| Type: | Power Source Arrester |
|---|---|
| Structure: | Multi-Chamber Arc Blowing Type |
| Installation: | Pole Mounted |
Specification
1.Highest voltage for equipment can be up to 40.5 kV.
2.Maximum prospective fault current 5.0 kA
3.Lightning discharge capability 2.8 C
4.Installation 1, 2 or 3 pcs per pole
5.Protects from Direct Lightning Strike (DLS)
6.Protects from Back Flashover (BFO)
7.No maintenance is required
Usage and Expected Lifespan
1.This device is designed to protect power supply networks from the consequences of either direct lightning strikes or induced overvoltages. Indented to be installed along the protected line, it works perfectly on distribution lines with the highest voltage of equipment up to 40.5 kV.
2.The expected lifespan is up to decades.
Operational Principle
MLPD35-D can easily be adapted to any cross-arm or pole configuration. This is possible due to different attaching solutions and accessories available.
Parameters
|
Description |
Unit |
Value |
|
Electrical line parameters |
||
|
Highest voltage for equipment 1) |
kV |
40.5 |
|
Maximum prospective fault current |
kA |
5 |
|
External air gap |
mm |
110-180 |
|
50% flashover voltage |
kV |
230 |
|
Power frequency withstand voltage 2) |
kV (wet/dry) |
65/80 |
|
Lightning parameters |
||
|
Lightning discharge capability (200 μs) 3) |
C |
2.8 |
|
High current impulse (4/10 μs) |
kA |
65 |
|
Maximum quenching lightning current |
kA |
20 (8/50µs) |
|
Minimum withstand amount of operations |
10 |
|
|
General Parameters |
||
|
Additional power losses on the line |
% |
0 |
|
Average expected lifespan |
years |
30 |
|
UV resistance 4 |
h |
1000 |
|
Weight |
kg |
5.6 |
|
Maintenance |
1 visual verification per year |
1)According to IEC 60038, 2)According to IEC 60071-1, 3)According to IEC 60099-8, 4)According to ISO 4892-2, method A, IEC 62217
Size
Installation
Pin/post/pin-post
Suspension insulation
Tension insulation
Horizontal post insulation
