Product Introduction:
The Porcelain Surge Arrester is a high-performance device designed to protect electrical systems from overvoltage transients caused by lightning strikes or switching operations. Housed within a robust porcelain casing, these arresters provide superior insulation and arc resistance, ensuring the reliable protection of critical electrical infrastructure.
Product Details:
Structural Features:
Installation Process:
Applicable Environmental Conditions:
Main technical Parameters:
| Model Type | Rated Voltage/kV | MCOV/kV | Steep Current Impulse | Switching Current Impulse | Lightning Current Impulse | 2000s Square Wave Impulse Current Withstand | 4/10 S High Current Impulse/kV |
|---|---|---|---|---|---|---|---|
| Y10C-3 | 3 | 2.55 | 9.5 | 7.7 | 9 | 1 | 100 |
| Y10C-6 | 6 | 5.1 | 19.5 | 15.4 | 18 | 1 | 100 |
| Y10C-9 | 9 | 7.65 | 28.5 | 23.1 | 27 | 1 | 100 |
| Y10C-12 | 12 | 10.2 | 38 | 30.8 | 36 | 1 | 100 |
| Y10C-15 | 15 | 12.7 | 47.5 | 38.5 | 45 | 1 | 100 |
| Y10C-18 | 18 | 15.3 | 57 | 46.2 | 54 | 1 | 100 |
| Y10C-21 | 21 | 17 | 66.5 | 53.9 | 63 | 1 | 100 |
| Y10C-24 | 24 | 19.2 | 76 | 61.6 | 72 | 1 | 100 |
| Y10C-27 | 27 | 21.9 | 85.5 | 69.3 | 81 | 1 | 100 |
| Y10C-30 | 30 | 24.4 | 95 | 76.5 | 90 | 1 | 100 |
| Y10C-33 | 33 | 26.8 | 104.5 | 84.7 | 99 | 1 | 100 |
| Y10C-36 | 36 | 29 | 114 | 92.4 | 108 | 1 | 100 |
| Y10C-42 | 42 | 34.1 | 132.3 | 100.1 | 126 | 1 | 100 |
Surge arresters are used in a variety of applications to protect power distribution networks and equipment from overvoltage transients. Some common applications of surge arresters include:
A porcelain surge arrester is a device designed to protect electrical equipment from over-voltage transients caused by lightning strikes or switching operations. It features a porcelain housing that encases the internal components, typically metal-oxide varistors (MOVs).
A porcelain surge arrester functions by providing a low-impedance path to the ground for high-voltage surges, thereby protecting the electrical equipment. When a surge occurs, the metal-oxide varistors (MOVs) inside the arrester rapidly reduce their resistance, allowing the surge energy to be safely diverted to the ground.
Porcelain surge arresters offer several advantages, including:
Porcelain surge arresters are commonly used in:
Maintenance requirements for porcelain surge arresters include regular visual inspections to check for physical damage, contamination, or signs of electrical discharge. Cleaning of the porcelain surface may be necessary in areas with high pollution. Periodic testing of the electrical performance is also recommended.
Porcelain surge arresters are known for their mechanical strength and durability, making them suitable for harsh environments. However, they are heavier and more prone to shattering compared to polymeric surge arresters. Polymeric surge arresters are lighter, more resistant to environmental degradation, and safer in terms of shatter resistance.
When selecting a porcelain surge arrester, consider the following factors:
Yes, porcelain surge arresters are designed for outdoor use and can withstand various environmental conditions, including high humidity, extreme temperatures, and heavy pollution. They are commonly installed on towers, poles, and within substations.
The lifespan of a porcelain surge arrester can vary depending on the number and severity of surges it experiences, as well as environmental factors. Typically, they can last 20 to 30 years or more with proper maintenance and application.
The performance of a porcelain surge arrester can be tested using methods such as:
Yes, many components of porcelain surge arresters, such as the metal-oxide varistors and metal fittings, can be recycled. The porcelain material itself can also be processed and reused in some applications. Proper recycling and disposal practices should be followed to minimize environmental impact.
