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Solar Systems

The solar system came about from my desire to do two things:

1) Learn about solar PV by building a small off grid system.

2) Power the electric motorcycle with clean solar power.

In the end, the electric vehicle is only as clean as the source of power. I felt that the cleanest power system out there today is solar power.

The system consists of these main components.

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4 panels mounted on 2 racks. The panels are Kyocera 130 watt panels 12 volts each. System voltage is 48 volts. The 4 panels feed power into a DC breaker box mounted inside the workshop, but close too the roof. This is done so that the breaker is as close as possible to the source of power. The box also includes a lightning arrestor in case mother nature does bad things to me. The purpose of the arrestor is to ground the system in case of a lightning and not allow the electronics in the system to be fried by the surge. The breaker box is also a combiner box for if I add more panels in the future they can merge here to feed the same charge controller. In this way the solar system is truly a modular system for upgrades.

   

The Outback charge controller does just as the name implies. It regulates the charge going to the batteries. The interesting thing about this is that the solar panels can be wired as a 48 volt system and the battery bank is only a 12 volt system. The charge controller makes this conversion. The front panel display gives some good information about what is going on within the system. It shows the volts, amps and watts produced by the panels. It also shows the voltage and the amperage on the battery side of the circuit.

   

The Trojan batteries are some of the largest in the Trojan line L16H is the model number. They are 6 volts each and 420 amp hours. They are warranted for 7 years.

   

The Xantrex Inverter is an 1800 watt system. The Zivan charger on the motorcycle only draws about 1000 watts at a time, so the 1800 watt inverter should handle that without any problem.

   

If the grid ever goes down for an extended period of time I could run my refrigerator and deep freeze on this system. It is always good to have a back up system, in case something bad does happen.


Two racks of two Kyocera 130 Watt solar panels each on the shop roof.


Outback charge controller regulates the charge going to the batteries.


Trojan L16H batteries. These are large format 6-volt batteries, common in off-grid systems, with a 7-year warranty when used in a solar system.


Xantrex Inverter changes the DC current from the batteries to normal AC household current.