Energy storage battery detection method for electrical parameter analysis

The invention relates to the technical field of energy storage battery management, and provides an energy storage battery detection method for electrical parameter analysis, which comprises the following steps: acquiring a voltage signal sequence, a current signal sequence and a time domain oscillogram; obtaining a time domain state fluctuation index of a voltage signal peak region according to the time domain oscillogram and the rated voltage signal amplitude; obtaining a spectrogram, and obtaining a frequency domain state stability index according to the spectrogram; acquiring a voltage signal ternary feature descriptor, acquiring a voltage gain influence index, acquiring a current gain influence index, and further acquiring a gain influence index; and obtaining a Kalman gain coefficient according to the gain influence index so as to obtain an SOC estimation value of the energy storage battery, and detecting the state of the energy storage battery according to the SOC estimation value of the energy storage