105 results about "Battery storage system" patented technology

A method of operating a virtual power plant (VPP) controller, that manages an electric vehicle (EV) charging station connected to a power grid, a battery storage system, and an independent power plant, includes: obtaining a first data set including time-series information of power output from the independent power plant; training a machine learning (ML) model that predicts power output from the independent power plant over a predetermined prediction horizon; obtaining a second data set including time-series information of: power demand information from the EV charging station; and power availability information from each of the battery storage system, the power grid, and the independent power plant; generating a predicted schedule of power output from the independent power plant over the predetermined prediction horizon; generating a command by inputting the second data set and the predicted schedule into an energy management system (EMS) policy.

The invention provides a method for realizing in-phase online equalization of a modular battery energy storage system based on an NLM, and the method comprises the steps: S1, regularly obtaining SOCj, x and (1-SOC) j, x, rechargeable energy SOEj, x and dischargeable energy SODEj, x of a module DC side battery through a battery management system BMS according to an equalization control period Tequ; s2, acquiring an equalization index of each module according to engineering requirements, determining an input priority sequence during charging and discharging, and generating a battery voltage queue of all modules; and S3, obtaining the size of a modulation wave in each power control period, and determining the first k modules which should be input currently and the total number k of the input modules. In-phase equalization is realized by fully utilizing an alternating-current reactive energy exchange process and a reactive state of the system, a blind area of a traditional method is eliminated, an application range of the in-phase equalization is expanded, in-phase module equalization is realized in each power frequency period, an operation boundary of the system is not influenced at all, charging of some modules in one power frequency period is realized, and charging efficiency is improved. Some modules discharge, and the equalization speed is higher.

A battery storage system may have a plurality of battery cells with multiple battery cells segregated into modules, and a fire detection and suppressant system for detecting and extinguish fire within each module. The battery cells within each module may be housed in a fireproof housing. The storage system may comprise a container for containing the plurality of battery cells and fire detection and suppression system. The container may comprise anti-vibration mountings and pickup points. The fire detection and suppression system may comprise foam injectors with at least one associated with each module. The storage system may comprise a climate control system and a system for charging / discharging of at least one battery cell. A controller for the system may be adapted to control the fire detection and suppression system for firefighting within each module based on a detected temperature.

A battery storage system includes a battery loading unit where a battery is loaded; a rack door coupled to the battery loading unit; and a battery protection unit installed on one side of the battery loading unit and controls charging and discharging of the battery. The battery protection unit includes; a circuit breaker that interrupts power supplied to the battery; a main body unit that accommodates the circuit breaker; and a unit door coupled to the main body of the circuit breaker.

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.

A method for operating a battery storage system (2) within a renewable energy community (1) is proposed, wherein the renewable energy community (1) comprises several energy systems designed to exchange green electricity (4) among themselves, as well as to use grey electricity (5) themselves and / or to provide it to energy systems external to the renewable energy community (1), wherein a control unit is used to control the battery storage system (2), which is designed to calculate setpoints for charging and / or discharging powers of the battery storage system (2) based on a computer-aided optimization procedure, and wherein the battery storage system (2) is controlled by the control unit according to the calculated setpoints.The method is characterized in that, during the optimization process, the total capacity C of the battery storage (2) is divided into a first and second partial capacity C1,t, C2,t (21, 22), wherein the first partial capacity C1,t (21) is intended for green electricity (4) and the second partial capacity C2,t for grey electricity (5), and the second partial capacity C2,t (22) is limited in the optimization process by a threshold value C2,limit,T, which can be maximally achieved by discharging within a time range T, taking into account a defined discharge power limit Pmax and a defined minimum second partial capacity C2,0 (22). Furthermore, the invention relates to a control unit and a renewable energy community (1).

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.

The invention discloses a power system optimization method and device and electronic equipment. The method comprises the following steps: collecting power data of a target power system; constructing a target function of the target power system optimization problem and a constraint condition corresponding to the target function; decomposing the target power system optimization problem into a multi-scene optimization problem by adopting a Lagrangian relaxation algorithm, and respectively solving the solutions of the multi-scene optimization problem; and iteratively optimizing the solution of the multi-scene optimization problem by adopting a progressive hedging algorithm to obtain a target solution of the target function, the target solution being used for representing a power generation strategy of the new energy power generation system and a storage strategy of the battery storage system under the condition of ensuring the power demand. The technical problem that the scheduling decision of the hybrid power system connected to the new energy power generation system is unreliable is solved.

A method of operating a battery storage system having at least one multilevel converter with a plurality of battery modules includes the steps of: selecting at least one battery module out of the plurality of battery modules, setting the selected battery module in a bypass state for a specified time interval between 1 second and 30 days or between 5 minutes and 20 days, while maintaining multilevel converter operation, and releasing the selected battery module from the bypass state.

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 invention discloses a battery storage system (1) for connection to an energy supply network (4), which system comprises a transformer (9) having a primary winding (15) and a number of secondary windings (18_1... 18_m). The battery storage system (1) also comprises a number of power converter units (22_1... 22_m), wherein each secondary winding (18_1... 18_m) is electrically connected to an AC terminal (25_1... 25_m) of one of the power converter units (22_1... 22_m). Each DC terminal (28_1... 28_m) of the power converter units (22_1... 22_m) is electrically connected to a battery storage unit (31_1... 31_m).

The present invention relates to a battery storage system and a battery protection unit and, more specifically, 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 for simultaneously controlling the locking state of the unit door and the operation of a circuit breaker. According to the present invention, the battery storage system includes a unit door of a circuit breaker accommodation unit in addition to a rack door of a battery loading unit on which a battery is loaded such 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 the operation of the circuit breaker and the locking state of the unit door according to rotations such that the unit door can be unlocked only when the circuit breaker is operated, thereby protecting a user from an electric shock accident.

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.

A method of operating a battery storage system having at least one multilevel converter with a plurality of battery modules includes the steps of: selecting at least one battery module out of the plurality of battery modules, setting the selected battery module in a bypass state for a specified time interval between 1 second and 30 days or between 5 minutes and 20 days, while maintaining multi-level converter operation, and releasing the selected battery module from the bypass state.

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 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.

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.