SEMIKRON SKiiP 4 User Manual

© by SEMIKRON / 2017-09-07 / Technical Explanation / SKiiP
®
4 Page 14/73
Table 4—5 summarizes the installation altitudes for SKiiP
®
4.
Table 4—5: Installation altitudes for SKiiP
®
4 as function of the grid configuration, overvoltage
category and required isolation degree
SKiiP4
(with 690V
grounded delta)
Overvoltage category III Overvoltage category II
Grounded delta
grid
TN 690V
Grounded delta
grid
TN 690V
Basic
isolation
against
ground
Required
for
2000m
8 mm 5,5 mm 5,5 mm 3 mm
Existing 8 mm
Factor 1 1,45 1,45 2,66
Altitude 2000m 4840m 4840m 9000m
Rein-
forced
isolation
Required
for
2000m
14 mm 8 mm 14mm 8mm
Existing 14 mm
Factor 1 1,75 1 1,75
Altitude 2000m 6250m 2000m 6250m
Maximum Altitude
with safety
isolation
2000m 4840m 2000m 6250m
Maximum Altitude
without safety
isolation
2000m 4840m 4840m 9000m
L
1
L
2
L
3
U
L
1
3
U
L
1
2
U
L23
690V
L
1
L
3
L
2
U
L1
U
L2
U
L3
U
LL
=690V
U
LE
=400V
L
1
L
2
L
3
U
L
1
3
U
L
1
2
U
L23
690V
L
1
L
3
L
2
U
L1
U
L2
U
L3
U
LL
=690V
U
LE
=400V

SEMIKRON SKiiP 4 Specifications

General

Brand	SEMIKRON
Model	SKiiP 4
Category	Control Unit
Language	English