Tripp Lite S3M60K60K6T Owners Manual S3M 3-Phase UPS Systems for Models S3M25- - Page 40

4. Operation 4.1 Operation Modes The UPS is a double-conversion on-line UPS that may operate in the following alternative modes: 4.1.1 AC Line Mode The rectifier/charger derives power from the AC mains and supplies DC power to the inverter while floating and boosting charge to the battery simultaneously. Then, the inverter converts the DC power to AC and supplies to the load. SINGLE INPUT: Mains Input DUAL INPUT: Mains Input and Bypass Input Maintenance Breaker Maintenance Breaker Bypass Breaker Static Bypass Bypass Input Bypass Breaker Static Bypass AC Input Input Breaker Rectifier Output Output Breaker Inverter AC Input Input Breaker Rectifier Output Output Breaker Inverter Battery Input Battery Breaker On-line Mode Battery Input Battery Breaker On-line Mode Figure 4-1: AC Line Mode 4.1.2 Battery Mode (Stored Energy Mode) If the AC mains input power fails, the inverter, which obtains power from the battery, supplies the critical AC load. There is no power interruption to the critical load. The UPS will automatically return to Normal Mode when AC recovers. SINGLE INPUT: Mains Input DUAL INPUT: Mains Input and Bypass Input Maintenance Breaker Maintenance Breaker Bypass Breaker Static Bypass Bypass Input Bypass Breaker Static Bypass AC Input Input Breaker Rectifier Inverter Output Output Breaker AC Input Input Breaker Rectifier Output Output Breaker Inverter Battery Input Battery Breaker Battery Mode Battery Input Battery Breaker Battery Mode Figure 4-2: Battery Mode 40