A converter with a DC link for converting an input voltage into an alternating voltage with a pre-determined amplitude and frequency for driving a single or multiple-phase load may include a number of modules which are stackable over one another. Each module may have a ceramic cooling body with a receiving surface on which electronic components of one phase are mounted, wherein the ceramic cooling body has channel(s) in the region of the receiving surface for carrying a coolant during the operation of the converter The converter may include a DC link capacitor and input-side and output-side power connections arranged on a first carrier having a arranged perpendicular to the receiving surface. The converter may also include a control unit for driving the electronic components of the phase, the control unit being arranged on a second carrier having a main plane arranged perpendicularly to the plane of the receiving surface.

A series module assembly particularly for drive technology includes a bus system and series modules arranged in side by side in a row on a mounting base. The series modules each have an electronics housing in which at least one electronic element is arranged. The bus system includes busbars that extend outside of the electronics housing, wherein at least one of the busbars can be electrically connected to the electronic element of one of the series modules via a plug assembly. The series module assembly is designed for wall mounting. The bus bars are pre-assembled with a mounting and bus rail and anchored to the wall. The mounting and bus rail is configured so that the series modules can be mounted on the mounting and bus rail in a direction parallel to the wall in order to establish contact with the busbars. The mounting and bus rail can be adjustably mounted at a selected distance from the wall.

The invention relates to an assembly forming a casing for electrical equipment, said assembly comprising: a first casing for receiving at least a first electronic component of the electrical equipment; a second casing for receiving at least a second electronic component of the electrical equipment; a first wall of the first casing, known as the first interface wall, and a second wall of the second casing, known as the second interface wall, said walls being arranged to press against one another in order to form the assembly. According to the invention, the first and second casings each comprise at least one side wall, known as the first and second sidewalls respectively, said side walls extending from the first and second interface walls respectively in the opposite direction relative to the other casing; and the second side wall comprises an opening, known as the connection opening, for receiving an electrical connector, and a portion around the opening, known as the connection portion, for receiving a sealing part of the electrical connector, said first and second side walls being arranged such that the connection portion extends towards the first casing so as to face one surface of the first side wall.

A welding system includes power conversion circuitry configured to convert input power to weld power and a first housing surface. The first housing surface includes a first mating geometry configured to mate with a first complementary geometry of a first modular surface of a first modular component of the welding system.

Embodiments discussed herein include an inverter with a multi-part housing and internal cooling-air duct. In one example, the inverter can comprise a first housing part with direct current connections, a second housing part with alternating current connections, a third housing part for accommodating power-electronics components of a DC voltage converter, a fourth housing part for accommodating power-electronics components of an inverter bridge circuit, and a heat sink. The housing parts each have an essentially planar rear wall and are arranged in such a way that they enclose a cooling-air duct with an essentially rectangular cross section, wherein the first housing part is arranged opposite the second housing part and the third housing part is arranged opposite the fourth housing part. The heat sink has two essentially planar cooling faces opposite one another arranged in the cooling-air duct.

The invention relates to an electric assembly to be mounted on a top-hat rail, comprising: an electric current supply component (200): a multi-layered support (206) including a metal plate (300), a conductive layer (302) for electrically contacting the electric current supply component (200) and an electric insulation layer (304) which is arranged between the metal plate (300) and the conductive layer (302); the electric current supply component (200) is connected in an heat-conductive manner to the metal plate (300) in order to withdraw thermal energy from the electric current supply component (200).

Example DC-DC converters include a housing having at least two bullet terminals. The at least two bullet terminals are configured to mate with corresponding terminals in a DC bullet breaker panel. The converter also includes a DC-DC voltage converter circuit coupled between the at least two bullet terminals, and a controller coupled with the DC-DC voltage converter circuit. The controller is configured to control the DC-DC converter circuit to convert a DC input voltage at a first one of the at least two bullet terminals to a different DC output voltage at another one of the at least two bullet terminals. Methods of converting DC voltages using DC-DC converters having bullet terminals are also disclosed.

Provided is an inverter, comprising a conversion module, a delivering module, an inductance module, and a communication module. The delivering module and the inductance module are separately connected to the conversion module by means of plug-in, and the communication module is electrically connected to the delivering module, the conversion module, or the inductance module by means of plug-in. The electrical connection between the modules inside the inverter can be realized by means of plug-in, such that the electrical connection between the modules is more convenient, the working efficiency and maintenance efficiency of electrical connection are improved, and the influence of the electromagnetic interference, which is occurred when the modules are connected by means of wires, on the working stability of the modules can be avoided, thereby ensuring the working stability of the inverter.

A capacitor unit includes: a base portion with a mount surface, and a locking member. The locking member includes a shaft portion to be inserted in a hole provided in the mount surface and a head portion. A first guide member and a second guide member guide along an anteroposterior direction, a first end and a second end of the base portion in a lateral direction, respectively. The hole is located between the capacitor and the first end in the lateral direction, and arranged at a position more distant from an opening than the first guide member in the anteroposterior direction. At a first engagement position, the locking member abuts on the first guide member. At a second engagement position, abutment of the locking member on the first guide member is canceled.

Provided is a DCDC converter integrated charger having a small occupation area of a storage space and capable of suppressing noise interference. Included are a first wall separating a first space, where a switching circuit section is disposed, and a second space where an input filter circuit section and an output filter circuit section are disposed, and a second wall separating a third space which faces the first wall through a second space and where a DCDC converter circuit section is disposed and the second space.