Measurement system, Voltage measurements, Current measurements – MGE UPS Systems Galaxy PW User Manual
Page 27: Power and frequency measurements, Control-panel display

19
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;
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.
Control-panel Display
1
2
Q1
Q5N
QF1
U - V - I - F
U - I - F
U - I
F
U - V - I - F - P
A
B
C
D
Q4S
6
4
3
1
2
Fig. 19
LOAD
KW
KVA
PL/PN = --- %
FREQ.HZ
P1
----
----
M1 --.-
P2
----
----
M2 --.-
P3
----
----
FP.LOAD = -.-
INV --.-
RMS
M1
M2
LOAD
FC-LOAD I-LOAD/I-NOM
I1
----
----
----
-.--
---- %
I2
----
----
----
-.--
---- %
I3
----
----
----
-.--
---- %
RMS
M1
M2
LOAD
RMS
M2
LOAD
U12
----
----
----
V1
----
----
U23
----
----
----
V2
----
----
U31
----
----
----
V3
----
----
User’s Manual