Difference Between UPS and Inverter
Electronic devices require a constant flow of electricity for operation. Hence when the flow of electricity is disrupted, the devices will shut off, which is a major concern as it may also disrupt the workflow. Both UPS and Inverter are used to provide the backup power supply in the event of a power shut-off, to keep the electronic devices running.
UPS vs Inverter
The main difference between UPS and Inverter is that UPS is a device used to provide uninterrupted electric power to sensitive devices such as computers, in the event of a power failure. Inverter on the other hand is a device that can convert DC power to AC power and supply it to non-sensitive devices such as lights, fans, and so on.
UPS stands for Uninterrupted Power Supply. It is a device used for providing power supply to sensitive electronic devices in the event of a power failure. The device is connected to a battery which is used to store the power. it supplies a continuous flow of AC to the electronic device connected to it.
An inverter is an electronic device that is used to convert DC into AC. It is mostly used to supply electric power to essential devices such as lights, fans, and other non-sensitive electronic devices. The device is primarily connected to a DC power supply, such as a battery.
Comparison Table Between UPS and Inverter
| Parameters of Comparison | UPS | Inverter |
| Definition | UPS stands for Uninterrupted Power Supply | The inverter is a device that can convert DC power to AC power |
| Function | UPS is used to supply uninterrupted AC power to devices for a small amount of time | The inverter is used to convert DC power to AC power and supply it to non-sensitive devices such as lights, fans, etc |
| Switching time | The switching time of UPS is about 2 to 5 milliseconds | The switching time of the Inverter is about 200 to 500 milliseconds |
| Backup time | It has a very small backup time | It has more backup time than a UPS |
| Circuitry | It has a complex circuit | It is a simple DC to AC conversion circuit |
What is UPS?
UPS stands for Uninterrupted Power Supply. It is an electronic circuit that is used to supply an uninterrupted and continuous flow of AC power to sensitive electronic devices such as computers, TVs, and so on.
The circuit of a UPS is very complex compared to other power sources. The UPS mainly consists of a battery source to store DC power. The battery is charged from the AC power supply connected to the UPS.
The battery is also connected to an inverter circuit which is used to convert the DC power of the battery into AC power used to supply to the electronic devices.
The inverter is connected to a charge controller which helps in the switching of the UPS. The UPS circuit draws AC from the regular AC outlet. The current flows to the electronic devices, as well as to the battery for storing the charge.
In the event of a power failure, the UPS quickly switches from the AC outlet to the battery for supplying power to the connected device. The switching time is very small, in the range of 2 to 5 milliseconds.
Thus this allows the UPS to supply uninterrupted backup power to the devices without much delay in switching.
What is Inverter?
An inverter is an electric circuit that is used to convert DC power into AC power. The circuit is connected to a source of DC power, such as a battery and converts it into AC power for supplying to other devices.
An Inverter is mostly used to power essential or non-sensitive electric devices, such as lights, fans, and so on where the fluctuation of power in the supply does not disrupt the functioning of the device.
Hence power-sensitive devices like computers and TVs should not be operated on the inverter supply. The circuitry of an Inverter is very simple compared to other power supply devices, such as a UPS.
The switching speed of an inverter is very less compared to that of a UPS, with a switching time in the range of about 200 to 500 milliseconds. Hence the device cannot provide a quick current supply to the connected devices.
But the backup capacity of the inverter is higher than most other electric power supply devices. Hence an inverter can supply AC power for longer than most other backup sources.
The only drawback of inverters is the lack of an internal charge controller in the device. Hence to charge the battery in an inverter, an external charge controller is required.
Main Differences Between UPS and Inverter
Conclusion
Power failure is a major concern in the working environments of today’s world. Even a small power shortage of just a few seconds can disrupt a whole day’s worth of work.
Both the UPS and the Inverter are excellent tools that help in reducing the problems caused by power shortage to a minimum and manageable level. They both work on the same basic principle by storing power in a battery and supplying it in the event of a power failure.
The UPS has a short switching time and can deliver continuous power to devices such as computers and laptops. The inverter on the other hand has a longer switching time and is essentially used for powering the non-sensitive devices, such as lights, fans, and so on.
References
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