I found scientific papers where are studied capacitor banks by changing input voltage frequency and temperature.
There are some coefficients that the authors define to find reliability of the capacitor banks.
Are there any suitable coefficients by which can be found the reliability of capacitor banks more precisely?
Possibly the nature of dielectric is an important parameter. As the dielectric losses in turn will impact the performance of the capacitor.
Depends on capacitor type. Electrolytics have relatively limited life time, which basically depends only on temperature and voltage (frequency and ESR causes heating so it is already covered). Provided you stay within spec of course - e g transients out of spec might affect reliability in a way that is hard to predict.
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