Knowledge Base
Uninterruptible Power Supply (UPS)
A device that provides emergency backup power and power conditioning to protect critical equipment from power outages and electrical disturbances.
An uninterruptible power supply (UPS) provides backup power to critical equipment when the mains supply fails. It bridges the gap between an outage and restoration of utility power or generator activation.
UPS Topologies
- Online (double-conversion) — highest protection, continuous DC/AC conversion
- Line-interactive — autotransformer voltage regulation
- Offline (standby) — simplest, switches to battery on failure
Role of Transformers
Transformers in UPS systems provide galvanic isolation, voltage matching, and bypass paths. Unitraf JSC manufactures isolation and power transformers specifically designed for UPS applications.