Ups Sizing Data: line_interactive
UPS (Uninterruptible Power Supply) system sizing data for critical power design — covers offline/standby, line-interactive, online double conversion, and rotary topologies from 0.5 kVA to 1000 kVA; includes efficiency at 100% and 50% load, transfer time, output voltage regulation, output THD, overload capability, battery type, runtime at full load, heat dissipation, weight, and noise level
| ups topology | power rating kVA | THD output pct (%) | battery type | efficiency pct at 100 load (%) | efficiency pct at 50 load (%) | heat dissipation BTU per hr (BTU/hr) | noise dBA (dBA) | notes | output voltage regulation pct (%) | overload capability pct for 10min (%) | power factor (dimensionless) | power rating kW (kW) | transfer time ms (ms) | typical runtime min at full load (min) | ups id | weight lb (lb) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| line_interactive | 1 | 3 | VRLA sealed lead-acid | 97 | 95 | 256 | 44 | Line-interactive with AVR (automatic voltage regulation); buck/boost transformer conditions voltage before battery needed; better than standby for brownout-prone areas; suitable for network equipment and workstations | 5 | 125 | 0.9 | 0.9 | 4 | 6 | LI_1KVA | 25 |
| line_interactive | 1.5 | 3 | VRLA sealed lead-acid | 97 | 95 | 384 | 44 | Line-interactive with AVR; 4-6 ms transfer; inverter always online; suitable for small servers network switches VoIP systems | 5 | 125 | 0.9 | 1.35 | 4 | 6 | LI_1.5KVA | 30 |
| line_interactive | 2 | 3 | VRLA sealed lead-acid | 97 | 95 | 512 | 45 | Line-interactive; AVR via auto-transformer; pure sine wave on battery; suitable for 1U rackmount servers NAS storage | 5 | 125 | 0.9 | 1.8 | 4 | 5 | LI_2KVA | 35 |
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