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[AMPS] Oil Filled Capacitors

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Subject: [AMPS] Oil Filled Capacitors
From: (2)
Date: Tue, 10 Jul 2001 10:03:42 -0700
>Rich said:
>>energy storage capacitors should do ok provided they are operated 
>>below their peak-V rating
>Do they have a rating in terms of maximum discharges of so much energy per
>second or whatever? If so, it should be possible to equate the energy back 
>to a
>ripple current.
>One would expect that for energy storage, you would want the lowest ESR, 
>the discharge is usually a short duration, high current, and high ESR really
>hammers the energy storage under those conditions. Low ESR is what you would
>also expect to want for minimum heating in a filter cap; however, you 
>would need
>to get the ripple current equated to the maximum discharge current. 
>On the face of it, they should be OK. My experience with big energy storage
>electrolytics was that even in a tuned choke filter, so they didn't get the
>ripple current of capacitor input, they didn't last.
>At the risk of raising Rich's ire, 

/\ ... not likely.  A failed oil filled cap. is no big deal because when 
one fails, it shorts and trips the circuit breaker.  .  


-  R. L. Measures, 805.386.3734,AG6K,  

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