Metal oxidation arresters are high-tech products in the 1990s internationally. It uses an oxygen zinc resistor with excellent non-linear volt-ampere characteristics. Therefore, the protection characteristics of the lightning arrester's streak, lightning wave, and operating wave are greatly improved compared to the traditional silicon carbide lightning arrester. In particular, zinc oxide resistors have good slope response characteristics, no delay to steep slope voltages, low operating residual voltage, and no discharge dispersion. In order to overcome the shortcomings of high discharge voltage caused by the delay of the discharge of the steep slope inherent to the SiC arrester, the high dispersion of the operating wave discharge results in the high discharge voltage of the operating wave, which greatly improves the protection margin under steep slopes and operating waves. In addition, in terms of insulation coordination, the protection margins of steep slopes, lightning waves, and operating waves can be made close to each other, thereby providing the best protection for power equipment and improving the reliability of protection. The zinc oxide lightning arrester has the ability to absorb lightning overvoltage, operating overvoltage and power frequency transient overvoltage at the same time.
The composite jacket metal zinc oxide arrester is a high-tech product of the international 90s. It adopts integral silicone rubber molding, which has good sealing performance, excellent explosion-proof performance, pollution-resistant and no-clean, and can reduce the occurrence of wet flashes in foggy days, resists electrical corrosion and aging, is small in size, light in weight, and resistant to collision, and is easy to install and maintain. It is a new generation of porcelain arrester.
The standards for the production of products are GB11032-2000 (eqv IEC60099-4: 1991) "AC gapless metal oxide arresters" and JB / T8952-2005 "Compound jacket gapless metal oxide arresters for AC systems".
1. Ambient temperature is -40 ℃ ~ + 40 ℃;
2. The altitude does not exceed 2000m;
3. Power frequency is 48Hz ~ 62Hz;
4. The maximum wind speed does not exceed 35m / s;
5. Seismic fissures of 7 degrees and below.
The long-term applied voltage does not exceed its maximum continuous operating voltage.
1. Small size, light weight, collision resistance, no collision loss during transportation, flexible installation, especially suitable for use in switch cabinets;
2. Special structure, integral molding, no air gap, good sealing performance, moisture-proof and explosion-proof;
3.Large creepage distance, good water-increasing ability, strong pollution resistance, stable performance, reduce operation and maintenance;
4. Unique formula of zinc oxide resistor chip, high capacity, low leakage;
5. The actual DC reference voltage, square wave current capacity and high current withstand capability are higher than national standards.
Y1.5W-0.28 ~ 0.66KV
Lightning arrester use place
Lightning arrester model
（有效值） Arrester rated voltage kV (effective value)
（有效值） System nominal voltage kV (effective value)
（有效值） Continuous operating voltage kV (effective value)
）参考电压kV不小于 DC ( U1mA ) reference voltage kV is not less than
（峰值） Residual voltage kV (peak) under lightning impulse current
μ s方波电流A （峰值） 2000 μ s square wave current A (peak)
μ s冲击电流kA （峰值） 4/10 μ s inrush current kA (peak)
直流参考电压下最大泄漏电流μ A Maximum leakage current at 0.75 DC reference voltage μ A
Y1.5W-0.28 / 1.3
Y1.5W-0.5 / 2.6
Y1.5W-0.8 / 3.9