System Overview
34
5.1.2 Power System
The electrical system of the Liebert FS is shown in
Figure 36
. The schematic shows the Magnetic
Levitation Module [see
5.1.7 - Magnetic Levitation Module (MLM)
]. The pre-charge resistor and
contactor which limit the inrush current into the DC bus capacitors. The six-pulse IGBT power con-
verter (
IGBT Power Conversion Module (PCM) on page 36
) which is controlled by the Power
Conversion Module Controller (
Power Conversion Module on page 33
) and which also monitors
and controls the operation of the entire system. These components are housed within the Power Con-
version Module. The Flywheel Module is shown as a cross-section to illustrate the rotating group and
the synchronous reluctance motor-generator.
Figure 36 Electrical system schematic
5.1.3 System Performance
The maximum output power of the Liebert FS varies according to the duration required. This is illus-
trated in
Figure 5
(output power versus time). Increased power, duration or redundancy may be
achieved by adding units in parallel as shown in
Figures 2
through
4
.
Magnetic Levitation
Module
Control
Panel
DC Monitoring
Motor Generator Controls
Power Conversion Module Controller
CO
M
AU Au
xi
li
ar
y
B
ack
u
p
Remote Monitoring
& Controls (Optional)
Sp
ee
d
S
e
ns
or
s
T
em
p
er
at
u
re
S
e
ns
or
s
Po
s
it
io
n
S
e
ns
or
s
To UPS
Battery
Input
Soft Start
IGBT Power Converter
+
-
Flywheel Module
Содержание Liebert FS Series
Страница 2: ......
Страница 12: ...x ...
Страница 127: ...Installation Drawings 115 Figure 121 Electrical connections ...
Страница 128: ...Installation Drawings 116 Figure 122 Electrical system block diagram ...
Страница 130: ...Installation Drawings 118 Figure 125 Outline drawing Liebert FS cabinet 12 100120 00 Rev 01 ...
Страница 156: ...Installation Drawings 144 Figure 152 Power line diagram ...
Страница 166: ...Auxiliary Backup AC Power Supply 154 ...
Страница 167: ......