What is a single phase ups?
What is a single phase ups?
Single phase is commonly called “residential voltage” because it is widely available in homes. For example, the microwave oven, the coffee machine, your PC in your household can be single phase devices. In different regions there is a similarity for single phase connections: It requires two wires (one voltage wire and one neutral wire) for completing the circuit. The figure below shows the current flow in single phase AC power.
The power is supplied by either one of the two 120V power circuits in loads using low power circuits such as light, television, etc. Nowadays, three phase has replaced the original two phase power systems for power transmission and utilization.
Single phase uninterruptible power supplies typically cover requirements up to 30 KVA and are used for smaller installations such as rack-mounted servers, telecoms or computer systems, and network switches, along with any device that runs directly from a standard three-pin plug.
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