『PEAK Wind Masters Site and Turbine Selection』のカバーアート

PEAK Wind Masters Site and Turbine Selection

PEAK Wind Masters Site and Turbine Selection

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 Lene Hellstern, Director of Engineering at PEAK Wind, discusses the complexities of onshore wind siting, the advantages of using LIDAR technology, and strategic considerations for turbine selection. Sign up now for Uptime Tech News, our weekly email update on all things wind technology. This episode is sponsored by Weather Guard Lightning Tech. Learn more about Weather Guard's StrikeTape Wind Turbine LPS retrofit. Follow the show on Facebook, YouTube, Twitter, Linkedin and visit Weather Guard on the web. And subscribe to Rosemary Barnes' YouTube channel here. Have a question we can answer on the show? Email us! Allen Hall: We're back with Lene Hellstern, the Director of Engineering at PEAK Wind, and we're talking about onshore wind siting, which is a really critical issue that a lot of operators have difficulties with. And I've seen it in the United States and it's not good. And I'm wondering from your perspective, what are some of the problems, Lene? Well first, welcome back to the podcast. Lene Hellstern: Thank you. And thanks for having me repeat experience last time, so I hope so. I thought I'll pop in again. Allen Hall: Well, it's good to have you back and thanks Lene Hellstern: for coming to Copenhagen. Allen Hall: Yeah, well we love Copenhagen. It's great. Uh, I just wish it was a little bit warmer. Yeah, the sun is terrific. Yeah. When you're in it, well, at Lene Hellstern: least I fixed that. Right. Yes. It's not raining. It's not raining. Yes. Allen Hall: We, we quite enjoyed it. Uh, but I'm trying to get an understanding of what the underlying issues are with onshore wind siding and why some of the operators have difficulty later on. Let's just start with the sighting [00:01:00] itself. Yeah. Is usually, we'll see a wind mast out on site for several months, maybe a year, maybe two years. To try to get some wind data. We would Lene Hellstern: really like that. Yeah. Okay. But, uh, the preferable measurements are lidars. Allen Hall: Oh, lidars. Yeah. I have not seen a lot of lidars in use. Lene Hellstern: No. You, you need to get some more. Allen Hall: Why? Lene Hellstern: Um, because they reach higher. Allen Hall: Okay. Lene Hellstern: Um, and you can, uh, you can, you can move them around. Right. And the hassle of installing a Met Mass that's a hundred meters tall, is, uh, is it a problem? Quite, uh. Quite it, it cost a lot more. Yes. Um, and, and the lidars, they, they just, they're better and they measure higher. And you can, you can have one sort of mother lidar and then you can move the other around and you can cover your wind resources and site suitability much better on the site. So I would definitely recommend Allen Hall: lidars. Okay. How the lidars use a [00:02:00] good bit of power to make them run, correct? Yes. So you need a decent power source? Yes. Lene Hellstern: You do? Yes. Allen Hall: Okay. Yeah. I, is that one of the difficulties why they don't use a lidar? Is it just in a lot of remote areas, they don't have the power source to run it? Lene Hellstern: It could be, or it could be the, the lack of knowledge. Right. Traditionally we have used med masks, yes. Allen Hall: Forever. Lene Hellstern: Uh, so, so it could be, and then there are also some, um, uh, some issues with uncertainties because the lidar is the, the standards are not up to date. I would say that's the political way correct way of saying it. So. Eh, the standard actually introduces more uncertainty on the lidar that's really not necessary to, due to a calibration with a me mast. Um, so that there's some, there's some things that needs to improve in that area Allen Hall: because a lidar should be a lot more accurate than a met mast. Lene Hellstern: Yes. Yeah. Yeah. But, but the, the downside of the lidar, so that, that is not often we see that, is if you don't have enough particles in the air,

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