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Multi-chamber Arc Blowing Type 35KV Line Protection Device
  • Multi-chamber Arc Blowing Type 35KV Line Protection DeviceMulti-chamber Arc Blowing Type 35KV Line Protection Device

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






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