To understand how wiring in series works in comparison to how parallel wiring works let s think for a moment about how christmas lights used to work.
Solar panels in parallel or series.
The panels are all the same 175 watt panels each has some kind of roof entry gland a charge controller and the batteries.
A series parallel connection is accomplished by using both a series and a parallel connection.
How to set up your system in series parallel.
When doing a series parallel connection you are essentially paralleling 2 or more equal strings.
The capacity of a solar panel to produce energy is measured in watts which is calculated by multiplying a solar panel s voltage by the amps of current it produces when a solar installer builds a solar energy system they need to find the right balance of voltage and amps to ensure that the system performs well.
All parts on this first diagram are for the most part the same.
Maximum power point tracking mppt charge controllers are for wiring solar panels in a series where pulse width modulation pwm charge controllers are used to wire solar panels in parallel.
Voltage amps of wiring solar panels in series vs parallel.
The following solar panel and battery wiring diagram shows how to wire a four 12v solar panels in series parallel connection to a 24v 400ah battery with an automatic inverter system.
Comparing solar panels in series vs.
Note that the number of solar panels and batteries depends on the system s design and load requirements i e.
This is called a string.
Solar panels in series vs.
While we re not going to get too deep into the details the difference between connecting solar panels in series vs in parallel is an intermediate level solar discussion.