Search

Premium Membership

Study specialized technical articles, papers & courses in low/high voltage fields. Save 50% on all courses at the EEP Academy with the Enterprise Plan.

This video shows some timing tests made with the VCB demonstrating the tripping time of about 18 ms (which is less then 1 cycle of power frequency!) with pole descrepancy about 1 ms.

Premium Membership

Get access to premium HV/MV/LV technical articles, advanced electrical engineering guides, papers, and much more! It will help you to shape up your technical skills in your everyday life as an electrical engineer.
More Information

2 Comments


  1. Ahmad chachou
    Mar 07, 2020

    How do you test a vacuum circuit breaker


  2. Maheswaran
    Sep 04, 2019

    Please post the video for contact resistance test for busbar

Leave a Reply to Ahmad chachou

Tell us what you're thinking. We care about your opinion! Please keep in mind that comments are moderated and rel="nofollow" is in use. So, please do not use a spammy keyword or a domain as your name, or it will be deleted. Let's have a professional and meaningful conversation instead. Thanks for dropping by!

sixty four  ⁄  16  =  

Learn How to Design Power Systems

Learn to design LV/MV/HV power systems through professional video courses. Lifetime access. Enjoy learning!

Subscribe to Weekly Newsletter

Subscribe to our Weekly Digest newsletter and receive free updates on new technical articles, video courses and guides (PDF).