Installation and user manual – MGE UPS Systems GALAXY PW 225KVA User Manual
Page 59
Installation and User Manual
Operation
4 — 11
86-133060-00 A00
4.8
Measurement System
The display may be used to read a number of input and output measurements made at different points in the system.
See Figure 4-12.
◗
Normal AC source 1
◗
Inverter output 4
- phase-to-phase voltages,
- frequency
- currents of the three phases,
◗
Total load 6
- frequency.
- phase-to-neutral voltage.
◗
Bypass AC source 2
- phase-to-phase voltages.
- phase-to-neutral voltage,
- currents of the three phases.
- phase-to-phase voltages,
- frequency.
- frequency,
- active and apparent power.
- currents of the three phases.
◗
Battery 3
- voltage.
- charge or discharge current.
- remaining battery time (for the UPS unit concerned).
- battery temperature.
Figure 4-12: Measurement System Diagram.
1
2
Q1
Q5N
QF1
U - V - I - F
U - I - F
U - I
F
U - V - I - F - P
AB
C
D
Q4S
6
4
3
1
2