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1522 results about "Source system" patented technology

Mbse-based system full life cycle management method and system

The invention provides an mbse-based system full life cycle management method and system, and relates to the technical field of data synchronization, and the method comprises the steps: obtaining to-be-synchronized data of a source system, constructing a semantic graph structure, generating a mapping strategy based on implicit association between semantic matching learning systems, executing transactional data transmission, and constructing a time sequence traceability tree to track change propagation. And adaptive reconstruction is carried out when a constraint conflict is detected. According to the method, the problem of data synchronization among heterogeneous systems is solved, and the model consistency maintenance capability and the adaptive conflict processing efficiency are improved.
Owner:CHINA NUCLEAR STRATEGIC PLANNING & RES INST CO LTD

Automated patient referral management system and method

PendingUS20260037888A1Medical communicationFinanceNursing careConversational speech
Disclosed is a system and method for standalone automated patient referral management. The system comprises an intake module that accepts and processes referrals from diverse referral communication channels as entry points for patient referrals. A processing module undertakes the analysis of patient information to pinpoint a healthcare provider based on a healthcare need, a preference, and a schedule availability. A scheduling module confirms the appointment, and engages in dynamic three-way communication between the patient, the referring entity, and the healthcare provider. A feedback module dispatches feedback to the referring entity, offering a report on an outcome of the appointment. A natural language processing (NLP) module extracts information from conversational speech. The system utilizes algorithms to match patients with the healthcare providers based on criteria including specialty, availability, and patient preferences. A feedback module communicates with the originating EHR systems and provides updates to maintain continuity of care.
Owner:INNOVACCER INC

Park integrated energy system low-carbon scheduling method combining demand response and carbon emission flow

The invention provides a park integrated energy system low-carbon scheduling method combining demand response and carbon emission flow, and belongs to the technical field of energy system low-carbon scheduling. Establishing a directed weighted carbon flow network model based on a graph theory, tracking a carbon emission transmission path by adopting a maximum flow minimum cut theorem and a proportional allocation principle, constructing a space-time coupled dynamic carbon flow state space model, and performing state estimation by adopting a Kalman filtering algorithm; the carbon emission responsibilities are distributed based on a Shapley value method, a stepped carbon transaction cost function is established, an optimal scheduling strategy is solved through a double-layer iterative optimization framework, and the technical problem that the carbon emission responsibilities are difficult to distribute reasonably due to the fact that a park integrated energy system cannot accurately track a carbon emission transmission path when electric heat gas multi-energy flow coupling is considered is solved.
Owner:XJ GRP CORP +1

Bistatic joint multi-target positioning method based on external radiation source system

The invention relates to the technical field of radar data processing, in particular to a method which is suitable for a multi-external radiation source and multi-station system, carries out single-frame and two-frame multi-target measurement value matching under the condition of no bistatic distance information, has good adaptability to the multi-target positioning problem of external radiation source systems of different systems, and is high in positioning accuracy. The bistatic joint multi-target positioning method based on the external radiation source system is beneficial to the processes of multi-target positioning, real-time tracking, track generation and the like, and comprises the following steps: matching multi-source and multi-station angle measurement values to obtain candidate association, and estimating the intersection point position and the speed state of the angle measurement values; approximately constructing a linear equation of bistatic speed and angle measurement value errors, establishing measurement value error estimation of candidate associations and a real target, and removing wrong candidate associations by using an association hypothesis decision; and establishing a cost function according to the measured value error estimation of the candidate association between the two frames and the state mahalanobis distance, and removing the error candidate association between the two frames by using an association hypothesis decision.
Owner:HARBIN INST OF TECH

Soft start control method for three-phase PFC (Power Factor Correction), PFC controller and power supply system

The invention relates to the technical field of power electronic control, and provides a soft start control method for a three-phase PFC (Power Factor Correction), a PFC controller and a power supply system.The soft start control method comprises the steps that when a PFC start instruction is received, an initial target voltage value is set as an actual value of current bus voltage; maintaining the initial target voltage value for a first preset duration; after the initial stable state, sampling in real time to obtain the actual value of the current bus voltage, and calculating the absolute value of the voltage difference between the actual value of the current bus voltage and the current target voltage value; judging whether the absolute value of the voltage difference is smaller than or equal to a preset trigger threshold value; if yes, adding a preset voltage step value to the current target voltage value; if not, keeping the current target voltage value unchanged; and recursive control of the current bus voltage is executed circularly until the updated current target voltage value reaches the final target voltage value. According to the mode, the starting rapidity and the stability of the boosting process are balanced.
Owner:GUANGDONG PHNIX ECO ENERGY SOLUTION

Data migration method and system based on business object mapping and storage medium

The invention discloses a data migration method and system based on business object mapping and a storage medium, metadata of a source system and a target system is obtained, and the metadata contains a data table group, a field and a field attribute; respectively integrating the data tables with the incidence relation in the two types of systems into a source business object and a target business object based on business semantics; and establishing a mapping relationship between the source business object and the target business object, migrating the data in the source business object to the target system based on the mapping relationship and the conversion rule, and verifying the migrated data. The efficiency and accuracy of data migration are improved, the consistency of a migration structure and business semantics is ensured, and semantic deviation and configuration errors caused by a traditional table level migration mode are reduced. And a migration scene of complex service data between heterogeneous systems can be better adapted.
Owner:HANGZHOU SHUOPAN INTELLIGENT TECH CO LTD

Computer room energy efficiency optimization simulation system and method based on digital twinning

The invention discloses a machine room energy efficiency optimization simulation system and method based on digital twinning, and relates to the technical field of machine room energy efficiency optimization. The system comprises a model construction and load analysis module, an equipment combination design module, an energy efficiency simulation calculation module and an optimal scheme adaptation and output module. According to the method, related parameters of a machine room are collected to construct a digital twinborn simulation model, different levels of load intervals are divided, a differentiated combination scheme composed of a high-voltage fixed-frequency large cold source unit and a low-voltage variable-frequency small cold source unit is designed for each interval, an energy efficiency optimal scheme is matched through simulation, a correlation database is established, and a result is output. Dynamic adaptation of the cold source equipment and the load interval is achieved, low-load energy efficiency attenuation is avoided, the full-working-condition energy efficiency of a machine room is remarkably improved, and reliable support is provided for optimal configuration of a cold source system.
Owner:CHINA CONSTRUCTION INDUSTRIAL & ENERGY ENGINEERING GROUP CO LTD

Multi-source business process adaptive operation and maintenance scheduling method

The invention discloses a multi-source business process self-adaptive operation and maintenance scheduling method, which relates to the technical field of business process operation and maintenance scheduling, and comprises the following steps of: under the condition that a source system state coverage behavior exists, extracting a jump rule, a behavior interruption fragment and a manual intervention identifier from a behavior acquisition vector, generating a coverage deviation feature sequence, real task execution track information under the condition that the source system state coverage behavior exists is restored based on the sequence; and forming a scheduling credibility judgment factor group by the state change mode, the behavior continuity and the intervention position in the real execution track information of the task, and forming a parameter set which can be used for quantifying the track credibility. According to the method, the problem of misscheduling caused by source system state coverage in the multi-source business process is solved, and the real restoration of the task trajectory and the accurate evaluation of the scheduling credibility are realized, so that the accuracy of the scheduling decision and the stability of system operation and maintenance are improved.
Owner:SHAANXI NORMAL UNIV

Programming port and dimming port shared circuit

The invention relates to the technical field of electronic circuits, and provides a programming port and dimming port shared circuit which comprises a dimming circuit, a main control circuit, a power supply circuit, a burning circuit, a switching circuit, a first port and a second port, the first port serves as a common port of positive dimming signals and burning signals, and the second port is used for being connected with an external dimming signal cathode. The signal receiving end of the dimming circuit is connected with the first port, the second port is grounded, the burning port of the main control circuit is connected with the first port through the burning circuit, the output end of the power supply circuit provides a working power supply for the main control circuit, when the system power supply works, the switching circuit is switched off, and the system power supply supplies power to the power supply circuit, and when the system power supply does not work, the switching circuit is switched on. The burning signal supplies power to the power supply circuit; according to the invention, by optimizing the power supply design and utilizing the original power supply logic, the normal dimming of the power supply during working is ingeniously realized, and the off-line programming function can be realized when the power supply does not pass through.
Owner:SHENZHEN XIEZHEN ELECTRONICS CO LTD

Multi-source cooperative control method and device, computer equipment and computer program product

The invention is suitable for the technical field of electrochemical energy storage, and provides a multi-source cooperative control method and device, computer equipment and a computer program product, and the method comprises the steps: obtaining basic parameters of a power grid, a hybrid energy storage system and a new energy power generation system; obtaining prediction parameters of the electric power energy system based on the historical working conditions and the prediction model; according to the preset initial investment amount, the cycle life of the hybrid energy storage system and the basic parameters and working conditions of the electric power energy system, calculating the unit energy charging and discharging cost of the hybrid energy storage system; based on the unit energy charging and discharging cost, the time step length, the power grid billing time-of-use electricity price and the prediction parameters of the hybrid energy storage system and the planned charging and discharging power of the hybrid energy storage system, an objective function with the optimal economical efficiency as an objective is constructed, the objective function is solved, and the optimal planned charging and discharging power of the hybrid energy storage system in each time period is obtained. According to the method, multi-dimensional data is combined, an objective function with the optimal economical efficiency is constructed and solved, and a hybrid energy storage charging and discharging strategy is automatically obtained.
Owner:STATE GRID CORPORATION OF CHINA +1

Polar field magnet coil power supply system and power supply method

The invention relates to the technical field of electronic circuits, in particular to a polar field magnet coil power supply system and a power supply method. The polar field magnet coil power supply system comprises a super capacitor, a control module and a driving module. The control module is coupled with the driving module and the polar field magnet coil, and the control module is configured to obtain feedback current of the polar field magnet coil, generate a first pulse width modulation signal group and generate a second pulse width modulation signal group. And the driving module is configured to respond to the first pulse width modulation signal group and generate the second pulse width modulation signal group, transmit energy stored by the super capacitor to the polar field magnet coil in the current rising sub-stage and the current maintaining sub-stage, and feed back the energy of the polar field magnet coil to the super capacitor in the current feedback sub-stage. According to the polar field magnet coil power supply system, the energy utilization rate can be greatly improved, the problem that energy cannot be recycled in the prior art is solved, and the problem that the failure rate is high is solved.
Owner:ENN SCI & TECH DEV

High-power and frequency-adjustable gyrotron loading test system for nuclear fusion

The invention discloses a high-power and frequency-adjustable gyrotron loading test system for nuclear fusion, which relates to the technical field of nuclear fusion and comprises a 2-megawatt coaxial gyrotron with adjustable frequency of 170 / 240GHz and a loading test platform. The loading test platform comprises a gyrotron part loading system, a strong magnet system, a vacuumizing system, a power supply system, a load system, a cooling system, a monitoring and diagnosing system and a control system. The component loading system is used for precise assembly; the strong magnet system provides an adjustable strong magnetic field; the vacuumizing system maintains ultrahigh vacuum; the power supply system comprises a cathode power supply and a body power supply, and the body power supply is used as a high-voltage amplifier to realize 10kHz rapid power modulation; the cooling system provides independent active cooling; the load system simulates a real load; comprehensive detection of the monitoring and diagnosis system; and the control system realizes coordinated control and rapid protection. According to the invention, a complete solution is provided for development, test, operation and maintenance of the 2-megawatt-level and frequency-adjustable gyrotron.
Owner:XIANGTAN SHUANGCHAO QUENCHED ROCK NEW ENERGY TECHNOLOGY CO LTD

Power Supply Unit Management in Network Devices

Devices, systems, methods, and processes for operating a plurality of power supplies of a network device using cold redundancy are described herein. Traditionally, redundant power supplies are operated in parallel with primary power supplies, thus making power supply system less efficient. To address these issues, an analog architecture is provided for implementing cold redundancy in a network device. Each power supply includes two pins: one for designating the power supply as primary or secondary, and the other pin for configuring an activity state of the power supply. The activity state can be an active state or a sleep state. The secondary power supplies are further ranked in an order of priority using different voltage levels for assignment. In response to surge in load demand, activity states of one or more secondary power supplies are changed to the active state without requiring a signal from a centralized control software.
Owner:CISCO TECHNOLOGY INC

Encrypted traffic behavior and protocol multi-dimensional analysis traceability method

The invention relates to the technical field of network security threat detection and attack traceability, and discloses an encrypted traffic behavior and protocol multi-dimensional analysis traceability method, and establishes an encrypted traffic multi-dimensional analysis traceability system. The system is internally provided with a traceability knowledge base, a multi-dimensional data source acquisition module, a multi-dimensional feature extraction module, a multi-dimensional analysis traceability module, a dynamic baseline modeling module, an adversarial training module, an intelligent association study and judgment module and a feedback optimization module, the traceability knowledge base provides knowledge support for the follow-up process, and the multi-dimensional data source acquisition module outputs standardized time sequence data; the multi-dimensional feature extraction module generates a feature vector, a traceability result of the multi-dimensional analysis traceability module, an abnormal identifier of the dynamic baseline modeling module and an adversarial sample feature of the adversarial training module jointly serve as input of the intelligent association study and judgment module, and the intelligent association study and judgment module summarizes a study and judgment report. Models and parameters of all the modules are fed back through the feedback optimization module, and a closed loop of collection, analysis, study and judgment and optimization is formed.
Owner:XINJIANG DIGITAL SECURITY NETWORK TECHNOLOGY CO LTD

Registration and life cycle management of distributed energy resource devices

A method and system for testing an electrical device in an energy system are provided. The method includes: selecting a test suite to run against the electrical device based on a type of the electrical device; in response to determining that an output power of the electrical device is greater than a preselected minimum threshold: determining that the electrical device is energized, and running the test suite; in response to determining that the electrical device has passed the test suite: attaching the electrical device to a designated service point in a topology structure, marking a state of the electrical device to active, and activating the electrical device in the energy system; and in response to determining that the electrical device has not passed the test suite: attaching the electrical device to a limited node in the topology structure, and limiting the electrical device to function within a default control limit.
Owner:ITRON INC

Method for generating a query message with a prompt and method for generating a response message to a query message

The invention relates to a computer-implemented method for generating a query message (QM) with a prompt in an information request system, wherein the prompt is configured to be input into a source language model of an information source system that is separate from the information request system, in order to cause the source language model to provide missing medical information (MI). The method comprises the following steps: - Obtaining (S10) a patient cache (22) corresponding to a patient of interest, wherein the patient cache (22) contains medical information (MI) about the patient of interest; - Delivering (S20) the received patient cache (22) as context to a demand language model; - Generate (S30), using the request language model and based on the patient cache (22), a query message (QM) with a prompt, wherein the prompt is configured to be input into a source language model of at least one information source system to cause the source language model to provide missing medical information (MI) about the patient of interest; - Obtain (S40) an information source contact address of at least one information source system; - Sending (S50) the generated query message (QM) to the at least one information source system using the information source contact address.
Owner:SIEMENS HEALTHINEERS AG

Improved linear gain digital signal control method applied to power supply

The invention belongs to the technical field of power supply control, and particularly relates to an improved linear gain digital signal control method applied to a power supply. Aiming at the problems of poor gain linearity, low control precision, slow dynamic response and insufficient adaptability to system parameter change in a wide load and wide input voltage range in the traditional digital control, the method comprises the following steps of: digitally acquiring power supply operation parameters at high precision, and introducing an adaptive linear gain adjustment module to calculate a target control gain. In addition, the method generates a pulse width modulation signal based on the corrected gain and digital operating parameters to regulate the power output, and samples quantized output feedback in real time. Through the scheme, the response speed and stability of the power supply system during transient load change can be remarkably improved, and power supply management with higher precision, higher robustness and faster dynamic response is realized, so that the overall performance of the power supply system is comprehensively improved.
Owner:TIANJIN HEPAI ELECTRIC TECHNOLOGY CO LTD

Full-band noise microwave source system and microwave signal generation method

The invention relates to the technical field of microwave photonics, and discloses a full-band noise microwave source system and a microwave signal generation method. An optical reference unit is used for generating an optical reference signal; the photoelectric phase detection unit is connected with the optical reference unit and is used for receiving the optical reference signal and a feedback signal sent by the microwave oscillation unit and outputting a beat frequency electric signal for reflecting a phase error; the servo control unit is connected with the photoelectric phase detection unit and the microwave oscillation unit and is used for separating the beat frequency electric signal into a low-frequency control signal and a high-frequency control signal; the microwave oscillation unit is connected with the servo control unit and outputs a target microwave signal in response to the low-frequency control signal and the high-frequency control signal. A beat frequency electric signal is separated into a low-frequency path and a high-frequency path by using the servo control unit, so that targeted suppression of phase noise of different frequency bands in a single signal source is realized.
Owner:NANJING PEGO MEASUREMENT&CONTROL TECH CO LTD

Energy system coordination optimization method

The invention discloses an energy system coordination optimization method, which belongs to the technical field of energy system coordination optimization, and comprises the following steps: constructing a multi-level coordination optimization architecture: establishing a multi-time scale coordination optimization architecture comprising a day-ahead optimization scheduling layer, an intra-day rolling correction layer and a real-time balance control layer, the day-ahead optimization scheduling layer makes a reference plan by taking the optimal all-day economy as a target, the intra-day rolling correction layer performs rolling adjustment on a subsequent time period plan based on latest prediction data, and the real-time balance control layer responds to ultra-short-term fluctuation from a second level to a minute level; and establishing a multi-energy flow unified optimization model. According to the method, the day-ahead, intra-day and real-time multi-time-scale coordinated optimization architecture is constructed, so that the whole-process closed-loop optimization of the energy system from long-term planning to second-level response is realized, the capability of the system for dealing with renewable energy fluctuation and load uncertainty is remarkably improved, and the operation toughness and economy are enhanced.
Owner:LISHUI ZHAOXU NEW ENERGY TECHNOLOGY CO LTD

Fault self-diagnosis and early warning method and system for LED large-screen switching power supply, terminal and medium

The invention relates to the field of display screens, and particularly provides a fault self-diagnosis and early warning method and system for an LED large-screen switching power supply, a terminal and a medium, and the method comprises the steps: collecting the multi-dimensional operation parameters of the power supply in real time, and extracting the feature parameters reflecting the health state; comparing each characteristic parameter with a health model reference to realize grading evaluation of excellent state, slight abnormity or fault; performing trend prediction on the slightly abnormal parameters to obtain future numerical values of the slightly abnormal parameters; and calculating an overall health degree score based on a prediction result, and when the score is lower than an early warning threshold value, generating early warning information including suspected fault elements, severity levels and predicted residual life, and reporting the early warning information. Predictive maintenance is realized, and the reliability, the maintenance efficiency and the service life of the LED large-screen power supply system are improved.
Owner:SHANDONG INSPUR ULTRA HD INTELLIGENT TECH CO LTD

Vision-based electric connector detection system and method

The invention discloses an electric connector detection system and method based on vision, and belongs to the field of machine vision and industrial detection, and the system comprises a large constant water star series industrial camera, a multi-angle and high-uniformity adjustable light source system, a product feeding moving and packaging mechanism, a computer control system and UI software. Wherein the computer control system adopts multi-thread scheduling, a modular architecture and a sub-pixel-level algorithm, and supports high-throughput processing of 3-6 4024 * 3036 pixel industrial cameras, an image acquisition module of the computer control system can uniformly manage multiple models of cameras, and a UI (User Interface) is a drag-and-drop interface and integrates debugging tools such as OpenGL (Open Graphics Library) and parameter hot loading; the method comprises the steps of hardware configuration, trigger starting, image acquisition, positioning correction, ROI drawing, detection, reference line determination, size measurement and sorting control, ROI drawing can adapt to regular and irregularly arranged pins, the adaptability is high, the precision is high, operation is convenient and fast, full-process automatic detection can be achieved, and the requirement of a high-speed production line is met.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

A smart building environment adaptive regulation method based on digital twinning and AI

The application provides a kind of intelligent building environment adaptive regulation and control method based on digital twinning and AI, it is related to artificial intelligence technical field, including the following steps: based on time alignment after multi-source system data, extract dynamic characteristics to construct dynamic feature set;Multi-source system data is input to digital twinning, with the current building equipment state as boundary condition, iteratively simulates the key environmental parameters of multiple time steps in the future, and outputs multi-step prediction sequence;Again input model predictive controller, with the minimum overall energy consumption in the prediction period as the optimization goal, with the key environmental parameters not exceeding the comfort interval as the constraint condition, the equipment control instruction sequence in the first preset time in the future is solved;The first equipment control instruction in the equipment control instruction sequence is issued to the on-site actuator to realize the adaptive regulation and control of building environment, solve the disadvantage that the environment parameter is over-standard and then responds passively, significantly improve the rapid response capability of the system to sudden environmental changes.
Owner:零柯(天津)智能科技有限公司

Food safety traceability system and method based on block chain technology

The invention discloses a food safety traceability system and method based on a block chain technology, and relates to the technical field of supply chain management, and the system comprises a data collection layer, a block chain network layer, an intelligent contract layer and an application layer. The intelligent contract layer comprises a traceability data contract, a business rule contract, a trusted transaction contract, an authority management contract and an early warning trigger contract; the method comprises the steps of supply chain main body registration and authority configuration, business rule intelligent contract deployment, traceability data acquisition and uplink, business rule automatic verification and execution, credible transaction verification and confirmation, traceability query and credible verification, and abnormity early warning and emergency response. According to the invention, automatic execution and credible transaction verification of the business rules are realized through the smart contract, so that the traceability data cannot be tampered, interconnection and intercommunication of data in each link of the supply chain are realized, real-time early warning of abnormity and rapid emergency response are supported, and the credibility, transparency and efficiency of food traceability are improved.
Owner:SHANGHAI MEIJIAO NETWORK TECHNOLOGY CO LTD

Photoelectric co-packaging CPO module structure

The invention belongs to the technical field of optical modules, and particularly relates to a CPO module structure which comprises an installation shell, a switching chip, an optical engine, a light source system and an auxiliary monitoring system, the switching chip and the optical engine are installed on a supporting substrate in the installation shell, an optical fiber coupling interface is arranged on the outer side of the installation shell, and the optical fiber coupling interface is connected with the optical source system. The optical fiber link is used for connecting the optical engine and external computer equipment; according to the CPO module structure, related data such as power management, temperature management and link connection signal stable state of the CPO module structure in the use process are monitored in real time through the configured auxiliary monitoring module, and the data are collected through optical power, temperature, current sensors and the like; when abnormal data occur in the monitoring process, troubleshooting and positioning and automatic maintenance and troubleshooting can be rapidly carried out, the frequency of disassembly, maintenance and repair is reduced, and the use experience is improved.
Owner:DONGGUAN HI-OPTEL TECH CO LTD

Microgrid command strategy

A microgrid controller of a microgrid includes a communication interface configured to receive load information corresponding to a plurality of loads connected to the microgrid, receive energy resource information corresponding to a plurality of energy resource systems connected to the microgrid, and output control signals for controlling an operation of each energy resource system; and one or more processors configured to perform at least two dispatch operations selected from a load balance dispatch operation, an export dispatch operation, or a charge / discharge dispatch operation according to a prioritization dispatch scheme. The load balance dispatch operation, the export dispatch operation, and the charge / discharge dispatch operation are assigned different dispatch priorities that define a sequence of dispatch operations of the prioritization dispatch scheme. The plurality of energy resource systems includes energy storage systems (ESSs), unidirectional non-ESSs, and bidirectional non-ESSs.
Owner:CATERPILLAR INC

Modularization-based high-performance computing device power state analysis method and system

The invention relates to the technical field of electric signal data analysis, in particular to a high-performance computing equipment power state analysis method and system based on modularization. The method comprises the following steps: in a modular assembly of a high-performance computing equipment power supply, collecting contact resistance change data of an equipment power supply connector through a distributed sensor network, and calculating a resistance change rate; carrying out partial discharge monitoring on a cable of an equipment power supply, and recording discharge capacity trend data; taking the resistance change rate and the discharge capacity trend data as equipment electric energy characteristic parameters; according to the invention, the accuracy, comprehensiveness, practicability and reliability of the power supply system are remarkably improved by accurately monitoring electric energy parameters, early warning and positioning mechanical faults, evaluating electromagnetic thermal coupling interference, comprehensively analyzing the power supply state and outputting a report.
Owner:HUIZHOU XINHUIYUAN TECH +1

Method and system for suppressing surge current of AC-DC switch of high-power power supply and related equipment

The invention provides a high-power power supply AC-DC switch surge current suppression method and system and related equipment, and relates to the technical field of switching power supplies, and the method comprises the steps: carrying out the parameter initialization after a power supply system is powered on, obtaining a surge current suppression parameter, and starting an nth AC-DC power module in N AC-DC power modules; the method comprises the following steps: monitoring total input current on an alternating current input bus of a power supply system in real time, and circularly executing the following operations until N AC-DC power modules are all started: determining whether the nth AC-DC power module enters a steady-state operation state or not; when it is determined that the nth AC-DC power module enters the steady-state operation state, and n is smaller than N, whether the n AC-DC power modules enter the steady-state operation state or not is determined; and under the condition that it is determined that all the n AC-DC power modules enter the steady-state operation state, performing cooperative suppression operation on the (n + 1) th AC-DC power module in the N AC-DC power modules according to the surge current suppression parameters so as to start the (n + 1) th AC-DC power module.
Owner:CHENGDU HUAPU ELECTRIC APPLIANCE CO LTD

Double-rectification single-inversion redundant uninterruptible power supply system and control protection method thereof

The invention relates to the technical field of power electronics, and particularly provides a double-rectification single-inversion redundant uninterruptible power supply system and a control protection method thereof, and the system comprises a power distribution system, a variable current power module and a control protection system. The power distribution system has double AC inputs, a common DC bus and AC outputs. The converter module comprises three converters, two of which serve as rectifiers and are connected in parallel with the direct current bus, and the other one serves as inverter output. The control method comprises the following steps: in a double-path load balancing mode, realizing power equalization through composite voltage control; in a single-path operation mode, fault seamless switching is realized based on load feedforward and adaptive slope control; in a power distribution mode, triggering according to capacity margin and cooperatively adjusting a droop coefficient based on an optimization target to realize power redistribution; and complete real-time fault protection logic is realized. According to the invention, uninterruptible power supply with high reliability and high electric energy quality is realized, and active regulation and control of power are realized.
Owner:BEIJING HUASHANG SANYOU NEW ENERGY TECH

Integrated power supply system and scheduling method thereof

The invention discloses an integrated power supply system and a scheduling method thereof, and belongs to the technical field of power supply systems, and the method comprises the steps: collecting the operation state data of a micro-grid in real time; establishing a storage battery stress factor table, identifying an effective charge-discharge cycle, calculating a life loss value, and converting the life loss value into life loss cost; the method comprises the following steps of: constructing an optimization model containing life loss cost by taking minimization of total operation cost as a target, and generating an optimal scheduling instruction set in each scheduling period by adopting a model prediction control framework and an improved particle swarm optimization algorithm. According to the invention, through real-time quantitative evaluation and optimal scheduling of the service life of the storage battery, the economy and reliability of the whole life cycle of the system are improved.
Owner:VECTOR ELECTRONIC CO LTD

Dynamic scheduling method and device of household energy system, computer equipment, readable storage medium and program product

The invention relates to a dynamic scheduling method and device of a household energy system, computer equipment, a computer readable storage medium and a computer program product. The method comprises the following steps: predicting a household load power prediction value and a photovoltaic power generation power prediction value after a preset time length based on real-time collected operation condition data of a household power distribution system; based on the household load power prediction value, the photovoltaic power generation power prediction value and the operation condition data, establishing a multi-target dynamic optimization scheduling model; solving the multi-target dynamic optimization scheduling model to obtain an optimization scheduling strategy; real-time dynamic comprehensive priority scores of the load devices are obtained, the real-time dynamic comprehensive priority scores of different load devices are sorted, and a load device priority list is obtained; and according to the optimized scheduling strategy and the load equipment priority list, generating a real-time scheduling control instruction and issuing the real-time scheduling control instruction. By adopting the method, the autonomous adjustment capability of the system can be effectively improved.
Owner:GUANGZHOU RIMSEA TECH CO LTD