A multilayer coil component includes a multilayer body which includes stacked insulating layers and incorporates a coil, and outer electrodes on an outer surface of the multilayer body and are electrically connected to the coil. The coil includes coil conductors which are stacked together with the insulating layers are electrically connected together. The coil conductors each include inner and outer end faces which face each other in a direction orthogonal to a stacking direction of the multilayer body in a section in a width direction of the one of the coil conductors. At least one end face of the inner end face and the outer end face in at least one coil conductor includes a first surface and a second surface which is continuous with the first surface and is different in an angle with respect to a plane perpendicular to the stacking direction from the first surface.

A multilayer coil component includes a multilayer body which includes stacked insulating layers and incorporates a coil, and outer electrodes on an outer surface of the multilayer body and are electrically connected to the coil. The coil includes coil conductors which are stacked together with the insulating layers are electrically connected together. The coil conductors each include inner and outer end faces which face each other in a direction orthogonal to a stacking direction of the multilayer body in a section in a width direction of the one of the coil conductors. At least one end face of the inner end face and the outer end face in at least one coil conductor includes a first surface and a second surface which is continuous with the first surface and is different in an angle with respect to a plane perpendicular to the stacking direction from the first surface.

Since the magnetic sheet is adopted as the coil component, magnetic saturation is likely to occur in the magnetic sheet, and it is considered that the DC superimposition characteristic of the coil component is deteriorated. However, since the inner edge of the coil structure backs down with respect to the inner edge of the magnetic sheet so that the magnetic flux generated in the coil easily circulates, the deterioration of the DC superimposition characteristics due to the adoption of the magnetic sheet is suppressed.

Since the magnetic sheet is adopted as the coil component, magnetic saturation is likely to occur in the magnetic sheet, and it is considered that the DC superimposition characteristic of the coil component is deteriorated. However, since the inner edge of the coil structure backs down with respect to the inner edge of the magnetic sheet so that the magnetic flux generated in the coil easily circulates, the deterioration of the DC superimposition characteristics due to the adoption of the magnetic sheet is suppressed.

A coil component includes an insulating layer; an annular ring-shaped coil core embedded in the insulating layer; a coil electrode wound around the coil core; an input electrode designed for external connection, disposed on a lower surface of the insulating layer, and connected to a first end of the coil electrode; and an output electrode designed for external connection, disposed on the lower surface of the insulating layer, and connected to a second end of the coil electrode. One of the input electrode and the output electrode is disposed inside the coil core in a plan view. With this configuration, unlike a conventional coil component in which both input and output electrodes are disposed outside a coil core, it is possible not only to easily reduce the area of the coil component in a plan view, but also to improve heat dissipation characteristics of the coil component.

A coil component includes an insulating layer; an annular ring-shaped coil core embedded in the insulating layer; a coil electrode wound around the coil core; an input electrode designed for external connection, disposed on a lower surface of the insulating layer, and connected to a first end of the coil electrode; and an output electrode designed for external connection, disposed on the lower surface of the insulating layer, and connected to a second end of the coil electrode. One of the input electrode and the output electrode is disposed inside the coil core in a plan view. With this configuration, unlike a conventional coil component in which both input and output electrodes are disposed outside a coil core, it is possible not only to easily reduce the area of the coil component in a plan view, but also to improve heat dissipation characteristics of the coil component.

A winding assembly for a transformer, in particular with a medium operating voltage of Um≥79.5 kV, wherein the winding assembly includes at least one winding, which ends in a winding conductor, where the winding conductor is connected to a switching line, which is configured to interconnect the winding to other windings, and where the connection of the switching line to the winding conductor is arranged inside the winding so as to reduce the danger of partial discharges and flashovers in the high-voltage end-line region for high-temperature applications.

A winding assembly for a transformer, in particular with a medium operating voltage of Um≥79.5 kV, wherein the winding assembly includes at least one winding, which ends in a winding conductor, where the winding conductor is connected to a switching line, which is configured to interconnect the winding to other windings, and where the connection of the switching line to the winding conductor is arranged inside the winding so as to reduce the danger of partial discharges and flashovers in the high-voltage end-line region for high-temperature applications.

A motor control apparatus for securing insulation performance includes: a temperature sensor detecting a temperature of a motor; an altitude detection means providing information on an altitude at which the motor is positioned; and a controller including a motor output map having a plurality of groups of map data in which motor output limit rates depending on temperatures of the motor are pre-stored for each preset altitude section, selecting one group of map data corresponding to the information on the altitude provided by the altitude detection means, and determining a motor output limit rate by applying the temperature detected by the temperature sensor to the selected group of map data.

A motor control apparatus for securing insulation performance includes: a temperature sensor detecting a temperature of a motor; an altitude detection means providing information on an altitude at which the motor is positioned; and a controller including a motor output map having a plurality of groups of map data in which motor output limit rates depending on temperatures of the motor are pre-stored for each preset altitude section, selecting one group of map data corresponding to the information on the altitude provided by the altitude detection means, and determining a motor output limit rate by applying the temperature detected by the temperature sensor to the selected group of map data.