Multi-chamber Arc Blowing Type 35KV Line Protection Device
Model:MLPD35-D
The Multi-chamber Arc Blowing Type 35KV Line Protection Device in the overhead line is characterized in that no special grounding is required, the power frequency freewheeling current can be cut off, the failure rate is low, and the service life is long. The application of the multi-cavity arc blowing lightning protection device plays a key role in the safe and stable operation of the wind farm, and is of great significance to the line operation and maintenance in the wind power aftermarket.
Model:MLPD35-D
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Product Description
Multi-chamber Arc Blowing Type 35KV Line Protection Device
The multi-cavity arc blowing lightning protection device in the overhead line is characterized in that no special grounding is required, the power frequency freewheeling current can be cut off, the failure rate is low, and the service life is long. The application of the multi-cavity arc blowing lightning protection device plays a key role in the safe and stable operation of the wind farm, and is of great significance to the line operation and maintenance in the wind power aftermarket.
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
This device is designed to protect power supply networks from the consequences of either direct lightning strikes or induced over voltages. 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.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.
Product Parameter (Specification)
| Description | Unit | Value. |
| Electrical line parameters |
|
|
|
Highest voltage for equipment ⑴ |
kV | 40.5 |
| Maximum prospective fault current | kA | 5 |
| External air gap | mm | 110-180 |
| 50% flashover voltage | KV | 230 |
| Power frequency withstand voltage ⑵ | kV (wet/dry) | 65/80 |
| Lightning parameters |
|
|
|
Lightning discharge capability (200 μs) ⑶ |
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 ⑷ |
h |
1000 |
| Weight |
kg |
5.6 |
| Maintenance |
|
1 visual verification per year |
⑴ According to IEC 60038, ⑵ According to IEC 60071-1, ⑶ According to IEC 60099-8, ⑷ According to ISO 4892-2, method A, IEC 62217
Size
Installation
Pin/post/pin-post
Suspension insulation
Tension insulation
Horizontal post insulation
