| 摘要 |
A capacitance-type cable terminal without a filled insulation medium, which falls within the field of high-voltage electrical appliances, and mainly solves the technical difficulty of an insulation sleeve of a cable terminal being not filled with an insulation medium. The capacitance-type cable terminal comprises: a high-voltage equipotential cabin (8) which is embedded into an inner surface of a capacitance-type insulation sleeve (5) and formed by a high-voltage equipotential screen (6) extending from an upper flange (3) to the top surface of a stress jacket (2) and a cable conducting core (7), wherein the electric field intensity in the cabin is zero, without the need to fill an insulation medium. A group of capacitance screens (9) which are insulated to one another is also embedded into an insulation layer of the capacitance-type insulation sleeve (5), and a grounding screen (10) on the outermost layer is connected to a lower flange (4). The cable terminal is not filled with the insulation medium, thereby solving the difficulties of oil leakage and gas leakage, and achieving energy saving, environmental protection, security and reliability. Since a group of capacitance screens is arranged in an insulation sleeve, the insulation level and service life of the cable terminal is increased and prolonged. |
