Circuit breaker service life prediction method based on small sample learning
A life prediction and circuit breaker technology, which is applied in circuit breaker testing and other directions, can solve problems such as low diagnostic accuracy and efficiency, complex matrix operation process, and difficulty in meeting field applications, so as to improve prediction accuracy and ensure safety and reliability , the effect of simple scheme
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[0122] Phase 1 data set collection:
[0123] Step 1: Follow the figure 1 Schematic diagram of the system principle to build the experimental data collection platform.
[0124] Step 2: According to figure 2 Flowchart of data acquisition process Data acquisition of the vibration waveform generated by the opening and closing of the circuit breaker, and record its time domain data T data and frequency domain data F data .
[0125] Step 3: When performing step 2, record the opening and closing times Ω and the opening and closing current I of the circuit breaker at the same time.
[0126] Step 4: Substituting the discrete data of different switching currents I and switching times Ω of the circuit breaker recorded in step 3 into the formula (1) to obtain switching current I, switching times Ω and theoretical electrical wear E loss relational expression
[0127]
[0128] Among them, E loss Indicates the theoretical amount of electrical wear, α indicates the opening and closin...
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