Electrical parameters | |
Maximum operating voltage (kV) | 126 |
Impact withstand voltage (kV) | 550 |
Creep distance (mm) | 4500 |
Creepage distance ratio (mm/kV) | >31 |
Mechanical parameters | |
Maximum cable cross-sectional area (mm²) | 1600 |
Maximum insulation outer diameter (mm) | 91 |
Approximate total weight (kg) | 130 |
Main dimensions | |
φA (mm) | 250 |
φB (mm) | 318 |
H (mm) | 1895 |
h1 (mm) | 1700 |
h2 (mm) | 87 |
The table above is just one of our product parameters. If you want more information, please get in touch with info@wishpower.net or download the file below.
The Porcelain Cable Bushing Outdoor Termination is an especially strong component intended for protecting and terminating high-voltage cables in outdoor environments. This bushing is engineered for its ability to withstand extreme weather conditions and is characterized by a top-quality, high-quality porcelain body that assures superior electrical insulation as well as mechanical strength. Porcelain is a very good insulator and therefore only limits breaks in high voltages and thus protects high voltage systems from instability and safety. With a series of carefully shaped sheds or skirts on its outside surface, the design augments its performance by increasing the creepage distance. The increased distance allows for flashovers to be obviated and prevents flashover contamination buildup, which is necessary to properly maintain an insulator in high humidity or polluted environments. Also, the bushing’s structure makes it possible to provide a secure connection between overhead lines or electrical equipment, such as transformers or switchgear, irrespective of the voltage level due to the virtual absence of electrical loss.
It designs a combination of large and small sheds to increase the creepage distance more effectively. This structured shed pattern offers additional surface discharge protection to better insulation in environments with high humidity, pollution, or corrosive chemicals.
The material is engineered so that it has a very low electrostatic attraction that will keep dust and airborne particles from accumulating. The bushing is easy to clean with this feature and also helps keep the high insulation performance during use.
This Cable Bushing is made from high-strength porcelain and provides exceptional mechanical reliability strong enough to withstand impacts and vibrations. This quality makes the bushing more durable than one without since the bushing can withstand intense mechanical stresses with it being in windy or seismic-prone areas.
The bushing is equipped with a Spherical pressure equalizing cover for radio-free operations throughout areas where sensitive equipment might be disturbed by radio. Another great feature of the spherical design is that it offers improved sealing, not only will this protect the bushing from intrusion of moisture and dust, but it will also prolong the life of the bushing.
The terminal connector is made of high conductivity T2 copper to assure efficient and secure electrical connection, providing minimum resistance and power loss at the point at which the cable is terminated.
The Grading ring is cast from aluminum to distribute a uniform electric field throughout the insulator reducing the potential stress on itself. The feature inherent to this design, which minimizes radio interference, improves system stability in high-voltage applications.
The main body of the Porcelain Cable Bushing Outdoor Termination consists of a high-strength porcelain insulator. It is an exceptional insulation with very good mechanical stability and can survive high voltages and the harshest environmental conditions.
The stress cone is formed with high-temperature vulcanized liquid silicone rubber, for the stress cone in effect distributes the electrical stress even within the bushing. The result is the avoidance of stress points where the insulation system can become stressed, and the insulation system has a longer life.
The silicone oil that fills the bushing insulates it and also reduces arcing while increasing thermal performance. This oil filling also helps reduce heat and thus maintain stable operation.
The supporting insulator is made from high-strength porcelain, which adds robustness to the design and mechanical support to the bushing, securing it in place inside the electrical system structure.
The sealed solid bushing tube is made from durable alloy and contributes to this environmental resistance. This component protects sources from moisture and dust and does not make the insulation corrupt.
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