Transformer Inspection Walkthrough

Southwest Electric Co.
Southwest Electric Co.
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Published 2021-07-12
Inspections on energized transformers are essential maintenance to ensure the health of equipment and prevent unnecessary and costly outages. Best of all, it doesn't have to cost you anything. In this video, SWE Training Manager, Mark Stone, walks us through inspecting energized transformers inside a substation.

-Download our Transformer Inspection Checklist: www.swelectric.com/resources/
-Visit our blog for articles on transformer maintenance & more: www.swelectric.com/blog/

Southwest Electric Co. is here to help with your transformer maintenance to keep your facilities running as efficiently as possible. Give us a call or email us with any questions you have, or to schedule your regular testing and needed repairs.
All Comments (20)
  • @wingsley
    This is very interesting and educational to the public, but there is one minor flaw that affects the quality of the video: audio quality. Part of this could be drastically improved by using a wireless lapelle mic instead of the camcorder's built-in mic. The camcorder mic picks up wind noise and also outside noises from equipment being used in the nearby neighborhood. Also when Mr. Stone turns away from the camera while using the built-in mic, the clarity of his voice is affected. If there's a concern about interference with a wireless mic, you can always combine silent video footage with separately recorded narration after the fact.
  • @richsums
    Winding temperature device is indeed important. It displays the temperature compensated by load. This is typically the relay that cooling fans are controlled by. If temperatures exceed a predetermined level, the winding temp device will alarm and then trip the circuit breaker, clearing the transformer.
  • @justinbyers1725
    As a courtesy when I did substation vegetation spraying if I noted anything visually abnormal I would note what piece of equipment it was and where it was located in the sub. So that way \when I called dispatch to log me out of the sub I could let them know.
  • @Majuscule2012
    I saw a valve in the bottom of the radiator, what happen if someone open it by accident and leave it open for a weekend?
  • @IamBethIam
    So is there a way to fix a leaking cooling fin manifolds?
  • @hareshrajyaguru8094
    Humming sound of the transformer is causing disturbance in listening. If possible please select any isolated transformer.
  • @AmericanOne9621
    You all must not have a problem with wildlife. Here in Tn. we use a heat shrink cover up material, everything load side of breaker. Or should I say THEY do, I'm retired as of 2020.