65 results about "Battery storage system" patented technology

Systems and method to minimize conditions that cause sub-synchronous oscillation (SSOs) associated with series compensated transmission grids. The implementations ensures the correct development of methods and systems that can mitigate sub-synchronous oscillation (SSOs) associated with a series compensated transmission grid and enhance the series compensation efficiency. An example implementation is a network-based SSO mitigation technology, and another example implementation is a generator-based SSO mitigation technology. The discovery and example implementations are applicable to series compensated transmission networks with synchronous generators, induction generators, wind turbines, solar photovoltaic generators, charging stations, battery storage systems, high-voltage DC transmission systems, STATCOMs, inverter-based data centers, and other inverter-based resources.

The present inventive concepts comprise a connected, intelligent transfer switch system that permits remote metering, monitoring and control of energy sources connected to a device both by hardwired and wireless connection, and the method for operating this system is disclosed. The inventive concepts represent a significant improvement upon existing transfer switch systems by incorporating advanced monitoring and control capabilities of all energy resources connected to a building, such as fossil-fuel powered generators, battery storage systems, solar photovoltaic arrays, wind turbines, utility grid connections, controllable loads, or other technologies which generate, store or consume energy. The inventive concepts further provide means for flexible and intelligent operation of these resources through a dedicated network communication connection which enables advanced operational decision-making to determine optimal switching actions and real-time interaction through user-facing digital interfaces.

A battery storage system includes a multilevel-converter and a plurality of storage sections. Each storage section includes at least one holding means configured to hold at least one battery and at least one cable with at least one connector configured to electrically connect at least one of the batteries. The multilevel-converter includes a plurality of converter modules connected in series with each other and each converter module has at least one bypass switch configured to bypass the converter module and a battery switch configured to disconnect the battery at the same time when the bypass switch is on. The battery storage system further includes a controller with means for detecting the presence of a battery in each storage section and means for configuring the switches of the plurality of converter modules based on the presence of batteries such that the plurality of converter modules provides a required voltage.

According to the optimal planning strategy optimization method and related equipment of the photovoltaic storage and charging integrated micro-grid, the photovoltaic storage and charging integrated micro-grid comprises a photovoltaic module, a battery storage system and a plurality of electric vehicles, and the method comprises the following steps: based on the photovoltaic power generation uncertainty of the photovoltaic module and the vehicle state uncertainty of the electric vehicles, determining the optimal planning strategy of the photovoltaic storage and charging integrated micro-grid; obtaining a scene fuzzy set; obtaining a corresponding operation cost function of the photovoltaic storage and charging integrated micro-grid in each scene, and further obtaining an operation cost risk measurement function and an operation cost maximum expectation function; based on the investment equipment resource parameters, obtaining an investment cost function, and based on the charging and discharging power parameters, obtaining a power balance penalty function; according to the method, a multi-objective strategy optimization function is further obtained, a planning strategy optimization model is obtained based on the multi-objective strategy optimization function so as to solve and obtain optimized investment equipment resources, and the reliability of an optimized decision obtained by solving is effectively improved in a light storage and charging integrated micro-grid scene with strong uncertainty.

The present invention relates to an arrangement for a cooling system in a battery storage device, comprising: at least two connection ports for coolant lines; a connecting hose with at least two hose ends comprising at least one radially inwardly projecting gas-tight sealing lip and at least one support lip adjacent to the sealing lip in the axial direction, wherein the connecting hose is designed to fluidically connect the connection ports to each other, wherein the support lip has at least one axially through opening.

The present invention relates to a battery storage system and a battery protection unit, and more particularly to a battery storage system including a rack door of a battery loading section and a unit door of a battery protection unit, and a battery protection unit in which the lock state of the unit door and the operation of a circuit breaker are simultaneously controlled. The battery storage system according to the present invention includes a unit door for a circuit breaker housing in addition to a rack door for a battery loading section where batteries are loaded, so that the circuit breaker can be activated without opening the battery loading section, thereby protecting users from static electricity flowing to the batteries. The battery protection unit according to the present invention includes a handle assembly that can simultaneously control the activation of the circuit breaker and the lock state of the unit door by rotating it, so that the unit door can be unlocked only when the circuit breaker is activated, thereby protecting users from electric shock.

To reduce the possibility of feelings of unfairness arising among those who own battery storage systems. [Solution] A discharge amount distribution system is configured comprising: a discharge amount acquisition unit that acquires a discharge amount indicating the amount of electrical energy that can be discharged from N batteries (where N is an integer of 2 or more); a target electrical energy acquisition unit that acquires a target electrical energy indicating the total amount of electrical energy to be discharged from the N batteries; and a distribution unit that designates the batteries in order of increasing discharge amount as the nth battery (where n is an integer from 1 to N), sets the discharge amount of the nth battery as the nth discharge amount, extracts the first discharge amount × N from the target electrical energy when the first discharge amount × N is less than the target electrical energy, distributes the first discharge amount × N to all the batteries, distributes the remainder of the target electrical energy after distribution to the second to the nth batteries, and sets the sum of the electrical energy distributed to each of the batteries as the discharge amount of each battery.

The invention relates to a method for determining the state of health (SoH) of a battery system (10). The battery system (10) is, in particular, a stationary battery storage system. An analysis of the voltage profile (56) is performed, at least during a discharge phase (44). The following method steps are carried out: a) Discharging the battery system (10) until a predetermined target voltage or a target state of charge of the battery system (10) is reached, b) Measurement of the voltage profiles (56) in the battery system (10) during the discharge phase (44), c) Analysis of a voltage profile (56) of the battery system (10) after reaching a discharge end time SoC_End (50) and d) Determination of the state of health (SoH) and / or a fault state of the battery system (10) based on measured voltage waveforms (56, 70) during the discharge phase (44) or during relaxation phases (62) following the discharge phase (44) and of reference voltage waveforms (52, 54; 72, 74) recorded before commissioning the battery system (10) for differently aged batteries during discharge or, in the case of de-energized batteries (I = 0 Ampere), for differently aged batteries during relaxation. Furthermore, the invention relates to a device for determining the state of health (SoH) of a battery system (10), in particular a stationary battery storage system.

A battery management device according to an embodiment of the present application includes a voltage measurement unit for measuring a voltage of a battery at each of preset voltage measurement periods, a communication unit for outputting voltage information about the voltage measured by means of the voltage measurement unit at each of preset communication periods, a power supply unit for supplying a running power source to the communication unit when the communication unit is running, an environmental information measurement unit for measuring environmental information including a temperature and / or humidity in the vicinity of the power supply unit, and a control unit for receiving the measured environmental information from the environmental information measurement unit, judging whether the power supply unit is runnable based on at least one of the received environmental information, a capacity of the power supply unit, and a current consumption required for the communication unit to output the voltage information and a communication time, and controlling a running of the communication unit according to a result of the judgment about whether the power supply unit is runnable.

Disclosed herein is a method for determining a schedule for charge and / or discharge of one or more batteries of a battery storage system 100 comprising receiving, in a first operation, an estimate for

The article is a battery system including a power converter and a battery.

This invention proposes an insulation testing device and method for industrial and commercial battery storage systems. The insulation testing device includes a high-voltage connection module, an insulation resistance adjustment module, a polarity switching module, and a human-machine interface module. The high-voltage connection module, the polarity switching module, and the insulation resistance adjustment module are connected sequentially. The human-machine interface module outputs corresponding resistance switching signals and polarity switching signals to the polarity switching module and the insulation resistance adjustment module according to the insulation test operation, so as to connect the positive or negative terminal of the battery module to the corresponding test resistor. At the same time, the human-machine interface module communicates with the battery management system and triggers the battery management system to perform insulation testing, and communicates to obtain the insulation test results. The insulation testing device controls the battery management system to realize insulation testing and verify the test results, thereby improving testing efficiency and safety.

Underground battery storage system, wherein the underground battery storage system comprises an enclosure (2) arranged in the ground (E), battery storage modules (5) and electronic components (6) for controlling the battery storage modules (5), characterized in that the battery storage modules (5) and electronic components (6) are arranged in a cabin (1) embedded in the enclosure (2), wherein the cabin (1) with the battery storage modules (5) and electronic components (6) arranged therein can be extended vertically from the enclosure (2) arranged in the ground (E) by means of a lifting system.

In accordance with one embodiment of the present invention, an aircraft comprises a battery pack mounted external to the aircraft structure. The batteries are configured to vent directly to the environment during battery thermal runaway. In one embodiment, an aerodynamic fairing provides an aerodynamically efficient surface and weather protection during nominal flight conditions. During battery thermal runaway however, the aerodynamic fairing is configured to expose the battery to the environment.

The utility model discloses a battery storage system. The battery storage system comprises a storage rack, a battery box and a battery box, wherein a plurality of discharging platforms are formed on the storage rack; the top of the storage box is provided with an opening allowing a battery to be placed in, and the storage box is detachably arranged on the discharging platform; the water injection assembly is arranged on the storage rack and used for injecting water into the storage box, and the water injection assembly at least comprises a water injection piece which is arranged at the top of the discharging platform and located above the storage box; the limiting assembly is arranged on a discharging platform of the storage rack and used for limiting the position of the storage box; according to the utility model, the problem that the traditional battery pack is arranged in the charging cabinet and is difficult to disassemble and transfer when the phenomena of smoking, fire catching and the like occur in the charging and discharging process of the battery pack can be solved.

Multi-channel DC monitoring and protection system for monitoring and protective shutdown of DC energy paths of a photovoltaic system and / or a battery storage system, including a) a plurality of channels, wherein each channel can be assigned a DC path to be monitored, b) a measuring and I / O unit for acquiring at least one electrical DC measurement per channel, c) an evaluation unit that is set up to generate features from channel-related measurement data and to derive at least one anomaly indicator by comparing current measurement data and / or features with channel-related reference data, d) a storage unit for storing configuration data and channel-related reference data, wherein the reference data includes a plant-specific normal state model and / or a baseline of good state, e) Channel-wise isolating devices for electrical isolation of the respective DC path, each isolating device having a switching status feedback, f) a safety state machine which, in the event of a fault-relevant event or in the event of a contradiction between the controlled and the reported switching state, sets a blocking state and prevents re-switching until acknowledged, the evaluation unit includes a hybrid protection logic with g) a deterministic protection pathway for evaluating limit and / or plausibility violations and h) an anomaly path for detecting plant-specific signature deviations.

A method of operating a virtual power plant controller, that manages a power consumer connected to a power grid, a battery storage system, and an independent power plant, includes: obtaining a first data set including time-series information for each of power usage of the power consumer, power output of the independent power plant, power output capacity of the power grid, and state of charge of the battery storage system; training a machine learning (ML) model based on the time-series information using a ML algorithm, the ML model determines one or more parameters of an energy management system (EMS) policy to satisfy a power demand of the power consumer over a predetermined horizon; obtaining a second data set including power availability information; determining the one or more parameters of the EMS policy by inputting the second data set into the ML model; transmitting a command based on the EMS policy.

The present invention provides an output control device and battery storage system that can easily secure the necessary charging and discharging power even when some of multiple power converters malfunction. [Solution] The output control device includes an information acquisition unit that acquires status monitoring information of multiple power converters that control the charging and discharging operations of multiple storage batteries, and a control unit that, based on the status monitoring information, causes each of the multiple power converters to output power of an amount corresponding to multiple charge / discharge command values. The control unit performs overload control when, while a set rated power is set for the multiple power converters, some of the multiple power converters stop abnormally and the required charge / discharge power is greater than the sum of the set rated powers of the remaining power converters, by setting charge / discharge command values ​​equal to or greater than the set rated power for at least some of the remaining power converters.

To provide a method of detecting an abnormal battery capable of early detecting an abnormal cell.SOLUTION: A storage battery system operates an assembled battery while adjusting the capacity, in which a plurality of battery cells are connected in series in the assembled battery and is provided with a controller capable of adjusting the capacity. The controller obtains the battery status from each of the plurality of batteries, generates a control command based on the obtained battery status, and in the process of adjusting the capacity of the battery cell whose voltage is outside an allowable range by the control command from the assembled battery, determines a battery cell having a voltage deviation of a predetermined value or more with respect to the average voltage of the assembled battery as an abnormal battery. In addition, the deviation between the voltage of each battery cell and the average voltage of the assembled battery may be calculated. For example, if there is a deviation of 3σ or more in a normal distribution, it may be determined that the battery is abnormal.SELECTED DRAWING: Figure 11

This invention provides a battery pack utilization method and a battery storage system that enable effective use of battery packs mounted on electric industrial vehicles or stationary battery storage systems. [Solution] The battery pack utilization method involves mutual use of a battery pack having multiple battery modules 18, which are configured by connecting lithium-ion secondary batteries 21 for storing electricity in series, between an electric forklift 1 and a stationary container battery storage system 30 or another electric forklift.

A battery storage system includes a status information measuring part configured to measure status information of a battery, a processor configured to determine a plurality of phase sections of the battery based on the status information and to determine an optimal charging pattern of the battery for each phase section, and a charging device configured to charge the battery based on of the optimal charging pattern.

The present invention relates to a battery cell assembly for enclosing and electrically contacting an electrochemical active material (60), comprising a housing (10) and a positive pole element (20) with a connecting section (21) extending through a housing opening (12). According to the invention, a heat dissipation element (40) is arranged in the housing (10), which is in contact around the central housing opening (12) with an inner surface of the shoulder section (13) of the housing (10), wherein the heat dissipation element (40) is designed as a shaped body with a corresponding surface shape to the shape of the inner surface of the shoulder section (13) of the housing (10), preferably made of an electrically insulating material comprising at least particles of a ceramic material.

The present invention relates to a battery storage system and a battery protection unit, and more particularly, the present disclosure relates to: a battery storage system including a rack door of a battery loading unit and a unit door of a battery protection unit, respectively; and a battery protection unit that controls the locking state of the unit door and the operation of the circuit breaker. According to the present invention, the battery storage system includes a cell door of a circuit breaker accommodating portion in addition to a rack door of a battery loading unit loaded with a battery, so that the circuit breaker can be operated without opening the battery loading unit, thereby protecting a user from static electricity flowing in the battery. The battery protection unit according to the present invention includes a handle assembly capable of simultaneously controlling an operation of a circuit breaker and a locked state of a cell door according to rotation such that the cell door is unlocked only when the circuit breaker is operated, thereby protecting a user from an electric shock.

The invention relates to a temperature control plate 1 with the following features: A support plate 4 is disposed between a smooth upper cover plate 5 and a smooth lower cover plate 6, and is connected to both cover plates 5. The support plate 4 has a temperature control channel profile forming temperature control channels 13 and 14 between the support plate 4 and the adjacent cover plates 5. The upper temperature control channels 13 run between the upper cover plate 5 and the support plate 4, and the lower temperature control channels 14 run between the lower cover plate 6 and the support plate 4. The support plate 4 has through-holes for connecting the upper and lower temperature control channels 13 and 14 to each other, allowing for the diversion of the temperature control medium.Support plate 1 is positioned for temperature control between cell levels of a battery storage system.

The present invention relates to a battery storage device (100) with a spark trap, a corresponding device (40), and a method. The device (40) comprises a liquid volume (43) which is contained in a section (X) of a discharge section (S) of a discharge channel (30), wherein the liquid volume (43) fills a flow cross-section (Q) to be passed through in the section (X), for immersive gas scrubbing of the outgassing during flow through the liquid volume (43).

The application relates to an underwater battery replacement system of an AUV, which is used for replacing a battery pack of the AUV, the battery pack is provided with a docking port, the AUV is provided with a second docking head, and the replacement system comprises a main frame, a battery storage system arranged on one side in the main frame, a first docking head arranged on the battery storage system, a replacement mechanism arranged on the other side in the main frame and used for replacing the battery pack, a docking seat arranged on the replacement mechanism, a guide support arranged on the top of the main frame, wherein the docking seat is locked with one end of the docking port, the first docking head and the second docking head are the same in structure, are locked with the other end of the docking port, and the other end of the docking port is automatically unlocked while the one end of the docking port is locked with the docking seat. The application realizes the unlocking of the second docking head and the docking port and the locking of the docking seat and the docking port at the same time, the battery pack can be quickly replaced underwater, and the working time ratio of the AUV is increased.

The present invention relates to a battery cell assembly for enclosing and electrically contacting an electrochemical active material (60), comprising a housing (10) and a positive pole element (20) with a connecting section (21) extending through a housing opening (12). According to the invention, a heat dissipation element (40) is arranged in the housing (10), which is in contact around the central housing opening (12) with an inner surface of the shoulder section (13) of the housing (10).

This technology provides efficient charge and discharge planning for multiple battery storage systems. [Solution] An information processing device comprising: a discharge target acquisition unit that acquires a discharge target for a storage battery; a dischargeable amount acquisition unit that acquires the dischargeable amount of a storage battery; and a discharge plan creation unit that determines the discharge amount per unit time within a time period for each of the multiple storage batteries in order to achieve the discharge target based on the discharge target and the dischargeable amount, and creates a discharge plan for the multiple storage batteries, wherein the discharge plan creation unit repeatedly performs a process of selecting a combination of two or more storage batteries from the multiple storage batteries and changing the value of the discharge amount per unit time within a time period for the storage batteries related to the combination in order to increase the score calculated for each storage battery, and when a predetermined termination condition is met, adopts the discharge amount per unit time within a time period for each of the multiple storage batteries that maximizes the sum of the scores of each storage battery as the discharge plan.

In a process for charging or discharging a vehicle or stationary battery storage system, a current grid frequency is provided that is representative of a current frequency of an alternating voltage in a power grid to which the vehicle or stationary battery storage system is connected. Depending on the current grid frequency, a charging power or a discharging power is determined, and the vehicle or stationary battery storage system is electrically charged with the determined charging power or discharged with the discharge power. In analogy to the aforementioned charging or discharging, power generation plants and electricity consumers are operated proportionally in a frequency-dependent manner in order to provide primary control reserve (PCR) or frequency containment reserve (FCR) in a very simple way and thus stabilize the power grid as a whole system.

An energy recovery device for exhaust systems is provided, comprising an attachable portion for connecting to natural gas appliance exhaust, a magnetized turbine optimized for hot gas ascent, a generator, an integrated carbon capture system, a power module for HVAC blower fans, and a battery storage system. This unique combination allows for easy integration with existing appliances, efficient power generation, emissions reduction, resilient HVAC operation, and practical power management. The device can be retrofitted to existing exhaust systems or integrated into new appliances. By recovering both kinetic and thermal energy from exhaust gases while reducing emissions, the invention significantly improves overall energy efficiency and environmental impact compared to prior art solutions.