75 results about "Power setting" patented technology

The invention discloses a multi-energy complementary coordination control system and coordination control method based on mixed water and light storage. The system comprises a data acquisition unit, a data storage unit, a coordination control unit, an optimization scheduling unit and a telecontrol communication unit. The data acquisition unit is in data connection with the hydropower station, the photovoltaic power station and the energy storage system; the coordination control unit is in communication connection with the data storage unit; the optimal scheduling unit is in communication connection with the coordination control unit; and the telecontrol communication unit is used for issuing the active power setting instruction generated by the coordination control unit and the optimization scheduling unit to the hybrid hydropower station, the photovoltaic power station and the battery energy storage system. According to the method, active power control with real-time performance, coordination and robustness is realized, the consumption capability of new energy is improved, and the impact of new energy access on power grid operation is relieved.

The invention provides a power flow convergence method and system based on direct current power flow preprocessing and staged decoupling, and belongs to the field of power system analysis and control. Comprising the following steps: performing multi-stage verification and parameter adjustment on original power flow data, executing active balance preliminary verification of a power system, and generating a node active power set initial value set; setting an initial value set based on the active power of the nodes to carry out direct-current power flow calculation, obtaining an initial phase angle of each node, identifying a heavy-load line with a power angle difference exceeding a preset threshold value, and carrying out adjustment to obtain initial phase angle distribution; in combination with a preset initial voltage amplitude and the initial phase angle distribution, performing staging decoupling load flow calculation and adjustment to obtain load flow parameters; and taking the power flow parameter as an initial value, and carrying out full-coupling power flow calculation to obtain a final power flow solution meeting the convergence precision requirement. According to the method, the physical root of the convergence problem can be intelligently diagnosed and positioned, and the convergence and robustness of load flow calculation under complex working conditions are effectively improved through small-range targeted adjustment.

The invention relates to a unified distributed dynamic optimization control method and device for a micro-grid in an autonomous station area, and the method comprises the steps: embedding a frequency regulator at a virtual synchronous converter, estimating the average frequency of the autonomous micro-grid through the frequency regulator, comparing the average frequency with a rated frequency to generate an error term, and calculating the optimal value of the error term; inputting the error term into an integrator to obtain a first power correction term; embedding a benefit optimizer at the virtual synchronous converter, generating a neighborhood error through the benefit optimizer, and inputting the neighborhood error into an integrator to obtain a second power correction term; and adding the first power correction item and the second power correction item with a reference power item to obtain a power setting item, and taking the power setting item as the input of the virtual synchronous converter. According to the invention, stable voltage and frequency support can be provided, and global optimal control is realized.

The invention provides an extra-high voltage hybrid direct current transmission fault recovery optimization control method, device and equipment, and relates to the technical field of extra-high voltage hybrid direct current transmission. The system comprises a plurality of sending end converter stations and a plurality of receiving end converter stations, and the plurality of receiving end converter stations are connected to different alternating current systems in a layered manner; the method comprises the following steps: when a receiving end has a fault, obtaining a sub-module capacitor voltage of a target receiving end converter station; based on the sub-module capacitor voltage and a preset sub-module capacitor rated voltage, calculating a power unbalance amount of the target receiving end converter station; and determining an active power setting value of the target receiving-end converter station based on the direct-current side input power and the power unbalance amount of the target receiving-end converter station, and controlling the target receiving-end converter station based on the active power setting value. According to the method, the fault degree can be prevented from being further deepened, so that the fault recovery speed of the hierarchical access system is accelerated.

A continuity detector for determining the continuity of a Unit Under Test (UUT). The detector comprises a housing defining an interior volume, an electronics package disposed within the interior volume defined by the housing assembly, a first test contact and a second test contact to interface with the electrical wire or harness assembly, a precision resistance standard disposed within the housing and electrically coupled to the electronics package, and a power source disposed within the housing assembly. The first test contact and the second test contact are external to the interior volume. The first test contact and the second test contact are electrically coupled to the electronics package. The electronics package comprising a resistance measurement device and a comparator circuit. The comparator circuit is configured to determine if the resistance of the UUT is greater than, less than, or equal to the resistance of the resistance standard.

1. Name of the product in this design: Graphical User Interface for Lighting Control Operation of Electronic Equipment. 2. Purpose of this design: An electronic device. 3. The key design features of this product are the graphical user interface content on the screen. 4. The picture or photo that best illustrates the key design points: Design 1 front view. 5. Electronic devices are designed in a conventional way, so the rear view, left view, right view, top view, and bottom view of each design are omitted. 6. Design 1 is designated as the basic design. 7. Purpose of Graphical User Interface: Graphical user interfaces are used for the control and operation of lighting equipment. The main view of Design 1 is the main interface for menu settings. Click the "Power and Output" icon in the middle of the main view of Design 1 to enter the interface change state diagram 1; click "Maximum Power Setting" in the interface change state diagram 1 to enter the interface change state diagram 2; click "AC Power" in the interface change state diagram 2 to enter the interface change state diagram 3; click the numerical label on the right side of the interface change state diagram 3 to enter the interface change state diagram 4; click "OK" in the interface change state diagram 4 to complete the settings. The interface interaction from the main view of Design 2 to the interface change state diagram 2 is the same as the interface interaction operation from the main view of Design 2 to the interface change state diagram 2; click "Lamp Cable" in the interface change state diagram 2 to enter the interface change state diagram 3 of Design 2; click the numerical label on the right side of the interface change state diagram 3 to enter the interface change state diagram 4 of Design 2; click "OK" in the interface change state diagram 4 of Design 2 to complete the settings.

The invention relates to the technical field of energy storage converter testing, and aims to solve the problems that a traditional test needs to be disassembled and is low in efficiency. The method comprises the following steps: directly connecting a communication cable with a configuration screen through an exposed RS-485 (Recommend Standard 485), a CAN (Controller Area Network) bus or an Ethernet interface of the energy storage converter, and establishing a non-intrusive closed-loop communication link; the configuration screen issues control instructions such as start and stop, power setting, operation modes and the like, synchronously collects alternating current and direct current side electrical parameters, temperature and fault information of the energy storage converter, and automatically judges a test result after visual display and data processing. According to the method, disassembly or additional hardware is not needed, operation is convenient, multiple communication protocols are compatible, manual testing, automatic multi-working-condition testing and fault diagnosis can be achieved, the method is suitable for production delivery, operation and maintenance inspection and other scenes, the testing efficiency and consistency are greatly improved, and the testing safety and accuracy are guaranteed.

Methods and systems are disclosed for reducing power consumption of refrigerated display cases with electronic door displays. A door system for a refrigerated display case includes: a movable door configured to provide access to the refrigerated display case; an electronic display mounted to the movable door; a sensor; at least one processor in electronic communication with the sensor and the electronic display; and a data store coupled to the at least one processor having instructions stored thereon which, when executed by the at least one processor, causes the at least one processor to perform operations comprising: receiving, from the sensor, data indicating a position of the movable door; and in response to receiving the data indicating the position of the movable door, adjusting a power setting of the electronic display.

An apparatus, system, and method are disclosed for automatically controlling a power setting of a power supply unit (PSU). The apparatus includes a processor and non-volatile memory having a switch configured to instruct the PSU to operate in a first overcurrent protection (OCP) mode.

The invention relates to an automatic control method for a network-related test of an energy storage system, and the method comprises the steps: analyzing a structured configuration file, storing a test identifier, total instruction delay time, and power setting values and duration parameters contained in each power setting stage into a predefined data structure, and after a test starting instruction is received, starting the test starting stage according to the test starting instruction. Performing initial delay according to the total instruction delay time, entering a power setting cycle, sequentially reading a power set value and a duration parameter corresponding to a current power setting stage from a predefined data structure, and sending the read power set value to a control system of the energy storage system, s4, the power setting stage is executed, delay waiting is carried out according to a duration parameter corresponding to the power setting value, whether all power setting stages in the predefined data structure are executed or not is judged, if not, the step S4 is executed, the next power setting stage is read and executed, and if yes, the test process is ended.

The application discloses a multi-source low-temperature waste heat self-adaptive grid-connection optimization method based on electric-thermal cooperative scheduling, relates to the technical field of energy management, and comprises the following steps: according to a dynamic weight coefficient, a node marginal electricity price and a real-time power generation instruction, an economic objective function and a carbon emission objective function are established, multi-objective cooperative optimization is carried out, and a power setting value of a power generation device is generated; power generation operation is carried out based on the power setting value of the power generation device, hierarchical control instructions of a heat pump and a heat exchanger are generated, equipment operation state parameters are collected to construct a digital twin, and an actual heating load value is generated through a compensation algorithm; and the deviation between the actual heating load value and a heat network load prediction curve is used to update global federated learning model parameters.The application realizes high-dimensional space-time modeling of a nonlinear coupling relationship between economy and a carbon emission target, and breaks through the technical limitation that it is difficult to respond to real-time fluctuations of an electricity price and a carbon price.

The present invention provides a control device (10) for a secondary battery (110) that can limit the power value of the secondary battery (110) per unit time without excessively limiting the allowable power value of the secondary battery (110). The control device (10) for the secondary battery (110) includes an allowable power setting unit (421) and an allowable power limiting unit (422). The allowable power setting unit (421) sets an allowable power value for the secondary battery (110) during at least one of discharging and charging, based on specified information of the secondary battery (110). The allowable power limiting unit (422) limits the power value before the power value of the secondary battery (110) reaches the allowable power value. The allowable power limiting unit (422) limits the power value in stages at two or more different ratios.

The application discloses a variable-speed unit primary frequency modulation method based on power setting value correction, which comprises the following steps: obtaining real-time operation parameters of a target variable-speed unit; a converter of the target variable-speed unit calculates an electromagnetic power variation corresponding to a primary frequency modulation action; a control amount of a mechanical hydraulic system of the target variable-speed unit is calculated and input into the mechanical hydraulic system to obtain a mechanical hydraulic control amount; and the primary frequency modulation of the variable-speed unit is completed according to the electromagnetic power variation and the mechanical hydraulic control amount. The application further provides a system for implementing the variable-speed unit primary frequency modulation method based on power setting value correction. The variable-speed unit primary frequency modulation method and system based on power setting value correction provided by the application not only realize the primary frequency modulation of the variable-speed unit, but also have the advantages of fast frequency modulation speed, high reliability, good practicability and good frequency modulation effect by virtue of the innovative control strategy design.

A multi-channel amplifier system for power supplies with specific power output ratings. The system includes first and second output channels, each containing a power amplifier, an adjustable voltage limiter, and an adjustable impedance circuit. A constraint controller with predefined partial power settings is able to adjust the voltage or impedance based on specific constraint patterns. Power distribution balance between output channels is regulated by a multi-contact switch. Real-time data of the output channels is acquired by a sensing system including temperature, current, and voltage sensors, allowing dynamic adjustments within predefined ranges. The system also integrates an input signal digital signal processor (DSP) compressor or limiter that works in conjunction with a microcontroller to limit audio signals based on specified thresholds. This innovative design enables efficient and adaptive power distribution without the need for a graphical user interface, making it ideal for various audio applications.

The invention relates to power saving operation and AP behavior for Coex unavailability. Methods and apparatus for transmitting data in a wireless local area network are envisaged. In an embodiment, a first wireless device (AP) is configured to transmit a data packet to a second wireless device (STA), and transmit an initial control frame (ICF) to the STA, the ICF indicating a transmit opportunity time period (TXOP) for data transmission from the first wireless device to the second wireless device. In response to the ICF, the second wireless device returns an initial control response (ICR) indicating an unavailability (e.g., Coex unavailability) period of time. Alternatively, the STA may transmit an unsolicited unavailability advertisement (UUA) containing unavailability information for the STA to the AP without a prompt. In response to receiving the ICR or UUA, the AP may modify a transmission plan, such as shortening or cancelling the TXOP, or transmitting a portion of the data to another STA, etc. A power setting may be determined based on the unavailability time period.

A user equipment (UE) may receive a configuration message including a configuration for transmitting a set of positioning signals associated with a plurality of transmit (Tx) power settings. The set of positioning signals may include a first subset of positioning signals and a second subset of positioning signals. The UE may transmit a first subset of the positioning signals using a first Tx power setting of the plurality of Tx power settings. The UE may transmit a second subset of the positioning signals using a second Tx power setting of the plurality of Tx power settings.

The application discloses a power supply circuit, a power supply method, a server, a product and a medium, relates to the technical field of server power supply, and disperses the total power demand of a server through a multi-power board parallel design, reduces the bus current of a single board connected to a first voltage to the safe bearing range of a MOS tube, reduces the risk of impact, matches the overcurrent protection threshold of an electronic fuse with the power setting of a single board, shortens the short-circuit protection response time, independently deploys power supply bricks for each board to realize local conversion of a second voltage, reduces the output current of a single board, combines a multi-board output end merging power supply design, disperses heat sources to eliminate accumulated heat and doubles the current passing capacity through a parallel path, and improves the heat dissipation and electrical design feasibility of a circuit board. The technical problems of MOS tube over-limiting, overcurrent protection delay, and circuit board heat accumulation and current passing difficulty caused by large current of a power supply in a high-power server are solved, and the technical effects of enhancing power supply reliability and optimizing energy efficiency are achieved.

This invention relates to an automatic servo testing system and method based on a programmable power supply. The testing system includes a host computer module providing a testing software interface; an automatic power supply start-up and test information setting module for reading and storing power supply and test setting information; an automatic power supply on / off control module for automatically controlling the power supply and control power supply; an automatic command sending and feedback acquisition and processing module for acquiring test command types and command cycles, sending test commands, and judging and extracting received feedback data; an automatic fault judgment and processing module for periodically querying the status of the control power supply and power supply, querying and judging feedback data in real time, and receiving and judging position feedback in real time; and an automatic process monitoring and processing module for automatic real-time monitoring. This invention solves the problems of high manpower requirements, low automation, slow fault handling, and low safety and reliability in existing servo product testing.

The invention relates to the technical field of infrared sensing, in particular to an infrared emission control method and device and an automatic door, and the method comprises the steps that an infrared emission head is controlled to emit an infrared emission signal, the infrared emission signal comprises a plurality of emission pulse segments, and one emission pulse segment corresponds to one emission power; acquiring the pulse receiving number of the transmitted pulse segments received by the infrared receiving head; whether the pulse receiving number meets a power setting condition or not is judged, and the power setting condition is that the pulse receiving number is a preset receiving number; and if the judgment result is yes, setting each transmitting power corresponding to the infrared transmitting signal as the current transmitting power, and controlling the infrared transmitting head to work based on the current transmitting power. The problem that in the prior art, when an automatic door is controlled based on infrared emission, misjudgment is likely to be generated due to improper infrared emission power control can be solved.

The invention discloses a stock power distribution network charging load power balance control method, device and equipment, and relates to the technical field of power distribution network control, and the method comprises the following steps: obtaining a travel mode through clustering analysis according to an obtained multi-source database; allocating a travel mode to each electric vehicle based on a Monte Carlo method according to the regional electric vehicle inventory, and generating a travel chain and a charging demand scene; obtaining a reference power limit value based on the charging demand scene, correcting the reference power limit value to obtain analog power setting, and outputting the analog power setting to a power converter for execution; and correcting the reference power limit value according to the local primary response after execution of the power converter to obtain final power setting. The method is used for solving the problems of inaccurate power grid load prediction and insufficient power balance control accuracy caused by the charging demand characteristics of the electric vehicle.

Provided are a method and an apparatus for configuring a radio frequency transmit power, an electronic chip, and an electronic device. The method includes obtaining an application scenario determining result corresponding to a current application scenario of a communication device; confirming current CPN information of the communication device; confirming current home operator information of the communication device; performing match retrieval in a power control parameter database based on the application scenario determining result, the current home operator information, and the current CPN information to obtain a power setting parameter value corresponding to the application scenario determining result, the current home operator information, and the current CPN information; and configuring a transmit power of an RF module based on the power setting parameter value.

An apparatus, system, and method are disclosed for automatically controlling a power setting of a power supply unit (PSU). The apparatus includes a processor and non-volatile memory having a switch configured to instruct the PSU to operate in a first overcurrent protection (OCP) mode.

Provided is a control device 10 used for a secondary battery 110 and being capable of limiting a power value per unit time of the secondary battery 110 without excessively limiting an allowable power value of the secondary battery 110. The control device 10 for the secondary battery 110 has an allowable power setting unit 421 and an allowable power limiting unit 422. On the basis of predetermined information about the secondary battery 110, the allowable power setting unit 421 sets an allowable power value allowed for the secondary battery 110 in at least one of discharging and charging of the secondary battery 110. Before the power value of the secondary battery 110 reaches the allowable power value, the allowable power limiting unit 422 limits the power value. The allowable power limiting unit 422 limits the power value at stages by two or more different ratios.

A system and method of an adaptive transmitter for an object detection system having an adaptive transmitter that enables changing power levels to meet health and safety requirements based on proximity information. Adaptive transmitters are placed on gateway pillars of a multi-sensor gateway system using an adaptive transmitter configuration. A patron passes through the center of the gate and always stays far enough away from the transmitters such that the transmitter operates in a high field configuration and remain under appropriate health and safety levels. A patron can also move close to a pillar and enter the second proximity boundary wherein the system would automatically switch to a lower power setting to remain within the appropriate health guidelines. A two-mode power level configuration can be extended to a continuous mode configuration where the power levels are adjusted dynamically. Furthermore, power consumption can be reduced and battery lifetime prolonged.

A user equipment (UE) may receive a configuration message including a configuration for a transmission of a set of positioning signals associated with a plurality of transmission (Tx) power settings. The set of positioning signals may include a first subset of positioning signals and a second subset of positioning signals. The UE may transmit the first subset of positioning signals using a first Tx power setting of the plurality of Tx power settings. The UE may transmit the second subset of positioning signals using a second Tx power setting of the plurality of Tx power settings.

The invention provides test equipment and a test system, and relates to the technical field of electronics. The invention discloses test equipment, and the equipment comprises a housing which is provided with a clamping mechanism at a first side; the sensing mechanism is clamped on the first side of the shell by the clamping mechanism, and the sensing mechanism is arranged corresponding to a connector on a to-be-detected body; the display screen is arranged on the second side of the shell, electrically connected with the output end of the sensing mechanism and used for obtaining and displaying the size deviation of the size data collected by the sensing mechanism, the first side is the side facing a to-be-detected body, and the second side is the side far away from the to-be-detected body; the power supply is arranged in the shell and electrically connected with the sensing mechanism and the power supply end of the display screen; and the clamping mechanism is arranged on the second side of the shell and is clamped with the to-be-detected body. Through the equipment, the testing efficiency of the dimensional deviation in the box-type equipment and the cabinet-type equipment can be improved.

The invention belongs to the field of nuclear power unit power setting, and particularly relates to a method for acquiring an optimal power set value of a nuclear power steam turbine generator unit, which comprises the following steps of: 1, confirming historical reference working conditions; 2, collecting unit parameter data under a historical reference working condition; 3, performing classified statistics on the unit parameter data under the historical reference working condition; 4, preliminarily calculating the optimal set electric power in different temperature ranges; and 5, determining an optimal power set value. On the premise of guaranteeing safe and stable operation of the unit, the current optimal unit electric power set value is given by combining historical unit operation conditions and current environment state factors, efficient operation of the unit is guaranteed to the maximum extent, meanwhile, the number of times of operation personnel for increasing and decreasing power is reduced, the probability of human errors is reduced, and the safety of the unit is improved.

Embodiments of the present application provide a power setting method, device, equipment and medium. The method comprises: obtaining feature data related to the seed crystal power; the feature data comprises real-time data and setting data, and the setting data comprises a target pulling speed at the end of the seed crystal stage; inputting the feature data into a power recommendation model, the power recommendation model being trained by feature data samples related to the seed crystal power and labeled sample seed crystal power, the feature data samples comprising real-time data samples and setting data samples, the real-time data samples comprising a sample pulling speed at the end of the seed crystal stage; generating a recommended power from the power recommendation model according to the feature data; setting the seed crystal power as the recommended power to control the change of the pulling speed at the end of the seed crystal stage to the target pulling speed, so that a suitable recommended power is automatically generated, and the seed crystal power is set accordingly, so that the pulling speed at the end of the seed crystal stage can change to the target pulling speed, thereby avoiding problems such as wire breakage in the crystal pulling process.

The invention discloses a modular energy storage power supply system, which comprises a BMS control unit, at least one group of battery cell units and a base, and is characterized in that each battery cell unit comprises an outer shell, a battery pack and a control assembly; the BMS control unit comprises an inverter, an electric input socket, an electric output socket and a current control switch; the base comprises a supporting plate and a Foma wheel; the energy storage system provided by the invention has a household energy storage system solution which is highly modular in design and can be flexibly configured and expanded; the system supports a user to preset a power distribution strategy, dynamically adjusts the energy storage capacity based on actual demands, optimizes the convenience of installation and maintenance, further forms a community micro-grid in power utilization setting, automatically regulates and optimizes power storage and power utilization, ensures the anti-risk and stable capability of the energy storage system, realizes efficient utilization of energy and cost optimization, and improves the energy utilization efficiency. Active protection is combined in the aspect of fire safety, and a safety blocking mechanism is introduced, so that the overall safety and adaptability of the system are remarkably improved.