On The Storage Batteries Used In Solar Electric Power Systems And Development Of An Algorithm For Determining Their Ampere–Hour Capacity

Journal Title, Volume, Page:

Electric Power Systems Research Volume 71, Issue 1, September 2004, Pages 85-89

Year of Publication:

2003

Link:

http://www.sciencedirect.com/science/article/pii/S0378779604000203

Authors:

Marwan M. Mahmoud

Energy Research Centre, An Najah National University, P.O. Box 721 Nablus, West Bank, Palestine

Current Affiliation:

Department of Electrical Engineering, Engineering Faculty, An-Najah National University, Nablus, Palestine

[email protected]

Preferred Abstract (Original):

Storage batteries are indispensable in all stand alone solar electric systems (PV power systems). Their efficiencies and life times affect significantly the overall PV system performance and economics. Batteries specified especially for use in PV systems have to be distinguished with standing of very deep discharge rate and high cycling stability. Ordinary batteries being marketed world wide for use in automobile, are mostly not appropriate for PV power systems. The most important characteristics of lead–acid batteries are presented and discussed in this paper. Moreover, the paper illustrates an experimental procedure for developing an algorithm for determining the ampere–hour capacity of batteries operating in PV systems. This algorithm enables determining the state-of-charge of a battery by measuring voltage and electrolyte-specific gravity at definite temperature and is applicable also for large battery storage systems.

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On The Storage Batteries Used In Solar Electric Power Systems And Development Of An Algorithm For Determining Their Ampere–Hour Capacity