How does an Uninterruptible Power Supply System Work?
An uninterruptible power supply, or UPS system, is a solution that prevents a loss of power that could damage systems that rely on a continuous power supply.
The size and design of a UPS System determines how long it will supply power.
What are the types of UPS Systems?
- Standby UPS System – Voltage & Frequency Dependant (VFD) – A standby UPS System switches to battery backup power when it detects a problem with the power supply such as a mains failure or voltage surge. When incoming power from the mains supply drops below or surges above safe voltage levels, the UPS System switches to DC battery power and then inverts it to AC power to run connected equipment.
- Line Interactive UPS System – Voltage Independent (VI) – This type of UPS System works the same as the Standby Type but has an AVR incorporated to smoothen out ripples in voltage before supplying the load
- Online Double Conversion – Voltage & Frequency Independent (VFI) – A double-conversion UPS System provides consistent and clean power regardless of the condition of incoming power. Double Conversion UPS Systems provide a stable source of power as they operate on isolated DC power 100 percent of the time and have zero switch-over time.
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