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Jantech Power News May 2012

AC and DC Capacitors Should be Replaced?


While most all UPS system users are aware of the fact that the batteries they use for backup power wear out, they are not necessarily aware of the fact that these same UPS also utilize large banks of capacitors as well. These capacitors are used in both the DC (electrolytic capacitors) and AC (polymeric film capacitors) sections of the UPS for filtering. These capacitors age and degrade and need to be replaced before they reach failure mode.

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