WO2020042441A1 - 一种用于储能系统的健康状态在线分析方法、装置及介质 - Google Patents
一种用于储能系统的健康状态在线分析方法、装置及介质 Download PDFInfo
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
- G01R19/16576—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing DC or AC voltage with one threshold
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- the invention relates to the field of energy storage systems, and in particular, to a method, a device, and a medium for online analysis of a health state of an energy storage system.
- the energy storage system mentioned in the present invention refers to an energy storage system composed of a plurality of single supercapacitors (hereinafter referred to as supercapacitors).
- the reliability of the energy storage system depends on the reliability of each super capacitor and the reliability of the electrical connection between each super capacitor. Because there are certain differences in the performance parameters of the supercapacitors when they leave the factory, the performance of the supercapacitors will appear to different degrees with the increase of the use time, and the influence of factors such as the ambient temperature, the rate of charge and discharge, and the number of cycles. Attenuation, increase the difference in performance parameters between monomers in the energy storage system. In specific implementation, the larger the difference in performance parameters between monomers, the more prone to problems such as overvoltages of the monomers. Based on the above, energy storage systems usually need to be maintained and repaired.
- the maintenance and overhaul of the energy storage system is based on the on-line detection of supercapacitors.
- the performance parameters detected are mainly the internal resistance, capacity and leakage voltage of the supercapacitor.
- the detection process is mainly through setting thresholds. When the threshold is exceeded, a fault alarm is issued and maintenance is performed.
- supercapacitor is only a single unit in the energy storage system. Although its performance parameters affect the health status of the energy storage system, it does not represent the health status of the entire energy storage system.
- the object of the present invention is to provide an on-line analysis method, device and medium for the health status of an energy storage system, which are used to reasonably and accurately detect the health status of the energy storage system, thereby improving the reliability of the energy storage system and extending its health. Service life.
- the present invention provides an online analysis method for the health status of an energy storage system, including:
- the health status of the energy storage system is obtained according to a preset health status analysis logic.
- the non-abnormal information in the module-level operating parameters includes a module voltage
- the abnormal information in the module-level operating parameters includes a voltage overvoltage warning signal, a voltage overvoltage warning signal, a voltage undervoltage warning signal, and a voltage undervoltage Alarm signal, temperature warning signal and temperature alarm signal;
- the non-abnormal information in the module-level operating parameters includes module voltage and module temperature
- the non-abnormal information in the power-level operating parameters includes power supply voltage, power temperature, and power current.
- the abnormal information in the power-level operating parameters includes a positive fuse failure signal, a negative fuse failure signal, a 24V isolated power failure signal, Surge protector failure signal, fan failure signal;
- the operating parameters of the supercapacitor specifically include a parameter of a supercapacitor temperature change rate and a supercapacitor voltage change rate.
- the obtaining the health status of the energy storage system according to the preset health status analysis logic specifically includes:
- Cluster analysis is performed on the non-anomalous information in the module-level operating parameters, the non-anomalous information in the module-level operating parameters, and the non-anomalous information in the power-level operating parameters by clustering to obtain the corresponding health level. ;
- the obtained health level includes at least one and does not exceed a set number of sub-health states and does not include a non-health state, the health state of the energy storage system is a sub-health state;
- the health state of the energy storage system is a non-health state
- the health state of the energy storage system is a healthy state.
- the clustering method is specifically a K-means clustering method.
- the health state of the energy storage system is a sub-health state, controlling the vehicle to stop operation and allowing the vehicle to automatically run back to the warehouse;
- the health state of the energy storage system is a non-health state, control the vehicle to stop operating and stop running, and call the rescue vehicle trailer to return to the warehouse.
- it further comprises:
- it further comprises:
- the present invention further provides an on-line health analysis device for an energy storage system, including:
- An obtaining unit for obtaining module-level operating parameters, module-level operating parameters, power-level operating parameters, and supercapacitor operating parameters in the energy storage system
- the analysis unit is configured to obtain the health status of the energy storage system according to a preset health status analysis logic.
- the present invention provides an on-line health analysis device for an energy storage system, including a memory for storing a computer program;
- a processor configured to implement the steps of the on-line health analysis method for an energy storage system as described above when the computer program is executed.
- the present invention further provides a computer-readable storage medium, where the computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the energy storage for the energy storage device as described above is implemented. Steps of the online health analysis method of the system.
- the online analysis method for the health status of an energy storage system firstly obtains module-level operating parameters, module-level operating parameters, power-level operating parameters, and supercapacitor operating parameters in the energy storage system, and then according to presets Health analysis logic to get the health status of the energy storage system.
- the supercapacitor operating parameters in this method three types of parameters: module-level operating parameters, module-level operating parameters, and power-level operating parameters are used. Therefore, the comprehensive judgment of multiple characterization parameters can determine the health status of the power supply. Changing trends, maintenance and repair of unhealthy ultracapacitors in advance, reducing the probability of failure, thereby more reasonable and accurate evaluation of the health status of the energy storage system.
- the above parameters can be obtained through the existing energy storage system, and there is no need to improve the energy storage system, which reduces the hardware cost.
- the on-line analysis device and medium for health state of the energy storage system provided by the present invention correspond to the above-mentioned method, and also have the above-mentioned beneficial effects.
- FIG. 1 is a flowchart of an online health analysis method for an energy storage system according to an embodiment of the present invention
- FIG. 2 is a flowchart of obtaining a health state of an energy storage system according to a preset health state analysis logic according to an embodiment of the present invention
- FIG. 3 is a flowchart of another method for online analysis of a health state of an energy storage system according to an embodiment of the present invention
- FIG. 4 is a structural diagram of an on-line analysis device for health status of an energy storage system according to an embodiment of the present invention
- FIG. 5 is a structural diagram of another on-line health state analysis device for an energy storage system according to an embodiment of the present invention.
- the core of the present invention is to provide an online analysis method, device and medium for the health status of an energy storage system, which are used to reasonably and accurately detect the health status of the energy storage system so as to improve the reliability of the energy storage system and extend its performance. Service life.
- FIG. 1 is a flowchart of an online health analysis method for an energy storage system according to an embodiment of the present invention. As shown in Figure 1, the method includes:
- S10 Obtain module-level operating parameters, module-level operating parameters, power-level operating parameters, and supercapacitor operating parameters in the energy storage system.
- Two super capacitors are connected in parallel to form a module stage, and multiple module stages are connected in series to form a module stage. Multiple module stages are connected in series to finally form an energy storage system.
- the performance of the ultracapacitor will inevitably affect the performance of the energy storage system, but if the performance of the energy storage system is evaluated based on the performance of the supercapacitor only, it will easily cause the evaluation results to be distorted.
- module-level operating parameters in addition to the supercapacitor operating parameters, module-level operating parameters, and power-level operating parameters are used as factors to evaluate the performance of the energy storage system, so that it can more intuitively and accurately reflect the performance of the energy storage system. performance.
- module-level operating parameters are not limited in this embodiment.
- the corresponding health analysis logic is also different. It should be noted that the health analysis logic can be determined according to the actual situation. As long as module-level operating parameters, module-level operating parameters, power-level operating parameters, and supercapacitor operating parameters can be considered in this logic.
- the health status of the energy storage system can be divided into several levels, for example, two levels.
- the level selected by the present invention is specific health status, sub-health status, and non-health status.
- the sub-health status is critical and healthy. A state between the state and the unhealthy state, that is, the current energy storage system is not in a healthy state, but there are some abnormal omen. If it is continued to be used without maintenance, it may evolve into an unhealthy state. It can be understood that the division of the health status does not affect the implementation of the technical solution.
- the method for online analysis of the health status of the energy storage system provided by this embodiment firstly obtains module-level operating parameters, module-level operating parameters, power-level operating parameters, and supercapacitor operating parameters in the energy storage system, and then according to presets Health analysis logic to get the health status of the energy storage system.
- the supercapacitor operating parameters in this method three types of parameters: module-level operating parameters, module-level operating parameters, and power-level operating parameters are used. Therefore, the comprehensive judgment of multiple characterization parameters can determine the health status of the power supply. Changing trends, maintenance and repair of unhealthy ultracapacitors in advance, reducing the probability of failure, thereby more reasonable and accurate evaluation of the health status of the energy storage system.
- the above parameters can be obtained through the existing energy storage system, and there is no need to improve the energy storage system, which reduces the hardware cost.
- the non-abnormal information in the module-level operating parameters includes the module voltage
- the abnormal information in the module-level operating parameters includes the voltage overvoltage warning signal, the voltage overvoltage alarm signal, and the voltage undervoltage.
- Non-abnormal information in module-level operating parameters includes module voltage and module temperature
- Non-abnormal information in power-level operating parameters includes power supply voltage, power temperature, and power current.
- Abnormal information in power-level operating parameters includes positive fuse failure signals, negative fuse failure signals, 24V isolated power failure signals, and surge protectors. Fault signal, fan fault signal;
- the operating parameters of the super capacitor include the parameters of the super capacitor temperature change rate and the super capacitor voltage change rate.
- the above parameters can be obtained through the CMS management system, where the early warning signal and the warning signal are different, and the early warning signal is a signal obtained through an early warning method in the protocol, which indicates that the corresponding device is in a mild failure, and The alarm signal is a signal obtained through an alarm in the protocol, which indicates that the corresponding device is in serious failure.
- the temperature of the module in this embodiment is specifically the temperature of the circuit board and the temperature of the capacitor, which can be obtained through a temperature sensor. Please refer to the prior art, which is not described in this embodiment.
- the temperature data After obtaining the power supply temperature, the temperature data needs to be pre-processed first, and then the anomaly detection using Tukey ’s test method is performed. If the detection result is abnormal, a new exception message is generated. If the detection result is normal, no abnormal information is generated, and finally the evaluation result of the power supply temperature is determined through the abnormal information.
- the preprocessing process of the power supply temperature refers to the preprocessing part of the momentum gradient descent method.
- the data can be smoothed and the historical data and the current data can be weighted average to reduce the impact of erroneous data.
- the specific formula is as follows:
- V T ⁇ ⁇ V T + (1- ⁇ ) ⁇ T
- V T is the weighted average temperature before time T
- V T corrected is the weighted average temperature before time T before correction
- t t
- ⁇ is the coefficient, ⁇ ⁇ (0,1), generally takes 0.9, and can be adjusted according to the actual situation.
- it may further include: a voltage sharing module fault signal, a voltage sampling error signal, a temperature sampling error signal, a voltage data abnormal signal, etc. as parameters for analyzing the energy storage system.
- a voltage sharing module fault signal a voltage sampling error signal, a temperature sampling error signal, a voltage data abnormal signal, etc.
- the above parameters are selected as the module-level operating parameters, module-level operating parameters, power-level operating parameters, and super capacitor operating parameters in this embodiment, which are more representative, and these parameters can be obtained through the existing energy storage system without modification.
- FIG. 2 is a flowchart of obtaining a health state of an energy storage system according to a preset health state analysis logic according to an embodiment of the present invention.
- Step 1 Cluster analysis is performed on the non-abnormal information in the module-level operating parameters, the non-abnormal information in the module-level operating parameters, and the non-abnormal information in the power-level operating parameters by clustering to obtain the corresponding health level.
- cluster analysis methods There are many kinds of cluster analysis methods. Among them, the K-means method is the most commonly used method in fast clustering method (also known as dynamic clustering method). Because of its unparalleled advantages in calculation speed, it has been widely used.
- the clustering method may be a K-means clustering method. The following uses K-means clustering as an example.
- D ⁇ module level, module level, power level ⁇
- D has corresponding non-anomalous information, specifically non-anomalous information (module voltage, module temperature) in module-level operating parameters, Non-abnormal information in module-level operating parameters (module voltage, module temperature), non-abnormal information in power-level operating parameters (power voltage, power temperature, power current), using non-abnormality through K-means clustering
- the information is clustered, and each specific object of the current D is classified to obtain the corresponding health status.
- the points with more points in the cluster are in a healthy state, and the points with less points in the cluster are in a sub-health state.
- This method selects K categories and selects K initial cluster centers, and assigns points to one of the K categories according to the minimum distance principle. After that, the class center is continuously calculated and the class to which each point belongs is adjusted. The distance from the point to the center of its category is the smallest.
- Step 2 Use the preset voltage change rate sub-health threshold to determine the super capacitor voltage change rate parameter to obtain the corresponding health level.
- the health status of the super capacitor is closely related to the voltage change rate of the super capacitor.
- a voltage change rate sub-health threshold is set. If it exceeds the set threshold, the super capacitor is judged to be in a sub-health state, otherwise it is healthy. It should be noted that the sub-healthy threshold of the voltage change rate in this step can be set according to actual conditions, which is not limited in this embodiment.
- Step 3 Use a preset temperature change rate sub-health threshold to determine the super capacitor temperature change rate to obtain the corresponding health level.
- the internal resistance and electrical connection of the super capacitor have a precise relationship with the temperature rise of the module.
- a temperature change rate sub-health threshold is set. If it exceeds the set threshold, the super capacitor is judged to be in a sub-health state, otherwise it is healthy. It should be noted that the sub-health threshold of the temperature change rate in this step can be set according to the actual situation, which is not limited in this embodiment.
- Step 4 According to the fault classification method, judge the abnormal information in the module-level operating parameters and the abnormal information in the power-level operating parameters to obtain the corresponding health level.
- the abnormal information in the module-level operating parameters includes voltage over-voltage warning signals, voltage over-voltage warning signals, voltage under-voltage warning signals, voltage under-voltage warning signals, temperature warning signals, and temperature warning signals; the abnormal information in the power-level operating parameters includes Positive fuse failure signal, negative fuse failure signal, 24V isolated power failure signal, surge protector failure signal, fan failure signal.
- the specific fault classification method is: according to the severity of the fault and the number of faults.
- the severity of the fault it can be divided into mild faults (which can be early warning signals in the protocol) and severe faults (which can be alarm signals, fault signals, and abnormal signals in the protocol).
- the current faults are minor fault 1, minor fault 2, minor fault 3, major fault 1, major fault 2.
- Step 5 According to the classification method corresponding to Table 1, comprehensively judge the fault level caused by the abnormal information and the health status corresponding to the non-abnormal information to obtain the health level corresponding to the corresponding module.
- the current module level is in a healthy state. If the current module also generates 1-2 minor fault messages, the current module level is changed to a sub-health state;
- the current module level becomes non-healthy
- the current module level is in a healthy state. If the current module generates more than one serious fault message, the current module level becomes non-healthy.
- the current module level is in a sub-health state. If the current module generates a minor fault message, the current module level is still in a sub-health state;
- the current module level is in a sub-health state. If the current module generates more than two minor fault messages, the current module level is changed to a non-health state;
- the current module level is in a sub-health state. If the current module generates more than one serious fault message, the current module level becomes non-healthy.
- each step can get a corresponding health level, which represents the health level corresponding to different parameters, and the final health level of the energy storage system is determined by these health levels.
- the specific method is as follows:
- the obtained health level includes at least one sub-health state and does not include a non-health state, the health state of the energy storage system is a sub-health state;
- the obtained health level includes a non-health state
- the health state of the energy storage system is a non-health state
- the method further includes:
- the health status of the energy storage system is sub-healthy, it means that the current energy storage system may be abnormal, but it is not currently faulty. Therefore, the vehicle can return to the warehouse by itself without the assistance of the rescue vehicle
- the health status of the energy system is non-healthy, it means that the current energy storage system has failed, and the vehicle can no longer return to the warehouse by itself, and the assistance of the rescue vehicle is needed. Regardless of whether the vehicle is returned to the warehouse by itself or the rescue vehicle is returned to the warehouse, the energy storage system needs to be repaired to eliminate the fault and return to a healthy state.
- how to repair refer to the prior art, which is not described in this embodiment.
- FIG. 3 is a flowchart of another online analysis method for a health state of an energy storage system according to an embodiment of the present invention. As shown in FIG. 3, based on the foregoing embodiment, as a preferred implementation manner, the method further includes:
- the health status of the energy storage system can be transmitted to the vehicle control system through a communication network such as CAN and Ethernet, so that the staff can check it in time.
- a communication network such as CAN and Ethernet
- the method further includes:
- each health status and corresponding log information are recorded.
- a data table may be used, which is not described in this embodiment.
- the above embodiments of the present invention describe in detail an online health analysis method for an energy storage system.
- the present invention also provides an embodiment of a device corresponding to the method.
- the device part there are two embodiments of the device part, one of which is described from the perspective of a functional unit, and the other is described from the perspective of hardware.
- FIG. 4 is a structural diagram of an on-line health analysis device for an energy storage system according to an embodiment of the present invention. As shown in Figure 4, the device includes:
- the obtaining unit 10 is configured to obtain module-level operating parameters, module-level operating parameters, power-level operating parameters, and supercapacitor operating parameters in the energy storage system.
- the analysis unit 11 is configured to obtain the health status of the energy storage system according to a preset health status analysis logic.
- the embodiments of the device section correspond to the embodiments of the method section, the embodiments of the device section refer to the description of the embodiments of the method section, which will not be repeated here.
- the on-line analysis device for the health status of the energy storage system first obtains module-level operating parameters, module-level operating parameters, power-level operating parameters, and super capacitor operating parameters in the energy storage system, and then according to presets Health analysis logic to get the health status of the energy storage system.
- the device also uses three parameters: module-level operating parameters, module-level operating parameters, and power-level operating parameters. Therefore, it is possible to determine the health status of the power supply through comprehensive judgment of multiple characterization parameters. Changing trends, maintenance and repair of unhealthy ultracapacitors in advance, reducing the probability of failure, thereby more reasonable and accurate evaluation of the health status of the energy storage system.
- the above parameters can be obtained through the existing energy storage system, and there is no need to improve the energy storage system, which reduces the hardware cost.
- FIG. 5 is a structural diagram of another on-line health analysis device for an energy storage system provided by an embodiment of the present invention. As shown in FIG. 5, the apparatus includes a memory 20 for storing a computer program;
- the processor 21 is configured to implement the steps of the online analysis method for the health state of the energy storage system as described above when the computer program is executed.
- the embodiments of the device section correspond to the embodiments of the method section, the embodiments of the device section refer to the description of the embodiments of the method section, which will not be repeated here.
- the processor and the memory may be connected via a bus or other means.
- the apparatus for online analysis of the health status of the energy storage system includes a memory and a processor.
- the processor executes a computer program stored in the memory, the processor can perform the following steps: first, obtain the module level in the energy storage system The operating parameters, module-level operating parameters, power-level operating parameters, and supercapacitor operating parameters, and then the health status of the energy storage system is obtained according to a preset health status analysis logic.
- the device In addition to the supercapacitor operating parameters, the device also uses three parameters: module-level operating parameters, module-level operating parameters, and power-level operating parameters. Therefore, it is possible to determine the health status of the power supply through comprehensive judgment of multiple characterization parameters.
- an embodiment of the present invention also provides a computer-readable storage medium.
- a computer program is stored on the computer-readable storage medium.
- the computer program is executed by a processor, the on-line analysis of the health status of the energy storage system described above is implemented. Method steps.
- the methods in the above embodiments are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium.
- the technical solution of the present invention essentially or part that contributes to the existing technology or all or part of the technical solution can be embodied in the form of a software product, which is stored in a storage medium , Performing all or part of the steps of the method described in each embodiment of the present invention.
- the aforementioned storage media include: U disks, mobile hard disks, read-only memory (ROM), random access memory (RAM), magnetic disks or compact discs, and other media that can store program codes .
- the computer-readable storage medium for the energy storage system stores a computer program.
- the processor executes the computer program, the processor can perform the following steps: first, obtain module-level operating parameters, modes, and parameters in the energy storage system. Group-level operating parameters, power-level operating parameters, and supercapacitor operating parameters, and then the health status of the energy storage system is obtained according to a preset health status analysis logic.
- the device In addition to the supercapacitor operating parameters, the device also uses three parameters: module-level operating parameters, module-level operating parameters, and power-level operating parameters. Therefore, it is possible to determine the health status of the power supply through comprehensive judgment of multiple characterization parameters.
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Abstract
Description
Claims (10)
- 一种用于储能系统的健康状态在线分析方法,其特征在于,包括:获取储能系统中的模块级运行参数、模组级运行参数、电源级运行参数以及超级电容运行参数;依据预设的健康状态分析逻辑得到所述储能系统的健康状态。
- 根据权利要求1所述的用于储能系统的健康状态在线分析方法,其特征在于,所述模块级运行参数中的非异常信息包括模块电压,所述模块级运行参数中的异常信息包括电压过压预警信号、电压过压报警信号、电压欠压预警信号、电压欠压报警信号、温度预警信号和温度报警信号;所述模组级运行参数中的非异常信息包括模组电压、模组温度;所述电源级运行参数中的非异常信息包括电源电压、电源温度、电源电流,所述电源级运行参数中的异常信息包括正极熔断器故障信号、负极熔断器故障信号、24V隔离电源故障信号、浪涌保护器故障信号、风扇故障信号;所述超级电容运行参数具体包括超级电容温度变化率和超级电容电压变化率参数。
- 根据权利要求2所述的用于储能系统的健康状态在线分析方法,其特征在于,所述依据预设的健康状态分析逻辑得到所述储能系统的健康状态具体包括:通过聚类方法对所述模块级运行参数中的非异常信息、所述模组级运行参数中的非异常信息以及所述电源级运行参数中的非异常信息进行聚类分析得到对应的健康等级;利用预先设定的电压变化率亚健康阈值对所述超级电容电压变化率参数进行判断得到对应的健康等级;利用预先设定的温度变化率亚健康阈值对所述超级电容温度变化率进行判断得到对应的健康等级;按照故障的分类方法对所述模块级运行参数中的异常信息以及所述电源级运行参数中的异常信息进行判断得到对应的健康等级;若得到的健康等级中包含有至少一个且不超过设定个数的亚健康状态且不包含有非健康状态,则所述储能系统的健康状态为亚健康状态;若得到的健康等级中包含有非健康状态,则所述储能系统的健康状态为非健康状态;若得到的健康等级中均为健康状态,则所述储能系统的健康状态为健康状态。
- 根据权利要求3所述的用于储能系统的健康状态在线分析方法,其特征在于,所述聚类方法具体为K-means聚类方法。
- 根据权利要求1-4任意一项所述的用于储能系统的健康状态在线分析方法,其特征在于,还包括:若所述储能系统的健康状态为健康状态,则控制车辆正常运营;若所述储能系统的健康状态为亚健康状态,则控制车辆停止运营,并允许车辆自动运行回库;若所述储能系统的健康状态为非健康状态,则控制车辆停止运营,且停止运行,并呼叫救援车辆拖车回库。
- 根据权利要求5所述的用于储能系统的健康状态在线分析方法,其特征在于,还包括:输出所述储能系统的健康状态。
- 根据权利要求6所述的用于储能系统的健康状态在线分析方法,其特征在于,还包括:记录所述储能系统的健康状态与对应的日志信息。
- 一种用于储能系统的健康状态在线分析装置,其特征在于,包括:获取单元,用于获取储能系统中的模块级运行参数、模组级运行参数、电源级运行参数以及超级电容运行参数;分析单元,用于依据预设的健康状态分析逻辑得到所述储能系统的健康状态。
- 一种用于储能系统的健康状态在线分析装置,其特征在于,包括存储器,用于存储计算机程序;处理器,用于执行所述计算机程序时实现如权利要求1至7任一项所述的用于储能系统的健康状态在线分析方法的步骤。
- 一种计算机可读存储介质,其特征在于,所述计算机可读存储介质上存储有计算机程序,所述计算机程序被处理器执行时实现如权利要求1至7任一项所述的用于储能系统的健康状态在线分析方法的步骤。
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| CN114764119A (zh) * | 2021-01-15 | 2022-07-19 | 上海良信电器股份有限公司 | 断路器的储能电机评估方法、装置和断路器 |
| CN112883638B (zh) * | 2021-02-02 | 2022-08-09 | 同济大学 | 一种超级电容器模组温度分布的在线估计方法 |
| CN113281711A (zh) * | 2021-05-19 | 2021-08-20 | 北京无线电测量研究所 | 一种健康状态的检测方法和系统 |
| CN114487897A (zh) * | 2022-02-14 | 2022-05-13 | 宇能电气有限公司 | 一种自动判断飞机电源健康状态的方法及系统 |
| CN115144680B (zh) * | 2022-09-02 | 2023-01-10 | 深圳市今朝时代股份有限公司 | 一种用于辅助调频的超级电容储能系统及方法 |
| CN117169770B (zh) * | 2023-11-01 | 2024-01-26 | 南通江海储能技术有限公司 | 一种超级电容健康状态的在线监测方法及系统 |
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