How Power Inverters work
Power inverters simple converter DC (from sources like batteries or solar panels) to AC for use in the home or office.
The power inverter also implements some control algorithms to protect the batteries, equipment and personnel as additional functions.
Some come with integrated battery chargers to recharge the batteries when regular power supply is available or charge controllers to charge the batteries from solar panels while others have dedicated charge controllers.
Inverters can operate in both the manual mode and automatic mode depending on what the end user prefers.
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Inverters are electronic devices that convert direct current (DC) to alternating current (AC) using electronic components like transistors while offering protection to the load, battery bank and all connections especially at the utility side.
Inverters usually come with either integrated chargers or dedicated chargers to charge the battery bank.
Both the inverter and the charger works together to provide you with a reliable backup power when the regular utility power goes off by doing the following
Utility power ON
Charges the battery by rectifying the utility AC to DC while transferring the utility power AC to the output of the inverter and to the connected loads.
Utility Power OFF
Converts the stored energy in the battery (DC) to usable energy (AC) that powers your appliances.
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Why inverters?
We see UPS boxes almost everywhere you see desktop computers as they provide a small window for the computer to be turned off normally in the event of power failure or abonomalities that would require the computer to be disconnected from the regular source of electricity.
However, UPS provide backup in minutes where as inverter backup can provide backup in days.
Computers, networked computers and even laptops can benefit from inverter backup systems providing more runtime for these computers which hopefully would translate into productivity.
A small inverter backup could provide a minimum of about 8 hrs to a desktop pc or more than 24 hrs for a laptop without any problems whatsoever.
So, why stop at using a UPS to provide 15 minutes when you can remain productive for hours and days with a well setup inverter backup system.