A method and system for detecting a typical object of a transmission line based on UAV federated learning. The method includes: determining a detection model for a typical object of a transmission line by YOLOv3 object detection algorithm according to a prior database for the typical object; dividing a UAV network into multiple federated learning units; acquiring pictures, taken by the UAV network, of the typical object and tags corresponding to each picture to determine a training database; training, based on Horovod framework and FATE federated learning framework, each federated learning unit according to the training database and the detection model for the typical object, and determining the trained UAV network according to the trained federated learning unit; and determining, by the trained UAV network, the typical object in each picture. A congestion of communication links is avoided, thereby improving detection efficiency.

A method and system for detecting a typical object of a transmission line based on UAV federated learning. The method includes: determining a detection model for a typical object of a transmission line by YOLOv3 object detection algorithm according to a prior database for the typical object; dividing a UAV network into multiple federated learning units; acquiring pictures, taken by the UAV network, of the typical object and tags corresponding to each picture to determine a training database; training, based on Horovod framework and FATE federated learning framework, each federated learning unit according to the training database and the detection model for the typical object, and determining the trained UAV network according to the trained federated learning unit; and determining, by the trained UAV network, the typical object in each picture. A congestion of communication links is avoided, thereby improving detection efficiency.

A cable with a signal detection function includes an insulating core, a second insulating layer, and a signal detection layer. The signal detection layer is for transmitting signal data. The cable further includes a second insulating layer, and plural signal detection layers provided for transmitting signal data. The signal detection layer and the insulating cores are disposed inside the second insulating layer, and the signal detection layer is cladded with plural insulating cores. If the first insulating layer in the signal detection layer is damaged, the signal detection layer will be electrically connected to the conductor assembly. The cable with the signal detection function can detect the abnormality of the insulating core through the signal detection layer to facilitate maintaining and repair the cable.

A cable with a signal detection function includes an insulating core, a second insulating layer, and a signal detection layer. The signal detection layer is for transmitting signal data. The cable further includes a second insulating layer, and plural signal detection layers provided for transmitting signal data. The signal detection layer and the insulating cores are disposed inside the second insulating layer, and the signal detection layer is cladded with plural insulating cores. If the first insulating layer in the signal detection layer is damaged, the signal detection layer will be electrically connected to the conductor assembly. The cable with the signal detection function can detect the abnormality of the insulating core through the signal detection layer to facilitate maintaining and repair the cable.

A cable with a signal detection function includes an insulating core, a second insulating layer, and a signal detection layer. The signal detection layer is for transmitting signal data. The cable further includes a second insulating layer, and plural signal detection layers provided for transmitting signal data. The signal detection layer and the insulating cores are disposed inside the second insulating layer, and the signal detection layer is cladded with plural insulating cores. If the first insulating layer in the signal detection layer is damaged, the signal detection layer will be electrically connected to the conductor assembly. The cable with the signal detection function can detect the abnormality of the insulating core through the signal detection layer to facilitate maintaining and repair the cable.

This invention relates to the technical field of cables and, in particular, to an automatic leakage detection wire, which comprises an insulating protective layer, a plurality of core wires, a detection wire and an additional signal wire, and the detection wire is electrically connected with the additional signal wire. The detection wire and the additional signal wire are all connected to an external signal detection device; the core wire includes a conductor group and a first insulating layer covering the outer periphery of the conductor group; the detection wire, the additional signal wire, and a plurality of the cores. The wires are all wrapped in the insulating protective layer. The automatic leakage detection line provided by the invention can carry out an early warning through the detection line and an additional signal line, thereby reducing the accident risk caused by the damage of the automatic leakage detection line.

A power cord includes multiple current-carrying wires covered by an outer insulating layer, each wire including a current-carrying conductor covered by an insulating layer. At least one wire further includes a shield layer covering the insulating layer and a metal conductor between the insulating layer and the shield layer. The shield layer is formed of a band wound around the metal conductor and insulating layer. The outward-facing surface of the band is insulating; the inward-facing surface has one or more conductive regions and one or more insulating regions. One insulating region is located along a longitudinal trailing edge of the band. Consecutive turns of the band partially overlap each other; the trailing edge of a subsequent turn is disposed over part of a previous turn. The structure ensures effective insulation of the metal conductor from other components. The power cord is used in a leakage current detection and interruption device.

A cable assembly includes a cable having a first end and a second end. The cable has an electric conductor and a cooling conduit, each of which extends from the first end to the second end. The cooling conduit is adapted to convey a fluid that cools the electric conductor. The cable assembly includes a leak detection module to detect a leak of the fluid from the cooling conduit. The leak detection module includes a power source to generate an input voltage signal which is applied at a first node contact with the fluid. The leak detection module includes a controller to monitor an output voltage signal at the first node and to detect a leak of the fluid from the cooling conduit based on the output voltage signal.

An electrical component including a polymeric body which (i) defines at least one electrical connection; or (ii) is configured for attachment to an electrical cable or wire; or (iii) is configured for attachment to an electrical apparatus, wherein the polymeric body or a portion thereof includes a thermochromic composition which has a first colour condition below a first threshold temperature and a second colour condition if the composition is heated above the first threshold temperature, and wherein the thermochromic composition maintains the second colour condition until it is cooled below a second threshold temperature.

The present disclosure relates to a cable system for cable condition monitoring, a use of such a cable system, a method for manufacturing such a cable system, a method for operating such a cable system and a computer program element for operating such a cable system. The cable system includes a first adapter unit, a first sleeve unit and a cable including at least a first end portion. The first adapter unit is connectable to an energy storage system and the cable is configured for transferring electric power to the first adapter unit. The first sleeve unit is arranged between the first adapter unit and the first end portion of the cable and configured for providing protection therebetween. The first sleeve unit includes a first sensor unit configured for generating data based on strain exerted on the first sleeve unit. The first sensor unit includes a first flexible electronic element extending at least partially to the first end portion of the cable.