CN117977760A - Control system based on energy storage cabinet charge-discharge management usefulness - Google Patents
Control system based on energy storage cabinet charge-discharge management usefulness Download PDFInfo
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Abstract
The invention discloses a control system based on charge and discharge management of an energy storage cabinet, which relates to the technical field related to charge and discharge management systems of the energy storage cabinet.
Description
Technical Field
The invention relates to the technical field of charge and discharge management systems of energy storage cabinets, in particular to a control system for charge and discharge management of an energy storage cabinet.
Background
The energy storage cabinet is equipment for storing electric energy, is widely used in renewable energy systems, micro-grids, emergency power sources and power system dispatching to balance power grid supply and demand, improve electric energy utilization efficiency, cope with sudden power failure and other conditions, and the charge and discharge management control system is a key component part of the battery energy storage system and aims to ensure safe, stable and efficient operation of a battery and prolong the service life of the battery to the greatest extent.
The storage batteries in the traditional energy storage cabinet are connected in series or in parallel to form a whole, and can be regarded as a complete battery, and both charging and discharging are synchronously carried out.
Disclosure of Invention
The invention aims to provide a control system for charge and discharge management based on an energy storage cabinet, which is used for solving the problem that the charging efficiency is low due to the fact that the traditional energy storage cabinet is limited by the upper limit of the current load of a charging circuit.
In order to achieve the above purpose, the present invention provides the following technical solutions: a control system for charge and discharge management based on an energy storage cabinet, the system comprising: the system comprises a battery management module, an energy management module, a power electronic module, a communication module and a safety protection module;
the battery management module is responsible for monitoring, controlling and managing various parameters and operations of the storage battery, ensuring safe and reliable operation of the storage battery, and managing the storage battery in the energy storage cabinet through grouping;
the energy management module realizes the optimized management of energy by coordinating and distributing the grouping of each storage battery in the energy storage cabinet so as to meet the charging and energy supplementing requirements of the system;
the power electronic module is responsible for energy conversion, control and distribution and passes through a power electronic system;
The communication module is used for realizing remote monitoring and control of the energy storage system through the Internet, and collecting data of each part of the system so as to perform real-time analysis, fault diagnosis and performance optimization and inter-group communication, so that each group can communicate and cooperate with each other;
The safety protection module is responsible for monitoring and coping with potential safety hazards and fault conditions possibly occurring in the system so as to ensure the safe operation of the system.
Further, the battery management module divides the batteries in the energy storage cabinet into three types, namely a charging group, a power supply group and a standby group, wherein the charging group is charged, the power supply group is powered or waits for power supply, and the standby group is in a guaranteed state for standby.
Furthermore, the power supply group and the standby group are respectively provided with at least one group, the charging group is provided with at least two groups, each group at least comprises a storage battery, and the respective quantity of the charging group, the power supply group and the standby group and the quantity of the storage batteries contained in each group are flexibly scheduled and adjusted according to the requirements.
Furthermore, the battery management module is used for numbering and marking each storage battery in the energy storage cabinet and matching with the corresponding charge-discharge controller so as to realize grouping and positioning of each storage battery on circuit connection and real-time display of grouping conditions on a display of a control end.
Further, the number of the power supply groups is matched with the number of the electric appliances, and the number of the storage batteries in the power supply group corresponding to each electric appliance is scheduled and adjusted according to the power, the current, the voltage, the using time and the periodicity of the electric appliances.
Furthermore, at least the storage battery to be charged is distributed into two charging groups during charging, and charging control is performed according to the four stages of trickle charging, constant-current charging, constant-voltage charging and charging termination, at least two charging groups adopt peak-shifting charging, namely when one charging group is in the trickle charging, constant-voltage charging and charging termination stage with low current load, the other charging group is required to be in the constant-current charging stage with high current load, so that the charging circuit is ensured to always operate in the safe current load, and current peaks and troughs are reduced.
Furthermore, the energy management module adaptively adjusts the number of the charging groups and the number of the storage batteries in each charging group through real-time power grid power consumption load data during charging, namely, under the condition of ensuring normal operation when the power grid power consumption load is low, the number of the charging groups or the number of the storage batteries in each charging group is increased; when the power grid power load is higher, the number of charging groups or the number of storage batteries in each charging group is reduced under the condition of ensuring normal operation.
Further, the power electronic module is provided with a charging controller and a discharging controller for each storage battery independently, and each cell in each storage battery is provided with an independent circuit breaker and is provided with an independent current sensor, an independent voltage sensor and an independent temperature sensor.
Further, the communication module comprises a remote monitoring and control module, a data acquisition and real-time analysis module, a performance optimization and scheduling module and an inter-group communication and cooperation module;
The remote monitoring and control module is connected to the Internet equipment through one or more of Ethernet, wi-Fi and cellular network so as to realize remote monitoring and control;
The data acquisition and real-time analysis module is connected with various sensors in the energy storage system to acquire data of the running state of the system in real time, wherein the sensors comprise a voltage sensor, a current sensor, a temperature sensor and the like;
the performance optimization and scheduling module transmits performance data of the energy storage system to perform remote analysis so as to optimize and schedule the system;
The inter-group communication and collaboration module provides an efficient inter-group communication mechanism so that individual packets may collaborate and communicate with each other.
Further, the safety protection module screens the battery cells in abnormal states by summarizing monitoring data of the current sensors, the voltage sensors and the temperature sensors at all the battery cells, classifies the health conditions of the battery cells, and refers to the health classification of the battery cells;
When the battery management module groups the storage batteries, the storage batteries with good battery core health conditions are preferentially divided into a charging group and a power supply group, the storage batteries with good battery core health conditions and slightly lower battery core health conditions are divided into a standby group, meanwhile, the battery core is isolated from the storage batteries through the circuit breaker, and when needed, the storage batteries with the battery core are isolated from the group through the circuit breaker.
Compared with the prior art, the invention has the following beneficial effects:
According to the control system for charge and discharge management based on the energy storage cabinet, the storage batteries in the energy storage cabinet are dynamically grouped, so that part of the batteries are charged, and the other part of the batteries are powered, so that the charging and the power supplying are carried out simultaneously;
the storage batteries of the power supply part can be grouped according to the power consumption requirement, so that the storage battery pack can be customized according to the power, current and voltage requirements of each electric appliance, the optimal performance is ensured, and the independent power supply scheme is more flexible, because different electric appliances can be independently configured and controlled to adapt to different working conditions, and meanwhile, if one electric appliance fails, the independent power supply system can continue to operate under the condition that other electric appliances are not influenced;
The storage batteries can be divided into a plurality of groups during charging, peak shifting charging is performed according to the charging characteristics of the storage batteries, so that the load of a charging circuit is kept stable, current load peaks and troughs are reduced, the utilization rate is ensured within the upper limit of the current load of the charging circuit, the energy storage cabinet can be charged with stable current all the time, the upper limit of the current load is not exceeded, and the bearing capacity of the current troughs is not wasted;
in addition, the storage batteries with poor health states can be distributed to the standby groups by dynamic grouping, so that the standby emergency can be realized, and meanwhile, the live overhaul and maintenance are convenient, and the maintenance efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of a control system for charge and discharge management based on an energy storage cabinet according to the present invention;
fig. 2 is a schematic diagram of a battery pack according to the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 and 2, a control system for managing charging and discharging based on an energy storage cabinet includes: battery management module, energy management module, power electronics module, communication module and safety protection module.
1. And a battery management module: and the system is responsible for monitoring, controlling and managing various parameters and operations of the storage battery, and ensuring the safe and reliable operation of the storage battery. The battery management module manages the storage batteries in the energy storage cabinet in groups.
The large-scale battery system generally comprises a large number of single storage batteries, the storage batteries are generally connected in series and in parallel, and the batteries in the energy storage cabinet are divided into three types during battery grouping management, namely a charging group, a power supply group and a standby group.
The charging group charges at any time node, the power supply group supplies power or waits for power supply, and the standby group guarantees that the state is standby for flexible scheduling adjustment according to work demands.
The power supply group and the standby group are respectively provided with at least one group, the charging group is provided with at least two groups, each group at least comprises a storage battery, and the respective quantity of the charging group, the power supply group and the standby group and the quantity of the storage batteries contained in each group can be flexibly scheduled and adjusted according to requirements.
Through numbering and marking each storage battery in the energy storage cabinet and matching with a corresponding charge-discharge controller, grouping and positioning on circuit connection of each storage battery can be realized, grouping conditions are displayed on a display in real time, and management of the batteries is facilitated.
Different power supply groups can be arranged according to the demand schedule to be used for independently supplying power to different electric appliances, and as different electric appliances have different power and energy demands, different storage batteries can be flexibly called according to different power demands to form a power supply group to supply power, so that the power distribution management can be carried out, each storage battery can be independently managed and controlled, the energy distribution can be more flexibly configured and adjusted, different working conditions can be met, meanwhile, fault isolation can be realized, and if one power supply group fails, other power supply groups can still continue to supply power, and the influence of the whole system is reduced. Meanwhile, the charging groups with different numbers can be scheduled and set according to requirements to carry out independent charging, and in order to improve the reliability and stability of the battery during charging, the service life of the battery is prevented from being shortened due to improper charging in the prior art. In the case of meeting the charging and power supply demands, the excess accumulator can be organized into a backup group.
2. Energy management module: the energy management module realizes the optimal management of energy by coordinating and distributing the grouping of each storage battery in the energy storage cabinet so as to meet the charging and energy supplementing demands of the system, and can optimize the utilization of electric energy, reduce the cost and improve the energy efficiency and the stability of the system through intelligent scheduling and control.
The energy management module flexibly schedules and adjusts the respective quantity of the charging group, the power supply group and the standby group and the quantity of the storage batteries contained in each group according to requirements so as to improve the charging and power supply efficiency of the energy storage cabinet. The energy management module adjusts the respective numbers of charging, power and backup groups and the number of batteries contained within each group by:
The scheduling and allocation of power groups is done with reference to the following factors:
1. power requirements: different electrical appliances may have different power requirements, and the number of storage batteries in each group may be determined according to the power requirements of each electrical appliance, so as to ensure that the operation requirements of the electrical appliances are met.
2. Current demand: some devices may require higher current for proper operation, while others may require lower current, and the number of batteries may be adjusted to meet the steady operation of the device by taking into account the current demand of each consumer.
3. Voltage requirement: different consumers may have different requirements on voltage, ensuring that the number of batteries per group is sufficient to provide power output that meets the consumer voltage requirements.
4. Time of use and periodicity: some appliances may require long periods of operation, while others may be intermittent in use, and depending on the time and periodicity of use of each appliance, the number of batteries may be adjusted to ensure that sufficient power is provided when needed.
Charging group: the charging process of a battery is generally divided into four phases: trickle charge, constant current charge, constant voltage charge, and charge termination.
1. Trickle charging: trickle charging is the initial phase of charging, which begins by applying a very small current. The main purpose of this stage is to supplement the self-discharge losses in the battery and to provide sufficient current when the battery capacity is below nominal to ensure safety when constant current charging is initiated. Trickle charging can ensure that the battery remains at an appropriate charge level throughout by supplementing the self-discharge loss, while avoiding safety issues that may arise from direct application of large currents.
2. Constant current charging: the constant current charging phase delivers energy to the battery by applying a constant current to rapidly charge the battery. At this stage, the voltage of the battery gradually increases. By constant current charging, the battery can be charged in a relatively short time, and this method can ensure that the battery maintains a stable current state during charging, avoiding overcharge or overheating.
3. Constant voltage charging: once the battery voltage reaches a preset charge end voltage, the charging system automatically switches to a constant voltage charging mode. At this stage, the charging current gradually decreases until it approaches zero. The constant voltage charging phase ensures that the voltage of the battery does not exceed a safe range and the charging current gradually decreases, helping to avoid situations where the battery is overheated or overcharged.
4. Charging termination: when the battery reaches a charge end condition (e.g., a set charge current or voltage threshold is reached), the charging system automatically stops charging to prevent overcharging or damage to the battery. The charging termination stage ensures that the charging process is completed in time after reaching a preset target, thereby avoiding overcharge, prolonging the service life of the battery and improving the safety of the charging process.
By dividing the charging process into these four phases, the charging process can be better controlled, ensuring higher reliability and stability of the battery during charging, and maximizing the life of the battery. Because the power is different when the battery is in different charging stages, therefore, we can divide the battery that charges into a plurality of charging groups, carry out the wrong stage charging for different charging groups are in different charging stages at same time, so as to stabilize charging power peak value and valley value, in order to play the protection circuit effect, the nimble allotment of charging group can guarantee at any time all to have the charging group to charge, the wrong peak of cooperation different charging groups charges, can furthest carry out continuous charging and energy filling in rated charging power range, in order to lengthen the charging time and reduce charging power, thereby can guarantee higher charging efficiency with lower charging power.
The number of charging groups and the number of storage batteries in different charging groups need to be flexibly adjusted according to the following factors:
1. And (3) temperature adjustment: at high temperatures, the self-discharge rate of the battery generally increases, so that the battery loses energy by itself without operating, while at high temperatures the chemical reaction rate of the battery may increase, but with higher internal resistance, which may lead to a slow charge rate, since more energy is converted into heat rather than electrical energy, and at high temperatures the aging process of the battery is accelerated, reducing its lifetime, since the chemical reaction inside the battery is more severe in high temperature environments, resulting in increased losses of battery material, and some batteries may be more prone to malfunction at high temperatures, even causing safety problems. Therefore, the temperature sensor can be used for monitoring the temperature of the storage battery, the low-temperature storage battery is preferably selected to be organized into the charging groups for preferential charging, meanwhile, the quantity of the charging groups or the quantity of the storage batteries in each charging group is reduced at high temperature under the condition of ensuring normal operation according to the detection of the ambient temperature by the ambient temperature sensor, and the quantity of the charging groups or the quantity of the storage batteries in each charging group is appropriately increased at low temperature.
2. Grid electricity load: grid consumer load refers to the total electrical energy required by the entire power system over a period of time, which represents the total power demand of all consumers and facilities in the power system. Because people's electricity demand typically varies periodically over time, the grid electricity load also varies periodically over time. Because the price in the electric power market is closely related to supply and demand, the electricity price is lower when the electricity demand is lower, so that the number of charging groups or the number of storage batteries in each charging group can be increased under the condition that normal operation is not affected when the electricity load of a power grid is lower, and the number of charging groups or the number of storage batteries in each charging group can be reduced under the condition that normal operation is not affected when the electricity load of the power grid is higher.
Standby group: the storage batteries of the standby groups are not involved in power supply and charging, can be overhauled and maintained, and can be adjusted into the standby groups.
3. A power electronic module: the power electronic system is a key part connected with a power supply, energy storage and an electric appliance and is responsible for energy conversion, control and distribution, and can realize efficient energy conversion, flexibly control charge and discharge processes, adapt to different power supply and load requirements and improve the efficiency of the whole system. The power electronic module is provided with an independent charging controller and a discharging controller for each storage battery on the basis of a conventional energy storage cabinet electronic circuit, so that after the batteries are grouped by the battery management module, the control signals can control the opening and closing of the charging controller and the discharging controller and the connection of a passage, the storage batteries of each charging group and each power supply group are physically connected, independent and unified charging and power supply are realized, and meanwhile, the physical separation between the storage batteries of different groups is realized through an electronic switch or a relay.
In addition, the power electronic module is provided with an independent circuit breaker on each cell in each storage battery, and is provided with an independent current sensor, an independent voltage sensor and an independent temperature sensor so as to be matched with the safety protection module to carry out safety control on each cell.
4. And a communication module: the remote monitoring and control of the energy storage system are realized through the Internet or other communication means, and meanwhile, the data of each part of the system are collected so as to perform real-time analysis, fault diagnosis and performance optimization and inter-group communication, so that each group can communicate and cooperate with each other. The communication module comprises the following modules:
1. Remote monitoring and control module: the communication module needs to integrate devices capable of connecting to the internet in order to enable remote monitoring and control, through one or more of ethernet, wi-Fi and cellular networks. In order to realize remote control of the energy storage system, the communication module supports corresponding communication protocols, including MQTT and HTTP.
2. And the data acquisition and real-time analysis module is used for: the communication module needs to interface with various sensors in the energy storage system to collect data of the running state of the system in real time, wherein the sensors comprise a voltage sensor, a current sensor, a temperature sensor and the like. The collected data is transmitted to a remote server or a cloud platform in real time through the communication module so as to be analyzed and monitored in real time, and meanwhile, the communication module needs to conduct data compression and optimization mechanisms to ensure effective data transmission in consideration of bandwidth and storage limitations.
3. And the performance optimization and scheduling module is used for: the communication module supports remote analysis by transmitting performance data of the energy storage system so as to optimize and schedule the system. Meanwhile, a control instruction can be sent through the communication module, and the operation parameters of the energy storage system can be adjusted to optimize the system performance.
4. Inter-group communication and collaboration module: for different packets in the energy storage system, the communication module needs to provide an effective inter-group communication mechanism so that the packets CAN cooperate and communicate with each other, and the communication mechanism adopts a CAN bus.
5. And a safety protection module: the safety protection module is responsible for monitoring and coping with potential safety hazards and fault conditions possibly occurring in the system so as to ensure the safe operation of the system, and by introducing the safety system, the system can timely respond to abnormal conditions such as battery faults, current overload, over-temperature and the like, take protection measures, prevent the expansion of accidents and improve the reliability and safety of the system.
The safety protection module is used for screening abnormal-state electric cores by summarizing monitoring data of current sensors, voltage sensors and temperature sensors at all electric cores, classifying the electric core health conditions with reference to the electric core health, preferentially classifying the electric batteries with good electric core health conditions into a charging group and a power supply group when the battery management module classifies the electric batteries, classifying the electric batteries with good electric core health conditions into a standby group, and isolating the electric core from the electric batteries through a circuit breaker if the electric core health conditions of one electric core are dangerous, so that other normal electric cores are prevented from being influenced, isolating the electric core or the electric battery with the electric core through the circuit breaker if necessary, transmitting numbers to a control end through the communication module, so that the fault electric core and the electric battery are maintained and replaced, and the overall safety of the energy storage cabinet is ensured.
The security protection module contains the following key functions and components:
1. Sensor data summarization and anomaly screening: the safety protection module needs to be connected to a current sensor, a voltage sensor and a temperature sensor of the battery system, and the monitoring data of each battery cell are summarized in real time. An algorithm is used for data analysis, and the battery cells in abnormal states, such as excessive temperature, excessive voltage, excessive current and the like, are screened.
2. Grading the health status of the battery cells: setting evaluation standards of the health conditions of the battery cells, and grading the health conditions of each battery cell according to the sensor data. This may include establishing a threshold, and ranking according to the degree to which the threshold is exceeded.
3. Battery grouping and optimization: in the battery management module, the battery cells are grouped according to the health condition of the battery cells. And distributing the battery cells with good health conditions to a charging group and a power supply group, and distributing the battery cells into a standby group a little less time. The grouping is optimized using intelligent algorithms to ensure performance equalization for each group.
4. Dangerous cell isolation: when the health condition of a certain battery cell is dangerous, the battery cell is isolated through the circuit breaker. This can prevent the dangerous cell from affecting the entire battery system. If more thorough isolation is needed, the storage batteries where the dangerous cells are located are isolated from the group through the circuit breaker, so that the problem is ensured not to spread.
5. Dangerous cell condition report: the communication module is integrated into the security protection module for transmitting the relevant information to the control terminal. This includes cell number, battery number, and information related to cell health. The use of a communication module ensures real-time transmission for remote monitoring and timely response to problems.
6. Remote maintenance and replacement: after receiving the information transmitted by the communication module, the control end needs to realize remote maintenance and replacement functions. This may include remotely controlling the circuit breaker, alerting personnel to service or replace the dangerous cell or battery.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. Control system based on energy storage cabinet charge-discharge management usefulness, its characterized in that: the system comprises: the system comprises a battery management module, an energy management module, a power electronic module, a communication module and a safety protection module;
the battery management module is responsible for monitoring, controlling and managing various parameters and operations of the storage battery, ensuring safe and reliable operation of the storage battery, and managing the storage battery in the energy storage cabinet through grouping;
the energy management module realizes the optimized management of energy by coordinating and distributing the grouping of each storage battery in the energy storage cabinet so as to meet the charging and energy supplementing requirements of the system;
the power electronic module is responsible for energy conversion, control and distribution and passes through a power electronic system;
The communication module is used for realizing remote monitoring and control of the energy storage system through the Internet, and collecting data of each part of the system so as to perform real-time analysis, fault diagnosis and performance optimization and inter-group communication, so that each group can communicate and cooperate with each other;
The safety protection module is responsible for monitoring and coping with potential safety hazards and fault conditions possibly occurring in the system so as to ensure the safe operation of the system.
2. The control system for managing charging and discharging based on an energy storage cabinet according to claim 1, wherein: the battery management module divides the batteries in the energy storage cabinet into three types, namely a charging group, a power supply group and a standby group, wherein the charging group is charged, the power supply group is used for supplying power or waiting for supplying power, and the standby group is used for standby in a guaranteed state.
3. The control system for managing charging and discharging based on an energy storage cabinet according to claim 2, wherein: the power supply group and the standby group are respectively provided with at least one group, the charging group is provided with at least two groups, each group at least comprises a storage battery, and the respective quantity of the charging group, the power supply group and the standby group and the quantity of the storage batteries contained in each group are flexibly scheduled and adjusted according to requirements.
4. The control system for managing charging and discharging based on an energy storage cabinet according to claim 1, wherein: the battery management module is used for numbering and marking each storage battery in the energy storage cabinet and matching with the corresponding charge-discharge controller so as to realize grouping and positioning of each storage battery on circuit connection and display grouping conditions on a display of a control end in real time.
5. The control system for managing charging and discharging based on an energy storage cabinet according to claim 2, wherein: the number of the power supply groups is matched with the number of the electric appliances, and the number of the storage batteries in the power supply group corresponding to each electric appliance is scheduled and adjusted according to the power, the current, the voltage, the using time and the periodicity of the electric appliances.
6. The control system for managing charging and discharging based on an energy storage cabinet according to claim 1, wherein: at least the storage battery to be charged is distributed into two charging groups during charging, charging control is carried out according to the four stages of trickle charging, constant-current charging, constant-voltage charging and charging termination, at least two charging groups adopt peak-shifting charging, namely when one charging group is in the trickle charging, constant-voltage charging and charging termination stage with low current load, the other charging group is required to be in the constant-current charging stage with high current load, so that the charging circuit is ensured to always operate in the safe current load, and current peaks and troughs are reduced.
7. The control system for managing charging and discharging based on an energy storage cabinet according to claim 1, wherein: the energy management module adaptively adjusts the number of the charging groups and the number of the storage batteries in each charging group through real-time power grid power consumption load data during charging, namely, under the condition of ensuring normal operation when the power grid power consumption load is low, the number of the charging groups or the number of the storage batteries in each charging group is increased; when the power grid power load is higher, the number of charging groups or the number of storage batteries in each charging group is reduced under the condition of ensuring normal operation.
8. The control system for managing charging and discharging based on an energy storage cabinet according to claim 1, wherein: the power electronic module is used for independently setting a charge controller and a discharge controller for each storage battery, and setting an independent circuit breaker on each electric core in each storage battery, and configuring an independent current sensor, an independent voltage sensor and an independent temperature sensor.
9. The control system for managing charging and discharging based on an energy storage cabinet according to claim 1, wherein: the communication module comprises a remote monitoring and control module, a data acquisition and real-time analysis module, a performance optimization and scheduling module and an inter-group communication and cooperation module;
The remote monitoring and control module is connected to the Internet equipment through one or more of Ethernet, wi-Fi and cellular network so as to realize remote monitoring and control;
the data acquisition and real-time analysis module is connected with various sensors in the energy storage system to acquire data of the running state of the system in real time, wherein the sensors comprise a voltage sensor, a current sensor and a temperature sensor;
the performance optimization and scheduling module transmits performance data of the energy storage system to perform remote analysis so as to optimize and schedule the system;
The inter-group communication and collaboration module provides an efficient inter-group communication mechanism so that individual packets may collaborate and communicate with each other.
10. The control system for managing charging and discharging based on an energy storage cabinet according to claim 1, wherein: the safety protection module screens the battery cells in abnormal states by summarizing monitoring data of the current sensors, the voltage sensors and the temperature sensors at all the battery cells, classifies the health conditions of the battery cells, and refers to the health classification of the battery cells;
when the battery management module groups the storage batteries, the storage batteries with good battery core health conditions are preferentially divided into a charging group and a power supply group, the storage batteries with good battery core health conditions and slightly lower battery core health conditions are divided into a standby group, meanwhile, the battery core is isolated from the storage batteries through the circuit breaker, and when needed, the storage batteries with the battery core are isolated from the group through the circuit breaker. .
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