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System Overview
44
Figure 44 Voltage and Inductance curve
The V-I (Voltage and Inductance) curve (see Figure 44) shows the performance characteristics and
modes of operation of the Liebert FS system based on the seven user-configurable system parameters.
Regulation Voltage Delta During Discharge (Vreg Delta 1)
Vreg Delta is the programmed amount of voltage drop from the beginning of discharge (SOC = 100%)
to the Vreg Delta TSOC.
• Range—from 0 to (Vreg - 250) VDC
(Ex: if Vreg = 500, then the Vreg Delta1 can be set between 0 and 250 VDC)
• Default setting—0 VDC
Regulation Voltage Delta Transition at State of Charge (Vreg Delta T SOC)
•Range—0-100%
•Default setting—0
User Adjustable Parameters :
1. Vcharge: 260V – 600V
2. Vreg: 250V – 590V
3. Charge Amps/Volt: 0.1A/V – 10A/V
4. Max Charge Current : 1A – 50A
Overload : Constant Current
Behavior: Voltage Source
Behavior: Current Sink
Vcharge
Charge
Amps/
Volt
Vreg
Charge
Mode
Discharge
Mode
Max Charge Current
DC Bus
Voltage
DC Bus
Current