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3.125kW Photovoltaic Array
3.5kW Sharp 120/240 Inverter
This recent system was designed, engineered and installed by Direct
Power and Water Corporation. The system is a classic residential
utility interactive system feeding electricity back into the Public
Service Company utility system.
The array is mounted on a Direct Power and Water block
ballasted racking structure which requires no roof penetrations.
The ballast is accomplished by using concrete blocks that are
placed in aluminum
trays that are attached to our own custom extrusion called Power
Tube ™.
Total Cost of this system installed was $25, 979
The system consists
of the following major components:
| 19 |
Sharp 185 watt modules |
| 1 |
Sharp JH3500 U line
tie inverter |
| 4 |
Direct Power and Water
Block ballasted low profile roof racks BBLPR4-SH175 |
| 1 |
Direct Power and Water Block
ballasted low profile roof racks BBLPR3-SH175 |
| 2 |
H361NRB 3-pole 600VAC/VDC
outdoor rated fused disconnect with neutral DC Disconnect Local
code requirement mandate a visible means of disconnect within
line of site of
photovoltaic array |
| 1 |
SQH221NRB - HD 30amp Disconnect
240vdc AC disconnect |
Installation time for this system was as follows:
| 21
hours |
Master Electrician |
| 35
hours |
Laborers |
| 5
hours |
Engineer project management |
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