The UPS passes utility power directly to the connected equipment while simultaneously charging the battery.
Depending on the architecture of the UPS, there are three primary operational schemes: , Line-Interactive , and On-line (Double Conversion) . 1. Off-line (Standby) Scheme This is the simplest and most common scheme for home PCs. shemy raboty ibp
When voltage falls outside a specific range or fails entirely, a mechanical switch transfers the load to the internal battery and inverter. The UPS passes utility power directly to the
Low cost and high efficiency, but features a short "switching delay" (typically 4–10 ms) and no voltage regulation in normal mode. 2. Line-Interactive Scheme Off-line (Standby) Scheme This is the simplest and
An evolution of the standby UPS, often used for small office networks.
Better protection against brownouts than Off-line models, with a reduced frequency of battery use, extending battery life. 3. On-line (Double Conversion) Scheme