40 results about "Power added" patented technology

An apparatus is provided which comprises at least one processor, and at least one memory storing instructions that, when executed by the at least one processor, cause the apparatus at least to: receive a carrier wave transmission modulated by an ambient internet of things device in an ambient internet of things session, determine whether a received power of the carrier wave transmission is below a predetermined threshold; and in response to determination that the received power is below the predetermined threshold, prepare a notification requesting to control at least one carrier wave transmission characteristic such that the received power is increased, and transmit the notification to a carrier wave provider transmitting the carrier wave transmission or to a session control unit controlling the ambient internet of things session.

The invention belongs to the technical field of direct-current power transmission of a power system, and provides a large-scale new energy cluster black-start steady-state control method and system, and the method comprises the steps: unlocking a receiving-end MMC when the capacitor voltage of a half-bridge sub-module is consistent with the capacitor voltage of a full-bridge sub-module, and unlocking a sending-end MMC after the charging of all sub-module capacitors is completed, the DC voltage of the sending end MMC is adjusted based on the cooperative control of the new energy unit and the sending end MMC, when the DC voltage is adjusted to 0, the DC voltage is adjusted to 1.05 p.u. Based on the receiving end hybrid MMC, the diode uncontrolled rectification is successfully input, the DC voltage is adjusted to a rated value from 1.05 p.u. Based on the receiving end MMC, the power of the new energy station is increased, and the power of the new energy station is increased. And black start is completed until the large-scale new energy cluster sending-out topology recovers normal operation, the sending-end hybrid MMC operates at constant zero direct-current voltage by adjusting the alternating-current voltage amplitude of the new energy station, and black start steady-state control is completed.

The invention relates to a two-dimensional spatial multiplexing multi-path synthesis power amplifier circuit, which comprises an input power division network for distributing signals to each path of two-dimensional spatial multiplexing module for signal amplification; the two-dimensional space multiplexing module is used for placing the adjacent multi-path amplifying units or transmitting units in the same area, so that m * N paths of amplifying units or transmitting units are realized in N paths of areas, power synthesis miniaturization is realized, and signals are sent to an output synthesis network; and the output synthesis network is connected with the outputs of the two-dimensional spatial multiplexing modules, and outputs the output signals after power synthesis. Compared with a conventional power synthesis technical scheme, the area is more compact, the output power can be doubled under the same area, or the area is saved by 50% under the same output power, the on-chip power synthesis implementation cost can be greatly reduced, the design is simpler and more convenient through mutual decoupling of parameters of the embedded transformer and the peripheral transformer, and the power synthesis efficiency is improved. The design efficiency is improved.

Various embodiments of the present application are directed towards a group III-V device including a rough buffer layer. The rough buffer layer overlies a silicon substrate, a buffer structure overlies the rough buffer layer, and a heterojunction structure overlies the buffer structure. The buffer structure causes band bending and formation of a two-dimensional hole gas (2DHG) in the rough buffer layer. The rough buffer layer includes silicon or some other suitable semiconductor material and, in some embodiments, is doped. A top surface of the rough buffer layer and / or a bottom surface of the rough buffer layer is / are rough to promote carrier scattering along the top and bottom surfaces. The carrier scattering reduces carrier mobility and increases resistance at the 2DHG. The increased resistance increases an overall resistance of the silicon substrate, which reduces substrate loses and increases a power added efficiency (PAE).

The utility model provides a kind of control system and superconducting magnet of superconducting magnet, and the intermediate node of the current drop resistor in its current drop circuit is connected to one end of the current drop resistor by second switch, and the resistance in current drop circuit can be adjusted by controlling the state of second switch, when quench protection, open second switch, maximize current drop power;When the current of coil is current drop adjusted, control second switch is closed, reduce current drop power, adapt current drop adjustment demand, and response is fast.The superconducting magnet of the utility model can provide a variety of different current drop power, increase the regulation and control precision when superconducting magnet coil is abnormal or quench, can effectively improve work stability and monocrystalline silicon crystal pulling quality.

A power module comprises a circuit board frame, a ceramic-based circuit board and a lower-layer circuit board which are welded into a whole through bonding pads. The ceramic-based circuit board further comprises two or more than two wafers in one group, and bottom surface bonding pads of the two or more than two wafers are welded on the top circuit layer of the lower circuit board, correspondingly connected with one group of bonding pads on the top circuit layer of the lower circuit board and located in a space defined by the circuit board frame, the ceramic-based circuit board and the lower circuit board. By adopting a ceramic-based circuit board, a wafer is packaged in a module by using a laminated circuit board; the ceramic-based circuit board is adopted, so that the heat of the wafer can be transferred out more quickly, and the working power of the module is improved; the cushion block is added, so that the thickness of the module can be flexibly adjusted to adapt to the thickness of a wafer, the process requirement of the circuit board frame is reduced, and the production stability is improved.

Redundant mechatronic system, wherein: - the redundant mechatronic system (2) is designed as a two-channel system and is connected or connectable to a mechanical arrangement for the delivery of varying mechanical power, - both channels each have a power supply (12.1, 12.2) or a common power supply is connected upstream of both channels, - both channels each contain a control circuit (11.1, 11.2) and are controllable by means of at least one control unit (13), - the control unit (13) acts on the control circuits (11.1, 11.2) such that the control circuits (11.1, 11.2) each switch an electrical power specified by the control unit (13) and obtained from the power supply (12.1, 12.2) to each winding set (10.1, 10.2) of at least one electrically operated actuator in order to generate the mechanical power, - the two channels are operated in parallel during normal operation. suchthat each channel provides half of the currently available mechanical power, - each of the two channels is designed such that, in the event of failure of the other channel, it alone provides the maximum mechanical power required to fulfill a function of the mechanical arrangement, wherein the redundant mechatronic system (2) has arrangements connected to the control unit (13) by means of which overloads in the channels and / or the components of the channels and / or in the mechanical arrangement can be detected by the control unit (13), - when an overload is detected by means of the control unit (13), a reduction factor (Rf) counteracting the overload can be determined and applied by means of the control unit (13), - the reduction factor (Rf) is dimensioned such that, when the reduction factor (Rf) is applied by the control unit (13), the maximum available system power of both channels is sufficient to fulfill the function,- the channel power can be controlled by the control unit (13) using the reduction factor (Rf) as a control variable, such that the respective current channel power counteracts the overload, characterized in that, by means of the control unit (13) of the redundant mechatronic system (2), the reduction factor (Rf) can be set in the mechanical arrangement when an overload occurs, such that when applied by the control unit (13), the power is reduced in one channel and increased in the other channel by the same amount, alternating over time.

The invention relates to a power amplifier, in particular to a bipolar power amplifier and a preparation method thereof. Comprising a P-type substrate, and a plurality of N + type buried layers are arranged on the upper surface of the P-type substrate; the upper surface of the P-type substrate is provided with a plurality of first P + expansion regions and an N-type epitaxial layer located on the surface of the P-type substrate and the upper surface of the N + type buried layer; a second P + expansion region and a first N + expansion region are arranged on the upper surface of the N-type epitaxial layer; a second N + expansion region is arranged on the upper surface of the second P + expansion region; silicon dioxide layers are arranged on the upper surfaces of the first P + expansion region, the second P + expansion region, the N-type epitaxial layer, the first N + expansion region and the second N + expansion region; a plurality of wiring terminals are arranged on the surface of the silicon dioxide layer, and the lower end faces of the wiring terminals penetrate through the silicon dioxide layer and are connected with the second P + expansion area, the second N + expansion area and the first N + expansion area respectively. The high-frequency efficiency of the power amplifier can be improved from 65% to 80%, and the output power is increased by 30%.

The present invention provides a better power supply system, a mobile device having a better power supply system, a method for controlling a better power supply system, and a program for causing a computer to execute the method for controlling a better power supply system. [Solution] In the power supply system 10, when the supply of DC power from the first power generator 14a to the first power supply circuit 18a is interrupted, the control device 30 performs a first power suppression control on the first inverter 15a to reduce the power supplied to the first motor 17a from the first inverter 15a to less than the power supplied to the first power supply circuit from the first power generator before the interruption occurred, and performs a second power increase control on the second inverter 15b to increase the power supplied to the first motor from the second inverter 15b to more than the power supplied to the first power supply circuit from the first power generator before the interruption occurred.

The application provides a loader control method, system, loader, electronic equipment and storage medium, and belongs to the technical field of loaders, wherein the control method comprises the following steps: after the loader enters an obstacle removal mode, adjusting the boom angle and the bucket angle of the loader to a target boom angle and a target bucket angle respectively; acquiring the hydraulic oil pressure of the loader; determining the resistance suffered by the bucket in the direction parallel to the road surface based on the target boom angle, the target bucket angle and the hydraulic oil pressure; when the resistance is greater than a critical resistance, providing an upward force perpendicular to the road surface to the bucket to reduce the resistance to less than or equal to the critical resistance. The application is used to solve the defects in the prior art that the output power of the engine increases, the bucket is severely worn and the obstacle removal function does not achieve the expected effect when the loader is used to remove obstacles on the road surface, because the influence of factors such as sand accumulation and road undulation on the resistance of the bucket in the horizontal direction of the road surface is not considered.

The utility model relates to a power supply additional control system, which is additionally arranged on one side of a direct current bus of a power supply load side current converter and is characterized in that an unloading circuit is used for dissipating excess energy; the signal acquisition circuit is used for detecting power and current on two sides of the load side current converter; the unloading circuit control circuit comprises a logic control and protection module which is used for generating an additional control signal to control a pulse generation module based on a direct current bus current and a load side current value acquired by signals, generating a trigger signal based on a power deviation between an acquired direct current bus power and a load side power, and outputting the trigger signal. And in combination with an additional control signal output by the logic control and protection module, an unloading circuit control signal is output so as to control the switching of the unloading circuit. Compared with the prior art, the control circuit generates signals to control the switching of the unloading circuit, so that redundant power is dissipated, the load side converter is protected from being impacted by large current, the power supply is prevented from being damaged by faults, and the service life of electronic components is prolonged.

This application relates to the field of charging system technology, specifically to a charging host, charging device, device controller, and power distribution control method. The charging host includes a power bus, a switch matrix, a switch controller, and a control module. Switches are connected to two corresponding power buses, and each switch in one switch matrix is ​​connected to two power buses belonging to different power units. Each switch controller is connected to a corresponding switch matrix. The control module sends corresponding switch control signals and bus charging enable signals to at least one switch controller. The switch controller performs interlock logic judgment on the switch control signals based on the bus charging enable signal; when the interlock logic is met, it controls the specified switch in the switch matrix to perform a switching operation. Through the above configuration, the charging host of this application increases the maximum output power of a single power unit and avoids abnormal series connection between power buses.

This invention relates to a power supply auxiliary control system. The system adds the following components to the DC bus side of the power supply load-side converter: a load unloading circuit for dissipating excess energy; a signal acquisition circuit for detecting power and current on both sides of the load-side converter; and a load unloading circuit control circuit including: a logic control and protection module that generates an auxiliary control signal based on the acquired DC bus current and load-side current values; and a control pulse generation module that generates a trigger signal based on the power deviation between the acquired DC bus power and load-side power, and, combined with the auxiliary control signal output from the logic control and protection module, outputs a load unloading circuit control signal to control the switching of the load unloading circuit. Compared with existing technologies, this invention dissipates excess power by generating a signal through the control circuit to control the switching of the load unloading circuit, protecting the load-side converter from high-current surges, preventing power supply failures and extending the lifespan of its electronic components.

An active heat dissipation power module comprises a lower layer circuit board which is composed of a lower layer circuit board bottom layer circuit layer, a lower layer circuit board ceramic substrate layer and a lower layer circuit board top layer circuit layer. The circuit board also comprises a group of two or more than two MOS tubes or IGBTs, and the group of two or more than two MOS tubes or IGBTs are welded on the bottom circuit layer of the lower circuit board. The upper-layer circuit board is composed of an upper-layer circuit board circuit layer and an upper-layer circuit board ceramic substrate layer; the circuit board further comprises two or more pairs of P-type and N-type semiconductor pairs, and the two ends of the P-type and N-type semiconductors are welded to the top circuit layer of the lower circuit board and the circuit layer of the upper circuit board respectively. The semiconductor refrigeration device is integrated on the power module of a group of MOS (Metal Oxide Semiconductor) tubes or IGBTs (Insulated Gate Bipolar Translator), so that heat generated when the group of MOS tubes or IGBTs works can be actively dissipated, the working efficiency and the power of the power module are improved, and the working duration and the reliability of the group of MOS tubes or IGBTs are increased.

The application relates to the fields of microelectronic, semiconductor and communication technology, and particularly relates to a low-power high-power low-noise amplifier circuit based on a gain expansion effect, which comprises a bias circuit with a gain expansion effect; in the case of keeping low power consumption, the output power is linearly increased with the increase of input power due to the gain expansion effect, so that the output 1dB compression point is improved; wherein a radio frequency signal enters from a radio frequency signal input end, is amplified by an amplifier module, and is finally output from a radio frequency signal output end; the bias circuit with the gain expansion effect provides bias for the amplifier module, so that compared with the prior art, the application can provide a high output 1dB compression point while ensuring the low power consumption performance of the circuit.

This distortion compensation device is disposed between a transmission signal generation unit (1) and a high-frequency power amplifier (4). The distortion compensation device is provided with: a low-regrowth transmission signal generation unit (21) to which a transmission signal from the transmission signal generation unit (1) and an operation status signal of the high-frequency power amplifier (4) are input, and which generates, from the input transmission signal according to the input operation status signal, a low-regrowth transmission signal in which spectrum regrowth, in which power outside a frequency band in a transmission signal output from the high-frequency power amplifier (4) increases when the high-frequency power amplifier (4) operates with low back-off, is suppressed; and a distortion compensation unit (22) that imparts distortion that compensates for a distortion component generated in the high-frequency power amplifier (4) to the low-regrowth transmission signal generated by the low-regrowth transmission signal generation unit (21) to generate a distortion-compensated low-regrowth transmission signal.

The invention discloses a large-diameter monocrystalline silicon shouldering control method based on power reverse adjustment and application thereof, and belongs to the technical field of monocrystalline silicon rod preparation. According to the method, original monocrystalline silicon growth equipment and a 32-inch thermal field are reserved, only a guide cylinder matched with a target large-diameter crystal bar is replaced, a cooperative control strategy of reducing the power of a main heater and increasing the power of a bottom heater is implemented in a shouldering stage, a reverse temperature gradient field is formed, and the radial temperature gradient of a solid-liquid interface is controlled below a target temperature gradient. The whole thermal field does not need to be replaced or new equipment does not need to be purchased, cost is greatly reduced, and the production period is shortened; through reverse power adjustment, the large-diameter monocrystalline silicon shouldering edge breaking rate is greatly reduced, the shouldering success rate is greatly improved, the physical performance of the grown crystal is excellent, and the method is simple to operate and provides key technical support for large-scale production of the large-diameter monocrystalline silicon.

A wireless transmit / receive unit (WTRU) receives a physical downlink control channel (PDCCH) command for a physical random access channel (PRACH) transmission to a first cell. If the identifier of the first cell indicated in the PDCCH command is the same as the identifier received in the previous PDCCH command, and the time difference between the received PDCCH command and the previous PDCCH command is below a threshold, the WTRU increases the PRACH power by a power step, and transmits the PRACH transmission at the increased PRACH power. If the identifier of the first cell indicated in the PDCCH command is the same as the identifier received in the previous PDCCH command, and the time difference between the received PDCCH command and the previous PDCCH command is at or above a threshold, the WTRU resets the PRACH power and transmits the PRACH transmission at the reset PRACH power.

The utility model provides a kind of voltage stabilizing circuit with negative impedance characteristic and two-wire system valve positioner, the voltage stabilizing circuit includes the voltage dividing unit for carrying out voltage dividing to input voltage, the shunt unit for carrying out shunt processing to the input short circuit of input end of voltage dividing unit and the adjustable voltage stabilizer for adjusting input voltage based on voltage dividing unit and shunt unit, input voltage of input end of voltage dividing unit, the input end of shunt unit is connected the first input end of voltage dividing unit, the two output ends of shunt unit are connected the output end of voltage dividing unit and adjustable voltage stabilizer respectively, the second input end of voltage dividing unit is also connected adjustable voltage stabilizer, so that voltage stabilizing circuit has negative impedance characteristic.The circuit provided by the utility model, input voltage and input current are inversely proportional, so that the input power of two-wire system instrument and meter is increased when small input current, the difficulty of low-power design of complete machine is reduced, equivalent impedance is reduced when large input current, improve equipment applicability.

The invention provides a voltage stabilizing circuit with a negative impedance characteristic and a two-wire system valve positioner, the voltage stabilizing circuit comprises a voltage dividing unit, a shunting unit and an adjustable voltage stabilizer, the voltage dividing unit is used for dividing input voltage, the shunting unit is used for shunting input current at the input end of the voltage dividing unit, and the adjustable voltage stabilizer is used for adjusting the voltage of the two-wire system valve positioner. The regulation and control on the input voltage at the two ends of the voltage stabilizing circuit are realized; under the shunting action of the shunting unit, the input voltage is inversely proportional to the input current, so that the voltage stabilizing circuit has a negative impedance characteristic. According to the voltage stabilizing circuit provided by the invention, the input voltage is inversely proportional to the input current, so that the input power of a two-wire system instrument is increased when the input current is small, the design difficulty of low power consumption of the whole machine is reduced, the equivalent impedance is reduced when the input current is large, and the equipment applicability is improved.

The application relates to a distributed large-scale system of an all-vanadium redox flow battery, comprising a main electrical energy storage center, power distribution subsystems and a control subsystem. If the power of the power distribution subsystem does not meet a preset power requirement and / or the distance between the power distribution subsystem and the main electrical energy storage center exceeds a preset distance, a sub electric energy storage center connected with the main electrical energy storage center is arranged in the power distribution subsystem. The power distribution subsystem comprises an electric energy load point and / or an electric energy access point. The main electrical energy storage center and the plurality of power distribution subsystems are electrically connected with the control subsystem respectively. The power supply system has the effect of meeting the power increase and decrease requirements of a plurality of distributed external loads or power supply systems.

The invention discloses a control method and system for realizing the maximum generating capacity of a photovoltaic inverter, and the method comprises the steps: carrying out the maximum power point tracking MPPT optimization of the photovoltaic inverter, detecting the duty ratio in real time, judging whether the optimization is stable or not according to the change of the duty ratio, and recording the current duty ratio and the corresponding output power if the optimization is stable; the method comprises the steps of calculating the output power after the duty ratio is increased, increasing the duty ratio, calculating the output power after the duty ratio is increased, repeatedly increasing or reducing the duty ratio according to the size relation of the output power before and after the duty ratio is increased, and determining the final duty ratio according to the output power before and after the duty ratio is increased or reduced each time. By adjusting the duty ratio and adopting an output power magnitude comparison method, the saved loss power is larger than the advantage-seeking deviation loss power, the maximum output power of the inverter is achieved, and the overall generating capacity is improved.

The invention relates to a method for operating a power supply system (2), the power supply system (2) having a power converter (3) which generates an HF power signal and is connected to a load (6) in order to supply power to a plasma or gas laser process, the power converter (3) comprising at least one amplifier stage (40) which is designed as a balanced amplifier having a first and a second amplifier unit (42a, 43a) which each have the following components: i. a base-load amplifier (103) configured to provide a base-load amplifier power; ii. a peak-load amplifier (104) configured to provide a peak-load amplifier power; and iii. a power coupler (107) for combining the base-load amplifier power and the peak-load amplifier power at the output of the respective first and second amplifier unit to form an amplifier output power (Pout), the method comprising the following method steps: - in order to generate a power increase above the continuous-operation power of the power supply system (2), an amplitude and / or phase relationship between the base-load amplifier (103) and the peak-load amplifier (104) of at least one of the first and second amplifier units is set in such a way that the amplifier output power (Pout) of the amplifier unit is greater than a continuous-operation power of the amplifier unit (42a, 43a).

The invention relates to CW power, frequency and beam control for environmental IoT. There is provided an apparatus comprising at least one processor and at least one memory storing instructions that, when executed by the at least one processor, cause the apparatus to at least: receive a carrier transmission modulated by an environmental Internet of Things device in an environmental Internet of Things session, determining whether the received power of carrier transmission is lower than a predetermined threshold; and in response to a determination that the received power is below a predetermined threshold, preparing a notification requesting control of the at least one carrier transmission characteristic such that the received power is increased, and transmitting the notification to a carrier provider that transmits the carrier transmission or to a session control unit that controls the environmental Internet of Things session.

An accessory for use with an image pickup apparatus includes a first drive unit for moving a first movable member, a second drive unit for moving a second movable member, one or more memories storing instructions, and one or more processors that, upon execution of the instructions, operate to control power used for driving the first drive unit and the second drive unit. In a case where an orientation of the accessory changes from a first orientation to a second orientation, power used for driving one of the first drive unit or the second drive unit increases while power used for driving the other of the first drive unit and the second drive unit decreases. The one or more processors operate to change an upper limit value of the power used for driving the first drive unit and second drive unit based on the orientation of the accessory.

Embodiments of the present disclosure provide methods and apparatuses for power control. A method implemented at a network node includes determining a power backoff value for a first wireless device based on at least one of: a number of wireless devices including the first wireless device, and a maximum power increase estimated in an overlap region where two or more beams will overlap, wherein wireless devices including the first wireless device are jointly scheduled by the network node, wherein one of the two or more beams is used for the first wireless device. The method further includes transmitting a message or data through the beam for the first wireless device, wherein an output power of the beam for the first wireless device is controlled based on the power backoff value for the first wireless device.

To effectively use limited power in an accessory.SOLUTION: The accessory 100 is used together with the image pickup apparatus 200. The accessory includes a first driving unit 110 configured to drive the first movable member 104, a second driving unit 112 configured to drive the second movable member 105, and a control unit 114 configured to control electric power for driving the first and second driving units. When the posture of the accessory is changed from the first posture to the second posture, the electric power used for driving one of the first and second driving means is increased, and the electric power used for driving the other is decreased. An upper limit value of power usable for driving the first and second driving means is changed according to the detected attitude.SELECTED DRAWING: Figure 1

A film formation method includes: providing a film formation apparatus including a substrate support, a target holder, and a magnet unit; forming a film on a substrate by a magnetron sputtering of a target; and performing a serial communication monitoring to repeatedly acquire information on power from a power supply through serial communication. The magnet unit oscillates in a predetermined direction along the target, and the serial communication is performed to switch the power supplied to the target holder when the magnet unit reaches a predetermined power switch position while oscillating, such that when the magnet unit faces the end of the target, the power increases, and when the magnet unit faces the center of the target, the power decreases. The serial communication monitoring stops at least from a predetermined time before the time point when the magnet unit reaches the power switching position until the serial communication is completed.

The invention discloses a leakage current early warning method and device, equipment, a storage medium and a product, and relates to the technical field of power system safety management, and the disclosed leakage current early warning method comprises the steps: determining a leakage current increment according to target leakage current data and historical leakage current data at a main switch; if the leakage current increment is larger than the leakage current safety threshold value, according to the active power increment at the main switch, the electric leakage equipment type is determined, and the electric leakage equipment type comprises single-phase equipment or three-phase equipment; if the electric leakage equipment is single-phase equipment, determining target electric leakage equipment according to the active power increment and the power factor increment of a target phase connected with the single-phase equipment; generating early warning information of the target electric leakage equipment; the technical problem that the safety of an electrical system is low due to the fact that early warning is not carried out in advance when current leakage happens to the electrical system is solved, and the safety of the electrical system is improved.

The invention provides an electric power supply system, a control method thereof, a moving object, and a computer program product. When DC power supply from a first power generation device (14a) to a first electric power supply circuit (18a) is cut off, a control device (30) performs first electric power suppression control on a first inverter (15a) and performs first electric power increase control on a second inverter (15b). The first electric power suppression control is to control the electric power supplied from the first inverter to the first motor (17a) to be smaller than the electric power supplied from the first power generation device to the first electric power supply circuit before the DC power supply is cut off. The first electric power increase control is to control the electric power supplied from the second inverter to the first motor to be greater than the DC power supply from the first power generation device to the first electric power supply circuit before the cut-off. Therefore, when the DC power supply from the first power generation device to the first electric power supply circuit is cut off, the output torque of the first motor can be prevented from being reduced.