Question

what is the difference between ups and inverter?

Answer 1

For the PCs, we use UPS. For the whole house we use the Inverter. For the domestic use, though we make use of Inverters still we say UPS and it is really inverter we use at houses

Answer 2

Uninterrupted Power Supply (UPS) is the means to switch power sources without incurring an interruption. For example if the sources are 240 Volts AC, the switch will not occur until, the amplitudes and phase are equivalent then the switch with a make before break operation without a blink.

Answer 3

An inverter is a type of power source.

Answer 4

@asmagul: I'm not sure where you live but I'm pretty sure your house does not run off an inverter :)

An inverter is a device which converts DC to AC...it's that simple.

A UPS is an uninterruptable power supply which uses batteries and an inverter to provide AC power in the case of problems with the normal AC power (complete loss, amplitude spike/sag, frequency issues, etc...depending on the UPS design).

There are two basic UPS designs:

1) Standby UPS - More common and cheaper. When normal power is available it is used to feed the internal battery charger and the connected loads. When there is a loss of power the connected loads are switched to feed off of the internal inverter which is fed from the inverter. This power switch is usually very quick (milliseconds) and most equipment won't even notice it.

2) Continuous UPS - Used in more critical applications where power must be as stable as possible. These types of UPS are significantly more expensive. Basically, they work by providing very clean, stable output power via the battery and the inverter all of the time. There is no switchover time when there is a power loss because the load is always connected to the inverter output.