Performance characteristics:
1、 core material: imported high magnetic grain-oriented cold rolled silicon steel sheet, 45 degree tilting joint, idle current, low no-load losses.
2、 coil material: high tensile strength of wire selection paper envelope or packaging of copper wires, layer-cake around the system, have a strong ability to withstand short circuit.
3, insulation: insulation, insulation levels shown in the table below:
|
Voltage level（KV）） |
0.5 |
3 |
6 |
10 |
15 |
20 |
35 |
110 |
|
Maximum voltage |
/ |
3.5 |
6.9 |
11.5 |
17.5 |
23 |
40.5 |
121 |
|
Power frequency voltage |
5 |
18 |
25 |
35 |
45 |
55 |
85 |
200 |
|
Impulse voltage |
/ |
40 |
60 |
75 |
105 |
125 |
200 |
480 |
4, voltage mode: no excitation voltage or load voltage
5, cooling: oil-immersed natural cooling, oil cooling
Application: adapted in a variety of natural conditions, power distribution and lighting power supply operation.
