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Morten Handberg Answers the Big RCA Questions

Morten Handberg Answers the Big RCA Questions

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Blade specialist Morten Handberg on when an RCA pays off, what SCADA data can and cannot tell you, and why erosion gets written off as wear and tear. The Uptime Wind Energy Podcast is brought to you by Weather Guard Lightning Tech, creators of the StrikeTape Ultra LPS retrofit. Subscribe to Uptime’s Substack newsletter. And check out Rosemary’s “Engineering with Rosie” Youtube channel. Have a question we can answer on the show? Email us! Welcome to Uptime Spotlight, shining light on wind energy’s brightest innovators. This is the progress powering tomorrow Allen Hall: Morten, welcome back to the program. Morten Handberg: Thanks, Allen. It’s so– It’s, it’s so such a great, great pleasure to be back again. Allen Hall: We have a lot to talk about today because of root cause analysis and the number of operators that are really struggling with RCAs, of when to do them or when not to go down the RCA pathway. It, it– There’s a, a ton of confusion in the industry about it, and we thought, well, this would be a great time for Morten to come back and explain when is the right time for an RCA. So Morten, when is the right time for an RCA? What should we look for? Or wh- how big of the problem sh-should it be [00:01:00]before I find somebody to help me do this RCA? Morten Handberg: So the obvious question is typically when something really bad happens, then I think everyone can agree that, you know, we should definitely do an RCA to get to the bottom of this. And that’s also just from a– It’s both from a technical perspective to sort of figure out, you know, why did this happen, and, you know, um, who… Well, what is the, what is the main cause? Is it, is it something that, you know, it was happening while we were operating the asset, be it turbine or whatever? Uh, was it something that was inert in the bla- in the, in the turbine, the blade, the gearbox that was just waiting to happen? So that’s always very important to know. Also because it tells you what is the chance of this happening again, you know, and, and can you prevent it in a meaningful way? Um, and there’s also a, a safety aspect to it because it’s– so it also tells, you know, uh, what if, you know, you don’t want blade falling left and right. You don’t want gearbox ex- [00:02:00] gearboxes exploding. You don’t want towers to collapse. We can all agree on that. Uh, and you don’t want this to happen because you don’t, you don’t want to run the risk that someone gets hurt, uh, hurt by it. So then RCA is a really important tool to investigate and find out, well, what happened here, and how can we prevent it, and what is the chances that it happens another time? So that, that is sort of the– That we can always agree and we would do it when, when something really terrible happens. Then there is the, you know, not so critical ones where, you know, you are just in time, uh, that, that, that you catch it, and then the question is, what is the– when is then the right time for that? Allen Hall: There seems to be a couple of phases in the lifespan of a turbine where the RCA, it becomes a little more critical. In that first year or two, particularly if the turbine is under warranty or you’re getting close to the end of the warranty, there– at least from a lot of operators I have spoken with, that, uh, [00:03:00] they would like to do an RCA as more of a documentation of what has happened on the site to then maybe claim serial defect maybe l- at another point. There’s just like the record-keeping part of RCAs, which I’m not sure is the right level of effort for what you’re trying to accomplish. Is, is the RCA the right approach there if you have a, a gearbox issue or a blade issue early in the life cycle of a turbine? Morten Handberg: There is definitely before the end of warranty, there is a, there is an, there is an aspect, you know, when should you actually do an RCA? And it should, it, it should benefit you in a way where you can– where there is an economical benefit, because it might not be a massive critical issue, but something that will lead to a lot of maintenance down the t- down the line. Um, but if you want to make it successful in the warranty claim, then you really need to know what is the, what is the cost behind it. Is it wear and tear? Is it [00:04:00] a manufacturing defect? Is it, uh, environmental conditions, uh, that are, that are causing it? And these, these becomes really important. That’s also why you can, you, you can, you can do an RCA on erosion, uh, because it, it can be important if you see massive, uh, erosion degradation that you really want to understand, what are my local conditions? Um, and a good example here is Australia, because Australia doesn’t work like Europe. We– You can take all the experiences we have from Europe, but it does not work in Australia. So you might want to do your, your, uh, root cause on that specific issue localized,...
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