Solar Articles

  • Solar Wire Management
One of the most important tasks when installing a PV system is wire management.  This task is sometimes overlooked by installers or not given enough attention. Installers that take their wire...
Support Article
8/11/2018
  • 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
  • Solectria
  The Problem Many inverters installed in the last 10+ years are now failing and are no longer protected by the original product warranty. With limited possibilities of extending warranty coverage,...
Support Article
6/13/2017
  • Sistema Solar PV -> Controlador de carga -> Banco de batería <-> Inversor (basado en el banco de baterías) <-> cargas de corriente alterna <-> Utilidad
En los sistemas de conexión DC, la energía solar almacenada fluye primero a un banco de baterías a través de un regulador de carga y luego a cargas AC a través de un inversor basado en la batería. En...
Support Article
10/17/2016
  • Maximum Power Point - MPP
Designing systems so that panels operate as closely as possible to their Maximum Power Point is critical to maximizing the performance of the system. A large central inverter such as the Solectria...
Support Article
9/7/2015
  NEC 2014: Article 690.12 “Rapid Shutdown of PV Systems on Buildings” There were several changes to the 2014 NEC code that affect PV systems.  Of these changes, the most notable is article 690...
Support Article
1/5/2015
  •  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
  • Nationally Recognized Testing Laboratory, cec certification solar
NRTL certification means your solar panels and solar modules conform to safety, health, and environmental standards as required by: NEC, OSHA, and the National Fire Prevention Association. NRTL...
Support Article
9/22/2011
  • How does MPPT Charge Controllers work?
The maximum power point tracking (MPPT) is a higher efficient DC-DC converter technology compared to "shunt controller" and "pulse width modulation (PWM)" technologies. Using a non-MPPT charge...
Support Article
3/17/2011
  • 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