1922results about "Conversion constructional details" patented technology

A case body has a first opening that is open along a first direction and through which an inverter device is insertable, a surrounding wall portion disposed along the first direction so as to surround the first opening, and a second opening that is formed in the surrounding wall portion and through which a power cable is insertable. A cover member is fixed to the surrounding wall portion by a plurality of fastening members disposed away from each other along an opening edge of the first opening so as to cover the first opening. A second opening width in a direction orthogonal to the first direction is smaller than an opening width of the second opening in the first direction, and a pair of the fastening members is disposed on both sides across the second opening.

Provided are an integrated energy storage unit, an energy storage-power expansion pack, and an energy storage device. The integrated energy storage unit includes an integrated unit case and a first firefighting module. The integrated unit case includes a first battery box housing and a heat sink housing that are detachably connected to each other. A first battery module is fixed in the first battery box housing. An inverter circuit board is fixed in the heat sink housing. The inverter circuit board is configured for a conversion between an alternating current and a direct current and heat dissipation to an exterior environment through the heat sink housing. The first firefighting module is disposed in the integrated unit case. The first firefighting module includes a trigger mechanism, a fire-extinguishing agent storage compartment, and a release mechanism. The trigger mechanism is disposed in a firefighting detection region in the integrated unit case and configured to generate a trigger signal when a firefighting trigger condition in the firefighting detection region is met. The fire-extinguishing agent storage compartment is configured to store a fire extinguishing agent. The release mechanism is configured to, in response to the trigger signal from the trigger mechanism, release the fire extinguishing agent into a chamber where the first battery module is located.

An electrical line selection system comprising a circuit module configured to connect energy sources with multiple line outputs. The circuit module has a number of inputs configured to connect to energy sources, including rechargeable battery systems, and a number of outputs configured to connect with other electrical systems such as other battery systems, loads, charging sources, and various AC or DC power supplies. A switching circuit is contained by the circuit module and a controller manages the switching circuit based on desired connections and strategies for managing power supplies and current sinks.

A controller includes a circuit board, and a module assembly arranged at the circuit board. The module assembly includes a first power module, a second power module, and a third power module. The circuit board includes a first current circuit connected to the first power module, a second current circuit connected to the second power module, and a third current circuit connected to the third power module. The first current circuit and the second current circuit share one or more circuit components.

A kind of power device parallel type power module and capacitor charging and discharging method, power module includes two or more than pressure type power device, the two or more than pressure type power device adopts the physical form of half bridge group string upper and lower parallel;The half bridge group string of the pressure type power device is connected in parallel by silicon pile composite busbar;Each power module is provided with pneumatic short-circuit switch, in the case of multiple power module series connection, the pneumatic short-circuit switch is connected in series with all DC capacitors, and charging and discharging is carried out through the ground loop of flexible AC transmission equipment AC, DC valve side;The pneumatic short-circuit switch is connected with gas driving pipeline, and the gas driving pipeline is connected with valve-based gas pressurizing device.The power module can effectively improve the capacity of flexible AC transmission equipment, so that it has short-time frequency modulation capacity output, provides technical scheme support for new power system construction, and guarantees system safety and stability;The provided capacitor charging and discharging method can improve maintenance efficiency and enhance product reliability.

A system includes: an inverter configured to convert DC power to AC power, wherein the inverter includes: a power module including: a first substrate, a second substrate including a source plane and a gate plane separated from the source plane by a full trench, the source plane including a step trench, and the gate plane including an electrical connection through the second substrate to a gate input connection of the power module, a semiconductor die disposed between the first substrate and the second substrate, the step trench formed in a portion of the source plane corresponding to an edge of the semiconductor die, and the semiconductor die including a gate connected to the gate plane, and a sinter element disposed between the semiconductor die and the second substrate to connect the semiconductor die to the second substrate; a battery; and a motor.

This application provides a photovoltaic inverter and a photovoltaic system. The photovoltaic inverter includes a housing, a circuit board, cooling fins, a switch assembly, and PV ports. The circuit board is reversely fastened in the photovoltaic inverter. The circuit board partitions an accommodating cavity into a first subcavity and a second subcavity, and the first subcavity and the second subcavity accommodate a first device and a second device respectively. The second device includes an inverter power assembly fastened to a rear circuit board side. The cooling fins are located on a side that is of a bottom plate and that is away from a cover plate. The inverter power assembly is in thermally conductive connection to the cooling fins through a thermally conductive contact part. The switch assembly includes a knob, a connecting rod, and a switch body. The switch body includes breaking units. Pins of the breaking units are rigidly fastened to the rear circuit board side. In this application, the circuit board is reversely fastened in the photovoltaic inverter, and a large device is fastened to the rear circuit board side, so that both cooling effect and a product aesthetic feeling are considered. The switch body is rigidly fastened to the rear circuit board side through the pins. This reduces assembly difficulty of the photovoltaic inverter.

The embodiment of the application provides a kind of power conversion equipment, it is related to power electronics field.The power conversion equipment includes shell, circuit board, radiator and first heat exchanger, power cavity is formed in shell, heat dissipation cavity is formed outside shell, shell includes the partition between power cavity and heat dissipation cavity, opening is arranged on the partition, circuit board is arranged in power cavity and the side of opening has first power device;Radiator is arranged in heat dissipation cavity and includes first substrate and first heat dissipation part, first substrate is arranged at opening and is in contact with first power device, first substrate is provided with first gas-liquid passage, first heat dissipation part is provided with second gas-liquid passage communicated with first gas-liquid passage, and cooling working medium for gas-liquid conversion is arranged in first gas-liquid passage;First heat exchanger is located in power cavity or heat dissipation cavity.Through the above technical scheme, the device that can be targeted to heat seriously in power conversion equipment is cooled, so that power conversion equipment is stably operated.

Disclosed is a power supply including: a power supply mainboard having a connector slot; a circuit module connected to the power supply mainboard through the connector slot, the circuit module including a detection device configured to send an anomaly signal in response to detecting an anomaly in the circuit module; and a digital management chip connected to the power supply mainboard and configured to, in response to receiving the anomaly signal from the detection device, identify a circuit module corresponding to the detection device that sends the anomaly signal as a faulty circuit module, and send fault information of the faulty circuit module to instruct to replace the faulty circuit module in a connector slot corresponding to the faulty circuit module.

The present application relates to high speed, high efficiency SiC power modules. A power converter module includes an active metal brazing (AMB) substrate, a power converter circuit, and an enclosure. The AMB substrate includes an aluminum nitride base layer, a first conductive layer on a first surface of the aluminum nitride base layer, and a second conductive layer on a second surface of the aluminum nitride base layer opposite the first surface. The power converter circuit includes a plurality of silicon carbide switching components coupled to each other via the first conductive layer. The enclosure is disposed over the power converter circuit and the AMB substrate. By using an AMB substrate with an aluminum nitride base layer, thermal dissipation of the power converter module can be significantly improved while maintaining structural integrity of the power converter module.

The enclosure and / or mounting framework for a modular multilevel energy system includes a set of similar cabinets configured for orthogonal alignment of modules. The cabinets are configured so that modules of a particular phase are oriented along an axis parallel to a reference plane. Modules of the same level but different phases of the multilevel arrangement are mounted within each cabinet and positioned so that the modules for each phase are at a defined distance from the reference plane. The cabinets are positioned equidistant and orthogonal to the reference plane, minimizing the distance for connections between modules of the same phase across multiple cabinets and facilitating convenient addition or removal of levels. The framework also facilitates data and reference signal connections between the modules' local control devices and between the local control devices and a master control device for the system.

A sheet-shaped member 440 including a resin insulating layer 441 and a metal foil 442 is used. The sheet-shaped member 440 is deformed following warpage or step difference in a second conductor plate 431 and a fourth conductor plate 433, and therefore, the thickness of the resin insulating layer 441 can be set to a constant thickness of, for example, 120 μm capable of securing insulation properties. By plastically deforming a metal-based heat conduction member 450 having a thickness of, for example, 120 μm interposed between the sheet-shaped member 440 and a cooling member 340, the thickness of the metal-based heat conduction member 450 is changed to absorb the warpage or step difference generated in the second conductor plate 431 and the fourth conductor plate 433. This results in remarkable improvement in heat dissipation as compared with a case where the conductor plates are brought into contact with the cooling member 340 via an insulating layer alone.

A voltage converting circuit comprises a multi-layer printed-circuit-board stack having an input terminal and a reference terminal, first and second switching elements connected to each other at an output terminal and a parallel-plate capacitor connected with the first and the second switching elements; the stack comprises a top conductive layer provided with said input, reference and output terminals and with a plurality of power-conducting traces, a first and a second metal plane forming said electrodes of the parallel-plate capacitor, a first and a second signal layer having first and second signal-routing traces, wherein the first and the second metal plane are arranged between the top conductive layer and two signal layers, and wherein the top conductive layer and the first metal plane are separated from each other by an insulating layer of the stack only.

Provided is an electric circuit body including: a power semiconductor element; a first conductor plate configured to be connected to one surface of the power semiconductor element; a first sheet-shaped member having a first resin insulation layer and configured to at least cover a surface of the first conductor plate; a sealing material configured to seal each of the power semiconductor element, the first conductor plate, and an end of the first sheet-shaped member; and a first cooling member configured to be adhesively attached to the first sheet-shaped member. In the electric circuit body, the first sheet-shaped member includes: an embedded portion where the end of the first sheet-shaped member is covered with the sealing material; a heat dissipation surface as a region to overlap the surface of the first conductor plate; and a margin as a region between the embedded portion and the heat dissipation surface, the margin is located more inward than the heat dissipation surface, and the embedded portion is located more inward than the margin.

A power generation system, including: a container having an interior volume; a fuel cell compartment, which is a portion of the interior volume that is defined by one or more fuel-cell-partitions in the container; a fuel cell located within the fuel cell compartment; a battery compartment, which is a portion of the interior volume that is defined by one or more battery-partitions; a battery located within the battery compartment; a control compartment, which is a portion of the interior volume that is: separated from the fuel cell compartment by the one or more fuel-cell-partitions; separated from the battery compartment by the one or more battery-partitions; an outflow vent; and a fan configured to reduce the air pressure in the fuel cell compartment such that air is drawn through the battery compartment and the fuel cell compartment and exits the container through the outflow vent.

A power module, for power electronics of a vehicle, having two DC busbars and three phase busbars which are disposed between the two DC busbars, and a plurality of power semiconductors, each of which is disposed between one of the DC busbars and one of the phase busbars, and power electronics having at least one such power module, and a vehicle having such power electronics. The DC busbars and the phase busbars are electrically insulated from one another and in each case have at least one cooling duct through which a dielectric fluid flows, at both open ends each of the DC busbars and the phase busbars having at least one plug-in electrical contact connection and at least one plug-in fluid connection that in each case form a combined plug-in connection, so that multiple power modules are connectable to each other in fluid-tight fashion using plug connections.

The invention provides an embedded power module assembly and a vehicle with the same. The embedded power module assembly includes: a plurality of copper foil layers; the number of the chips is multiple, the multiple chips are arranged among the multiple copper foil layers, part of the chips are arranged in the upper bridge areas of the copper foil layers, and the other part of the chips are arranged in the lower bridge areas of the copper foil layers; the plurality of chips are connected with one of the copper foil layers through the heat dissipation base; and the heat-conducting medium layer is arranged on the inner side of the copper foil layer close to one side of the tail end, and the heat-conducting medium layer is attached to the copper foil layer provided with the chip. The problem of high switching loss caused by large parasitic inductance of a power module in a high-power-density electric drive system in the prior art is solved.

A bidirectional power supply apparatus includes: an alternating current input port for inputting an alternating current to the bidirectional power supply apparatus; an alternating current output port for outputting the alternating current to an alternating current device; a direct current input or output port for transmitting a direct current between the bidirectional power supply apparatus and a direct current device bidirectionally; a bidirectional energy conversion module for performing multiple energy conversions on electrical energy inputted to the bidirectional power supply apparatus; and a power management module electrically connected to the alternating current input port, the alternating current output port, and the direct current input or output port. The power management module is configured to control an energy conversion manner of the bidirectional energy conversion module according to a port connection status of the alternating current input port, the alternating current output port, or the direct current input or output port.

Embodiments described herein provide a single battery pack inverter that reduces cost and improves user experience at a worksite. Single battery pack inverters described herein provide a housing, a battery pack interface provided on a first surface of the housing to receive a power tool battery pack, an output interface provided on a second surface of the housing for powering external devices, and an inverter circuit in the housing for converting direct-current (DC) power from the power tool battery pack to alternating-current (AC) power provided at the AC outlet. The single battery pack inverters also include a hanging hook provided on the housing and configured to be pivotable between a first position and a second position. The hanging hook enables the single battery pack inverter to hang onto a support when the hanging hook is in the second position.

Embodiments of the present disclosure provide a modular power supply (MPS) system and device providing an ability for all-in-one or most-in-one device configurations. In various embodiments, the available components include Direct Current (DC) to Alternating Current (AC) power supply, DC to DC power supply, AC to DC power supply, system health monitoring solutions, power distribution solutions, common, toolless interfaces and universal packaging and mounting. Embodiments include a control module, at least one power module, an inverter module, a power distribution unit module, a signal interface and a mechanical interface to facilitate use and operation of the device as an integrated unit.

A photovoltaic inverter includes an inverter circuit, a communication circuit, an arc detection circuit, and a transformer. The transformer includes one magnetic core, at least one primary-side coil, and at least two secondary-side coils. The primary-side coil and the secondary-side coils of the transformer are wound around the magnetic core. One end of a first primary-side coil of the transformer is configured to connect to a power supply, the other end of the first primary-side coil is configured to connect to an input end of the inverter circuit, a first secondary-side coil of the transformer is configured to connect to the communication circuit, and a second secondary-side coil of the transformer is configured to connect to the arc detection circuit, to implement both power line communication and arc detection on the basis that the transformer includes the magnetic core.

A power device electronics system includes a thermal management configuration in which a power electronics chip is attached to a copper substrate and a single crystal diamond substrate attached to the copper substrate. The copper substrate is sandwiched between a first side of the diamond substrate and the power electronics chip.

The present invention provides a liquid-cooling heat dissipation apparatus for a power device, and an on-board charger. The liquid-cooling heat dissipation apparatus comprises a circuit board, a power device, and a heat dissipation assembly which are sequentially stacked. One side of the power device is connected to the circuit board by means of pins on the power device, and the other side of the power device is installed on a heat dissipation surface of the heat dissipation assembly. In the present invention, the power device is directly installed on the heat dissipation surface of the heat dissipation assembly, so that compared with the prior art, the present invention omits an intermediate heat transfer layer such as an aluminum substrate, reducing thermal contact resistance, thereby improving heat dissipation performance; additionally, the aluminum substrate is not used, so that no additional pressing strip is required to press the aluminum substrate, thereby reducing the complexity of installation, and reducing the installation space required for the power device.

A capacitor assembly includes a traction inverter system housing and a set of power electronics defining two or more contacts, the set of power electronics mounted within the traction inverter system housing. A capacitor housing containing a capacitor is mounted within the traction inverter system housing. The capacitor includes two or more terminals extending outwardly therefrom and overlapping the two or more contacts. A terminal block is secured to the capacitor housing independent of attachment of the two or more contacts to the two or more terminals. The terminal block is configured to support the two or more terminals during a fastening operation attaching the two or more terminals to the two or more contacts. The terminal block may also be secured to the capacitor housing.

An electric circuit body includes a semiconductor device incorporating a semiconductor element by sealing with a sealing material and having a heat dissipating surface for dissipating heat of the semiconductor element, the heat dissipating surface being formed on at least one surface, a cooling member disposed facing the heat dissipating surface of the semiconductor device and configured to cool the semiconductor element, and a heat conduction member disposed between the semiconductor device and the cooling member, wherein a terminal connected to the semiconductor element protrudes out from at least one side surface of the semiconductor device, and a first interval between the sealing material and the cooling member on the one side surface of the semiconductor device from which the terminal is protruded is narrower than a second interval between the sealing material and the cooling member on the other side surface of the semiconductor device from which the terminal is not protruded.

The invention belongs to the technical field of semiconductors, and discloses a multi-loop vertical commutation type low-parasitic-parameter three-level power semiconductor module which is suitable for a three-level ANPC topology and comprises a three-level power module composed of six switch tubes S1 to S6, and the module has three bus levels of positive level, zero level and negative level; wherein the zero level is divided into two types, the zero level can be switched with a positive level or a negative level to form four types of commutation loops, the four types of commutation loops comprise two small commutation loops and two large commutation loops, and the module structure design is used for suppressing parasitic inductance in the commutation loops; the multi-loop low-inductance integration of the three-level ANPC module is realized; the method is suitable for various packaging schemes, including PCB-on-DBC packaging, DBC substrate welding / sintering packaging and embedded packaging. Taking the packaging of the half-bridge module three-dimensional stacked PCB-on-DBC as an example, integration of low thermal resistance and high power density is realized.

The electric-power conversion apparatus comprises: switching devices each permitting a current to flow therethrough or shutting off that current; a device temperature detector that detects a temperature of one or more of the switching devices; a cooler that cools down the switching devices; a cooling-medium state detector that detects a state of a cooling medium passing through the cooler; and a control unit that controls the switching devices to perform electric-power conversion, and performs overheat prevention control of the switching devices; wherein the control unit determines a temperature threshold value for judging whether the overheat prevention control is necessary or not, on the basis of the state of the cooling medium detected by the cooling-medium state detector, and performs the overheat prevention control by restricting operations of the switching devices, when the temperature detected by the device temperature detector is higher than the temperature threshold value.

A power semiconductor module may comprise a common drain pad, a first power semiconductor device on a first region of the common drain pad, a second power semiconductor device on a second region of the common drain pad, a molding layer surrounding lateral parts of the first power semiconductor device and the second power semiconductor device on a peripheral region of the common drain pad, a common gate pad on the first power semiconductor device and the second power semiconductor device, and a source pad on the first power semiconductor device and the second power semiconductor device. The source pad may surround at least two outer lateral parts of the common gate pad.

A system includes an inverter configured to convert DC power from a battery to AC power to drive a motor, wherein the inverter includes: a power module, the power module including a thermistor assembly, the thermistor assembly including: a conductive layer including a trench; a thermistor connected to the conductive layer and disposed across the trench; and a first height control feature between the conductive layer and the thermistor.

The power conversion device includes: a DC-DC converter unit including a transformer having a coil substrate where a primary side coil is formed and a bus bar forming a secondary side coil, and converting a voltage of DC power input from a DC power supply into a different voltage; and a cooling portion where a cooling flow path through which a cooling liquid flows is provided and the DC-DC converter unit is disposed. The bus bar of the transformer has a cooling portion side fixed portion fixed to the cooling portion provided with the cooling flow path.