Energy storage equipment aging test method, management platform and system
By dividing energy storage equipment into test units and adjustment units, automatically controlling charging and discharging and generating test reports, the problems of high testing costs, low efficiency and poor accuracy in the existing technology are solved, and efficient and accurate aging of energy storage equipment is achieved. test.
Patent Information
- Application Number
- CN202411310256.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-19
- Publication Date
- 2024-12-31
AI Technical Summary
The existing aging testing methods for energy storage equipment have problems such as high testing costs, low testing efficiency and poor testing accuracy, especially manual operations can easily lead to errors and inefficiency.
The energy storage equipment is divided into test units and adjustment units, and charge and discharge tests are carried out through automated control, power is gradually increased, full-filled discharge cycle test is carried out, and a test report is generated through signal sampling to achieve automated analysis.
It significantly reduces testing costs, improves testing efficiency and accuracy, and avoids manual operation errors and inefficiency problems.
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Figure CN119224456A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of energy storage device testing, and in particular to an energy storage device aging test method, an energy storage device aging test management platform, and an energy storage device aging test system. Background Art
[0002] With the strong support of the "dual carbon" goal and national policies, the rapid development of new energy power in my country has brought the energy storage industry into a period of large-scale expansion. The charging and discharging efficiency and safety of energy storage equipment are important indicators for measuring the performance of energy storage technology and have received widespread attention. In order to avoid serious performance and safety problems in energy storage equipment during the commissioning phase, aging tests are needed to expose defective equipment in advance.
[0003] In the aging test process of traditional energy storage equipment, the upper computer is usually manually operated to control the charging and discharging of the energy storage equipment for testing, which may cause manual operation errors and low efficiency. If the towing solution is used for testing, multiple people are required to cooperate in the operation, further increasing the testing cost. The manual testing method can only analyze the test results through relatively inefficient means, which may result in missed or misjudgment.
[0004] In summary, the existing technology has problems such as high testing cost, low testing efficiency and poor testing accuracy. Summary of the invention
[0005] Therefore, the technical problem to be solved by the present invention is to overcome the problems of high test cost, low test efficiency and poor test accuracy in the prior art.
[0006] In order to solve the above technical problems, the present invention provides an energy storage device aging test method, comprising:
[0007] Dividing the multiple energy storage devices into a test unit including multiple energy storage devices to be tested and a regulating unit including multiple towed energy storage devices;
[0008] According to the basic configuration information of the energy storage device, one energy storage device is selected from each of the test unit and the adjustment unit to form a plurality of drag groups, and the plurality of drag groups are numbered in sequence;
[0009] Starting the plurality of towed groups in sequence according to the numbers, controlling the discharge of the energy storage device to be tested, controlling the charging of the towed energy storage device, and gradually increasing the charging and discharging power according to the power adjustment value from the initial power until the maximum charging and discharging power is reached;
[0010] Perform a full charge and discharge cycle test on the energy storage device to be tested with the stored power emptied until the cumulative number of tests reaches the maximum number of charge and discharge tests;
[0011] Signal sampling is performed on each energy storage device to be tested, and a test report for each energy storage device to be tested is generated based on the sampling point data.
[0012] Preferably, the number of energy storage devices in the testing unit is the same as the number of energy storage devices in the regulating unit.
[0013] Preferably, the basic configuration information of the energy storage device includes a communication address and communication parameters.
[0014] Preferably, the step of starting the plurality of towed groups in sequence according to the numbers, controlling the discharge of the energy storage device to be tested, controlling the charging of the towed energy storage device, and gradually increasing the charge and discharge power according to the power adjustment value from the initial power until the maximum charge and discharge power is reached includes:
[0015] Start the first numbered pair group, control the state of the energy storage device to be tested to discharge, control the state of the pair energy storage device to charge, and start from 0 power, gradually increase the charging and discharging power according to the power adjustment value;
[0016] When the charging and discharging power of the energy storage device to be tested in the current tow group reaches the maximum charging and discharging power, the current tow group is stopped, and the start timing of the next tow group is started;
[0017] When the timing duration reaches the startup interval duration of the drag group, the next group of drag groups is started to perform the above-mentioned charging and discharging power setting steps.
[0018] Preferably, the method of sequentially starting the plurality of towed groups according to the numbers, controlling the discharge of the energy storage device to be tested, controlling the charging of the towed energy storage device, and gradually increasing the charge and discharge power according to the power adjustment value starting from the initial power until the maximum charge and discharge power is reached also includes:
[0019] The operating status of the multiple energy storage devices is collected, and fault detection is performed. If a fault exists, an alarm is issued; if no fault exists, the next step is continued.
[0020] Preferably, the step of performing a full charge and discharge cycle test on the energy storage device to be tested with the stored electricity level emptied until the cumulative number of tests reaches the maximum number of charge and discharge tests comprises:
[0021] Control the state of the energy storage device to be tested that has been emptied of its stored electricity to be charged and started, and control the state of the corresponding towed energy storage device to be discharged and started;
[0022] When the battery capacity of the energy storage device to be tested reaches 100%, stop charging, set its charging power to 0, set the discharge power of its corresponding towed energy storage device to 0, add one cumulative test number, and start timing;
[0023] When the timing time reaches the charge and discharge cut-off static time, the state of the energy storage device to be tested is controlled to discharge and start, and the state of the corresponding towed energy storage device is controlled to charge and start;
[0024] When the battery capacity of the energy storage device to be tested reaches 0%, the discharge is stopped, the discharge power is set to 0, the charging power of the corresponding towed energy storage device is set to 0, the cumulative test times are added once, and the timing is started;
[0025] When the timing time reaches the charge and discharge cut-off static time, the above full charge and discharge steps are repeated until the cumulative number of tests reaches the maximum number of charge and discharge tests.
[0026] Preferably, in the full charge and discharge cycle test phase, the energy storage device to be tested is controlled to operate at the maximum charge and discharge power, and according to the total system power, real-time control is performed so that the corresponding towed energy storage device is not fully charged or emptied before the battery reserve of the energy storage device to be tested reaches 0% or 100%.
[0027] Preferably, the signal sampling of each energy storage device to be tested and generating a test report for each energy storage device to be tested according to the sampling point data includes:
[0028] Sample the signal of each energy storage device to be tested, and classify the sampling point data according to the charging process and discharging process;
[0029] According to the requirements of different test items, the maximum value, minimum value, average value and cumulative value of the sampling point data are calculated;
[0030] According to the judgment conditions of different test items, determine whether the sampling point data of each energy storage device to be tested meets the test requirements;
[0031] When the sampling point data of the energy storage device to be tested passes all test items, it is determined that the energy storage device to be tested has passed the test.
[0032] The present invention also provides an energy storage device aging test management platform, including:
[0033] An energy storage device grouping module, used to divide a plurality of energy storage devices into a test unit including a plurality of energy storage devices to be tested and a regulating unit including a plurality of towed energy storage devices;
[0034] A drag grouping construction module is used to select one energy storage device from each of the test unit and the adjustment unit to form a plurality of drag groups according to the basic configuration information of the energy storage device, and to number the plurality of drag groups in sequence;
[0035] A charge and discharge power setting module, used to start the multiple towed groups in sequence according to the numbers, control the discharge of the energy storage device to be tested, control the charging of the towed energy storage device, and gradually increase the charge and discharge power according to the power adjustment value from the initial power until the maximum charge and discharge power is reached;
[0036] A full charge and discharge cycle test module is used to perform a full charge and discharge cycle test on the energy storage device to be tested with the stored power emptied until the cumulative number of tests reaches the maximum number of charge and discharge tests;
[0037] The test report generation module is used to perform signal sampling on each energy storage device to be tested, and generate a test report for each energy storage device to be tested based on the sampling point data.
[0038] The present invention also provides an energy storage device aging test system, comprising:
[0039] A soft start cabinet, whose input terminal is connected to the power grid to obtain electrical energy;
[0040] A first control combiner cabinet, whose input end is connected to the output end of the soft start cabinet, whose output end is connected to the test unit, for providing the electric energy to the test unit and combining the electric energy released by the test unit, wherein the test unit includes a plurality of energy storage devices to be tested;
[0041] A second control combiner cabinet, whose input end is connected to the output end of the soft start cabinet, and whose output end is connected to the regulating unit, is used to provide the electric energy to the regulating unit and to shunt the electric energy released by the test unit to the regulating unit, wherein the regulating unit includes a plurality of energy storage devices connected in pairs;
[0042] An industrial computer connected to the testing unit and the regulating unit via a communication cable;
[0043] The energy storage device aging test management platform as mentioned above is connected to the industrial computer and is used to test the multiple energy storage devices to be tested and output a test report.
[0044] The above technical solution of the present invention has the following advantages compared with the prior art:
[0045] The energy storage device aging test method of the present invention constructs multiple groups of to-be-tested devices and adjustment devices. After the physical wiring of the energy storage device is completed and powered on, an aging test plan is formulated, and the entire operation of the device is monitored, the charging and discharging power of the device is automatically set, and the charging and discharging state of the device is automatically switched; finally, the complete test data is sampled and automatically analyzed to generate the test results; compared with the manual method in the prior art, the present invention has low cost, high efficiency, high precision, and is a significant improvement. BRIEF DESCRIPTION OF THE DRAWINGS
[0046] In order to make the content of the present invention more clearly understood, the present invention is further described in detail below according to specific embodiments of the present invention in conjunction with the accompanying drawings, wherein:
[0047] Figure 1 It is a flow chart of an implementation of an energy storage device aging test method provided by the present invention;
[0048] Figure 2 This is the overall flow chart of the aging test;
[0049] Figure 3 It is the execution flow chart of automatic charge and discharge aging test;
[0050] Figure 4 This is the overall topology diagram of the energy storage equipment aging test system. DETAILED DESCRIPTION
[0051] The core of the present invention is to provide an energy storage device aging test method, an energy storage device aging test management platform and an energy storage device aging test system, which effectively reduce the test cost and improve the test efficiency and test accuracy.
[0052] In order to enable those skilled in the art to better understand the scheme of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.
[0053] Please refer to Figure 1 , Figure 1 This is a flow chart of an implementation method of an energy storage device aging test method provided by the present invention; the specific operation steps are as follows:
[0054] S101: Divide a plurality of energy storage devices into a test unit including a plurality of energy storage devices to be tested and a regulation unit including a plurality of towed energy storage devices;
[0055] S102: According to the basic configuration information of the energy storage device, one energy storage device is selected from each of the test unit and the adjustment unit to form a plurality of drag groups, and the plurality of drag groups are numbered in sequence;
[0056] S103: starting the plurality of towed groups in sequence according to the numbers, controlling the discharge of the energy storage device to be tested, controlling the charging of the towed energy storage device, and gradually increasing the charging and discharging power according to the power adjustment value from the initial power until the maximum charging and discharging power is reached;
[0057] S104: Performing a full charge and discharge cycle test on the energy storage device to be tested with the stored electricity emptied, until the cumulative number of tests reaches the maximum number of charge and discharge tests;
[0058] S105: Sampling signals of each energy storage device to be tested, and generating a test report for each energy storage device to be tested according to the sampling point data.
[0059] Before the test, we first obtained the basic configuration information of the energy storage device, including the communication address and communication parameters;
[0060] Secondly, the aging test parameters are set, including the maximum number of charge and discharge tests, the maximum charge and discharge power, the power adjustment value, the start-up interval of the drag group, the charge and discharge termination static time, the maximum total power of the system, etc. Among them, the maximum number of charge and discharge tests is used to control the maximum full charge and discharge times of the equipment in the test unit, the maximum charge and discharge power is used to control the maximum settable power threshold during the charging and discharging process of the equipment, the power adjustment value is used to control the step value of the charging and discharging power of the equipment, the start-up interval of the drag group is used to control the operating interval time of each pair of drag groups to execute the charging and discharging strategy, the charge and discharge termination static time is used to control the waiting time for the equipment to switch the charging and discharging state after the full charge and discharge is completed, and the maximum total power of the system is used to control the threshold that the sum of the power of all equipment during the charging and discharging process must not exceed.
[0061] Based on the above embodiments, this embodiment describes step S101 in detail:
[0062] The number of energy storage devices in the test unit is the same as the number of energy storage devices in the regulating unit.
[0063] Based on the above embodiments, this embodiment describes step S102 in detail:
[0064] According to the equipment communication address, select one device from the test group and one device from the adjustment group to form a pair of drag groups, and number the sub-groups in sequence.
[0065] Based on the above embodiments, this embodiment describes step S103 in detail:
[0066] Start the devices in the order of sub-group numbers, start the devices from 0 power, and gradually increase the charge and discharge power according to the power adjustment value. The state of the device under test in the charge and discharge adjustment stage is discharging, and the state of the towed device in the charge and discharge adjustment stage is charging. The two devices adjust the power at the same time:
[0067] Step A: Start the first numbered towed group, control the state of the energy storage device to be tested to discharge, control the state of the towed energy storage device to charge, and start from 0 power, gradually increase the charging and discharging power according to the power adjustment value;
[0068] Step B: When the charge and discharge power of the energy storage device to be tested in the current tow group reaches the maximum charge and discharge power, the current tow group is stopped, and the timing of starting the next tow group is started;
[0069] Step C: When the timing reaches the interval between the start-up of the drag group, the next group of drag groups is started to perform the above-mentioned charging and discharging power setting steps, that is, the contents of step AC are implemented for the next group of drag groups; this design is to avoid the impact of excessive instantaneous total current on the transformer caused by the simultaneous shutdown of more equipment.
[0070] like Figure 2 Based on the above embodiment, before step S103, the following steps are further included:
[0071] The operating status of the multiple energy storage devices is collected and fault detection is performed. If a fault exists, an alarm is issued so that the tester can determine whether maintenance or parameter adjustment is required. If no fault exists, the next step is continued, that is, steps S103-S105 are continued.
[0072] like Figure 3 Based on the above embodiments, this embodiment describes step S104 in detail:
[0073] Step a: Control the state of the energy storage device to be tested that has been emptied of its stored electricity to be charged and start-up, and control the state of the corresponding towed energy storage device to be discharged and start-up;
[0074] Step b: When the battery capacity of the energy storage device to be tested reaches 100%, stop charging, set its charging power to 0, set its corresponding discharge power of the towed energy storage device to 0 (to avoid the total current increase caused by the shutdown of the device to be tested), add a cumulative test number, and start timing;
[0075] Step c: When the timing time reaches the charge and discharge cut-off static time, the state of the energy storage device to be tested is controlled to be discharged and started, and the state of the corresponding towed energy storage device is controlled to be charged and started;
[0076] Step d: When the battery capacity of the energy storage device to be tested reaches 0%, the discharge is stopped, the discharge power is set to 0, the charging power of the corresponding towed energy storage device is set to 0, the cumulative number of tests is added once, and the timing is started;
[0077] Step e: When the timing time reaches the charge and discharge cut-off rest time, the above full charge and discharge steps (i.e., steps ae) are cycled until the cumulative number of tests reaches the maximum number of charge and discharge tests.
[0078] In addition, during the full charge and discharge cycle test phase, the energy storage device to be tested is controlled to operate at the maximum charge and discharge power, and the corresponding towed energy storage device is not fully charged or discharged before the battery capacity of the energy storage device to be tested reaches 0% or 100% in real time according to the total power of the system, so as to ensure that the total power of the system is within a controllable range; the total power calculation formula is:
[0079]
[0080] Among them, p total is the total power, p t es t _c h Charging power for the device under test, p t es t _ di sc h is the discharge power of the device under test, p a d j us t _c h The charging power of the device to be towed is adjusted, p a d j us t _ di sc h To regulate the discharge power of the towing equipment. total The smaller the better, which means the least power is taken from the grid, and its maximum value must not exceed the maximum total power of the system, otherwise the transformer will trip due to excessive current.
[0081] Based on the above embodiments, this embodiment describes step S105 in detail:
[0082] Sample the signal of each energy storage device to be tested, and classify the sampling point data according to the charging process and discharging process;
[0083] According to the requirements of different test items, the maximum value, minimum value, average value and cumulative value of the sampling point data are calculated;
[0084] According to the judgment conditions of different test items, it is judged whether the sampling point data of each energy storage device to be tested meets the test requirements; when the sampling point data of the energy storage device to be tested passes all test items, it is determined that the energy storage device to be tested has passed the test.
[0085] in:
[0086] The test items are divided into charging process and discharging process judgment, including but not limited to: battery cell maximum temperature, battery cell minimum temperature, battery cell temperature difference, battery cell maximum voltage, battery cell minimum voltage, battery cell voltage difference, full charge capacity, full discharge capacity, average current, average power;
[0087] The key sampling point output data charts include but are not limited to: battery cell temperature consistency chart, battery cell voltage consistency chart, temperature outlier battery cell chart, voltage outlier battery cell chart, charging end battery cell chart, and discharging end battery cell chart.
[0088] The embodiment of the present invention further provides an energy storage device aging test management platform; specifically, it may include:
[0089] An energy storage device grouping module, used to divide a plurality of energy storage devices into a test unit including a plurality of energy storage devices to be tested and a regulating unit including a plurality of towed energy storage devices;
[0090] A drag grouping construction module is used to select one energy storage device from each of the test unit and the adjustment unit to form a plurality of drag groups according to the basic configuration information of the energy storage device, and to number the plurality of drag groups in sequence;
[0091] A charge and discharge power setting module, used to start the multiple towed groups in sequence according to the numbers, control the discharge of the energy storage device to be tested, control the charging of the towed energy storage device, and gradually increase the charge and discharge power according to the power adjustment value from the initial power until the maximum charge and discharge power is reached;
[0092] A full charge and discharge cycle test module is used to perform a full charge and discharge cycle test on the energy storage device to be tested with the stored power emptied until the cumulative number of tests reaches the maximum number of charge and discharge tests;
[0093] The test report generation module is used to perform signal sampling on each energy storage device to be tested, and generate a test report for each energy storage device to be tested based on the sampling point data.
[0094] The energy storage device aging test management platform of this embodiment is used to implement the aforementioned energy storage device aging test method. Therefore, the specific implementation methods of the energy storage device aging test management platform can be seen in the embodiment part of the aforementioned energy storage device aging test method. For example, the energy storage device grouping module, the drag grouping construction module, the charge and discharge power setting module, the full charge and discharge cycle test module, and the test report generation module are respectively used to implement steps S101, S102, S103, S104 and S105 in the aforementioned energy storage device aging test method. Therefore, its specific implementation methods can refer to the description of the corresponding embodiments of each part, which will not be repeated here.
[0095] like Figure 4The specific embodiment of the present invention also provides an energy storage device aging test system, including:
[0096] Soft start cabinet, whose input terminal is connected to the power grid to obtain electrical energy;
[0097] The input end of the soft start cabinet is connected to the power grid to provide power source for the whole system, which realizes smooth start, reduces the starting current, and reduces the impact of the large current generated by the energy storage equipment when starting on the power grid;
[0098] A first control combiner cabinet, whose input end is connected to the output end of the soft start cabinet and whose output end is connected to the test unit, is used to provide the electric energy to the test unit and combine the electric energy released by the test unit, wherein the test unit includes a plurality of energy storage devices to be tested;
[0099] A second control combiner cabinet, whose input end is connected to the output end of the soft start cabinet, and whose output end is connected to the regulating unit, is used to provide the electric energy to the regulating unit and to shunt the electric energy released by the test unit to the regulating unit, wherein the regulating unit includes a plurality of energy storage devices connected in pairs;
[0100] The equipment of the test unit and the regulating unit are connected to different control combiner cabinets. The maximum number of connected equipment depends on the number of output channels of the control combiner cabinet. The number of equipment of the test unit is equal to the number of equipment of the regulating unit to ensure that a pair of drag can be formed.
[0101] An industrial computer connected to the test unit and the regulating unit via communication cables;
[0102] If the energy storage device supports Ethernet communication, connect the energy storage device to the switch through the network cable, and then connect the industrial computer to the switch through the network cable to achieve physical layer communication interconnection;
[0103] If the energy storage device supports serial communication, it can be directly connected to the industrial computer serial port through a twisted pair cable to achieve physical layer communication interconnection.
[0104] The energy storage device aging test management platform as described above is connected to the industrial computer and is used to test the multiple energy storage devices to be tested and output a test report.
[0105] Obviously, the above embodiments are merely examples for the purpose of clear explanation and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the present invention.
Claims
1. A method for testing aging of energy storage equipment, characterized in that: include: Dividing the plurality of energy storage devices into a test unit including a plurality of energy storage devices to be tested and a regulating unit including a plurality of towed energy storage devices; According to the basic configuration information of the energy storage device, one energy storage device is selected from each of the test unit and the adjustment unit to form a plurality of drag groups, and the plurality of drag groups are numbered in sequence; Starting the plurality of towed groups in sequence according to the numbers, controlling the discharge of the energy storage device to be tested, controlling the charging of the towed energy storage device, and gradually increasing the charging and discharging power according to the power adjustment value from the initial power until the maximum charging and discharging power is reached; Perform full charge and discharge cycle test on the energy storage device to be tested with the stored power emptied until the cumulative number of tests reaches the maximum number of charge and discharge tests; Signal sampling is performed on each energy storage device to be tested, and a test report for each energy storage device to be tested is generated based on the sampling point data.
2. The energy storage device aging test method according to claim 1, characterized in that: The number of energy storage devices in the test unit is the same as the number of energy storage devices in the regulating unit.
3. The energy storage device aging test method according to claim 1, characterized in that: The basic configuration information of the energy storage device includes a communication address and communication parameters.
4. The energy storage device aging test method according to claim 3, characterized in that: The method of sequentially starting the plurality of towed groups according to the numbers, controlling the discharge of the energy storage device to be tested, controlling the charging of the towed energy storage device, and gradually increasing the charging and discharging power according to the power adjustment value from the initial power until the maximum charging and discharging power is reached includes: Start the first numbered pair group, control the state of the energy storage device to be tested to discharge, control the state of the pair energy storage device to charge, and start from 0 power, gradually increase the charging and discharging power according to the power adjustment value; When the charging and discharging power of the energy storage device to be tested in the current tow group reaches the maximum charging and discharging power, the current tow group is stopped, and the start timing of the next tow group is started; When the timing duration reaches the startup interval duration of the drag group, the next group of drag groups is started to perform the above-mentioned charging and discharging power setting steps.
5. The energy storage device aging test method according to claim 1, characterized in that: The method of sequentially starting the plurality of towed groups according to the numbers, controlling the discharge of the energy storage device to be tested, controlling the charging of the towed energy storage device, and gradually increasing the charge and discharge power according to the power adjustment value from the initial power until the maximum charge and discharge power is reached also includes: The operating status of the multiple energy storage devices is collected, and fault detection is performed. If a fault exists, an alarm is issued; if no fault exists, the next step is continued.
6. The energy storage device aging test method according to claim 1, characterized in that: The step of performing a full charge and discharge cycle test on the energy storage device to be tested with the stored electricity level emptied until the cumulative number of tests reaches the maximum number of charge and discharge tests includes: Control the state of the energy storage device to be tested that has been emptied of its stored electricity to be charged and started, and control the state of the corresponding towed energy storage device to be discharged and started; When the battery capacity of the energy storage device to be tested reaches 100%, stop charging, set its charging power to 0, set the discharge power of its corresponding towed energy storage device to 0, add one cumulative test number, and start timing; When the timing time reaches the charge and discharge cut-off static time, the state of the energy storage device to be tested is controlled to discharge and start, and the state of the corresponding towed energy storage device is controlled to charge and start; When the battery capacity of the energy storage device to be tested reaches 0%, the discharge is stopped, the discharge power is set to 0, the charging power of the corresponding towed energy storage device is set to 0, the cumulative test times are added once, and the timing is started; When the timing time reaches the charge and discharge cut-off static time, the above full charge and discharge steps are repeated until the cumulative number of tests reaches the maximum number of charge and discharge tests.
7. The energy storage device aging test method according to claim 6, characterized in that: In the full charge and discharge cycle test phase, the energy storage device to be tested is controlled to operate at the maximum charge and discharge power, and according to the total system power, the corresponding towed energy storage device is not fully charged or discharged before the battery reserve of the energy storage device to be tested reaches 0% or 100%.
8. The energy storage device aging test method according to claim 1, characterized in that: The signal sampling of each energy storage device to be tested and generating a test report for each energy storage device to be tested according to the sampling point data include: Sample the signal of each energy storage device to be tested, and classify the sampling point data according to the charging process and discharging process; According to the requirements of different test items, the maximum value, minimum value, average value and cumulative value of the sampling point data are calculated; According to the judgment conditions of different test items, determine whether the sampling point data of each energy storage device to be tested meets the test requirements; When the sampling point data of the energy storage device to be tested passes all test items, it is determined that the energy storage device to be tested has passed the test.
9. An energy storage device aging test management platform, characterized in that: include: An energy storage device grouping module, used to divide a plurality of energy storage devices into a test unit including a plurality of energy storage devices to be tested and a regulating unit including a plurality of towed energy storage devices; A drag grouping construction module is used to select one energy storage device from each of the test unit and the adjustment unit to form a plurality of drag groups according to the basic configuration information of the energy storage device, and to number the plurality of drag groups in sequence; A charge and discharge power setting module, used to start the multiple towed groups in sequence according to the numbers, control the discharge of the energy storage device to be tested, control the charging of the towed energy storage device, and gradually increase the charge and discharge power according to the power adjustment value from the initial power until the maximum charge and discharge power is reached; A full charge and discharge cycle test module is used to perform a full charge and discharge cycle test on the energy storage device to be tested with the stored power emptied until the cumulative number of tests reaches the maximum number of charge and discharge tests; The test report generation module is used to perform signal sampling on each energy storage device to be tested, and generate a test report for each energy storage device to be tested based on the sampling point data.
10. An energy storage device aging test system, characterized in that: include: A soft start cabinet, whose input terminal is connected to the power grid to obtain electrical energy; A first control combiner cabinet, whose input end is connected to the output end of the soft start cabinet, whose output end is connected to the test unit, for providing the electric energy to the test unit and combining the electric energy released by the test unit, wherein the test unit includes a plurality of energy storage devices to be tested; A second control combiner cabinet, whose input end is connected to the output end of the soft start cabinet, and whose output end is connected to the regulating unit, is used to provide the electric energy to the regulating unit and to shunt the electric energy released by the test unit to the regulating unit, wherein the regulating unit includes a plurality of energy storage devices connected in pairs; An industrial computer connected to the testing unit and the regulating unit via a communication cable; The energy storage device aging test management platform as described in claim 9 is connected to the industrial computer and is used to test the multiple energy storage devices to be tested and output a test report.
Citation Information
Cited By
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