The present disclosure relates to a bushing including an electrical conductor comprising a terminal at a first end of the bushing. The bushing also includes an electrically insulating condenser core arranged around the conductor and defining a central longitudinal through-hole through which the conductor extends. The bushing also includes a plurality of concentric field-grading layers arranged in the condenser core, comprising an inner field-grading layer and an outer field-grading layer. The bushing also includes an electrically conductive head electrically connected with the conductor passing there through, forming a gas-tight cap of the first end of the bushing outside of the condenser core, sealingly engaging a circumferential lateral outer surface of the condenser core and sealingly engaging the conductor. The bushing also includes an electrically conductive connection between the inner field-grading layer and the head.

The present disclosure relates to a condenser bushing including a condenser core and electrically conductive field-grading layers, which are embedded in insulating material of the condenser core and arranged around a central channel for conductor extending along an axis defining an axial direction, while an electric connection is provided to at least one of the field-grading layers, wherein pairs of neighbouring field-grading layers with the insulation material between them form sections of the condenser core of axial lengths L.sub.1 through L.sub.n and with capacitances C.sub.1 through C.sub.n, characterized in that a shape of at least one of the field-grading layers deviates from cylindricality in order to reduce non-uniformity of electric field stress of the condenser bushing compared to a corresponding condenser bushing with the cylindrical field-grading layers forming sections of the axial lengths L.sub.1 through L.sub.n and with capacitances C.sub.1 through C.sub.n.

The present disclosure relates to a condenser bushing including a condenser core and electrically conductive field-grading layers, which are embedded in insulating material of the condenser core and arranged around a central channel for conductor extending along an axis defining an axial direction, while an electric connection is provided to at least one of the field-grading layers, wherein pairs of neighbouring field-grading layers with the insulation material between them form sections of the condenser core of axial lengths L.sub.1 through L.sub.n and with capacitances C.sub.1 through C.sub.n, characterized in that a shape of at least one of the field-grading layers deviates from cylindricality in order to reduce non-uniformity of electric field stress of the condenser bushing compared to a corresponding condenser bushing with the cylindrical field-grading layers forming sections of the axial lengths L.sub.1 through L.sub.n and with capacitances C.sub.1 through C.sub.n.

Sensored bushing (1) for medium or high voltages, the bushing comprising a) a bushing body (140); b) an elongated bushing conductor (560); c) a tubular sensing electrode (170), arranged coaxially around the bushing conductor, so that the sensing electrode and the bushing conductor are operable as electrodes of a primary capacitor of a voltage divider for sensing the voltage of the bushing conductor; d) a tubular shield electrode (190), arranged coaxially around the sensing electrode (170); e) a spacer (200), arranged radially between the sensing electrode (170) and the shield electrode (190) and mechanically connected to the sensing electrode and to the shield electrode to maintain the sensing electrode and the shield electrode in a fixed spatial relation to each other.

The bushing includes a plurality of electrically conductive elements and at least one ultrasonic welding joint. The at least one ultrasonic welding joint is formed between one electrically conductive element and another electrically conductive element and mechanically and electrically connects the electrically conductive elements with each other.

A high-voltage bushing includes a conductive rod and an air cooling device. The conductive rod has an air channel therein, and the air channel includes an air inlet and an air outlet. The air cooling device includes at least one fan, and the fan is configured to output air flow, so as to blow the air flow into the air channel through the air inlet.

A socket, connectable to a plug-in device, wherein the plug-in device is a bushing and/or a plug-in cable termination, is described. The socket includes a current conduction path and a field control unit. The field control unit includes a layer arrangement with at least three conductive layers arranged around the current conduction path and separated by an insulating material.

A socket, connectable to a plug-in device, wherein the plug-in device is a bushing and/or a plug-in cable termination, is described. The socket includes a current conduction path and a field control unit. The field control unit includes a layer arrangement with at least three conductive layers arranged around the current conduction path and separated by an insulating material.