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Employing ball soldering technique

Posted: 22 Dec 2015 ?? ?Print Version ?Bookmark and Share

Keywords:ball soldering? copper wires? solder joints? Corona suppressant soldering? high voltage?

While "ball soldering" has been used to describe physical arrangements other than the one about to be described, I'm still going to use this term.

In some circuit assembly where point to point wiring is used, junctions of copper wires can be soldered together as in this first sketch with no problems. As long as there are no cold solder joints, things will be just fine.

However!! If the wires under discussion are operating at some high voltage (Maybe 30 kV? Maybe 50 kV? Maybe you name it? ), there can be issues with corona and if corona is occurring, that means lotsa trouble.

Corona suppressant soldering, or ball soldering, can be of help with corona avoidance as shown here.

When I was working for a prominent high voltage power supply company, this soldering technique was always used in building the high voltage assemblies.

It was absolutely de rigueur and I strongly recommend it.

About the author
John Dunn contributed this article.

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