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How long does a capacitor for an air conditioner last? 

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The results show that the leakage rate of R32 decreases with air conditioner operation time.
The newly developed cycle could make a contribution for the application of refrigerant R32 in air-conditioner systems.
The results demonstrate that the proposed methodology enables to verify, under several system levels, how the mission profiles affect capacitor lifetime in PV inverters.
Therefore, PDHA/AC composite electrodes were more promising for application in capacitor.
The lumped spring-mass system is adequate for modelling the air-gap capacitor.
We show that both current and future air conditioner usage is concentrated among high-income households.
Thus, the capacitor deterioration can be diagnosed.
This work represents a first step toward combining data driven and physics-based approaches for modeling capacitor degradation.
The results proved the suitability of the pseudo capacitor for improving the performance further.

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