The design of an Automatic Power Supply from Four Different Source using a micro-controller ensures a steady power supply.
This project is designed to automatically supply continuous power to a load through one of the four sources of supply: solar, mains, thermal, and wind when any one of them is unavailable.
The four switches represent the four causes. The switches are connected to an 8051 microcontroller, of which they provide input signals. Whenever a switch is pressed, it shows the absence of that particular reference.
A relay driver is used that receives microcontroller-generated output and switches that specific relay to provide the continuous power supply. A lamp or bulb is used as a load for demonstration purposes which draws power from the main.
When the primary fails to supply power automatically, the next available source is thermal. If thermal fails, then the next one is used, and so on. An LCD is used to show which power supply is on.
Design and Implementation of an Automatic Power Supply from Four Different Source Using Microcontroller
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Automatic Power Supply from Four Different Source FAQ
Why is AC used instead of DC?
Simply put, AC voltage can convert voltage levels with just a transformer, making it far easier to transport across great distances than DC, whose conversion requires more complex electronic circuitry. Electric charge in AC periodically changes direction, causing the voltage level to reverse.
Why is DC not used in homes?
Direct current is not used at home for the same value of the voltage, and DC is more lethal than AC since direct current does not go through zero. Electrolytic corrosion is more an issue with direct current.
How do you convert AC and DC power?
If you have AC, feed it through a diode to convert to DC. You can do the same with the DC. Using full-wave rectifiers, both AC and “any-polarity” DC will work. The two can be combined into one circuit, and whichever power source produces the larger voltage will supply power to your 9V device.
What are the basic types of power supply?
There are three subsets of regulated power supplies: linear, switched, and battery-based. Of the three basic regulated power supply designs, linear is the least complicated system, but switched and battery power have advantages.
Which device can automatically break supply?
A circuit breaker is a device used to make or break a circuit at any load, i.e., at no-load, full load, or short circuit condition. Therefore, it automatically interrupts the supply in the event of surges. An isolator is a device that operates only at no load condition after the operation of the circuit breaker.
What is an automatic power supply?
This project is designed to automatically supply continuous power to a load through one of the four sources of supply that are: solar, mains, thermal, and wind when any one of them is unavailable. … When the primary fails to supply power, automatically next available source is used as thermal.