Modeling of Storage Systems

Chapter
Part of the Green Energy and Technology book series (GREEN)

Abstract

Battery is generally needed when PV array cannot be functional as at night or on a cloudy day.

Keywords

Zinc Nickel Dioxide Graphite Lithium 

Symbols

C

Capacity according to Peukert, at a one-ampere discharge rate (A·h)

C0

Capacitance of the parallel plates

C1 and C2

Capacities of the battery at different discharge-rate states

C10

10-h capacity

Dc and Dd

Diodes which are in series with R c and R d , respectively

Eb

Open-circuit voltage of the battery charged

Em

Main branch electromotive force of the battery

Et

Battery terminal voltage

Ibatt

Discharge current

\( k_{{E_{b}}} \) and kR

Coefficients that can be calculated experimentally

Ki

Polarization resistance

n

Peukert constant

R0

Initial battery internal resistance calculated when the battery is full charged

Rbatt

Internal (ohmic) resistance of the battery

Rc and Rd

Internal resistances associated respectively with the charging and discharging process of the battery

R0

Nonlinear resistance contributed by the contact resistance of plate to electrolyte

Q

Accumulated ampere-hours divided by full battery capacity

SOC

State of charge

ti

Time to discharge at current I

Ubatt

Terminal voltage of the battery

Voc

Open-circuit voltage of a battery cell when fully charged

Zm

Internal impedance of the battery

Copyright information

© Springer-Verlag London Limited 2012

Authors and Affiliations

  1. 1.LT.I.I LaboratoryUniversity of BejaiaBejaiaAlgeria
  2. 2.Université Catholique de LouvainLouvain-la-NeuveBelgium

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