Product Introduction:
The Glass Insulator is an innovative electrical insulation element widely utilized in power transmission and distribution lines. This insulator evolves from traditional ceramic insulators by enhancing the manufacturing process and incorporating materials such as glass fiber reinforced plastic and silicate porcelain, resulting in a new generation of insulators with superior insulation and anti-fouling capabilities.
Product Details:
Key Features:
Structural Components:
Performance Highlights:
Environmental and Operational Suitability:
| IEC CLASS | Normal Type | Anti-pollution Type | |||||
|---|---|---|---|---|---|---|---|
| U70BL | U100BL | U120B | U70BLP | U100BLP | U120BP | ||
| Type | XP-70 | XP-100 | XP-120 | XHP-70 | XHP-100 | XHP-120 | |
| Nominal Diameter (mm) | 255 | 255 | 255 | 255 | 255 | 255/280 | |
| Spacing, H(mm) | 146 | 146 | 146 | 146 | 146 | 146 | |
| Coupling Size | 16 | 16 | 16 | 16 | 16 | 16B | |
| Nominal Creepage Distance,mm | 295/320 | 295/320 | 295/320 | 432/450 | 432/450 | 432/450 | |
| Mechanical Failing Load, kN | 70 | 100 | 120 | 70 | 100 | 120 | |
| Power Frequency Withstand Voltage | Dry.kV | 70 | 70 | 70 | 80 | 80 | 80 |
| Wet, kV | 40 | 40 | 40 | 42 | 42 | 42 | |
| Dry Lightning Impulse Withstand Voltage,kV | 100 | 100 | 100 | 120 | 120 | 120 | |
| Power Frequency Puncture Voltage,kV | 130 | 130 | 130 | 130 | 130 | 130 | |
| Net Weight (kgs) | 4.6 | 5.7 | 6 | 6.1/6.3 | 7.7/7.9 | 8/8.2 | |
Glass disc suspension insulators are widely used in various electrical power systems. They are designed to support the weight of conductors and provide insulation between the conductors and the supporting structures, such as towers or poles.
Glass insulators are a common insulating material in power systems, mainly used in transmission lines and transformer equipment to ensure the safe operation of electrical equipment.
1.The internal stress balance is disrupted: This may be due to the nickel sulfide (NiS) introduced during the manufacturing process causing stress imbalances during the phase transition.
2.The glass contains impurities and nodules: If these impurities and nodules are distributed in the inner tension layer, it may self-explode in a relatively short time (30 to 60 days).
3.Factors in operation: including serious surface area contamination, partial discharge caused by moisture or heat caused by single piece creepage, resulting in insulation decline.
4.External causes: such as pollution and temperature difference changes, may lead to excessive leakage current on the surface of the insulator, resulting in part of the dry belt, when the dry belt location of the air breakdown, the arc may eat the glass umbrella skirt, resulting in self-explosion
The temperature resistance of glass insulator is one of the important indexes to measure its quality. Generally speaking, the high temperature resistance of glass insulators is more prominent, and the low temperature resistance is relatively weak.
Under normal conditions of use, the high temperature resistance of glass insulators is generally above 200 ° C, and the low temperature resistance is usually about -40 ° C. In particular, it should be pointed out that when the glass insulator is used for a long time under high temperature conditions, its quality may be affected to a certain extent, and it needs to be replaced in time.
