Oklahoma residents are no strangers to booming summer thunderstorms, hail and the unfortunate tornado roaring through their state. With such storm potential and the history of grid outages they’ve caused, solar-curious customers are increasingly interested in backup power.
As another season of powerful winter storms takes its toll on the East Coast, many installers will be greeted at the door with questions of modifying their system, battery costs and the vast capabilities.
Believe it or not, code references for determining the calculation to adequately size a PV inverter breaker are longer than the calculation itself. Don’t be intimidated into making a costly mistake when designing a customer’s solar system.
The calculation is simply the maximum output current of the inverter multiplied by a 125 percent safety factor, then rounded up to the nearest breaker size.
At a blistering three megawatts-per-week pace, progress at Honduras’s largest PV plant is being made in great strides. The 24 MW Pavana Solar Park in Choluteca began construction in late 2014 and is expected to be commissioned in early 2015.
Long Island’s Eldor Construction is showcasing its love for solar and dedication to renewable energy with a 102 kW carport system at its company headquarters. The carport centerpiece is as attractive with the building’s façade as it practical, offering a reprieve from winter storms and a charging station for the company’s fleet of electric vehicle.
Calendar Club, a national retailer of seasonal calendars, toys and games, recently commissioned a 247 kW solar system on the roof of its Austin, Texas warehouse. With more than 1,000 stores nationwide, production and distribution is a large-scale operation requiring major electrical demands.
Watch as the Solar Academy shows how to install the Sunny Tripower TL-US, the most advanced solution for commercial solar systems. Greg Smith also covers installation best practices for using the Connection Unit and advantages of the SMA ReadyRack.