54 results about "Power capability" patented technology

A system for controlling a vehicle combination comprising a tractor unit and at least one trailing unit is disclosed. The system has a target generator to determine a virtual control input for the vehicle combination based on a reference input for the vehicle combination. A power manager determines a power allocation input for the vehicle combination based on the reference input and a power capability of one or more units of the vehicle combination. A combination control allocator determines a control input for the vehicle combination based on the power allocation input and the virtual control input.

The present disclosure provides an information transmission method, a device, a readable storage medium, and a computer program product. The method comprises: sending first information to a second node, the first information being used for indicating at least one of a power capability, a power state, and event information of a first node.

The invention discloses a micro-grid intelligent scheduling method based on multi-energy collaborative optimization, and relates to the technical field of micro-grid scheduling, and the method comprises the steps: obtaining the subunit operation state information of an energy storage unit, and constructing a basic state parameter set for representing the current operation condition of the energy storage unit based on the subunit operation state information; the scheduling state of the energy storage unit in the current scheduling period is judged based on the basic state parameter set, a scheduling state identifier is generated, and the scheduling state identifier is a unique value in a single scheduling period and is used for limiting that the energy storage unit is only allowed to participate in one scheduling behavior type in the scheduling period. According to the method, the basic state parameter set is constructed and the state parameters representing the current operation conditions are extracted, so that the power capability, the energy boundary and the operation limitation of the energy storage unit in the current scheduling period can be accurately described, and a credible basis is provided for subsequent scheduling behavior identification and parameter selection.

A stationary hybrid battery back-up system incorporates two different battery units that differ in terms of recharging efficiency, cycle life, power capability, depth of discharge threshold, temperature threshold, internal impedance threshold, charger rate efficiency and / or stand-by efficiency. The battery back-up system of the present invention comprises an auxiliary power supply that can be used to charge the first and second batteries and / or provide power to a load. When the operating voltage of the system drops, due to a power failure of a power source, the control system may couple the first and / or second battery unit to a load. The control system may have voltage threshold limits wherein it engages the first and second battery units to support the load demand. The first and second battery units may be charge by the auxiliary power supply when the operating voltage is above a threshold level.

The invention relates to the technical field of aircraft power control, and discloses a hybrid power coordination control method and system for a vertical fixed-wing aircraft, and the method comprises the steps: obtaining the health state data of a battery module, and evaluating the instantaneous maximum discharge power capability of each battery module according to the data, thereby achieving the hybrid power coordination control of the vertical fixed-wing aircraft. And the overall instantaneous maximum discharge power supply capability of the battery pack is obtained through aggregation. Meanwhile, in combination with flight state information and residual mission profile data of the aircraft, the demand of the future key flight stage for the instantaneous peak power is predicted. By comparing the supply capacity of the battery pack with the future demand, whether the risk of instantaneous power shortage exists can be judged prospectively. When a risk is identified, the method can actively adjust a power distribution strategy of the aircraft, including adjusting cruise parameters, optimizing a vertical landing strategy, and adjusting a battery charging strategy.

A power transmitter for wireless power transfer includes a control and communications unit, an inverter circuit, a coil, and a shielding. The control and communications unit is configured to provide power control signals to control a power level of a power signal configured for transmission to a power receiver, provide a power request to an external power supply, determine if a power signal at the coil is compliant with the power request, and, if the power signal at the coil is compliant with the power request, continue to operate for wireless power transmission. The coil is configured to transmit the power signal to a power receiver. The shielding comprises a ferrite core.

A power transmitter for wireless power transfer includes a verification load, a control and communications unit, an inverter circuit, a coil, and a shielding. The control and communications unit is configured to provide power control signals to control a power level of a power signal configured for transmission to a power receiver, provide a power request to an external power supply, determine if a power signal at the verification load is compliant with the power request, and, if the power signal at the verification load is compliant with the power request, continue to operate for wireless power transmission. The coil is configured to transmit the power signal to a power receiver. The shielding comprises a ferrite core.

A method for controlling a power assembly comprising a fuel cell unit and an electric energy storage system for storing excess electric energy produced by the fuel cell unit. The method comprises predicting a power demand from the power assembly over a prediction time horizon, obtaining a state-of-charge and / or power capability of the electric energy storage system, based on the predicted power demand and the obtained SoC and / or power capability, identifying a time period during which the power assembly is expected to be able to deliver power in accordance with the predicted power demand with the fuel cell unit shut down, or is at least expected to be able to deliver power at a minimum power level determined with respect to the predicted power demand, controlling the power assembly to shut down the fuel cell unit during at least a part of the identified time period in response to the identified time period being larger than a time threshold.

This invention relates to the field of new energy technology, specifically to a method and system for optimizing the rotational inertia of new energy power plants. The method includes: evaluating the total inertia support capability of the new energy system and energy storage system to obtain the range of total output active power; evaluating the inertia of the AC system to obtain the evaluated inertia of the AC system; and obtaining the rotational inertia coefficient of the new energy power plant based on the range of total output active power and the evaluated inertia of the AC system. This invention fully considers the actual power capabilities of each new energy inverter and energy storage inverter, determines the actual output power range of the PCC point, and can accurately determine the inertia support capability of the new energy power plant. The inertia parameters determined based on the AC system network conditions and the output active power range of the new energy system and energy storage system can adapt to various operating modes, efficiently and accurately outputting inertia support and improving the adaptability of inertia support.

The invention relates to an apparatus (100), a method (800), a system (700) and a computer program product for avoiding power overload, comprising: a first power connection (110) of a first load; a second power supply connection (120) of a second load wherein the first power supply connection (110) and the second power supply connection (120) are powered by an upstream power supply (150); a receiving device (130) for receiving a measurement of the power capability of the upstream power source (150); and a controller (140) which is designed to disconnect at least the first power supply connection (110) or the second power supply connection (120) when a power capability of the upstream power supply (150) is exceeded, the power supply connection (110, 120) having a maximum current current load or a maximum current power consumption being disconnected.

A storage device may maintain data integrity for data stored on a memory device when the storage device is disconnected from a host for a given period of time. The storage device may include a memory device including blocks for storing data and a connection to an external power source that provides power to the storage device when the storage device is disconnected from the host. The storage device may also include a controller to monitor the health of the blocks on the memory device. The controller may determine a power capability of the external power source and the background operations that may be performed based on the power capability of the external power source and the health of the blocks on the memory device. The controller may refresh the data on the memory device based on the power capability of the external power source.

A track system designed to efficiently manage power distribution and control for multiple light fixtures. The system comprises a track with a plurality of parallel circuits, each capable of powering light fixtures up to a maximum load. A power source is connected to each circuit, ensuring adequate power supply. A controller is integrated into the system, generating and transmitting control signals. Each light fixture mounted on the track includes a processor, an identification module, and a power-enable component, allowing for independent operation and control. The master controller communicates with the processors in each fixture to manage their operation, including selecting which circuit to draw power from, thereby optimizing load distribution across the circuits. This configuration allows the system to exceed standard power limits for a single circuit, providing enhanced power capabilities through multiple circuits, while maintaining efficient and independent control of each light fixture.

The application discloses a kind of vehicle power battery power test method and system based on power MAP table, it is related to power battery power test technical field, comprising: according to the imported power MAP table, identify multiple temperature and SOC state test points in table, and determine the nature parameter of power test;Combining the selected set constant volume mode, the power of vehicle power battery to be measured is tested;Wherein, multiple temperature test points are tested in the order from high temperature to low temperature, and according to the difference of charge-discharge operation mode, multiple SOC state test points are tested in different order;Based on the data obtained by testing and power MAP table original data, the key data of each MAP test point, the capacity value under each temperature, the adjustment capacity value in each test step and the running capacity value are obtained.The application can effectively detect the power capability of power battery and its system, improve detection efficiency and precision.

A planar magnetic-electrical power train suitable for large voltage step down and high current application is formed by a number of branches, wherein each branch is formed by a plurality of power processing cells wherein the high output current is extracted uniformly with minimum losses. The planar magnetic-electrical power train is inherently flexible to accommodate diverse form factors. The effective turns ratio is set by the number of turns or layers allocated to the primary and the cell count. The use of an optimized U core allows a simple implementation of fractional turns and the flexibility to tailor the power capability and the desired turns ratio. Output current is drawn in parallel from all cells, permitting distributed placement of output capacitors on each cell and thereby reducing conduction losses and current crowding.

A traction battery is charged according to output, indicative of power capability of the traction battery or state of charge of the traction battery, from a filter that uses battery equivalent circuit model parameters that depend on a gain factor selected according to a learned capacity and an ohmic resistance of the traction battery.

The invention discloses an information transmission method and device, a readable storage medium and a computer program product, and the method comprises the steps: sending first information to a second node, the first information being used for indicating at least one of the electric quantity capability, the electric quantity state and the event information of a first node. According to the scheme, at least one of the electric quantity capability, the electric quantity state and the event information of the first node is reported to the second node, so that the second node can know the state of the first node in time, and the second node which does not have the capability of supporting data communication and energy collection at the same time is prevented from performing data communication when the first node collects energy; the purpose of combining a mobile communication scene and radio frequency energy collection is achieved.

An electronic control unit (ECU) for an actuator of an electro-mechanical brake for a commercial or transport vehicle comprises two electrical supply interfaces which comprise a main supply interface which operates on a first voltage level U1, wherein the main supply interface is in electrical communication with a main supply line (MSL, 10), wherein the main supply line (MSL, 10) is configured to operate the brake actuator. The two electrical supply interfaces further comprise a secondary supply interface which operates on the first voltage level U1, wherein the secondary supply interface is in electrical communication with a secondary supply line (SSL). The main supply interface and supply line (MSL) have a first power capability P1, and the secondary supply interface and supply line (SSL) have a second power capability P2, wherein the sum of the two power capabilities P1, P2 is equal to or higher than the maximum power demand P0 required by the brake actuator. A power switch (PS1) connects the main supply line (MSL) with the secondary supply line (SSL) to ensure a power demand Pm required by the electric motor driving the brake actuator, wherein the power demand Pm is split between the main supply line (MSL) and the secondary supply line (SSL). The ECU further comprises two data communication interfaces which respectively are in data communication with two communication lines (CL1, CL2) which are configured to operate a CAN communication between the brake actuator and the vehicle. The two communication lines (CL1, CL2) are respectively connected to two CAN RX / TX circuits (CC1, CC2).

This application provides a method, system, platform, storage medium, and device for parsing and scheduling of hybrid computing tasks based on quantum computing and power consumption. The method includes: acquiring dynamic computing power capability information of multiple computing nodes in a hybrid computing power network; performing a first-level parsing and adaptation process for the task to obtain a first parsing and adaptation result and a corresponding first information entropy; when the first information entropy does not meet a first preset condition, performing logical topology reconstruction on the hybrid computing power network and performing a second-level parsing and adaptation process within the reconstructed network area to obtain a second adaptation result and a corresponding second information entropy; when the second information entropy does not meet a second preset condition, performing an optimization search within the reconstructed network area and determining a target computing node based on the search result; and generating scheduling instructions based on the target computing node. This method can quickly achieve effective globally optimal task scheduling for complex and more challenging hybrid computing tasks.

Aspects of the present invention relate to a method for controlling a plurality of renewable energy generators. The method comprises: determining preliminary reactive power set points for the generators based on a reactive power reference value; determining generator-based and voltage-based reactive power limits for the generators; generating dispatch signals for requesting reactive power from the generators based on the preliminary set point and the limits; and dispatching the dispatch signals to the generators. The generator-based reactive power limits correspond to the reactive power capability of the generator. The voltage-based limits are determined by: determining a terminal voltage of the generator; comparing the determined terminal voltage to a voltage limit; and determining the voltage-based reactive power limit based on the comparison.

The invention provides a method for improving the power capability of an electrically tunable filter circuit and the electrically tunable filter circuit. The method comprises the following steps: the electrically tunable filter circuit adopts the capacitance tuning module and the variable capacitance diode module as a resonant capacitor; the capacitance value of the capacitance tuning module is adjustable; the sum of the capacitance value of the variable capacitance diode module in the high bias adjustable voltage range and the minimum capacitance value of the capacitance tuning module meets the resonant capacitance required by the electrically tunable filter circuit working at the upper limit frequency; the sum of the capacitance value of the variable capacitance diode module in the high-bias adjustable voltage range and the maximum capacitance value of the capacitance tuning module meets the resonant capacitance required by the electrically tunable filter circuit working at the lower limit frequency, so that the technical problem that the power capability of the electrically tunable filter circuit is affected due to the fact that the bias voltage of the variable capacitance diode is too low is solved. According to the method, the power capability of the electrically tunable filter is improved, and meanwhile, full coverage of upper and lower limit frequencies of a working frequency band can be met.

The present application discloses a reactive power control method and system for flexible direct current (DC) transmission, belonging to the technical field of flexible DC transmission. The present application fully utilizes the reactive power capability of the flexible DC transmission system itself, outputs different reactive inner loop currents or reactive power instructions by judging the reactive control working mode, and realizes automatic control of the reactive power and voltage of the power grid, thereby avoiding frequent manual adjustment of reactive power by operators. The flexible DC transmission system utilizes the reactive power rapid response capability to rapidly adjust the AC voltage when the AC voltage is abnormal. At the same time, the flexible DC transmission system exchanges information with the reactive power control device of the power grid. The reactive power control device of the power grid inputs corresponding reactive capacitors and reactors according to the exchanged information, and replaces the additional reactive power output by the flexible DC transmission system, thereby meeting the dual requirements of steady-state reactive power control and fault reactive power control.

A method for operating an electric machine using a dynamic capability curve. A method for operating an electric machine (particularly a wind turbine) having a generator, particularly a wind turbine, having a rotor and a stator, is described. The method includes: i) evaluating active damping applied to the electric machine; ii) estimating a damping criterion based on the evaluated active damping applied; and iii) shifting the dynamic capability curve toward a maximum permissible level. The maximum permissible level is based on the damping criterion and a first operating criterion and / or a second operating criterion. Furthermore, the dynamic capability curve is a dynamic power capability curve or a dynamic torque capability curve.

The invention discloses a method for directly calculating the maximum power capability of an integrated energy system, which is applied to the integrated energy system comprising a power system, a natural gas system and a thermodynamic system, and comprises the following steps: S1, defining the power capability TWC of the integrated energy system as the sum of loads of all nodes, respectively establishing a power capability model and a maximum power capability model of the comprehensive energy system for the sum of all load supplies; the physical constraints of the power capability model of the integrated energy system comprise a smoke flow equality constraint and an inequality constraint; s2, using a prime-dual interior point method or a genetic algorithm to solve a maximum power capability model of the integrated energy system; and S3, the power capability corresponding to all the critical working points in the power domain of the integrated energy system is arranged in an ascending order according to numerical values to form a curve, and a power capability curve model of the integrated energy system is established and used for describing the power capability range change of the critical working points.

The invention relates to a load module for connecting to a power supply having a maximum power capability. The load module comprises an input for receiving an input voltage from the power supply, a power regulator adapted to receive the input voltage and adapted to provide a regulated power to a load, a current sensor for sensing a current provided by the power supply, a voltage sensor for sensing the input voltage and a controller for controlling the power regulator. The controller is arranged to operate in a configuration mode, wherein the controller is arranged to control the power regulator to draw a current from the input that gradually increases until the input voltage drops, wherein the current at which the input voltage drop is indicative of a the maximum power capability of the power supply, wherein the controller is arranged to determine the maximum power capability of the power supply based on the sensed current and the sensed input voltage close to the event that the input voltage drops.

A wireless communication method includes determining, by a wireless communication device, a precoder for an uplink transmission, determining, by a wireless communication device, power for the uplink transmission according to a scaling factor, wherein the scaling factor is determined according to a power capability report, and sending, by a wireless communication device to a network, the uplink transmission according to the precoder and / or the power for the uplink transmission.

Various aspects of the present disclosure relate to a virtual user equipment (VUE), base station, and method for uplink power control by the VUE. The method includes configuring the VUE including a first user equipment (UE) and at least one second UE, the VUE combining output power capabilities of a group of UEs for upload of data payload to a serving base station. The method includes determining a maximum output power and a power class of the VUE utilizing a combination of a local output power capability of each of the collaborating UEs within the VUE and that has uplink connectivity with the serving base station. The method includes: forwarding, to the serving base station, an indication of the maximum output power of the VUE; and transmitting the data payload via an uplink transmission to the serving base station, according to the indicated maximum output power of the VUE.

The application relates to a multi-working-point electric propulsion control method under power constraint, which is applied to an electric propulsion system comprising an electric propulsion control unit, a pressure regulating module, a flow control module, a power processing unit and an electric thruster, and is characterized in that: the power of the electric propulsion system is modeled, an electric propulsion application strategy under power constraint is formulated, a multi-working-point electric propulsion system application method under power constraint is proposed, the power of the multi-working-point electric propulsion system in the whole life cycle is modeled and estimated, the power dynamic matching is carried out in combination with the power capability of the whole machine which can be provided to the electric thruster, and the electric propulsion ignition is executed.

A wireless communication method includes determining, by a wireless communication device, a precoding for an uplink transmission, determining, by the wireless communication device, a power for the uplink transmission according to a scaling factor, where the scaling factor is determined according to a power capability report, and transmitting, by the wireless communication device, the uplink transmission to a network according to the precoding and / or power for the uplink transmission.

The embodiment of the invention discloses a power control method, a terminal and network side equipment, and belongs to the technical field of communication, and the power control method comprises the steps that the terminal reports sending power capability information, and the sending power capability information is used for indicating the capability related to the sending power of the terminal in a physical uplink channel; the terminal obtains power configuration information; and the terminal determines the sending power of a physical uplink channel carrying target data based on the power configuration information.

The present disclosure relates to the technical field of power electronics rectification, and in particular to a common bus system for increasing power supply capacity and a control method therefor. To solve the problems of complex device structure, large volume, and high cost in existing devices for increasing power supply capacity, the disclosure provides a novel common bus system for increasing power supply capacity and a control method therefor. A first power supply input terminal is sequentially connected to a first contactor KM1, one end of a pre-charge circuit, a three-phase inductor, and a three-phase PWM rectifier circuit. A DC terminal of the three-phase PWM rectifier circuit is connected to a bus capacitor, so as to serve as a power supply output terminal connected to a load. A second power supply input terminal is sequentially connected to a second contactor KM2, a three-phase uncontrolled rectifier circuit, and one end of a third contactor KM3, and the other end of the third contactor KM3 is connected to the DC terminal of the three-phase PWM rectifier circuit. The present disclosure improves the output power capability of a single rectifier circuit.