Page 42 - 通用电气（中国）有限公司

EntelliGuard* L

Time Current Curves (cold state)

I & GF Protection Device

EntelliGuard GT Electronic Trip Unit

1 - Time Current Curve
se

LT set at Breaker Rating In In I - Protection Device
L
T

eaker
n
Rati
r
t
g
at B

g
n

a
R
I I Setting Range e
S
e
i
tt
n
g
of
1

.5
0
to
x I
in
e

teps
s
5
2 2 to 15 x Ie in steps of 0.5 HSIOC device
Electronic Trip Units 0.1 Gre d e Li n n li e n e = = N F o u n ll T C r le i p ar i n n g g ti ti m m e e HSIOC device set
at 50 or 65kA
Green line = Full Clearing time
R
e
Red Line = Non Tripping time
pi
0.01
Tripping Time in Seconds (S)
Intro
A
0.001
1.00 10.00 100.00
B x Breaker Rating (In)
C EntelliGuard GT Electronic Trip Unit EntelliGuard GT Electronic Trip Unit
10 - Time Current Curve 10 - Time Current Curve
GF- Protection Device GF- Protection Device
2
2
I t -OFF- I t -OFF-
D - Band GFDB 01 - Band GFDB 02
- Band GFDB 03
- Band GFDB 04
- Band GFDB 05 - Band GFDB 06
- Band GFDB 07 - Band GFDB 08
LT set at Breaker Rating In - Band GFDB 09 LT set at Breaker Rating In - Band GFDB 10
Setting Range - Band GFDB 11 Setting Range - Band GFDB 12
E 0,2 to 1 x In in steps of 0,01 - Band GFDB 13 0,2 to 1 x In in steps of 0,01 - Band GFDB 14
1 1 14 14
13 0,8
13
0,8
X 0,6 11 11 0,6 12 12
10
9 10
0,4 0,4
9 8
7
8 6
7 5
6
0,2 5 0,2 4
3
4
3 1 2
0,1 0,1
Green line = Full Clearing time
Red Line = Non Tripping time
2
Tripping Time In Seconds (s) Green line = Full Clearing time Tripping Time In Seconds (s)
1
Red Line = Non Tripping time
0,01
1 , 0 0 0 , 1 0 1 0 , 0 0 0,01 1 , 0 0 0 , 1 0 1 0 , 0 0
x Breaker Rating In x Breaker Rating In
] ]
B.12