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LCWD、LCWD1、LCWQ、LCWQD-35 Type current transformer
LCWD、LCWD1、LCWQ、LCWQD-35 Type current transformer

Table 1 accurate limit coefficient of 10P level, maximum secondary current multiple and secondary winding impedance of cw-35, lcwd-35, lcwq-35 and lcwqd-35 ct.

Model and grade combination

Rated primary
Current (A)


Accurate grades

Rated secondary load
(Ω)


10 p level accurately
Limit coefficient


Second largest
Current ratio


Secondary winding group reactance
(Ω)


LCW-35
15~1000

0.2S
0.2
0.5
10P

1
2
2
28
5
35
12
0.7
0.5
1.0
1.2
1.2

15
15

25
28
0.5
0.8

LCWD-35
LCWQD-35

15~750、1000
1.0
1.2
1.2
15
30
25
35
0.5
0.56

LCW-35

15~600
0.8
35
45
0.56

LCWD-35
LCWQD-35

750
0.8
35
50
0.67
1000
0.8
50
55
0.94

Table 2 short circuit station current lcw-35, lcwd-35, lcwq-35 current trandformer.
model
Rated primary current ratio (A)
1s short-time thermal current multiple (kA)
Rated dynamic stable current multiple
LCW-35
15~1000
90lin
150lin
LCWD-35
15~750
65lin
100lin
LCWD-35
1000
65lin
150lin

LCWD-35
LCWQD-35

15~600
65lin
100lin

Rated primary current ratio (A)
M(mm)
a(mm)
15~1000
M22 ×1.5
40
600
M27 ×1.5
50
800~1000
M30 ×1.5
80
1200~1500
Wire line
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