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Principles of Sustainable Energy Systems, Second Edition, 2nd Edition
book

Principles of Sustainable Energy Systems, Second Edition, 2nd Edition

by Frank Kreith, Susan Krumdieck
August 2013
Intermediate to advanced content levelIntermediate to advanced
790 pages
30h 5m
English
CRC Press
Content preview from Principles of Sustainable Energy Systems, Second Edition, 2nd Edition
309Photovoltaics
© 2008 Taylor & Francis Group, LLC
or
V
kT
e
J
J
oc
o
s
o
=+
ln 1
Figure 6.8 shows a typical performance curve (I−V) of a solar cell. The power output is the
product of the load current and voltage and is a function of the load resistance
PAJV IV
IR
LLL
LL
==
=
2
(6.11)
where A is the area of the cell.
The power output exhibits a maximum. To nd the condition for the maximum power
output (P
max
), differentiate P with respect to V and equate it to zero:
exp
eV
kT
eV
kT
J
J
om om s
o
+
=+
11
(6.12)
where V
m
stands for voltage at maximum power. The current at maximum power condition
J
L,m
and the maximum power P
max
can be found from Equations 6. ...
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Publisher Resources

ISBN: 9781466556966