
314 Principles of Sustainable Energy Systems
© 2008 Taylor & Francis Group, LLC
I
V = V
1
+ V
2
I = I
1
= I
2
+–+–
12
FIGURE 6.11
Characteristics of two similar cells connected in series.
I
1
, I
2
I
1
+ I
2
V = V
1
= V
2
+
–
+
–
1
2
FIGURE 6.12
Characteristics of two similar cells connected in parallel.
I
1
V
1
V
2
I
I
V
V = V
1
+ V
2
I
2
I
1
V
1
V V
2
V
I = I
1
+ I
2
I
2
FIGURE 6.13
Characteristics of two dissimilar cells connected in (a) series and (b) parallel.