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Multi-chamber Arc Blowing Type 24KV Line Protection Device
  • Multi-chamber Arc Blowing Type 24KV Line Protection DeviceMulti-chamber Arc Blowing Type 24KV Line Protection Device

Multi-chamber Arc Blowing Type 24KV Line Protection Device

Model:MLPD24-C
The Multi-chamber Arc Blowing Type 24KV Line Protection Devicein 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:MLPD24-C

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Product Description

Multi-chamber Arc Blowing Type 24KV 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 24 kV.
2.Protects from Induced Overvoltage
3.No maintenance is required
4.Protection against: IOV
5.Only 1 product per pole is required
6.Products are installed with phase alternation (А -> B -> C)
7.Definitely great use and the highest possible reliability
8.Line Protection Device has been designed to ensure the most effective protection from indirect strokes. This device is able to perform as highly effective lightning protection system, providing secure power network operation in 80% of such issues.
9.In order to protect sensitive equipment, such as pole-mounted transformers (PMT), conventional metal oxide surge arresters still must be used


Operational Principle

1.Ensuring a high ability to discharge excessive energy of an overvoltage in the surrounding atmosphere
2.The induced overvoltage will create an electrical power arc between the terminal electrode of a MLPD and the conductor clamp on a line. First, the arc will be divided into a series of small arcs by a series of discharge chambers, and then quickly extinguished when the oscillating current of the grid exceeds zero.


Product Parameter (Specification)

 Description Unit Value.
 Electrical line parameters

 Highest voltage for equipment ⑴
kV 24
 Maximum prospective fault current kA 1,5
 External air gap mm 60±10
 50% flashover voltage KV 140
 Power frequency withstand voltage ⑵ kV (wet/dry) 30/40
 Lightning parameters

 Lightning discharge capability  (200 μs) ⑶
C 1.0
 High current impulse (4/10 μs) KA 65
 Maximum quenching lightning current, kA 10
 Minimum withstand amount of operations

 General Parameters

 Additional power losses on the line % 0
 Average expected lifespan
years 30
 UV resistance ⑷
h 1000
 Weight kg
0.43
 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












Tension insulation






Horizontal post insulation





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