422 results about "Distribution power system" patented technology

The utility model belongs to the technical field of medium-voltage power distribution systems, and discloses an isolating switch device and a switch cabinet, the isolating switch device comprises an insulating rod, a conductive block, a conductive sheet and an operating mechanism, the conductive block is sleeved on the insulating rod, the conductive sheet is fixedly connected with the conductive block, and the operating mechanism drives the conductive sheet and the conductive block to rotate through the insulating rod. Therefore, the conducting strip is selectively connected or disconnected with the circuit breaker connector bar, and the conducting block is electrically connected with the voltage transformer in the rotating process. An isolating switch device is additionally arranged between a circuit breaker and a voltage transformer in a switch cabinet, an operating mechanism is utilized to drive a conducting strip and a conducting block to rotate through an insulating rod, the conducting block and the voltage transformer keep electrical connection in the rotating process, the position of the conducting strip is changed in the rotating process, and then the conducting strip is selectively connected with or disconnected from a circuit breaker connector bar. The structure is simplified, the number of elements is reduced, flexible operation can be achieved, and the stability and reliability of the disconnecting switch device can be guaranteed.

The invention belongs to the technical field of wireless communication networks, and particularly discloses a LoRa communication system for power distribution network line fault detection and a use method of the LoRa communication system for power distribution network line fault detection. For each node, continuously monitoring changes in voltage, current and temperature monitoring ranges of a line with high voltage acquisition precision and a specific current signal sampling rate, removing noise influence by combining an environmental interference filtering technology, and generating an original monitoring data set according to a preset data acquisition frequency; the data preprocessing module is used for carrying out standardization processing on the collected signals according to the original monitoring data set; the invention aims to solve the problem of logic association caused by mutual fusion of low monitoring precision, high abnormal false alarm rate, unstable data transmission and slow fault isolation response in a traditional power distribution system in the prior art.

The invention discloses a high-precision transformer fault detection method and system, relates to the technical field of transformer detection, is used for solving the problems of insensitive fault characterization and delayed diagnosis under a light load condition, and judges whether to enter a load judgment mechanism or not by acquiring input side access voltage information and counting low-load accumulated duration. When entering a load discrimination mechanism, detecting the start-stop behavior of a load branch and the temperature rise trend of a winding, calculating a light load index, identifying a light load state, carrying out region division on an iron core, collecting magnetic flux density data, and calculating iron loss balance characteristics aiming at iron loss deviation which is easy to occur under a light load condition; the insulation degradation coefficient is calculated by fusing the oil temperature peak value and the dielectric loss factor, and the abnormal index is generated with the iron loss balance characteristic, so that the early warning of the early hidden fault of the transformer can be realized in a light load scene in which the traditional temperature rise and current indexes are insensitive, and the operation reliability and maintenance efficiency of the transformer in a power distribution system are improved.

The invention discloses a short-circuit current limiting and short-circuit recovery transient voltage control device and method for an aviation three-stage power generation system, and the device comprises a three-stage power generator, a power generator controller, a current sensor, a voltage and current collection module, and an asymmetric half-bridge excitation control circuit. Collecting the output current iL and voltage UL of the generator through a digital processor of the generator controller; when short circuit occurs, the given voltage USet of the voltage regulating loop is linearly reduced in a piecewise mode according to the relation between the iL and a preset threshold value, so that the generator works in a constant power interval; and when the short circuit is recovered, closing the upper / lower power tubes of the asymmetric half-bridge excitation control circuit according to the relationship between UL and a preset threshold value in a grading manner, and triggering a negative-pressure follow-current mode of a main excitation winding of the generator controller to quickly extinguish the field. The method can adapt to different generators without adjusting hardware circuit parameters, has no motor ablation risk during short circuit, has transient voltage less than 350V after short circuit recovery, has no power supply interruption in the whole process, has response delay less than 1ms, and greatly improves the safety and robustness of an aviation power supply and distribution system.

The invention provides a high and low voltage power distribution cabinet remote operation and maintenance management and control system based on cloud computing, relates to the field of remote operation and maintenance management, and improves the accuracy and operation and maintenance efficiency of power distribution cabinet fault early warning. The method comprises the following steps: firstly, acquiring sensing data through an edge intelligent sensing module, performing multi-dimensional correlation analysis based on a static safety threshold, identifying an abnormal trend with spatial-temporal correlation, and generating a preliminary early warning; then, a cloud platform prediction decision module drives the digital twin model to carry out dynamic simulation, and a predictive maintenance strategy and a dynamic safety threshold are generated in combination with a prediction algorithm of a historical performance decline curve; and finally, the adaptive control execution module optimizes subsequent analysis by using a dynamic threshold value, and triggers a differential control action from monitoring adjustment to emergency isolation according to a strategy type. According to the invention, by constructing the closed-loop intelligent operation and maintenance architecture of cloud-side cooperation, the operation and maintenance mode transformation from passive response to active prediction is realized, and the reliability and safety of the operation of the power distribution system are significantly improved.

The invention discloses an unattended power distribution room intensive power distribution system and method based on machine learning, and the method comprises the steps: collecting the operation data of an unattended power distribution room, executing the preprocessing, and generating a standardized input data set; constructing a topology, working condition and equipment feature association relationship to form a three-dimensional coupling feature structure; inputting a hierarchical graph time sequence decision network, and fusing topology and time sequence characteristics to output candidate control actions; constructing a dynamic feasible region according to the joint features, and screening a safety action set meeting constraints; inputting into a topological reversible neural differential control module, predicting transient response and optimizing an execution action; and issuing a control instruction, collecting feedback, and triggering model increment update to realize closed-loop optimization. According to the invention, by introducing a hierarchical graph time sequence decision network and a topological reversible neural differential control mechanism, intelligent intensive scheduling and self-learning closed-loop optimization control of the unattended power distribution room are realized.

The invention relates to the technical field of low-voltage power supply and distribution systems, and discloses a dual-power-supply quick switching circuit for a low-voltage power supply system, which comprises a main power supply, a standby power supply, a circuit breaker QF1, a circuit breaker QF2, a relay KA1, a relay KA2, an alternating current contactor KM1, an alternating current contactor KM2 and a load, the main power supply is connected with the circuit breaker QF1, one path of the QF1 is connected with the KM1, and the KM1 is connected with the load; the other path is connected with the KA1 from the QF1, the KA1 is connected with the KM2, the KM2 is connected with a coil of the KM1 and then connected with the zero line N, and the 1B phase line and the 1C phase line of the main power supply are further connected with the two ends of the coil of the KA1; the standby power supply is connected with the circuit breaker QF2, one path of the QF2 is connected with the KM2, the KM2 is connected with the load, the other path of the QF2 is connected with the KA2 from the QF2, the KA2 is connected with the KM1, the KM1 is connected with a coil of the KM2 and then connected with the null line N, and the 2A phase line and the 2B phase line of the standby power supply are further connected with the two ends of the coil of the KA2. When the main power supply is abnormal, the standby power supply can be quickly switched to avoid shutdown of the lower-level equipment, the standby power supply can be automatically switched after the lower-level short circuit fault is isolated, and the power supply reliability of the low-voltage power supply and distribution system is greatly improved.

The invention relates to the technical field of power distribution system protection, in particular to a high-safety energy storage system and a fault detection method thereof, the system comprises a measurement and control center, an insulation monitoring device, a bidirectional DC-DC converter and an integrated DC power distribution unit, the insulation monitoring device is connected with a DC power distribution bus, and the ground insulation state of the bus is monitored in real time; the input end of the bidirectional DC-DC converter is connected with the storage battery pack, and the output end is connected with the DC power distribution bus through the integrated DC power distribution unit to construct an electric energy distribution path. The integrated direct current power distribution unit comprises a circuit breaker, two voltage detection modules and two current detection modules, the first voltage detection module is connected with the direct current power distribution bus and the measurement and control center, the second voltage detection module is connected with the circuit breaker and the measurement and control center, and the circuit breaker is connected with the direct current power distribution bus. And the two current detection modules are connected in series between the output end of the bidirectional DC-DC converter and the circuit breaker to form a current detection loop. According to the invention, through multi-level real-time monitoring and centralized control, the safety and fault response capability of the system are significantly improved.

The invention discloses a power distribution network operation parameter optimization identification method based on optimal power flow calculation, and relates to the technical field of power distribution systems, and the method comprises the steps: collecting historical operation parameters of each node of a power distribution network, screening to obtain a data collection priority of an optimal power flow output index, and reasonably distributing node sampling frequencies according to the data collection priority; measuring and collecting operation parameters of the power distribution network according to the distributed sampling frequency, carrying out pre-detection on the collected data, and meanwhile, carrying out adaptive anomaly judgment and sampling frequency dynamic adjustment and carrying out multi-scale decomposition and sensitivity analysis on node residual errors, so as to realize optimal power flow calculation time window adjustment driven by dynamic parameters; and the load model parameters are verified to ensure the accuracy and reliability of the parameter identification result. Through combination of historical data, real-time measurement and residual sensitivity information, transient disturbance, medium-term fluctuation and long-term trend can be considered in the operation parameter identification of the power distribution network, and the online precision of a load model and line parameters is improved.

Embodiments described herein provide for power distribution control systems and methods. The power distribution control systems and methods estimate one or more signal measurements of one or more nodes of a power distribution network using state estimation, identify a location of an outage in the power distribution network, identify a status of one or more switches that form a configuration to restore power to one or more cells of the power distribution network based on the one or more signal measurements estimated using state estimation, and output control signaling to control the one or more switches based on the identified status.

The invention relates to the technical field of power grid monitoring, in particular to a fault monitoring method, system and equipment for a small power generation and distribution system. According to the method, fluctuation characteristics of monitoring signals are analyzed, fluctuation time periods are determined, fluctuation trends are obtained through the lengths of the fluctuation time periods and voltage instability, and short-term fluctuation time periods and long-term fluctuation time periods are obtained through classification. And analyzing each time point one by one, and further screening out a superposed short-term fluctuation time period in the long-term fluctuation time periods through the voltage value difference between the continuous time points. And for the superposed short-term fluctuation time period, the continuation range is adjusted through the fluctuation trend characteristics, and a monitoring signal with accurate characteristic information is obtained. According to the method, the superposed short-term fluctuation time period is effectively extracted, wavelet transform is used for reconstruction, the monitoring signal with accurate feature information is obtained, the power grid monitoring effect can be improved, and subsequent power control over the micro-grid is facilitated.

The invention discloses a vehicle-mounted high-power power supply and distribution system and method, and the method comprises the steps: enabling one end of an engine to be provided with a transmission wheel train and a high-voltage generator during the running process of a vehicle, and enabling the output rotating speed of the engine to be improved to the rated rotating speed of the high-voltage generator through the transmission wheel train; high-voltage direct current output by the generator drives a high-voltage electric appliance to work after being subjected to voltage stabilization and filtering by the high-voltage distribution box; when an automobile is parked and a mains supply is used, alternating-current mains supply is inverted into direct-current power through the high-voltage distribution box to drive a high-voltage electric appliance to work. The defects that a traditional vehicle cannot run and cannot supply power in a high-power mode under the parking condition can be overcome, especially the technical problem of power supply under the parking condition is solved, software system adaptation development is carried out through the comprehensive technical scheme of a high-power high-voltage silicon generator, mains supply inversion, power supply filtering and the like in combination with post-stage power utilization characteristics, and the power supply efficiency is improved. And stable power supply of the air-conditioning system under running and parking conditions is ensured.

The invention discloses a transmission and distribution system cooperative scheduling method considering decision dependence uncertainty, and relates to the field of power system operation optimization, and the method comprises the steps: 1, respectively building system determinacy optimization scheduling models with the minimum operation cost of a power transmission system and a power distribution system as a target; step 2, in combination with probability information of new energy output and load power of the transmission and distribution systems, obtaining equivalent value probability distribution of transmission and distribution coupling nodes through a convolution algorithm, and constructing a probability distribution set capable of representing boundary coupling variable decision dependence uncertainty between the transmission and distribution systems based on multiple discrete scenes; 3, the probability distribution set rewrites the transmission and distribution system certainty optimization scheduling model into a two-stage distribution robust optimization scheduling model; and step 4, adopting an integrated improved alternating direction multiplier method and a distributed solution algorithm listed in a constraint generation algorithm, and combining a solver Gurobi to realize distributed solution of the robust optimization model, so that the calculation speed is accelerated while the solution optimality is ensured.

The invention discloses a graph reinforcement learning reactive voltage control method considering domain knowledge, and the method comprises the steps: (I) enabling a reactive voltage control problem to be built into a partially observable Markov decision process, and enabling an intelligent agent corresponding to each inverter to only observe the local state quantity of a limited number of nodes around; (2) constructing a space-time diagram in which domain knowledge is embedded; (3) utilizing a graph attention neural network to carry out domain knowledge-based feature reinforcement learning of the multi-agent; and (IV) performing multi-inverter action decision making based on a GAMARL method and the like. According to the invention, by integrating domain knowledge and an advanced graph reinforcement learning technology, the voltage regulation capability of the novel power distribution system under the condition of high-proportion distributed photovoltaic access is remarkably improved, and the intelligent and sustainable development of a power distribution network is promoted.

An example isolation measurement circuit includes a first switch connecting a first isolation resistor to a terminal of a measurement resistor, the first isolation resistor also connecting to a positive bus of a power distribution system. The isolation measurement circuit also includes a second switch connecting a second isolation resistor to the terminal of the measurement resistor, the second isolation resistor also connecting to a negative bus of the power distribution system. The isolation measurement circuit also includes a pulse generator that connects the measurement resistor to chassis ground.

The invention discloses a vehicle power distribution method, device and equipment based on a centralized domain controller, and a storage medium. The method comprises the following steps: collecting multi-source vehicle power distribution associated data through a centralized domain controller; wherein the centralized domain controller is a vehicle part integrating a whole vehicle control unit, an intelligent power distribution unit, a communication gateway unit and a redundant power supply module into a single shell; performing fusion processing on the multi-source vehicle power distribution associated data to obtain target fusion data; generating a vehicle power distribution control instruction based on a pre-constructed load power supply priority rule, a preset software configuration rule and the target fusion data; and on-off states of a large-current power distribution module and a small-current intelligent power distribution module of the intelligent power distribution unit are controlled based on the vehicle power distribution control instruction so as to realize power supply of each load. The technical effects of improving the integration level and the control precision of the power distribution system and guaranteeing the power supply stability are achieved.

A pre-assembled switchboard has a housing having a plurality of bus bars and a cable entrance for a plurality of sub-circuit cables and a sub-circuit termination block with conductor coupling elements configured for connection to the conductors of a plurality of sub-circuit cables. Circuit protection devices are connected between the bus bars and the sub-circuit termination block, and the conductor coupling elements being grouped by sub-circuit so that the conductors for each sub-circuit cable can be terminated adjacent to each other.

The invention discloses an SOP and feeder automation cooperative local fault self-healing method and system, relates to the field of distribution line fault self-healing, and can enable a section switch to lose voltage without opening when an interphase short circuit fault occurs in an SOP-containing distribution line, and firstly starts a fault current-limiting control measure to enable the fault to extinguish arc; secondly, a detection signal is injected in a fixed d-axis voltage mode, and permanent fault recognition is carried out; and finally, on the basis of a fault property identification result, constructing an SOP and feeder automation cooperative local fault self-healing scheme. The method can effectively discriminate the fault property and accelerate the power recovery speed, and facilitates the improvement of the power supply reliability of a power distribution system.

Provided herein is a power distribution system comprising a feedback circuit including a transistor in series with a relay, the feedback circuit regulating regulate a main power path including a main power supply connected in series with an electric power converter. The power distribution system further comprises OR-ing controllers that regulate the main power path and a backup power path including a low-voltage battery. The power distribution system further comprises terminals through which power from the main power path or the backup power path is transmitted to respective components corresponding to channels. The power distribution system further includes a microcontroller that acquires data in each of the channels and control operations associated with each of the channels based on the acquired data.

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.

The invention discloses a power distribution network voltage coordination control method based on an event trigger mechanism, and belongs to the technical field of power distribution control. Dividing the power distribution network into a plurality of sub-regions, establishing a coupling constraint of each region, and decomposing a global optimization problem into optimization problems of each region; a pre-designed ETM-DAL-ADMM algorithm is adopted, a Lagrange function of an optimization problem of each region of a penalty coefficient is linearly processed and dynamically adjusted, local decision variables including boundary variables of each region are updated, inter-region information exchange is carried out according to a preset event triggering mechanism, and a final local decision variable is iteratively solved; and according to the final local decision variable, adjusting the reactive power output of the distributed generator in each region, so that the voltage of the power distribution network conforms to the constraint and the branch loss is minimized. The problem that the stability of the power distribution system cannot be ensured when the communication capability is insufficient in the existing control method can be solved.

The invention discloses a control method and system for an all-in-one intelligent connection distributed power supply acquisition safety terminal, and relates to the technical field of power distribution network intelligent control. A power distribution network line topological structure is converted into a graph structure, and a topological graph structure is obtained; identifying a key time node in the historical operation data, and calculating a time sequence attention weight to weight the historical voltage sequence to obtain weighted historical data; inputting a topological graph structure and the weighted historical data into a graph neural network for feature aggregation to obtain a node embedding representation; identifying a target line according to the comprehensive risk value, and constructing a multi-target optimization function solution based on the node embedding representation to obtain an initial access capacity scheme; and substituting the initial access capacity scheme into the digital twinborn model for simulation, calculating an anti-risk coefficient, and performing correction in combination with a load threshold and a reverse power threshold to obtain an optimal access capacity scheme. And the accuracy of distributed power supply access capacity evaluation and the bearing capacity optimization level of a power distribution system are remarkably improved.

The invention belongs to the technical field of power supply and distribution systems, and discloses a direct current power supply and distribution system and method of a nuclear power station facing a computing power data center, and the system comprises a direct current power supply and distribution architecture of a main power supply system, a medium-voltage direct current system and a low-voltage direct current system. Alternating current of a main power supply system is converted into medium-voltage direct current to be supplied to a medium-voltage direct current system through a first voltage conversion module, then the medium-voltage direct current is converted into low-voltage direct current to be supplied to a low-voltage direct current system through a second voltage conversion module, and the medium-voltage direct current system directly supplies power to a low-voltage system when a main power supply fails. And when the main power supply and the medium-voltage system both fail, the low-voltage system operates independently to meet the load requirement. By adopting the system, the equipment investment and the operation cost are obviously reduced, the electric energy transmission efficiency and the power supply reliability are improved, the potential safety hazard is eliminated, and the efficient cooperative power supply of the station power of the nuclear power station and the load of the data center is realized.

The invention discloses an AC-DC hybrid power distribution system, and belongs to the technical field of power distribution control. The device is applied to a low-voltage side of a distribution transformer area of a power distribution network and supports alternating-current power distribution and direct-current power distribution at the same time. Comprising an MPR controller, an alternating-current power distribution unit and a direct-current power distribution unit which are arranged in a power distribution cabinet, and the MPR controller is connected with the alternating-current power distribution unit and the direct-current power distribution unit for bidirectional communication; the medium-voltage direct-current bus is connected with the alternating-current power distribution unit through a bidirectional four-leg PCS and is connected with the direct-current power distribution unit; the bidirectional four-bridge-arm PCS realizes electric energy bidirectional conversion between the AC power distribution unit and the medium-voltage DC bus, and provides a stable DC power supply for the DC power distribution unit. According to the invention, scenes such as rated grid connection and margin absorption of photovoltaic power generation are formed by adding energy storage and micro-grid control, so that the stability of power supply is ensured; the bidirectional four-bridge-arm PCS is used for solving the electric energy quality problems of three-phase imbalance, harmonic waves, reactive compensation and the like.

The invention discloses a method for introducing a power bus short-circuit fault equivalent model for a manufacturing enterprise and belongs to the field of power supply and distribution systems. Comprises: setting an enterprise typical introduction power supply system; screening system short-circuit current equivalent branches; the enterprise introduces power supply short-circuit impedance equivalent processing; equivalently processing a tie line between the first and second lead-in power buses of the enterprise; modeling by using professional short-circuit current calculation software; the method comprises the following steps: opening a connecting line between two sections of lead-in power supply buses, modeling by taking a first lead-in power supply bus and a second lead-in power supply bus of an enterprise as two independent power supply systems, constructing an equivalent model of a short-circuit fault of the lead-in power supply buses of the enterprise through an impedance equivalent processing method of the connecting line of the lead-in power supply buses, and carrying out short-circuit fault simulation modeling. The method for establishing the equivalent model of the tie line between the two introduced power buses of the internal power grid of the enterprise is provided by performing equivalent processing on the impedance of the introduced power buses, especially the tie line, so that the correctness of short-circuit current calculation of the enterprise can be improved. The method is suitable for the field of enterprise internal power grid simulation modeling.

To realize a power distribution system capable of mitigating excess or deficiency in power demand within a cluster through cooperation between the clusters.SOLUTION: In a power distribution system (100) in which a plurality of clusters (1A, 1B, 1C) are connectable to each other via an interconnection bus (9), a control device (10A) of the cluster (1A) independently operates its own cluster by controlling a switch (50A) to be in an open state under normal conditions, controls a power storage device (20A) so that voltage of a DC bus becomes a predetermined transmission request voltage, temporarily turns the switch into the closed state to apply the voltage of the DC bus to the interconnection bus as a power transmission request signal when voltage of the DC bus reaches or exceeds a predetermined upper limit voltage, controls the switch to be in the closed state, and operates its own cluster in cooperation with another cluster when the other cluster that responds to the power transmission request signal exists.SELECTED DRAWING: Figure 1

The application discloses a kind of voltage effective value protection method and system for airborne power distribution system, belong to airborne high-power solid-state power controller technical field.The method of the present application comprises: by the airborne high-power solid-state power controller SSPC installed in airborne power distribution system, the real-time voltage effective value of aircraft AC voltage is determined;When the voltage fault of the airborne power distribution system occurs, the power supply of the airborne power distribution system is switched from aircraft AC power supply to standby power supply by SSPC in a preset period;And the voltage effective value output by the standby power supply is adjusted to be consistent with the real-time voltage effective value.The real-time voltage effective value of aircraft AC voltage is determined by SSPC, which greatly improves the effective value calculation speed and effectively improves the sensitivity of protection action.

The present invention belongs to the technical field of communication and power distribution cable fault monitoring, and discloses a cable fault monitoring and analysis method based on communication and power distribution. When analyzing abnormal conditions of the monitoring current, the present invention analyzes the voltage fluctuation of the external power grid and then performs an impact analysis of the abnormal conditions of the monitoring current. This analysis method improves the accuracy of fault judgment, helps to locate the fault point more accurately, optimizes the effect of fault location, and can timely discover potential hidden dangers of communication and power distribution cable faults, prevent the expansion of faults, and ensure the safe and stable operation of the communication and power distribution system. When analyzing abnormal conditions of the monitoring communication and power distribution cable data, the present invention conducts a comprehensive analysis of the deformation conditions and physical data abnormalities of the communication and distribution cables in each abnormal monitoring section. This analysis method can achieve accurate diagnosis of communication and distribution cable faults.

This invention provides a distributed generation (DG) optimization configuration method based on a quantum genetic algorithm, aiming to minimize power loss and improve voltage stability in power distribution systems. The method first collects basic data of the power distribution network, including bus numbers, voltage levels, line impedances, bus load demands, and capacity limitations of distributed generation sources. Next, a population containing different DG configuration schemes is initialized using a random number generation algorithm, and the population is iteratively optimized using a quantum genetic algorithm. During the optimization process, quantum selection, crossover, and mutation operations are used to generate a new generation of configuration schemes, and the power loss and voltage level of each scheme are evaluated using a fitness function to gradually approach the optimal solution. After obtaining the optimal configuration scheme, different load conditions (such as load increases or decreases) are simulated to verify and optimize the adaptability of the configuration, ensuring that the system can maintain low power loss and voltage stability under load fluctuations. The final output optimal DG configuration scheme includes bus location, capacity, and optimized power loss and voltage curves, capable of adapting to dynamic load changes. This method can effectively reduce power loss and improve voltage stability in power distribution systems, providing technical support for building efficient and reliable power distribution systems.

The invention discloses a ground station multipath load intelligent power distribution system and a power distribution method. The system comprises a power supply module, a Hall voltage sensor, a single-chip microcomputer, an AD acquisition module, an input / output relay, a Hall current sensor and a master control module. Data receiving, transmitting, analyzing, storing and updating of input voltage and load current are achieved through the input measurement and control module and the load measurement and control module. Through acquisition and judgment of the main control module, the functions of input / load multichannel on-off execution, fault reporting of open phase, overvoltage, undervoltage and the like are realized, and an intelligent power distribution strategy is generated. By using the design method provided by the invention, the design cost can be effectively reduced; the load can be automatically distributed to a three-phase power supply; the method can achieve the quick and simultaneous power-on and power-off of multiple loads in a short time, can record a load curve, updates a power distribution strategy in time, and can adapt to various power distribution scenes.