Solar Articles

  • Inverter Heat
Inverters, like all semiconductor-based equipment, are sensitive to overheating and, in general, operate best at cooler temperatures, while suffering power losses and damage at higher internal...
Support Article
7/24/2018
  • MPPT Algorithm
  1. Constant Voltage   Constant voltage maximum power point tracking was one of the first ever created algorithms and has the most limitations. Constant voltage MPPT simply measures the ambient...
Support Article
9/13/2017
  • Proper preparation prevents poor performance with Solar Installation
Solar integrators use all sorts of tools to complete the tasks that keep their businesses moving forward. These include the obvious hand and power tools to install the solar equipment and the less...
Support Article
9/1/2016
  • Getting the most out of your solar array
  The following is a general breakdown of the ideal tilts to meet the energy demand you are hoping to get out of an array: Year-round loads: Tilt angle equals latitude Winter loads: Tilt angle equals...
Support Article
12/14/2015
  • Inverter Effect Diagram
​On the input DC side, before the power is converted to AC by the inverter, we generally have two options: 600VDC or 1000VDC. One of the most important recent developments in the PV industry is the...
Support Article
11/17/2015
  •  AC or DC Coupled
It seems like a small amount of confusion exists about photovoltaic systems utilizing battery backup features.  What’s the confusion?  DC and AC-coupled systems are many times referred to as the same...
Support Article
11/28/2014
  • Choosing the Right MPPT Solar Charge Controller
Inverter and Charge Controller - a delicate balance  In an Off-Grid or Hybrid (Grid-tied, with battery back-up) PV system, the Inverter is generally the heart of the system. Inverter size is...
Support Article
7/13/2012
  • Can an inverter be installed outdoors?
There are many inverters for PV systems that can be installed outdoors. In fact, most grid-tied inverters are designed for outdoor use, although most off-grid inverters are not weatherproof and are...
Support Article
12/13/2011
  • SMA Sunny Boy Transformerless Inverter
What is a transformerless (TL) inverter? Transformers The differences between standard or conventional inverters and transformerless inverters are: Conventional inverters are built with an internal...
Support Article
9/26/2011
  • Sun Energy Output Solmetric Insolation Tool: Honolulu
Azimuth is the array’s east-west orientation in degrees. In most of the solar PV energy calculator tools, an azimuth value of zero is facing the equator in both northern and southern hemispheres....
Support Article
11/24/2010