Search

Premium Membership

Save 15% on Pro Premium Plan with discount code: UX778 (expires on October 31st). Study specialized LV/MV/HV technical articles and papers.

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 Comment

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!

9  +  one  =  

Learn to Design Power Systems

Learn to design LV/MV/HV power systems through professional video courses. Lifetime access. Apply a 15% discount code EAB77 and enjoy learning!

Subscribe to Newsletter

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