11KV-36KV Silicone Polymer Suspension Insulator for Electrical Power Line
Description:
Composite insulators are available for applications up to system voltages of 110 kV. The core of a composite insulator is a
pultruded fiber glass rod which provides a high mechanical strength. In a direct injection molding process a non-tracking, erosion and UV resistant polymeric housing is molded directly onto the fiberglass rod. A corrosion resistant metal end fitting is crimped onto each end of the rod to provide a high mecha nical strength. A new developed crimping control technology monitors the assembly process of the metal fittings and ensures that crimping forces cause no damage to the fiberglass rod while achieving a crimp that will withstand the highest possible mechanical loads. Sealed with a tracking and erosion resistant polyurethane barrier, the core is protected from deterioration due to moisture ingress. Composite insulators are available as tension (suspension), line post and station post insulators. For railway applications, tension and strut composite insulators are available in a large variety of configurations.
Components and Materials
Polymer Weather sheds: the polymer weather shed material is a proprietary silicone-rubber compound for high-voltage insulator applications. The sheds are manufactured using high-pressure injection moulding techniques to create a smooth surface reducing the amount of pollution trap. Fiberglass Core Rod: Insulators Core Rod is manufactured with electrical grade corrosion resistant epoxy rod. The materials used are of the highest quality and are routinely tested to ensure the maximum performance characteristics. The suspension insulator's fiberglass core rod is produced with boron-free, corrosion-resistant E-glass and epoxy resin. Line post insulators are manufactured with electrical grade glass and epoxy resin. Silicon rubber shed housing is mainly used to protect the core rod against rain or snow, providing necessary creepage distance and outer insulation, it adopts high polymer silicon rubber as the basic material, assisted by fire retardant, coupling agent and other packing materials, through high temperature and high pressure vulcanization, it has favorable hydrophobic nature and migratory aptitude, as well as fine performances of corrosion resistance, anti aging, electric insulation, etc, besides, it also has rather high pollution flashover voltage.
Mechanical Ratings
Insulators are rated at a specified mechanical load of 70kN and are routinely tested. End fittings which are rated lower are marked
in specification.
Specifications:
| Type | Rated Voltage (KV) | Rated Mechanical Load (KN) | Structure Hight (mm) | Insulation Distance (mm) | Min Nominal Creepage Distance (mm) | Diameter of shed (mm) | 1 Min Power Frequency Wet Withstand Voltage (KV) | Full Wave Lightning Impulse Withstand Voltage (KV) | Unbrella Number |
| FXB-12/70CT | 12 | 70 | 370±15 | 210 | 480 | Φ 99 | 42 | 95 | 4 |
| FXB-2470CT | 24 | 70 | 465±15 | 304 | 700 | Φ 99 | 60 | 145 | 6 |
| FXB-36/70CT | 36
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