The invention discloses a battery discharge electric energy detection method which is applied to a battery discharge electric energy detection system, the system comprises a battery, a high-grade electric energy metering standard device and a load, and a battery metering module is arranged in the battery; the method comprises the steps of obtaining a first electric energy value of a battery output port for multiple times; acquiring a second electric energy value output by the battery metering module for multiple times; determining a target battery metering module measurement error according to the first electric energy value and the second electric energy value of each time; errors caused by other influence quantities except the measurement error of the target battery metering module are obtained, and the battery discharge electric energy measurement error is determined; respectively determining a first sensitivity coefficient corresponding to a measurement error of the target battery metering module and a second sensitivity coefficient corresponding to an error caused by other influence quantities; determining A-class uncertainty caused by measurement errors of the target battery metering module, and acquiring B-class uncertainty caused by errors caused by other influence quantities; determining a standard uncertainty; and calculating the scalar expansion uncertainty.
本申请公开了一种电池放电电能检测方法,应用于电池放电电能检测系统,该系统包括:电池、高等级电能计量标准装置以及负载,其中,电池内置电池计量模块;该方法包括:多次获取电池输出端口的第一电能值;多次获取电池计量模块输出的第二电能值;根据每次的第一电能值和第二电能值,确定目标电池计量模块测量误差;获取目标电池计量模块测量误差除外的其他影响量带来的误差,并确定电池放电电能测量误差;分别确定目标电池计量模块测量误差对应的第一灵敏系数和其它影响量带来的误差对应的第二灵敏系数;确定目标电池计量模块测量误差引起的A类不确定度,并获取其他影响量带来的误差引起的B类不确定度;确定标准不确定度;计算标扩展不确定度。
Battery discharge electric energy detection method
一种电池放电电能检测方法
2024-07-19
Patent
Electronic Resource
Chinese
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