Wind Energy Storage Systems to Ensure Reliable Power Output

Wind power intelligent energy storage system that improves flexibility and efficiency of wind power generation by integrating battery and supercapacitor storage with predictive discharge optimization. The system allows storing excess wind-generated electricity in the battery when winds are strong, and discharging it when winds are weak to smooth out variability. This improves wind power stability compared to direct connection to the grid. The supercapacitor provides fast response for short-term energy needs. The system predicts load demands and optimizes battery discharge levels to maintain constant output.

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A wind turbine energy storage system with a novel control method to improve stability and efficiency. The system uses a double-stator switched reluctance generator with separate inner and outer stators. It connects a supercapacitor between the generator and DC load using a bidirectional Buck/Boost circuit. The control strategy involves dynamically managing the supercapacitor charging and discharging power based on the generator output and load demand. This allows optimized energy flow and balancing in various operating modes to maximize wind resource utilization. The control method involves a sliding mode controller with a modified surface to improve stability and response compared to traditional PI controllers.

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Intelligent control and coordination method and system for wind power energy storage to maximize utilization efficiency and grid stability. The method involves collecting wind speed and grid demand data, predicting future demand, optimizing charging/discharging strategies based on predictions, adjusting turbine parameters based on environment, and coordinating storage with grid load. The goal is to dynamically optimize charging, discharging, and turbine operation in response to changing conditions for optimal energy capture and grid support.

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Integrated wind power and energy storage supervision system and method based on data analysis to optimize wind power stabilization while extending the life of energy storage systems. The system uses a hybrid storage module with both supercapacitors and batteries. It intelligently manages the charging and discharging of the storage system based on wind power generation and grid demand. The method involves determining if the storage is charging or discharging based on wind power excess or deficit over a time period. It also assigns weights to wind power levels to gradually change the balance between charging and discharging over time. This avoids frequent switching and extends battery life.

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Wind turbine energy storage control method to improve grid stability and wind power generation efficiency using flywheels and supercapacitors. The method involves monitoring the grid frequency and adjusting the wind turbine power output using the flywheel and supercapacitor storage. If grid frequency is low, the flywheel provides additional power. If grid frequency is high, the supercapacitor discharges excess wind power. This balances grid frequency and prevents instability. By actively managing wind turbine power with energy storage, it improves grid stability and utilizes wind energy more efficiently.

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Collaborative control of wind turbine generator sets with integrated energy storage systems to improve wind power stability and grid integration. The control method involves dynamically managing the energy storage device charging and discharging based on the wind turbine operating conditions and energy storage level. If the storage level is within a normal range, it charges/discharges to meet turbine needs. If outside, it adjusts based on the deviation. This allows optimizing storage use for turbine and storage needs. The method also coordinates turbine converters for voltage regulation, inertia, frequency support, and storage management.

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A wind farm design with onsite hydrogen production and export to mitigate power fluctuations and avoid long-distance transmission costs. The wind turbines have electrolysis units to generate hydrogen using excess wind power. The hydrogen is exported via a shared above-sea-level manifold rather than subsea connections. This allows easier maintenance and prevents corrosion compared to underwater connections. The manifold connects the turbine hydrogen outputs to a common pipeline for transporting the hydrogen produced by the wind farm. This eliminates the need for individual subsea connections from each turbine. The manifold can be housed in a container or installed at the turbine platform or tower.

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Control system and method for grid-connected wind turbines with energy storage to optimize power generation and grid stability. The system allows grid-connected wind turbines to provide grid inertia support while avoiding battery overcharge/discharge. When battery charge is normal, the storage unit provides inertia response. If battery charge is abnormal, the wind turbine itself absorbs/releases energy to maintain grid inertia. This prevents over/undercharging the battery while still enabling grid inertia support.

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Wind power energy storage device that mitigates intermittency and volatility of wind power generation by using an energy storage unit to store excess wind power when the grid doesn't need it. When wind power is high but grid demand is low, the device directs the wind turbine to send power to the storage unit instead of the grid. This allows the turbine to operate at full capacity even when grid demand is low, reducing curtailment. When the storage is full, the turbine disconnects from the grid to self-peak without exporting power. This improves wind power utilization and grid stability by smoothing out the turbine's output.

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A wind power storage system that optimizes wind energy harvesting by intelligently managing the storage module's charging and discharging. The system includes a wind turbine, an energy storage system, and a controller. The controller determines when to charge or discharge the storage based on real-time wind conditions. This prevents wasting generated wind power when the turbine is operating in high wind conditions. When winds are low, the controller discharges the stored energy to supplement the turbine output. This allows the storage system to intelligently optimize power flow between storage and turbine to maximize overall power generation.

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Controlling and coordinating operations of a cluster of fluid turbines to improve efficiency and compliance with grid requirements under variable fluid conditions. The method involves storing energy generated below grid threshold levels in a cluster of turbines instead of supplying it to the grid. When turbine output exceeds the grid threshold, the stored energy is released to supplement the grid supply. This allows turbines to continue generating power even in low fluid conditions that fall below grid requirements.

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Wind power generation system that balances output by directly converting wind energy into electrolysis energy. The system uses a wind turbine, generator, and battery pack. During low wind, the turbine only charges the battery. During high wind, the turbine charges the battery and generates power. This avoids overproduction. The battery pack has an annular shape with cathode and anode chambers separated by a diaphragm. The rotating turbine shaft drives the chambers, generating induced currents between the batteries. This converts wind energy into electrolysis energy without extra converters.

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Compact energy storage system integrated into wind turbines to address intermittency issues of wind power generation. The system uses the wind turbine structure itself to store excess electricity generated during high winds. It involves installing a battery pack, inverter, and cabinet on the tower. When wind speeds exceed turbine capacity, the inverter diverts excess power to the battery instead of wasting it. During low winds, the battery provides supplementary power to the grid. The battery pack is charged/discharged using a small inverter that adapts voltage to prevent damage to the battery modules. This allows efficient energy storage and release within the turbine, avoiding separate storage units and transmission losses.

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Intelligent wind-solar hybrid power supply system that provides stable and safe power to loads from intermittent wind and solar sources. The system uses a controller, energy storage module, and both wind and solar power generation. The controller converts the unstable wind and solar output into stable voltage for loads. It charges and discharges the storage based on weather, load, and generation. This balances supply/demand, regulates energy, and ensures safe load power from variable sources.

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Using wind power to pump water up to a tank, then releasing it to turn hydroelectric generators continuously, even when the wind stops. The invention addresses the intermittency of wind power by storing water in a tank when there's wind, then using gravity to generate electricity continuously. An auxiliary pump powered by the hydro system can fill the tank if wind is low. The wind turbines themselves are shorter and covered to avoid bird strikes. Camouflage covers hide the turbines.

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Decoupled wind turbine that generates hydrogen gas on-site without connecting to the electrical grid. The turbine has an internal hydrogen generation system that allows it to produce hydrogen from wind power without needing grid electricity. The hydrogen is stored in pipes inside or outside the tower. This enables the turbine to operate in remote locations without grid access, converting intermittent wind energy into storable and transportable hydrogen fuel.

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Backup power system for wind turbines that uses the converter of the turbine itself to provide backup power during grid outages. The system consists of a battery, DC/DC converter, DC/AC converter, and pre-charging unit. The battery is connected to the DC converters which charge the DC bus of the turbine converter. During grid outages, the DC/DC converter provides backup power to the turbine's control systems. The DC/AC converter powers the turbine loads. This leverages the existing turbine converter for energy storage to maintain critical systems and prevent failures during grid outages.

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New energy power generation system with energy storage that has stable and reliable power output even when wind speeds fluctuate. The system uses a hybrid control approach with maximum power point tracking (MPPT) on the generator side and virtual synchronous control (VSC) on the grid side. An energy storage system is connected between the generator and grid. The MPPT extracts maximum power from the wind turbine regardless of wind speed, while the VSC simulates a synchronous generator to actively generate grid voltage. The storage system balances power fluctuations between the generator and grid. This allows stable power output even with variable wind speeds and grid loads.

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Primary frequency regulation for wind farms using hybrid energy storage systems to improve grid stability when wind power fluctuations cause grid frequency variations. The method involves coordinating wind turbine output and energy storage discharge during grid frequency events. It monitors frequency changes, analyzes the wind farm's ability to contribute, and dynamically allocates wind power and storage discharge based on rules. This allows the wind farm to provide primary frequency regulation without relying on wind turbine inertia or load shedding, improving grid stability without compromising wind farm performance.

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Optimizing the power curve of a wind turbine using an energy storage device connected to the turbine's DC bus. The method involves tracking the target power curve during turbine generation by controlling the energy storage device output. When the turbine is generating, the storage device provides power to compensate for any deviations from the target curve. This dynamic compensation ensures the turbine's actual power curve meets standards.

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A pipeline power generation system that uses compressed air storage and multi-stage wind turbines in a sealed pipe to reduce the cost of peak shaving power compared to conventional methods. The system stores excess low-demand electricity in compressed air, then releases it through a sealed pipe with multiple wind turbines of decreasing size. The high-speed compressed air flows through the turbines, converting kinetic energy into electricity as wind speed decreases. Mixing atomized water with the air further improves generation efficiency. Multiple parallel systems can be connected to increase total peak power capacity.

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Enhancing wind-storage systems' ability to participate in grid frequency regulation without causing secondary frequency drops. The method involves dynamically adjusting the droop coefficients of the wind turbine and storage converters based on wind speed and system disturbance levels. This ensures the system can support the entire primary frequency response without withdrawing during frequency events. The droop adjustment leverages the kinetic energy of the wind turbine rotor and storage capacity to provide the full frequency response.

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Operating wind turbines to charge auxiliary power sources during low wind conditions instead of idling the main generator. When certain conditions are met, the turbine blades are pitched to a fixed angle for idling. If wind speed exceeds a threshold, the rotor spins to charge the auxiliary power sources without generating main power. This avoids wasting power keeping the main generator running at low speeds.

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Control method for wind-storage combined systems to improve stability and power balance. The method involves dynamically adjusting the power levels of the converters in real-time based on the remaining storage capacity. When storage is low, it limits discharge power to restore capacity. This prevents overcharging/discharging that destabilizes the system. By coordinating converter power levels based on storage capacity, it ensures DC bus voltage stability and energy balance in the combined wind-storage system.

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A control system for wind power plants to participate in primary frequency regulation of the electrical grid. The system uses battery energy storage in conjunction with wind turbines to provide fast, controllable power to stabilize grid frequency during sudden load changes. The control strategy involves using battery storage to quickly ramp up or down power output of the wind turbines in response to grid frequency deviations. This allows wind plants to provide primary frequency regulation services to balance grid power and prevent frequency oscillations.

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Portable wind energy conversion system for generating electricity from wind using micro-scale wind turbines. The system has a user-portable frame that can be mounted on surfaces like roofs or poles. The frame hosts multiple compact wind turbine modules, each containing tiny wind turbines. These turbines generate electricity when wind moves them. The modules can be electrically connected to external storage devices like batteries. This allows the system to store and supply power for offgrid applications. The compact design enables easy transport and deployment.

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Small wind generator system with reduced maintenance, increased reliability, and lower cost compared to conventional wind turbines. It uses a bellows-shaped outer housing that expands and contracts to store and release energy. The bellows has functional elements that actuate expansion/contraction based on heat or other inputs. This allows the bellows to collect waste heat, expand to store energy, then contract to release it. The bellows also harvests energy from its environment like solar or mechanical sources. The bellows can power devices, augment power systems, cool components, or charge batteries. It has potential applications like spacecraft propulsion, robotics, wind turbine energy recovery, and grid backup storage.

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Renewable energy power control system that extends converter lifetime and efficiently utilizes low-load generation by storing excess power in batteries before sending it to the grid. The system has a renewable energy generator, battery, and converter. When the generator output is small, it sends power to the battery. Once the battery reaches a threshold, the converter adjusts frequency/voltage to send the stored power to the grid. This prevents converter idling during low-load generation and extends converter life.

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Coordinated control system for wind power generation with energy storage to improve stability and grid integration of wind farms. The system uses edge computing and local control to optimize wind turbine power output, frequency regulation, and voltage control. It involves a control terminal that coordinates the wind turbine and energy storage to meet grid requirements. The terminal calculates the expected wind power, manages battery state of charge, adjusts turbine power and storage charge/discharge based on grid needs, and performs primary frequency regulation. This enables smoothing wind power, peak shaving, and grid services from wind farms with storage.

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Optimizing energy storage systems in wind parks to improve efficiency and reduce costs by coordinating the use of multiple energy storage systems across the park. The method involves monitoring the availability of each storage system and then operating them as a combined system. This allows flexible allocation of storage capacity and power based on demand. It also enables coordinated discharging/charging to optimize grid services like frequency support. The combined system can provide energy to wind turbines when the grid is disconnected. This leverages the existing storage capacity instead of adding more dedicated systems.

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An energy storage control system for wind power that improves efficiency by selectively routing power flow. The system has a wind turbine, rectifier, transfer switch, inverter, DC controller, grid, storage, and bi-directional converter. After rectification, the transfer switch selects between connecting the DC controller (mode 1) or inverter (mode 2). In mode 1, power goes directly to the grid or load without the bi-directional converter. In mode 2, it charges storage. This avoids converting and re-converting through the bi-directional converter when storage is full.

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Operating a wind turbine when disconnected from the power grid to enable continued operation and powering critical systems. The method involves switching the auxiliary power system when conditions allow. If the wind turbine is not connected to the grid, it operates the auxiliary system from an energy storage system. A first group of high power consumers is supplied from the storage. When a condition is met, the storage stops powering the high group and keeps supplying the low group. This allows operating the critical systems from the storage while reducing power demand.

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Protecting journal bearings in wind turbines during standstill to avoid damage when wind speeds are too low to turn the rotor. The protection involves using a wind speed monitor to detect when wind speeds exceed a minimum threshold. When this happens, a backup battery switches from low power mode to normal power mode. In low power mode, the battery conserves charge during calm periods. This prevents depletion if the turbine is stationary for long periods. The wake-up signal from the wind speed monitor triggers switching back to normal power mode. This ensures the turbine can restart when winds pick up.

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Layout design for coils in high-temperature superconducting (HTS) generators to reduce perpendicular flux density on the superconducting tape sections. The coils have stacked turns made of HTS tapes where the major sides of the tape substrates are superposed. This creates coil sections with a width parallel to the tape width and a height orthogonal to it. The width-height ratio is between 2 and 5. This configuration significantly reduces the flux density perpendicular to the tapes compared to traditional coils. It allows using HTS tapes without flux diverters in wind turbine generators.

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Off-grid electric system for charging electric vehicles (EVs) using wind power that allows charging of large fleets of EVs without grid connection or with limited grid capacity. The system has multiple wind turbines, an electric storage system, and vehicle charging stations connected by an off-grid power network. An AC-DC converter connects the wind turbine outputs to the network. It allows charging of EVs from wind power or stored energy based on weather forecasts. The system can plan optimal EV charging schedules using forecast wind speeds to balance turbine and storage power.

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Controlling a wind power installation during grid failure to keep it operational. The method involves discharging an electrical store in the uninterruptible power supply when grid power fails. The discharge current is monitored to determine the store's capacity. If the capacity is sufficient, an operating signal is generated, but if insufficient, a warning signal is generated. This allows knowing if the store can still power the wind turbine's azimuth adjustment mechanism.

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Optimizing the charging and discharging of energy storage devices in wind power plants to improve flexibility and grid stability while minimizing the risk of violating operational constraints. The method involves forecasting the probability of changes in grid conditions and wind speeds, then controlling the storage device charging/discharging based on those probabilities. This allows optimized usage of the storage device while avoiding constraint violations. The storage device constraints are determined by balancing the probability forecasts with prescribed violation probabilities.

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Hybrid wind power system with energy storage that enables grid stability improvements by adding virtual inertia. The system combines a wind turbine with an air compression system and an air expansion system connected to a DC bus. When grid absorption is low, wind power excess goes to compress air. When wind power is low, compressed air is expanded to generate electricity. A bidirectional converter connects to the grid. A virtual synchronous control method uses the storage to simulate inertial response of a large synchronous generator. This improves grid stability by providing virtual inertia to compensate for the intermittent nature of wind power.

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A control method for an energy storage system in wind power plants that balances wind power fluctuation stabilization and extending the life of the storage system while also increasing wind power consumption during low demand periods. The method involves dividing the storage system's operation into fixed charging and discharging periods. During low demand periods, it charges to stabilize upward wind power fluctuations. During high demand periods, it discharges to stabilize downward fluctuations while also supplying wind power. This allows the storage system to participate in grid regulation to reduce wind power abandonment during low demand periods.

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Reducing the cost of electrical energy storage in single fan wind turbine systems by using a lithium battery and a DC/AC converter instead of a bidirectional converter and lead-acid batteries. The DC/AC converter connects to the turbine's AC bus and a lithium battery. It extracts excess power from the turbine when grid demand is low, charges the battery, and discharges it when grid demand exceeds turbine output. This allows grid-tied turbines to store excess power for later use without the high cost of bidirectional converters and lead-acid batteries.

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A distributed wind storage control method for isolated grids that balances battery SOC and provides stable frequency/voltage support. The method uses a secondary control algorithm called distributed PI consistency to compensate for droop control errors and ensure consistent SOC balancing between batteries. By coordinating battery charging/discharging in a way that maintains gradual and consistent SOC levels, it prevents overuse and ensures all batteries operate before any others. This prevents SOC imbalances and enables stable isolated grid operation with wind storage.

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A battery storage control method to improve grid stability when integrating variable renewable energy sources like wind power. The method involves accurately predicting wind power and measuring battery state to charge/discharge optimally. The strategy involves building models of the wind turbine, grid, battery, and rectifier/inverter. An artificial neural network controller is trained based on these models. The controller adjusts battery charging/discharging based on predicted wind power and battery state to balance grid frequency and voltage. This mitigates instability issues when wind power fluctuates.

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Fast frequency response method for wind turbines to improve grid stability by utilizing inertial energy stored in the turbine rotor to quickly arrest frequency drops after grid disturbances. The method involves overproducing power from the turbine in response to grid frequency changes, which slows the rotor. A dynamic adaptive gain adjusts the overproduction level based on wind speed and penetration to optimize grid support. This prevents large frequency overshoots and dips compared to fixed gains.

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Energy storage control system and method for wind-solar high-permeability platforms that addresses the challenges of intermittent renewable power generation in areas with high penetration of wind and solar. The control system dynamically manages energy storage devices to balance power supply and demand, prevent reverse power flow, and improve stability. The method involves tracking platform load, calculating renewable generation ratio, and determining charging/discharging based on that ratio compared to a threshold. The storage output power is then calculated based on remaining capacity, ratio, and load. This autonomously optimizes storage operation for intermittent renewable integration in high-permeability areas.

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A method for controlling an energy storage system in a wind farm to better match wind power output to grid requirements and improve valley period wind power consumption. The method involves splitting the dispatch cycle into charging and discharging intervals based on the wind power and load time series. During charging intervals, the focus is on reducing overproduction by charging the storage or no action. In discharging intervals, the focus is on reducing underproduction by discharging or no action. This balances tracking with valley power consumption. Charging/discharging powers are then adjusted within constraints.

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Optimizing the control of energy storage devices in wind power plants by using probabilistic forecasts of grid conditions and wind variability. The method involves processing grid and wind data to forecast likely future grid and wind states. Based on these probabilities, optimal charging and discharging strategies are determined for the storage devices. This allows balancing grid requirements, storage constraints, and revenue potential in a probabilistic way rather than relying on fixed rules.

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Black start control for wind-storage systems during grid outages that enables stable restart of the combined system without overcharging or depleting the battery. The control method involves comparing the load power and maximum wind power. If the load is high, the deficit is supplemented by battery discharge. If load is low, wind power is controlled based on battery charge. This prevents over/undercharging during black starts.

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Wind power generation control system for microgrids that balances power demand, storage charging, and pumped storage to optimize wind power utilization. The system uses energy storage modules, a control center, and wind turbines. Load power is provided by a power transmission module while a charging module receives wind power. Charging speeds are adjusted based on load demand. When load is low, wind power goes to pumped storage. This stabilizes load power, ensures storage charging, and enables emergency use. The charging module switches to transmission when almost full.

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Control system for wind power energy storage that enables efficient and stable wind power generation and storage. The system integrates wind turbines, battery storage, power management, regional coordination, monitoring, and communication to optimize wind power usage. It prevents overcharging, balances distributed storage, coordinates multiple sources, monitors turbine health, adjusts blades based on wind, and provides centralized control and data collection.

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Wind power energy storage system that improves resource utilization by intelligently distributing wind-generated electricity between battery charging and load discharging. It uses a combiner cabinet connected to the wind turbine, battery, and converter. A control unit optimizes power flow based on turbine output and battery charge level. When battery is low, turbine charges only battery. When battery is medium, turbine charges battery and discharges load. When battery is high, turbine discharges load only. This avoids overcharging and underutilizing battery, maximizing overall wind power use.

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