Challenges While Testing Magnetically-Actuated Vacuum CBs

May 2, 2016

Why is it challenging to test magnetically-actuated vacuum circuit breakers?

Magnetically-actuated vacuum circuit breakers, found in the medium-voltage class, work with a relatively new technology. While eliminating several moving parts, they use capacitors and a magnetic actuator in combination for the energy storage and delivery system instead. As a consequence, diagnostic testing specific to this circuit breaker must be re-evaluated. Additional parameters need to be measured and properly analyzed.

Our paper of the month describes the new challenges associated with diagnostic testing of magnetically-actuated vacuum circuit breakers. It provides an understanding, application, and analysis of the necessary tests, and is supported by case studies.

You are using an outdated browser version.
Please upgrade your browser or use another browser to view this page correctly.