describe:
JDJJ-10 Current transformer is oil-immersed ,Outdoor type .
It can be used for the electric current measurement
energy measurement and replay protection in the electric
power system with a voltage of rated voltage 110kV
and for requency of 50/60Hz
The products are in accordance with the requirements of the standard :
GB1208”Current Transformer’ and IEC60044-1’Current Transformer ‘
It is divided into conventional type and cast aluminum type according to
the materialof oil tank . The customers can choose as their requirement
Ambient temperature :Max.temperature :+40℃;
Min.temperature :-25℃(- 45℃)
Daily are average temperature : no more than : 30℃
Altitude : no more than 2000m (unless otherwise specified)
Max.wind velocity : no more than 34m/s
10kv current transformer LJW-10, LJWD-10 basic parameters: | |||||||
Rated primary current(A) |
Accuracy classes combination |
Accuracy class and rated output COSØ=0.8 | 1s thermal current(KA) |
Rated dynamic current(KA) |
|||
0.2S | 0.2 | 0.5 | 10p10 | ||||
50 | 0.2s/10p10 0.2/10p10 0.5/10p10 0.2s/0.5/10p10 0.2s/0.5/10p10/10p 0.2/0.5/10p10 0.2/0.5/10p10/10p |
10 | 10 | 15 | 15 | 8/2 | 20 |
75 | 12/2 | 30 | |||||
100 | 16/2 | 40 | |||||
150 | 20/2 | 50 | |||||
200 | 20/2 | 50 | |||||
300 | 20/4 | 50 | |||||
400 | 20/4 | 50 | |||||
500 | 20/4 | 50 | |||||
600 | 20/4 | 80 | |||||
750 | 15 | 20 | 20 | 20 | 31.5/4 | 80 | |
800 | 31.5/4 | 80 | |||||
1000 | 40/4 | 100 |