Two electrical models of the lead-acid battery used in a dynamic voltage restorer

C. J. Zhan, X. G. Wu, S. Kromlidis, V. K. Ramachandaramurthy, M. Barnes, N. Jenkins, A. J. Ruddell

Research output: Contribution to journalArticle

78 Citations (Scopus)

Abstract

Two electrical models of a lead-acid battery, a short-term discharge model and a long-term integrated model, were used to investigate the system performance of a battery-supported dynamic voltage restorer (DVR). The short-term model provides a simple but effective description when the DVR compensates voltage sags over a short period. The integrated model can predict accurately the terminal voltage, state of charge, battery capacity and gassing current. It gives a good description of the battery response during both discharge and charge. Parameters of both models can be determined easily from measured battery output voltages obtained from load-step tests. Both models were successfully implemented in EMTDC/PSCAD and interfaced with the digital model of a 10kVA DVR physical prototype. They gave a very close agreement between extensive experimental data and simulation results. Application issues such as current harmonics and microcycles during charge/discharge are discussed with respect to their impact on loss of capacity and reduced lifetime of the lead-acid battery.

Original languageEnglish
Pages (from-to)175-182
Number of pages8
JournalIEE Proceedings: Communications
Volume150
Issue number2
Publication statusPublished - 01 Mar 2003

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

Fingerprint Dive into the research topics of 'Two electrical models of the lead-acid battery used in a dynamic voltage restorer'. Together they form a unique fingerprint.

  • Cite this

    Zhan, C. J., Wu, X. G., Kromlidis, S., Ramachandaramurthy, V. K., Barnes, M., Jenkins, N., & Ruddell, A. J. (2003). Two electrical models of the lead-acid battery used in a dynamic voltage restorer. IEE Proceedings: Communications, 150(2), 175-182.