essex construction
Essex General Construction is a premier design/build general contractor. Since 1987 their team has been the contractor of choice on complex as well as simple projects. Essex Construction works as a team with architects and engineers to provide the best and most cost effective building design. They will assist you from beginning to end: from the complex land use and permit process, through value engineering, scheduling and construction to final completion and occupancy.
Essex installed a 6.12 KW solar electric (PV) with Advanced Energy Systems. This PV system comprises 24 Sharp 160W modules, and 14 Sharp 162W modules. These 38 modules are mounted on Unirac racks that are connected to the underlying roof purlins with stainless steel hardware. The Sharp 160W modules are wired in series strings of 12 Modules/Circuit and connect to a SMA 3800U 208V Inverter. The Sharp 162W Modules are wired in a series string of 14 Modules/Circuit and this circuit feeds an additional SMA 3800U Inverter. This sub-array can be expanded by up to 10 more modules or 1.6KW at a later date.
The two inverters are combined in a 125A 3 phase panel board and the power is then routed to an outdoor utility AC disconnect before landing in the 200A main service panel for the office section of the building. A 3 Pole 50A circuit breaker is installed in the panel board and is the back fed breaker for the PV system.
Each inverter is equipped with an antenna that can transmit data wirelessly
to a receiving device called a Sunny Beam. The Sunny Beam accumulates data
both instantaneous and cumulatively. It can be connected to a PC via a USB
cable. The Sunny Beam is displayed at the reception area of Essex Construction
for public viewing.
Project Partners:
EWEB
Energy Trust of Oregon
Oregon Department of Energy
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Essex
Construction 6.1 KW System |
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