Solar Articles

  • Chilicon
This article will discuss the advantages of using microinverters with AC coupling for residential, single-phase applications. The two leading microinverter manufacturers in the U.S. market include...
Support Article
9/19/2018
  • 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
  • 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
  • Block diagrams present an organized visual representation
The design of PV systems can be fairly simple as well as extremely complex.  No matter how difficult or easy, it is important to document the design process.  Doing so will help flush out issues...
Support Article
5/21/2015
  • AC-Coupling Design
One of the main considerations to AC-coupling design is the ratio between the Grid-Tie inverter (GTI) and the Battery-Based inverter (BBI).  Why? There are conditions that might occur when the site...
Support Article
12/9/2014
  •  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