Measurement System; Voltage Measurements; Current Measurements; Power And Frequency Measurements - MGE UPS Systems Galaxy PW User Manual

measurement system

The display may be used to read a num-
ber of input and output measurements
made at different points in the system.
See figure 18 .
normal AC source 1
phase-to-phase voltages,
currents of the three phases,
frequency;
bypass AC source 2
phase-to-neutral voltage,
phase-to-phase voltages,
frequency,
currents of the three phases;
1
U - I - F
A
Q1
1
2
U - V - I - F
Q4S
2
Fig. 19

voltage measurements

These measurements may be accessed
by pressing the "V" key 13 . The following
data is displayed.
Note:
M1: normal AC source
M2: bypass AC source

current measurements

These measurements may be accessed
by pressing the "A" key 14 . The following
data is displayed.
Note:
CF: crest factor
power and frequency
measurements
These measurements may be accessed
by pressing the "W.HZ" key 16 . The fol-
lowing data is displayed.
Note:
PF: power factor
battery 3
voltage;
charge or discharge current;
remaining battery time (for the UPS unit
concerned);
battery temperature;
inverter output 4
frequency;
total load 6
phase-to-neutral voltage,
phase-to-phase voltages,
currents of the three phases,
frequency,
active and apparent power.
3 4
F
U - I
B
QF1
D
C
RMS
U12
U23
U31
RMS
I1
I2
I3
LOAD
P1
P2
P3
Control-panel Display
6
U - V - I - F - P
Q5N
M1 M2 LOAD
---- ---- ----
---- ---- ----
---- ---- ----
M1 M2 LOAD
---- ---- ----
---- ---- ----
---- ---- ----
KW KVA PL/PN = --- %
---- ----
---- ----
---- ---- FP.LOAD = -.-
User's Manual
RMS M2 LOAD
V1 ---- ----
V2 ---- ----
V3 ---- ----
FC-LOAD I-LOAD/I-NOM
-.-- ---- %
-.-- ---- %
-.-- ---- %
FREQ.HZ
M1 --.-
M2 --.-
INV --.-
19