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Composite Pedestal Arrester

Composite Pedestal Arrester

Surge Arrester is also called an overvoltage protector and overvoltage limiter. It is connected in parallel to the front end of the protected equipment. Which can protect other electrical equipment from lightning overvoltage, operating overvoltage, and power frequency transient overvoltage impact.

Usage scenarios

Transmission Line System

Technical features

High Voltage Line With Gap Arrester is mainly composed of insulating housing (composite or ceramic material), resistors, and end accessories.

Product advantages

  1. The resistors are manufactured with high-quality raw materials and strict processes. The comprehensive performance of the resistors has reached China’s advanced level. Especially the current capacity, high current impact and residual voltage ratio performance have reached China’s leading level.
  2. The use of durriton encapsulating materials or epoxy composite casing fundamentally solves the problem of product failure caused by moisture intrusion. Even in a high-temperature environment with a humidity of more than 90%, there will not be any failures.
  3. The silicone rubber material is highly hydrophobic. It can prevent rainwater from forming continuous channels and prevent any pollutants from accumulating during use. Make the product corrosion-resistant and cut off the leakage current path. Moreover, the flame retardant and self-extinguishing properties of the material can realize the product’s cleaning-free function.

Technical details

System voltage 110kV 220kV
Type YH10WZ-100/260 YH10WZ-102/266 YH10WZ-108/281 YH10WZ-204/532 YH10WZ-216/562
Electric parameters Rated voltage UR(kV) 100 102 108 204 216
Continuous operating voltage Uc(kV) 80 81.6 86.4 163.2 172.8
1mA DC reference voltage U1mA(kV) 153 155 164 310 328
Nominal discharge current(kA) 10 10 10 10 10
Steep current impulse residual voltage(kV) 291 297 314 594 628
Lightning impulse residual voltage(kV) 260 266 281 532 562
Switching impulse residual voltage(kV) 221 225 239 451 477
Square wave impulse withstand Current(A) 600/800 600/800 600/800 600/800 600/800
High Current impulse withstand Current(kA) 100 100 100 100 100
Pollution class â…£ â…£ â…£ â…£ â…£
Structural parameters Overall height H(mm) 1305 1305 1305 2523 2523
Cree-page distance(mm) 4035 4035 4035 8070 8070
Shed diameter Φ(mm) 214 214 214 214 214

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