltage to remove the high frequency PWM switching component, but leaving the fundamental component of interest. In this paper, a strategy for detecting the instantaneous phase voltage is presented. The approach consists of integrating the switched phase voltage over either a full, or half PWM cycle. The integrated signal is then converted to voltage by dividing by the integrating period. Implementation details of the proposed approach are outlined in the paper, and experimental results are used to compare the proposed technique with other methods of voltage measurement in terms of measurement accuracy and transient performance. The results will demonstrate the opportunity for improvements to any inverter-driven motor control system that relies on accurate terminal voltage measurement to estimate internal machine states.

AB - The use of pulse width modulated (PWM) inverters is nearly universal in industrial drives, making accurate voltage measurements problematic due to the switching nature of the applied phase voltage. Often, the applied phase voltage is reconstructed by using a combination of the DC link voltage and the commanded PWM duty cycle. Another approach is to apply a low-pass filter to the phase voltage to remove the high frequency PWM switching component, but leaving the fundamental component of interest. In this paper, a strategy for detecting the instantaneous phase voltage is presented. The approach consists of integrating the switched phase voltage over either a full, or half PWM cycle. The integrated signal is then converted to voltage by dividing by the integrating period. Implementation details of the proposed approach are outlined in the paper, and experimental results are used to compare the proposed technique with other methods of voltage measurement in terms of measurement accuracy and transient performance. The results will demonstrate the opportunity for improvements to any inverter-driven motor control system that relies on accurate terminal voltage measurement to estimate internal machine states.

UR - http://www.scopus.com/inward/record.url?scp=51249093261&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=51249093261&partnerID=8YFLogxK

U2 - 10.1109/ACEMP.2007.4510497

DO - 10.1109/ACEMP.2007.4510497

M3 - Conference contribution

AN - SCOPUS:51249093261

SN - 1424408911

SN - 9781424408917

T3 - International Aegean Conference on Electrical Machines and Power Electronics and Electromotion ACEMP'07 and Electromotion'07 Joint Conference

SP - 168

EP - 173

BT - International Aegean Conference on Electrical Machines and Power Electronics and Electromotion ACEMP'07 and Electromotion'07 Joint Conference

ER -

Batzel TD, Comanescu M. Instantaneous voltage measurement in PWM voltage source inverters. In International Aegean Conference on Electrical Machines and Power Electronics and Electromotion ACEMP'07 and Electromotion'07 Joint Conference. 2007. p. 168-173. 4510497. (International Aegean Conference on Electrical Machines and Power Electronics and Electromotion ACEMP'07 and Electromotion'07 Joint Conference). https://doi.org/10.1109/ACEMP.2007.4510497