24VDC Power Hub 3500 Operator Manual
January 2020
|
Solar Stik
®
, Inc.
30
|
NA
TO
24 VDC IN
Solar Inputs
24 VDC OUT
24VDC Power Hub 3500
PV Array
Expander
Pak/PRO-
Verter
ONLY
NA
TO
24 VDC IN
Solar Inputs
Tech
Port
24 VDC OUT
Expander
Pak/PRO-
Verter
ONLY
24VDC Power Hub 3500
PV Array
24VDC Li Expander Paks
Loads
Figure 23. Stacking Power Hubs
Tech
Port
All Solar Stik Systems are scalable, and the method used for scaling Power Management
components is “Stacking”. Multiple Power Hubs can be stacked when conditions warrant. Stacking
can be used when a greater contribution from PV is desired, and the PV rating exceeds the ability of
a single Power Hub to regulate. (Figure 23)
The combined maximum
potential
power output from two (2) Power Hub 3500s is 7000 W in a
stacked configuration. At 24 VDC, that equals 208 A of current, which roughly equals the 200 A
max capacity of the Inter-Connect Cable.
A maximum of six (6) 400 W PV arrays (~2500 W) may
be connected to each of the two (2) Power Hubs to remain within the rated current capacity of a
single Inter-Connect Cable in the configuration shown in Figure 23. Higher power configurations are
possible with additional Inter-Connect cables and Strips.
Expansion of a system to include more solar than 4800 W of PV power is simple, but it must be
done in a way that maintains the “balance” of all System components and circuits. Please contact
your FSR for help with such an expansion.
Power Hub Stacking