Three new products from Quick Mount PV provide additional solutions for both pitched residential and commercial roofs. The New Roof Composition Mount is designed to be installed before the roofing material. It uses a post standoff and flashing that is installed by a roofing...
DPW Solar has introduced a line of fully ballasted mounting options that utilize a top-down mounting rail to reduce installation time. The system has undergone full wind tunnel testing and requires no penetrations for most locations. Attachment options are available if roof...
SolarWorld is now manufacturing 60-cell polycrystalline modules at its Oregon facility. The modules are available in outputs ranging from 220 W to 245 W. All modules are available with SolarWorlds version 2.0 or 2.5 frame. The 2.0 frame is compatible only with top-down...
Unirac has introduced a new digital inclinometer application developed specifically for the PV industry. The U-Clinometer app, designed for use on Apple iPhones and iPod touch devices, can be downloaded for free from the Apple App Store.
The racking system manufacturer PanelClaw declared its compliance with a new standard for racking: UL 2703, Rack-Mounting Systems and Clamping Devices for Flat-Plate Photovoltaic Modules and Panels. The standard covers rack-mounted systems and clamping devices for modules...
Schneider Electric released the solar industrys first 1,000 Vdc heavy-duty disconnect. The Square D REHU disconnects are housed in white NEMA 3 enclosures and have an operating temperature range from -37C to 50C.
Pictometry International has developed Pictometry Online, a web-based service offering a vast library of high-resolution aerial images. The tool is designed to enable integrators to quickly and accurately calculate exact characteristics of roof surfaces pitch, orientation,...
As the application space for string inverters grows, manufacturers have been positioning themselves to capture North American market share. Here we profile the 12 leading manufacturers and present detailed information about their products.
Design & Installation
Many stakeholders stand to benefit from the increasing availability of low-cost, rugged I-V curve tracers for field-testing PV applications. The overall shape of the I-V curve can be analyzed in ways traditional test methods cannot.
Operations & Maintenance
Part One of this article established PV performance guarantee risks and expectations; now Part Two outlines the major approaches to proof of system performance and discusses the hardware required for collecting plant metrics.
In 2017, Joe Schwartz contracted True South Solar to install a 3.45 kW SunPower array on an agricultural building located 320 feet from the system’s power room.
Design & Installation
In this article, I provide a detailed case study and consider the potential benefits of calculating maximum voltage or current values based on simulation program results.