Solar Articles

  • 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
  • MPPT Charge Controllers
Selecting an efficient and properly designed charge controller is key to the longevity and efficiency of your entire battery-based photovoltaic (PV) system. By optimizing the power coming in from...
Support Article
6/4/2015
  •  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
  • Battery Life and Performance Factors
There are multiple factors that significantly affect the life of a battery. I'll try to summarize the major issues related to battery performance: 1- Cyclic life The battery life is mainly determined...
Support Article
12/3/2010
  • 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
The charge controller is a regulator which limits the rate of current that goes to and from the battery pack. Charge controllers are essential to prevent overcharging or completely draining a battery...
Support Article
7/7/2010