Table of Contents
Advertisement
o
Although the SimpliPHI 6kW contains only two solar PV string inputs, more than two
strings in parallel can be wired to the SimpliPHI 6K. If more than two strings are
connected in parallel to a single charge controller, each string must be fused.
o
Two solar PV strings in parallel at the KuPower 300W module's I
equates to 18.48A at STC, well within the limits of the charge controller's short circuit
current input limit of 21A.
Based on calculations #2 and #3 above, a maximum of two parallel strings of twelve KuPower 300W
modules in series can be wired to each of the SimpliPHI 6kW's two charge controllers.
4.
The charge controller can be paired with a maximum 3,750 Watts of solar PV Wattage.
In this example, the KuPower 300W module has a Maximum Power (P
•
12 modules are the maximum allowable number of modules that can be paired per charge
controller: 3,750W ÷ 300W = 12.5 (round down to the next whole number).
5. The SimpliPHI 6kW (with two built-in charge controllers) can be paired with a maximum 7,500
Watts of solar PV Wattage.
In this example, the KuPower 300W module has a Maximum Power (P
•
25 modules are the maximum allowable number of modules that can be paired per SimpliPHI
6kW Inverter: 7,500W ÷ 300W = 25.
Considering all five of the above calculations, the optimal solar module configuration in this example is
wiring a maximum of two parallel strings of twelve KuPower 300W modules in series to each of the two
SimpliPHI 6kW's two charge controllers, for a total of 24 modules paired with the SimpliPHI 6kW.
WARNING:
TYPES OF PV MODULES ARE ACCEPTABLE: CLASS A-RATED MONO-CRYSTALLINE
AND POLY-CRYSTALLINE MODULES.
To avoid any malfunction, do not connect PV modules with the possibility of current leakage to the inverter.
For example, grounded PV modules will cause leakage current to the inverter.
CAUTION:
It is recommended to have a PV junction box with surge protection. Not having appropriate surge
protection with lightning arrestors can cause high voltage to enter the inverter and damage the electronics.
Damage caused by high voltage input will Violate the terms of the Warranty.
PV Connections
Step 1:
Check the input voltage of PV array module strings with a multi-meter. The acceptable input voltage
of the inverter is 120VDC - 600VDC and current should not exceed 15A (or 21A Isc)
Step 2:
Turn your PV circuit breaker, RSD device and PV disconnect switch to the OFF positions.
Step 3: Strip approximately ½" of the insulation on each of the conductors.
© SIMPLIPHI POWER
BECAUSE THE SIMPLIPHI INVERTER IS NON-ISOLATED
| 20 |
rating of 9.24A
MP
) rating of 300W at STC.
MAX
) rating of 300W at STC.
MAX
ONLY TWO
REV2022007071630
Advertisement
Table of Contents
