High-voltage power cable

Copper core and aluminum core cross-linked polyethylene insulated power cable with rated voltage 35kV and below IEC60502-2005

Purpose description

Cross-linked polyethylene insulated cables use chemical or physical methods to transform the linear molecular structure of cable insulation polyethylene into a main network molecular structure. This means that thermoplastic polyethylene is converted into thermosetting cross-linked polyethylene, significantly enhancing its heat resistance and mechanical properties while reducing shrinkage. As a result, it does not melt when heated and maintains excellent electrical performance.

Operative norm

Copper core and aluminum core cross-linked polyethylene insulated power cable with rated voltage 35kV and below IEC60502-2005

Scope of application

★ System: This product is suitable for fixed installation in distribution network or industrial equipment with AC 50HZ and rated voltage of 3~35KV.

★ Site: used for underground power grid in urban building communities, lines leading out of substations (stations) for power generation and distribution. For example, it can be used for internal distribution in industrial and mining enterprises.

Operational performance

★ Rated Voltage: The rated voltage ranges from 3 to 35KV. ★ Operating Temperature: The maximum allowable operating temperature for the cable conductor is 90℃. During a short circuit, the highest temperature of the cable conductor can reach 250℃, with a duration not exceeding 5s. ★ Ambient Temperature: The minimum ambient temperature for cable operation is-10℃. ★ Installation Temperature: When installing and laying the cable, the temperature should be no less than 0℃. ★ Bend Radius: For single-core cables without armor, the recommended minimum bend radius is 20D. For single-core cables with armor, the recommended minimum bend radius is 15D. For three-core cables with armor, the recommended minimum bend radius is 12D.