220kv lead sheath cable

Understanding 220kv Lead Sheath Cable

The 220kv lead sheath cable is a specialized electrical component designed for high-voltage power transmission. This category of cable is engineered to handle the demands of substantial electrical loads over long distances, making it a crucial element in power distribution networks.

Construction and Materials

A 220kv lead sheath cable typically comprises a conductor, insulation, a lead sheath, and an outer protective layer. The conductor is often made of copper or aluminum, chosen for their conductive properties. Surrounding the conductor, electrical insulation is essential, and materials such as cross-linked polyethylene (XLPE) are commonly used for their thermal and dielectric strength. The lead sheath is the key feature, providing a barrier against moisture and chemical corrosion, while the outer layer is usually a robust material like PVC or HDPE to protect against physical damage.

Types and Applications

There are various types of 220kv lead sheath cables tailored to different applications. These cables are integral in power grids, substations, and industrial plants where high voltage and reliability are paramount. Their robust construction makes them suitable for underground, aerial, and submarine installations, ensuring consistent power supply in diverse environments.

Features and Advantages

The 220kv lead sheath cable is distinguished by its high voltage rating and the lead sheath's protective qualities. The lead sheath not only guards against moisture but also serves as an excellent barrier against radial stresses and electromagnetic fields. This enhances the cable's reliability and longevity, reducing maintenance needs and downtime in critical infrastructure.

Selection Criteria

When sourcing 220kv lead sheath cables, buyers should consider conductor material, insulation type, and the specific requirements of their application, such as thermal resistance and flexibility. It's also important to evaluate the cable's diameter and weight to ensure compatibility with existing systems and installation processes.

Procurement on Alibaba.com

Alibaba.com facilitates the procurement of 220kv lead sheath cables by offering a platform where buyers can connect with suppliers to find products that meet their specifications. The platform's extensive listings allow for a thorough comparison of different options, ensuring an informed selection without the influence of brand bias.