stand alone solar power systems

Components of a Stand Alone Solar System

Solar Panels

The panels make electricity from the sun. Panels can be fixed to the roof or be freestanding on the ground. The number of panels required depends on the energy needs of the house. A 2 bedroom house can use more than a 5 bedroom if it has energy inefficient appliances that are left on for long periods



Regulator

The regulator controls the amount of electricity coming from the panels to the batteries. This stops them overcharging. The regulator also typically gives information about the battery voltage and how much daily energy has come in from the panels and is being used by the house




Batteries

Batteries store the energy from the panels for use when the sun is not shining. In a typical 2-3KW system, 6 to 12 batteries are used. Each battery can weigh approximately 120 Kg. Batteries are normally arranged at 24 or 48 volts DC and kept in a locked ventilated area



Inverter/ Charger

The inverter converts the battery voltage to 240V AC so that one can use normal household appliances. The charger is used with a generator in prolonged periods of cloudy weather so as to charge the batteries if they get a bit low.



Fuse Box

The output of the inverter is then wired up as a normal house





Power Points

Most normal appliances can be used. However the total appliances on at any one time should not exceed the rating of the inverter as it may shut down due to overload

Download this information and more, in the Sun Power Understanding Solar Power and Energy PDF

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Stand Alone Solar Power
Stand alone solar power independant of the grid

Stand alone solar panel systems are completely independent of the grid. No more power cuts or electricity bills.

Grid Connected Solar Power
connect to the grid solar power systems

Grid Connect Solar Power Systems are used when you are already using power from the main grid and wish to generate your own power that will supplement that used from the grid.

Energy Needs Calculator
Solar energy usage calculator

Calculate your energy needs with the Sun Power energy calculating worksheet. Simply change or remove the columns to suit your usage to calculate your daily energy usage.