The invention relates to a converter assembly comprising a DC voltage intermediate circuit (1) for providing a DC voltage V.sub.DC, comprising a positive terminal and a negative terminal, and at least one machine converter (2) for converting the DC voltage V.sub.DC into a multi-phase AC voltage, wherein at least one energy storage capacitor (3, 3′) is arranged in the DC voltage intermediate circuit (1), and wherein a frequency-dependent resistor (4) which has a higher electrical resistance at high frequencies than at low frequencies is arranged in series with the energy storage capacitor (3, 3′).

A multilayer ceramic capacitor includes a multilayer body including internal electrode layers and dielectric layers alternately laminated therein, and external electrodes respectively on end surfaces in a length direction intersecting a lamination direction in the multilayer body, and being electrically connected to the internal electrode layers. The internal electrode layers each include an opposing portion and an extension portion. The opposing portion of one internal electrode layer is opposed to an opposing portion of another internal electrode layer adjacent in the lamination direction. The extension portion extends from the opposing portion and is connected to one of the external electrodes in the length direction. The dielectric layers each have a thickness of about 0.3 μm or more and about 0.5 μm or less, and the internal electrode layers include short-circuit prevention internal electrode layers each including a thin portion with a thickness is no more than about 1/20 the thickness of the dielectric layer in the opposing portion.

A multilayer ceramic capacitor includes a multilayer body including internal electrode layers and dielectric layers alternately laminated therein, and external electrodes respectively on end surfaces in a length direction intersecting a lamination direction in the multilayer body, and being electrically connected to the internal electrode layers. The internal electrode layers each include an opposing portion and an extension portion. The opposing portion of one internal electrode layer is opposed to an opposing portion of another internal electrode layer adjacent in the lamination direction. The extension portion extends from the opposing portion and is connected to one of the external electrodes in the length direction. The dielectric layers each have a thickness of about 0.3 μm or more and about 0.5 μm or less, and the internal electrode layers include short-circuit prevention internal electrode layers each including a thin portion with a thickness is no more than about 1/20 the thickness of the dielectric layer in the opposing portion.

An apparatus for monitoring a power capacitor having a housing with a housing interior to be gas-tightly closed off at a housing opening, includes a sensor device outputting a signal as a function of a gas pressure in the housing. An adapter mechanically connects the sensor device to the housing at the housing opening and fluidically connects it to the housing interior. The adapter has a cylindrical adapter body divided into a plurality of functional longitudinal sections and a feed-through for the fluidic connection extending over the plurality of longitudinal sections. A first longitudinal section, disposed in a region of the housing opening after connecting the adapter to the housing, caps or closes off the feed-through in a plane perpendicular to a longitudinal axis of the adapter body and fluidically connects it to the housing interior in at least one plane parallel to the longitudinal axis.

A sensor unit disclosed herein is a temperature sensor unit to be attached to an energy storage device. The temperature sensor unit includes an FPC to be positioned on an energy storage device body, a temperature sensor connected to a detection line of the FPC, a housing disposed on the FPC and covering the temperature sensor, and a biasing member elastically and deformably held in the housing and configured to bias the lower housing of the housing toward the energy storage device body by elastic restoring force to bring the temperature sensor into contact with the energy storage device body with the FPC therebetween.

A high voltage resistor arrangement has a rod-shaped supporting substrate made of electrically insulating material and a plurality of individual resistors and/or discrete capacitors spaced apart from each other in the longitudinal direction of the supporting substrate, wherein at least one conductive path extending in the longitudinal direction of the supporting substrate is formed on the supporting substrate which is galvanically connected to the individual resistors and/or discrete capacitors, and wherein the individual resistors and/or discrete capacitors are realized as SMD components soldered directly onto the supporting substrate by means of solder pads.

An apparatus suitable for use in an air-conditioning system and configured to provide a plurality of selectable capacitance values includes a plurality of capacitive devices and a pressure interrupter cover assembly. Each of the capacitive devices has a first capacitor terminal and a second capacitor terminal. The pressure interrupter cover assembly includes a deformable cover, a set of capacitor cover terminals, a common cover terminal, and a set of insulation structures. The apparatus also includes a conductor configured to electrically connect the second capacitor terminal of at least one of the capacitive devices to the common cover terminal.

An apparatus suitable for use in an air-conditioning system and configured to provide a plurality of selectable capacitance values includes a plurality of capacitive devices and a pressure interrupter cover assembly. Each of the capacitive devices has a first capacitor terminal and a second capacitor terminal. The pressure interrupter cover assembly includes a deformable cover, a set of capacitor cover terminals, a common cover terminal, and a set of insulation structures. The apparatus also includes a conductor configured to electrically connect the second capacitor terminal of at least one of the capacitive devices to the common cover terminal.

A device for depassivation of an energy storage device having an anode, a cathode and a core with an electrolyte, the device including: a first switch configured to provide a positive input voltage to the anode; a second switch configured to provide a negative input voltage to the anode; and a controller configured to: detect that a first predetermined event related to a buildup of passivation has occurred with regard to the energy storage device; switch between a positive input voltage and a negative input voltage provided to the anode at a frequency sufficient to depassivate the anode; discontinue the switching when a second predetermined event related to passivation has occurred.

The present invention relates to a string lamp. The string lamp includes a bulb, a lamp holder, a hollow connecting base and a capacitor embedded in the connecting base in a separable mode. A lower part of the bulb is contained in the lamp holder. At least two lamp pins extend out from wire holes formed in the lower part of the lamp holder. The inner side wall of the connecting base is provided with at least two separately arranged conductive pieces, and the conductive pieces are electrically contacted with the corresponding lamp pins. The capacitor is arranged below the lamp holder, and connecting pins of the capacitor are electrically contacted with the corresponding conductive pieces as well. The string lamp of the present invention is compact in structure, and the capacitor and the lamp holder are convenient to maintain and replace.