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RE: [Amps] oil-filled capacitor operating position

To: <>, <>
Subject: RE: [Amps] oil-filled capacitor operating position
From: "Patrick A. Thompson Sr." <>
Date: Mon, 1 Mar 2004 21:29:54 -0500
List-post: <>
As far as operating position, I would try to find the manufacturer's
recommendation.  For a clue into what modern types might be capable of see The LK series will operate in any
position but I have only seen them used with the terminals up.

My personal preference would be to mount the terminals up because the
terminal area is the most probable leakage area.

Your second question is easier.  The two caps can be paralleled if you do
not exceed the rating of either.  Don't exceed the voltage rating of either
unit and don't exceed the ripple current of either unit. In practice, you
won't have to worry about anything but the voltage rating of the lowest
rated unit. The capacity is simply added together.


-----Original Message-----
From: []On
Behalf Of
Sent: Sunday, February 29, 2004 8:13 PM
Subject: [Amps] oil-filled capacitor operating position


What can you tell me about oil-filled capacitors in the 20 to 40 uF range,
eith a DC working voltage of 3 to 5 KV, on the subject of
operating position and being paralleled?

Do large cans need to be operated only with the ceramic insulators in the up

Are two cans able to be paralleled for greater capacity if their ratings are
not exactly the same?


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