...
Stack | Length | Width | Total cells | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
1 | 7 | 3 | 21 | ||||||||
2 | 7 | 3 | 21 | ||||||||
3 | 2 | 6 | 1812 | ||||||||
4(a1) | 5 | 2 | 10 | ||||||||
4(b) | 5 | 2 | 102) | 5(a) | 2 | 5 | 10 | 6(a) | 1 | 4 | 4 |
7 | 7 | 4 | 28 | ||||||||
8 | 7 | 4 | 28 | ||||||||
9 | 7 | 4 | 28 | ||||||||
10 | 7 | 4 | 28 | ||||||||
11 | 4 | 4 | 16 | 12 | 4 | 4 | 16 | ||||
13 | 7 | 3 | 21 | ||||||||
15 | 7 | 3 | 18 | ||||||||
16 | 7 | 3 | 18 | ||||||||
Total | 259 | ||||||||||
The nominal battery voltage is 129.6 V with a maximum of 151.2V. Each Nomura MPPT has a maximum boost voltage of 33V. 151.2/33 = 4.58. Taking ceil(4.58) we get 5 which means we need at least 5 MPPT’s in one string.
...