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High Voltage Line With Gap Arrester

High Voltage Line With Gap Arrester

Surge Arrester is also called over-voltage protector and over-voltage limiter. It is connected in parallel to the front end of the protected equipment to protect other electrical equipment. In case they are damaged from lightning over-voltage, operating over-voltage, and power frequency transient over-voltage impact.

Usage scenarios

Transmission line system

Technical features

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

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 duration 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. 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 330kV 500kV
Type YH10CX-102/296 YH10CX-108/320 YH10CX-192/560 YH10CX-204/592 YH10CX-288/775 YH20CX-396/1050
Electric parameters Rated voltage UR(kV) 102 108 192 204 288 396
1mA DC reference voltage U1mA(kV 148 160 280 296 408 561
Nominal discharge current(kA) 10 10 10 10 10 20
Steep current impulse residual voltage(kV) 331 358 628 662 817 1171
Lightning impulse residual voltage(kV) 296 320 560 592 775 1050
Square wave impulse withstand Current(A) 500/600 500/600 600/800 600/800 800/1200 1200/1800
High Current impulse withstand Current(kA) 100 100 100 100 100 100
Power frequency discharge voltage(kV) 185 185 370 370 510 567
Impulse discharge voltage(kV) 525 525 900 900 1300 1760
Structural parameters Overall height H(mm) 1256 1256 3783 3783 4757 6971
Cree-page distance(mm) 3946 3946 8018 8018 11526 17289
Shed diameter Φ(mm) 195 195 195 195 252 252

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