Abstract: An electronics assembly used in a vehicle included a printed circuit board (PCB) having a first side and a second side; a plurality of electrical components mounted on the first side of the PCB; a heat sink, configured to receive cooling fluid from a source, positioned adjacent to the second side of the PCB; and a cooling fluid conduit, configured to communicate the cooling fluid from a fluid inlet to a fluid outlet, wherein the cooling fluid conduit is positioned adjacent to the first side of the PCB and directly contacts an outer surface of the electrical components.

Abstract: An electronics assembly used in a vehicle included a printed circuit board (PCB) having a first side and a second side; a plurality of electrical components mounted on the first side of the PCB; a heat sink, configured to receive cooling fluid from a source, positioned adjacent to the second side of the PCB; and a cooling fluid conduit, configured to communicate the cooling fluid from a fluid inlet to a fluid outlet, wherein the cooling fluid conduit is positioned adjacent to the first side of the PCB and directly contacts an outer surface of the electrical components.

Abstract: An electronics assembly used in a vehicle included a printed circuit board (PCB) having a first side and a second side; a plurality of electrical components mounted on the first side of the PCB; a heat sink, configured to receive cooling fluid from a source, positioned adjacent to the second side of the PCB; and a cooling fluid conduit, configured to communicate the cooling fluid from a fluid inlet to a fluid outlet, wherein the cooling fluid conduit is positioned adjacent to the first side of the PCB and directly contacts an outer surface of the electrical components.

Abstract: An electric power dissipater assembly for an electrically-actuated turbocharger that includes: a power switch configured to be electrically connected to an electric power output of an electrically-actuated turbocharger; at least one resistor that is electrically connected to the power switch such that, when the power switch is in a closed position and connected to the electric power output, the at least one resistor is electrically coupled to the electric power output so that electric power provided by the electrical power output is received at and dissipated by the at least one resistor; a controller that controls whether the power switch is in the closed position or an open position; and a substrate that is physically coupled to the at least one resistor and that includes a coolant path that is used to cool the at least one resistor when coolant is received within the coolant path.

Abstract: A printed circuit board (PCB) including a first side and a second side; a conductive layer within the PCB between the first side and the second side; one or more first side electrical components that are physically attached to the first side and electrically connected to the conductive layer; one or more second side electrical components attached to the second side of the PCB and electrically connected to the conductive layer; and a thermally and electrically insulating dielectric layer, within the PCB between the first side electrical components and the second side electrical components, that prevents heat emitted by the first side electrical components from increasing the temperature of the second side electrical components.

Abstract: An electric power dissipater assembly for an electrically-actuated turbocharger that includes: a power switch configured to be electrically connected to an electric power output of an electrically-actuated turbocharger; at least one resistor that is electrically connected to the power switch such that, when the power switch is in a closed position and connected to the electric power output, the at least one resistor is electrically coupled to the electric power output so that electric power provided by the electrical power output is received at and dissipated by the at least one resistor; a controller that controls whether the power switch is in the closed position or an open position; and a substrate that is physically coupled to the at least one resistor and that includes a coolant path that is used to cool the at least one resistor when coolant is received within the coolant path.

Abstract: An electrical power distribution system includes a plurality of circuit protection devices coupled between an electrical power source and a plurality of electrical loads. Each circuit protection device includes a trip unit, a network interface communicatively coupled to a communication network including the circuit protection devices, a processor, and a memory. The memory stores instructions that, when executed by the processor, cause the processor to store test operational parameters associated with the circuit protection device, receive a test message including test data representing an electrical condition in the electrical power distribution system, adjust the test operational parameters based on the test data to simulate a response of the trip unit to the electrical condition, generate circuit protection data based on the test data and the adjusted set of test operational parameters, and transmit the circuit protection data to at least one of the communication network and a remote access device.

Abstract: A power electronics assembly that controls an electrically-actuated turbocharger includes a printed circuit board (PCB) having a non-conductive substrate supporting one or more electrical components that attach to the non-conductive substrate on one or more sides of the PCB; one or more conductive layers that couple with the non-conductive substrate and conduct electrical current within the PCB; a fluid barrier layer applied to an outer surface of the non-conductive substrate or conductor layer; and a PCB housing, configured to couple with the electrically-actuated turbocharger, having a fluid cavity that communicates liquid from an internal combustion engine (ICE) to the fluid barrier layer separating the liquid and the PCB.

Abstract: A method for monitoring and controlling IGBT temperature in a power converter of an electrical power system includes generating a plurality of temperature signals from a plurality of switching devices via a plurality of temperature sensors. The method also includes selecting a primary switching device from the plurality of switching devices to estimate a primary temperature thereof. Further, the method includes determining the primary temperature of the primary switching device via a temperature measurement circuit communicatively coupled to the primary switching device. Moreover, the method includes comparing remaining temperature signals (or a function thereof) to the primary temperature via at least one comparator circuit. If one of the remaining temperature signals (or the function thereof) exceeds the primary temperature, the method also includes implementing a control action to address the increased temperature.

Abstract: A power electronics assembly that controls an electrically-actuated turbocharger includes a printed circuit board (PCB) having a non-conductive substrate supporting one or more electrical components that attach to the non-conductive substrate on one or more sides of the PCB; one or more conductive layers that couple with the non-conductive substrate and conduct electrical current within the PCB; a fluid barrier layer applied to an outer surface of the non-conductive substrate or conductor layer; and a PCB housing, configured to couple with the electrically-actuated turbocharger, having a fluid cavity that communicates liquid from an internal combustion engine (ICE) to the fluid barrier layer separating the liquid and the PCB.

Abstract: An electrical power distribution system includes a plurality of circuit protection devices coupled between an electrical power source and a plurality of electrical loads. Each circuit protection device includes a trip unit, a network interface communicatively coupled to a communication network including the circuit protection devices, a processor, and a memory. The memory stores instructions that, when executed by the processor, cause the processor to store test operational parameters associated with the circuit protection device, receive a test message including test data representing an electrical condition in the electrical power distribution system, adjust the test operational parameters based on the test data to simulate a response of the trip unit to the electrical condition, generate circuit protection data based on the test data and the adjusted set of test operational parameters, and transmit the circuit protection data to at least one of the communication network and a remote access device.

Abstract: A printed circuit board (PCB) including a first side and a second side; a conductive layer within the PCB between the first side and the second side; one or more first side electrical components that are physically attached to the first side and electrically connected to the conductive layer; one or more second side electrical components attached to the second side of the PCB and electrically connected to the conductive layer; and a thermally and electrically insulating dielectric layer, within the PCB between the first side electrical components and the second side electrical components, that prevents heat emitted by the first side electrical components from increasing the temperature of the second side electrical components.

Abstract: A method of operating an electrical power distribution system including a plurality of circuit protection devices and an additional circuit protection device communicatively coupled by a communications network is described. The method includes transmitting, by each circuit protection device of the plurality of circuit protection devices, an electrical current communication to the communication network, the electrical current communication including an indication of an electrical current detected by the transmitting circuit protection device formatted according to a network communication protocol of the communication network. The additional circuit protection device receives the electrical current communications from the plurality of circuit protection devices and determines, based on the received electrical current communications, whether a ground fault condition exists in the electrical power distribution system.

Abstract: There are provided methods and apparatuses for authenticating components in an electric machine. For example, there is provided a method for authenticating parts of an electric machine. The method includes fetching, using a controller, identification data associated with a set of parts and performing a first verification step on the identification data, for each part in the set. The method further includes performing a second verification step on the identification data, in response to the first verification step being successful. The second verification step includes comparing the identification data with data from a database that includes identification information associated with manufactured parts. Furthermore, the method includes, in response to one of the first verification step and the second verification step being unsuccessful, a command to disable the electric machine.

Abstract: An example electrical power distribution system includes a plurality of circuit protection devices coupled between an electrical power source and a plurality of electrical loads. Each circuit protection device includes a trip unit, a network interface, a processor, and a memory. The trip unit is configured to selectively trip to prevent a flow of electrical current through said circuit protection device. The network interface is communicatively coupled to a communication network including the plurality of circuit protection devices. The memory stores instructions that, when executed by the processor, cause the processor to transmit, using the network interface, circuit protection device data to the network. The circuit protection device data is formatted according to a network communication protocol of the communication network.

Abstract: A method of operating an electrical power distribution system including circuit protection devices is disclosed. Each circuit protection device includes a network interface, a processor, and a memory device. The method includes transmitting, by each device of the plurality of circuit protection devices, a network communication signal to the communication network. An approximate physical distance between the circuit protection devices is determined based at least in part on a characteristic of the network communication signals. A maintenance mode of each circuit protection device of a subset of the circuit protection devices is enabled in response to enablement of a maintenance mode of one circuit protection device of the plurality of circuit protection devices. The subset of the circuit protection devices is determined at least in part by the approximate physical distance of the circuit protection devices from the maintenance mode enabled one circuit protection device.

Abstract: A printed circuit board (PCB) includes a first aluminum layer, having a first thickness, electrically insulated with a coating of alumina applied to a surface of the first aluminum layer; a second aluminum layer, having a second thickness that is different than the first thickness, insulated with a coating of alumina applied to a surface of the second aluminum layer; and a conductive layer bonded to the coating of alumina on the first aluminum layer, the coating of alumina on the second aluminum layer, or both.

Abstract: A method for monitoring and controlling IGBT temperature in a power converter of an electrical power system includes generating a plurality of temperature signals from a plurality of switching devices via a plurality of temperature sensors. The method also includes selecting a primary switching device from the plurality of switching devices to estimate a primary temperature thereof. Further, the method includes determining the primary temperature of the primary switching device via a temperature measurement circuit communicatively coupled to the primary switching device. Moreover, the method includes comparing remaining temperature signals (or a function thereof) to the primary temperature via at least one comparator circuit. If one of the remaining temperature signals (or the function thereof) exceeds the primary temperature, the method also includes implementing a control action to address the increased temperature.

Abstract: A circuit protection device for an electrical distribution system includes a trip unit, a network interface, a processor, and a memory device. The trip unit is configured to selectively trip to prevent a flow of electrical current through the circuit protection device. The network interface is configured for communicative coupling to a communication network. The memory device stories instructions that, when executed by the processor, cause the processor to transmit, using the network interface, zones selective interlocking (ZSI) data to another circuit protection device coupled to the communication network. The ZSI data is formatted according to a network communication protocol of the communication network.

Abstract: There are provided methods and apparatuses for authenticating components in an electric machine. For example, there is provided a method for authenticating parts of an electric machine. The method includes fetching, using a controller, identification data associated with a set of parts and performing a first verification step on the identification data, for each part in the set. The method further includes performing a second verification step on the identification data, in response to the first verification step being successful. The second verification step includes comparing the identification data with data from a database that includes identification information associated with manufactured parts. Furthermore, the method includes, in response to one of the first verification step and the second verification step being unsuccessful, a command to disable the electric machine.