Delta NT Series User Manual

5
Ultron NT Series
3.2 Back-up Mode (Single)
RECTIFIER INPUT
RESERVE
MAINS
BREAKER
RESERVE INPUT
BREAKER
MANUAL BYPASS
BREAKER
OUTPUT
BREAKER
BATTERY BANK
Power Flow
Power Flow
LOAD
STATIC SWITCHINVERTERRECTIFIER
Power Flow
Figure 3-2-a: Status Block of Back-up Mode (10-200kVA)
MANUAL BYPASS
RESERVE INPUT
OUTPUT
STATIC SWITCH
RECTIFIER INPUT
LOAD
BATTERY BANK
SWITCH
SWITCH
SWITCH
RESERVE
MAINS SWITCH RECTIFIER INVERTER
Power FlowPower Flow
Power Flow
Figure 3-2-b: Status Block of Back-up Mode (260-500kVA)
When the utility AC power fails or unstable voltage occurs, the batteries will instantly
provide DC power to keep continuous operation. Hence, the UPS output will not be
interrupted.

Delta NT Series Specifications

General

Brand	Delta
Model	NT Series
Category	UPS
Language	English