PQC Series
Static Var Generator
30
3.4 SVG
Cabinet
Wiring
1.
Before starting SVG cabinet wiring, please make sure that power is cut off to avoid
accidents.
2.
Appropriate cable glands shall be used for all SVG cable entries. Where possible use
the gland plates provided with the cabinet for cable entries. Remove the gland plates
prior to slotting or cutting for cable entries to avoid ingress of swarf & other debris. If
using large single core cables use nonferrous gland plates to reduce chance of eddy
currents.
3.
Selection of the cable glands must not compromise the enclosure required IP rating.
Follow the cable gland installation instructions of manufacturers to ensure correct
installation.
4.
The SVG must be grounded properly for safety concerns.
5.
Check the diameter markings on the SVG cabinet’s input wires, and verify that the wire
diameter and phase sequence are correct. Please follow
Figure 3-6
to perform wiring
and refer to
Table 3-1
for power line specifications.
(Figure 3-6: Connection diagram of the main power wires to SVG cabinet)
Table 3-1: SVG Cabinet’s Main Power Wires and Breaker Selection
SVG Rated
Capacity
(kvar)
Breaker
Size (A)
R/S/T Wire
Diameter
N Wire
Diameter
(3P4W)
N Wire
Diameter
(3P3W)
PE Wire
Diameter
50 kvar
100A
35 mm
2
35
mm
2
1.5
mm
2
16
mm
2
100 kvar
200A
70 mm
2
70
mm
2
1.5
mm
2
35
mm
2
150 kvar
315A
150 mm
2
150
mm
2
1.5
mm
2
70
mm
2
200 kvar
400A
185 mm
2
185
mm
2
1.5
mm
2
95
mm
2
250 kvar
500A
240 mm
2
240
mm
2
1.5
mm
2
120
mm
2
300 kvar
630A
2
×
1
50 mm
2
2
×
1
50 mm
2
1.5 mm
2
150
mm
2
