The IET is carrying out some important updates between 17-30 April and all of our websites will be view only. For more information, read this Announcement

Rules and Guidelines
Want to participate in the discussions? Please read our Community Rules and Guidelines. Need some help? Visit Support and Answers.

  • State Not Answered
  • Locked Locked
  • Replies 44 replies
  • Subscribers 31 subscribers
  • Views 3704 views
  • Users 0 members are here
Options
You may also be interested in
This discussion is locked.
You cannot post a reply to this discussion. If you have a question start a new discussion

The Western HVDC Link

Alan Capon
I did originally answer the previous thread, but have since deleted my response and I believe a new thread with a proper and correct title is the correct way of answering. 


More info on the fault here: https://www.energy-reporters.com/transmission/italys-prysmian-under-fire-over-uk-interconnector-failure/ 


Reports suggest an undersea cable fault in the vicinity of Liverpool Bay. 


Regards,


Alan.
Parents
  • 0
    As far as I know, TDR is still the preferred method, although with a precision pulse generator and a precision oscilloscope rather than an “all in one” unit with just a “go” button. The idea is that you take (and save) the profile of the good cable, then after the fault, the “new” trace can be compared to a previously taken good trace. In theory at least, the fault should show up as a difference between the two images.


    Other methods include continuous temperature measurement using an integral fibre optic core, and Marine AIS systems that allow you to set alarms based on the proximity of ships to the cable. 


    Regards,


    Alan.
Reply
  • 0
    As far as I know, TDR is still the preferred method, although with a precision pulse generator and a precision oscilloscope rather than an “all in one” unit with just a “go” button. The idea is that you take (and save) the profile of the good cable, then after the fault, the “new” trace can be compared to a previously taken good trace. In theory at least, the fault should show up as a difference between the two images.


    Other methods include continuous temperature measurement using an integral fibre optic core, and Marine AIS systems that allow you to set alarms based on the proximity of ships to the cable. 


    Regards,


    Alan.
Children
No Data

Join us to get the best from IET EngX.

Joining EngX lets you personalise your experience so you stay up to date on the topics that interest you, plus you’ll be able to make connections who are looking to collaborate, exchange ideas and more.

Join us Not now

Community Rules & Guidelines