28
Conversion Efficiency
The conversion efficiency of the MPPTsolid in the proposed configuration must be
considered. The table below shows the minimum Vmp and recommended Vmp
(maximum power voltage) for each battery voltage as well as the recommended array
power. Also keep in mind not to exceed the maximum open circuit voltage in any array
configuration.
Every brand of panel is different, so ensure you are familiar with your panels’
specifications. Also be aware that weather and temperature will affect the Voc of your
panels. A higher temperature will produce a lower Voc and lower Vmp, while lower
temperatures will produce a higher Voc and higher Vmp. To determine the corrected Voc,
consult the data sheet for your solar panel and allow for the lowest possible temperature
the solar panel will be exposed to. If the data sheet is not available, use the table below to
make the calculation using the formula Voc expected = Voc @ 25°C * correction factor.
Wire Sizing
The distance between the PV array and the controller will be a factor in choosing an
optimum string voltage for the MPPTsolid. The higher the input voltage the smaller the
wire can be for any given amount of power. Be sure to consult your local electrical code
specifications regarding wire sizing.
MPPTsolid is designed to deliver a maximum of 100 A to the output. The wire size chosen
must be rated for this much current over the length of the run between MPPTsolid and
Nominal
Battery (V)
Battery
Float (V)
Battery
Absorption
(V)
Maximum
Output
Power (W)
Recommended
Array Power (W)
Maximum Array
power (W)
Minimum
Maximum
Power Voltage
(Vmp)
Recommended
Maximum Power
Voltage (Vmp)
Maximum
Open Circuit
Voltage (Voc)
24
27.2
28.8
2880
3000
4000
30 V
55 V
230 V
28
31.7
33.6
3360
3500
4600
35 V
62 V
230 V
36
40.8
43.2
4320
4500
6000
45 V
80 V
230 V
48
54.4
57.6
5760
6000
8000
60 V
106 V
230 V
60
68.0
72.0
7200
7500
10000
75 V
133 V
230 V
72
81.6
86.4
8640
9000
12000
90 V
160 V
230 V
Temperature
Correction Factor
25° to 10° C (77° to 50° F)
1.06
9° to 0° C (49° to 32° F)
1.10
-1° to -10° C (31° to 14° F)
1.13
-11° to -20° C (13° to -4° F)
1.17
-21° to -40° C (-5° to -40° F)
1.25
Summary of Contents for MPPTsolid
Page 2: ...2 Contents Bedienungsanleitung 3 21 User Manual 22 38 Manuel de l utilisateur 39 57 58 71...
Page 3: ...3 Ansichten Frontansicht R ckansicht...
Page 22: ...22 PanelView Front panelview Back panelview...
Page 33: ...33 Opening screen Opening screen with data logging enabled Help About...
Page 39: ...39 Diff rentes vues Vue panneau avant Vue panneau arri re...
Page 58: ...58...
Page 61: ...61 MPPTsolid MPPTsolid MPPTsolid MPPT MPPTsolid PowerWizard...
Page 68: ...68 edit OK Set MPPTsolid MPPTsolid Configuration Exit...
