Abstract: A power integrated module, including at least one first bridge formed in a chip, wherein the first bridge includes: a first upper bridge switch, formed by a plurality of first sub switches formed in the chip connected in parallel, and including a first, a second and a control end; a first lower bridge switch, formed by a plurality of second sub switches formed in the chip connected in parallel, and including a first, a second and a control end; a first electrode, connected to the first end of the first upper bridge switch; a second electrode, connected to the second end of the first lower bridge switch; and a third electrode, connected to the second end of the first upper bridge switch and the first end of the first lower bridge switch, wherein the first, the second and the third electrode are bar-type electrodes arranged side by side.

Abstract: The present disclosure discloses a gate voltage control circuit of an IGBT and a control method thereof. The gate voltage control circuit of the IGBT comprises a voltage control circuit, an active clamping circuit and a power amplifier circuit. A control voltage outputted by the voltage control circuit indirectly controls a gate voltage of the IGBT, so as to achieve a better control of the gate voltage of the IGBT with a smaller loss. It may prevent the active clamping circuit from a too-early response and may increase the active clamping circuit response speed; and may avoid the voltage oscillation of the collector-emitter voltage Vce and the gate voltage Vge, and may improve the reliability of the IGBTs connected in series.

Abstract: The present disclosure provides an alternatingly-switched parallel circuit, an integrated power module and an integrated power package. The alternatingly-switched parallel circuit includes a first bridge arm and a second bridge arm at least partly formed in a chip containing a plurality of first cell groups and a plurality of second cell groups The plurality of first cell groups are configured to form the first upper bridge-arm switch and the plurality of second cell groups are configured to form the second upper bridge-arm switch, or the plurality of first cell groups are configured to form the first lower bridge-arm switch and the plurality of second cell groups are configured to form the second lower bridge-arm switch. The plurality of first cell groups and the plurality of second cell groups are switched on and off alternatingly.

Abstract: The present disclosure provides a power adapter, which includes a cover and electronic components. The cover includes an upper casing, which is provided with a protruding part on an inner sidewall thereof, and a lower casing, which fits with the upper casing to form an accommodating chamber. The sidewalls of the lower casing and the protruding part are fitted and then connected together, and the electronic components are disposed in the accommodating chamber.

Abstract: The present disclosure provides a magnetic component including a winding, a first magnetic core and a circuit component, and a wireless power-transferring device including the magnetic component. The winding is formed by winding a coil, and having a first penetration portion at a middle portion of the winding. The first magnetic core is disposed at a side of the winding, and a first insulating support portion is disposed between the first magnetic core and the winding. The circuit component is located within the first penetration portion and electrically connected with the winding. Disposing the circuit component within the first penetration portion at the middle portion of the winding can effectively save space.

Abstract: The present disclosure provides a wireless power transmitting module and an installation method thereof, wherein the wireless power transmitting module comprises: an insulating bracket, a first side of which has a first central space; a coil, disposed around the first central space; and a circuit component, at least a part of which is located in the first central space, electrically connected to the coil. The present disclosure makes full use of the central blank space of the coil, and places the circuit component at the center of the coil, thereby realizing a miniaturized structure, improving space utilization and greatly reducing volume.

Abstract: A method for measuring sensorless brushless-DC motor load, adapted to a home appliance, including: accelerating, through the use of a driving circuit, a BLDC motor from an initial rotational speed to a first rotational speed; disabling, through the use of a control circuit, the driving circuit; obtaining, through the use of a detecting circuit, phase voltage information corresponding to each phase of the BLDC motor when the BLDC motor is decelerated from the first rotational speed to a second rotational speed; obtaining, through the use of the control circuit, a first time period during which the BLDC motor decelerates from the first rotational speed to the second rotational speed according to at least one piece of the phase voltage information; obtaining, through the use of the control circuit, a first predicted weight of a load according to the first time period and a first lookup table.

Abstract: A converter module includes: a system board; and an isolated rectifier unit connected with the system board via at least one pin, the isolated rectifier unit including: a system board; a circuit module; and an isolated rectifier unit arranged adjacent to the circuit module and connected with the system board; wherein the isolated rectifier unit includes: a magnetic core comprising at least one core column parallel to the system board and two cover plates provided at both ends of the core column; and multiple carrier board units provided between the two cover plates and perpendicular to the system board, wherein each of the carrier board units comprises at least one via hole, at least one primary winding, at least one secondary winding and at least one switch connected with the at least one secondary winding.

Abstract: The present application relates to a method and a switch control arrangement for controlling a switch (107.1-107.4) of a bridge circuit, where the bridge circuit comprises a first and a second input terminal (102.1, 102.2) for connecting a power source (103), a first branch (104) connected between the first and the second input terminal (102.1, 102.2) and including a first section (108.1) between the first input terminal (102.1) and a centre tap (117.1) and including a second section (108.2) between the centre tap (117.1) and the second input terminal (102.2), where the first section (108.1) includes a first switch (107.1) and the second section (108.2) includes a second switch (107.2). The method comprises the steps of determining a measured value by measuring a current flowing in one of the two sections (108.1, 108.2) or measuring a voltage across one of the two sections (108.1, 108.

Abstract: An insulated housing, in a cylindrical structure, includes an inner metal layer, an insulating layer and an outer metal coating. The insulating layer is positioned between the inner metal layer and the outer metal coating. In any end of the cylindrical structure, both a distance from the end of the inner metal layer to the end of the cylindrical structure and a distance from the end of the outer metal coating to the end of the cylindrical structure are not equal to zero, and the distance from the end of the inner metal layer to the end of the cylindrical structure is larger than the distance from an end of the outer metal coating to the end of the cylindrical structure. The inner metal layer is composed of one first metal cylinder and two second metal cylinders respectively disposed on the both ends of the first metal cylinder.

Abstract: An inverter box structure includes an inverter accommodating box of an inverter circuit and a junction box. A first quick connector, disposed on the inverter accommodating box, includes a first connection end and a second connection end. The first connection end of the first quick connector is electrically with the inverter circuit. A second quick connector, disposed on the junction box or in the junction box, includes a third connection end and a fourth connection end. The third connection end of the second quick connector is connected to an inner wire of the junction box. A casing of the inverter accommodating box equipped with the first quick connector is opposite to a casing of the junction box equipped with the second quick connector, and the second connection end of the first quick connector matches with and is electrically connected to the fourth connection end of the second quick connector.

Abstract: A mobile high voltage generating device for providing power to an X-ray apparatus, includes a power supply unit including a battery and an isolated DC-DC converter electrically coupled with the battery; an energy storage unit, electrically coupled to the isolated DC-DC converter of the power supply d a voltage conversion unit coupled between the energy storage unit and a radiation source of the X-ray apparatus; wherein the isolated DC-DC converter includes: a first inverter circuit coupled to a battery, a first rectifier circuit coupled to the energy storage unit, a first transformer including a primary winding and a secondary winding. The primary winding is coupled to the first inverter circuit and the secondary winding is coupled to the first rectifier circuit.

Abstract: The present disclosure relates to a method and apparatus for charging and discharging. The apparatus includes: an AC power terminal, including first to third nodes, and a first center line node, and being configured to receive input an AC input or send an AC output; a power conversion stage, including fourth to sixth nodes, and a second center line node; a first bus capacitor and a second bus capacitor both coupled to the second center line node, the first center line node being coupled to the second center line node; a first switch set; a second switch set; a control module, coupled to the first switch set, the second switch set, the AC power terminal, and the power conversion stage.

Abstract: A drive circuit of a power semiconductor switch includes: a pulse modulation circuit having a first terminal configured to receive a fault signal, an isolation transformer, and a pulse demodulation circuit; when there is no fault signal being received, the pulse modulation circuit outputs a first turn on pulse signal and a first turn off pulse signal via the isolation transformer and the pulse demodulation circuit to charge/discharge a gate capacitor of the power semiconductor switch, so as to drive the power semiconductor switch to be turned on and turned off at a first speed; when the fault signal is received, the pulse modulation circuit outputs a second turn off pulse signal via the isolation transformer and the pulse demodulation circuit to discharge the gate capacitor of the power semiconductor switch, so as to drive the power semiconductor switch to be turned off at a second speed.

Abstract: The present disclosure relates to the technical field of power electronics, and provides a power supply system, including: a high-voltage input power distribution cabinet, a high-low voltage conversion cabinet, and a low-voltage output and control cabinet, wherein the high-low voltage conversion cabinet is provided with at least one high-voltage chamber and at least one low-voltage chamber, the high-low voltage conversion cabinet is further provided with an insulating partition between the high-voltage chamber and the low-voltage chamber, the low-voltage chamber is provided with a low-voltage bus bar, and the high-voltage chamber is provided with a high-voltage bus bar; the high-low voltage conversion cabinet is further provided with a plurality of power supply modules, and each of the power supply modules bridges the high-voltage chamber and the low-voltage chamber, the power supply module includes a high-voltage cavity, a low-voltage cavity and an isolation unit.

Abstract: A direct current power supply system includes at least one first input source, a second input source, a phase shifting transformer set, a rectifier set and a monitoring module. The phase shifting transformer set is for converting a medium voltage alternating current of the first input source and/or the second input source to a low voltage alternating current. The rectifier set is for rectifying the low voltage AC to a low voltage DC. The phase shifting transformer set and the rectifier set are disposed either in a power supply housing, or in two adjacent power supply housings. The monitoring module includes a phase shifting transformer monitoring unit for retrieving at least one of temperature data, voltage data and current data of the phase shifting transformer set and a rectifier monitoring unit for retrieving at least one of temperature data, voltage data and current data of the rectifier set.

Abstract: A plug device for plugging in at least two optical modules is provided, wherein the plug device is disposed in a housing and includes a first circuit board, a first connecting module, and a movable module. The first connecting module includes a plurality of electrical connectors, and the movable module includes a plate, at least one frame, and at least one joining member. The electrical connectors are disposed on the first circuit board. The frame is connected to the plate and has a plurality of accommodating portions. The optical modules can be respectively accommodated in the accommodating portions. The plate can be affixed to or separated from the housing by the joining member.

Abstract: The present disclosure relates to a DC converter, a DC converter group and a method of connecting the DC converter group. The DC converter includes a DC conversion circuit converting a DC input voltage into a DC output voltage, and a filter module electrically coupled to an input end and an output end of the DC conversion circuit. The filter module includes an input inductor component electrically coupled to the input end of the DC conversion circuit, and an output inductor component electrically coupled to the output end of the DC conversion circuit, wherein the input inductor component and the output inductor component share the same magnetic core.

Abstract: A method of charging a battery and a system using the same are provided. The method includes: detecting a terminal voltage of a battery; When the terminal voltage is less than a voltage threshold, performing quick charging which includes: calculating a rising rate of the terminal voltage, comparing the rising rate with a rising rate reference value, and controlling the terminal voltage according to the comparison result; and when the terminal voltage is not less than the voltage threshold, performing low current floating charging which includes: intermittently charging the battery by a predetermined floating charging period, calculating a falling rate of the terminal voltage, comparing the falling rate with a falling rate reference value, controlling the terminal voltage according to the comparison result, in a first time duration of the floating charging period, and suspending charging in a second time duration of the floating charging period.

Abstract: A modular power supply system is configured to include: a main controller, configured to output a mam control signal; N local controllers, wherein each of the local controllers is configured to receive the main control signal to output at least one local control signal; N auxiliary power supplies, in one-to-one correspondence with the N local controllers, wherein each of the auxiliary power supplies is configured to provide power to the corresponding local controller; and N power units, in one-to-one correspondence with the N local controllers, wherein each of the power units includes a first end and a second end, the second end of each of the power units is connected to the first end of an adjacent one of the power units, each of the power units is configured to include M power converters, each of the power converters is configured to operate according to the local control signal.