Page 33 - Yueqing Dingqiao Electric Co., Ltd. (English)
P. 33
Tripping and Limitation Curves
TCVS 100-630-Distribution Protection
TM magnetic trip units
TM16D TM25D
10 000 10 000
5 000 5 000
2 000 2 000
1 000 1 000
500 500
200 200
100 100
50 50
20 20
10 10
5 5
t(s) t(s)
2 2
1 TM16D : Im = 12 x In 1 TM25D : Im = 12 x In
.5 .5
.2 .2
.1 .1
.05 .05
.02 .02
.01 t < 10 ms .01 t < 10 ms
.005 .005
.002 .002
.001 .001
.5 .7 1 2 34 57 10 20 30 50 70 100 200 300 .5 .7 1 2 34 57 10 20 30 50 70 100 200 300
I / Ir I / Ir
TM32D TM40D
10 000 10 000
5 000 5 000
DB
2 000 2 000
1 000 1 000
500 500
200 200
100 100
50 50
20 20
10 10
5 5
t(s) t(s)
2 2 TM40D : Im = 12.5 x In
1 1
.5 .5
.2 TM32D : Im = 12.5 x In .2
.1 .1
.05 .05
.02 .02
.01 t < 10 ms .01 t < 10 ms
.005 .005
.002 .002
.001 .001
.5 .7 1 2 34 57 10 20 30 50 70 100 200 300 .5 .7 1 2 34 57 10 20 30 50 70 100 200 300
I / Ir I / Ir
29
