PVI 50/60 TL Installation and Operation Manual (Rev C)
DOCR-070645-E
Page 39 of 102
Figure 2-31 Plug DC cable connectors
2.3.1.3 Individual Maximum Power Point Tracking
The inverter is designed with three separate MPP Trackers (MPPT), which
operate independently.
PV1+
PV1-
PV2+
PV2-
1
2
3
4
Inverter
IN1+
IN1-
IN2+
IN2-
5
2
3
4
5
2
3
4
5
2
3
4
5
1
1
1
PV3+
PV3-
IN3+
IN3-
2
3
4
5
2
3
4
5
1
1
Figure 2.32 - Three MPPTs Operating Independently
Independent mode can be very useful for sites with shading on parts of the array
or with arrays consisting of different orientations.
However, this also means that
one must consider these three zones as three separate inverters and power must
be balanced as much as possible between the three MPPT zones. See Table 2.8
for string/zones combinations.
NOTE:
Always try connecting an equal number of wires to PV1, PV2 and
PV3 to each individual MPPT zone.
