83 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 invention provides a new energy vehicle battery swapping station without lifting, which includes a vehicle passage platform and a container system. The vehicle passage platform is installed inside the container system. A battery swapping mechanism and a vehicle positioning device are installed on the vehicle passage platform, and the vehicle positioning device is located on one side of the battery swapping mechanism. The battery swapping mechanism moves along the vehicle passage platform. A battery storage system, a power supply and distribution system, and a fire protection system are arranged outside the vehicle passage platform, and the battery storage system, the power supply and distribution system, and the fire protection system are arranged side by side with the vehicle positioning device. The present invention does not need to lift the light truck vehicle. The battery height and the offset of the battery of the light truck vehicle are measured respectively by a vision component, and at the same time, the traction mechanism and the locking and unlocking device of the battery swapping mechanism are controlled to be parallel to the battery, achieving the purpose of facilitating the quick extraction of the battery and replacing it with a new battery.

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.

A reliant monotonic charging / discharging controller RMCC can allocate charging and discharging based on state of charge estimates received from a battery management system. A battery storage system (BESS) can include a first group of first battery units. The BESS can further include a second group of second battery units. Additionally, the BESS can include a controller. The controller can receive state of charge estimates associated with the first group and the second group. Additionally, the control can control, based on a comparison of at least one of the state of charge estimates with a charging limit and absent additional sensor data, a first operation of the first group and a second operation of the second group. The first operation can involve charging the first group. The second operation can involve discharging the second group and can be concurrent with the first operation.

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.

A refuse vehicle including a chassis, a body assembly coupled to the chassis, the body assembly defining a refuse compartment, and an electric energy system, the electric energy system including one or more battery cells and control hardware, the electric energy system detachably coupled to the body and configured to be accessed by a door in the body, and wherein the one or more battery cells of the electric energy system are replaceable.

A vehicle includes a chassis, a body assembly, and a plurality of battery cells. The chassis includes a plurality of frame members. The body assembly is coupled to the plurality of frame members of the chassis. A bottom periphery of the body assembly is defined by a point at which the body assembly couples or contacts a top of the chassis. An uppermost periphery of the plurality of battery cells is spaced a distance below the bottom periphery of the body assembly. At least a portion of the plurality of battery cells extends lower than the plurality of frame members of the chassis.

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

A battery stack monitoring method for detecting occurrence of a thermal event in one or more battery stacks, comprising: receiving a signal indicative of a measured voltage in the one or more battery stacks; determining, in dependence on the measured voltage, whether a voltage-drop criterion is satisfied; and outputting, in dependence on the voltage-drop criterion being satisfied, a signal that a thermal event has occurred in the one or more battery stacks. The voltage drop criterion comprises a drop in the measured voltage exceeding a first threshold; and / or the measured voltage dropping below a second threshold. A battery stack monitoring system may comprise one or more processors collectively configured to perform the method. A battery storage system may comprise a plurality of battery stacks, a storage buffer for storing the stacks, one or more conveyors for moving the stacks in and out of the buffer, and the stack monitoring system.

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.

A medical device includes an electric battery storage system including a plurality of battery modules; module fixtures, wherein the battery modules are in the module fixtures, an arrangement of the battery modules in the module fixtures provide a power-related interconnection of the battery modules, the module fixtures are divided into a plurality of basic fixtures and at least one additional fixture; and an equalizing arrangement assigned to the battery storage system, the equalizing arrangement being configured to equalize a low-loss equalization of a basic charge level and an additional charge level between battery modules in the basic fixtures and having a uniform basic charge level and a battery module in the additional fixture and having an additional charge level, and the equalizing arrangement is not configured to cause a uniform basic charge level within the battery modules in the basic fixtures.

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

A vehicle includes a chassis, a front axle coupled to the chassis, a rear axle coupled to the chassis, and an electric energy system. The electric energy system includes a first battery pack positioned forward of the rear axle and supported by the chassis and a second battery pack positioned separate from the first battery pack rearward of the rear axle. An uppermost periphery of the first battery pack is spaced a distance below a top of the chassis and above a bottom of the chassis. At least a portion of the first battery pack extends lower than the bottom of the chassis. At least a portion of the second battery pack is positioned at an elevated height relative to the first battery pack such that an uppermost periphery of the second battery pack is positioned above a point at which a body assembly contacts the top of the chassis.

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.