Off Grid 2 KW Axial Flux Wind Turbine And MPPT Dump Load Controler Build
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- เผยแพร่เมื่อ 5 พ.ย. 2022
- For the last 6 months on and off I have been building a new wind turbine. My old one was not design for the voltages I run and was made with limited tools and knowledge. now I have a workshop and a much better understanding of wind power I built a new one. it turned out exactly as planned and is working great. once I get some stronger winds I will do an update video of the output.
Thanks to wind power and more for the idea for the controller. you can find his channel here
/ @windpowerandmore6310
The idea for the controller came from another TH-cam channel. The clip I had crediting the channel had bad sound and got cut out. But visit wind power and more to see other versions of this controller and some great content. th-cam.com/channels/pHl5wAaAYKhWvkDHaRXjlA.html
Make a set of blades man you can make them lightweight out of stainless steel, and instead of having the excess go into the dump wasted, can't you have like a fridge freezer instead ie fridge freezer gets powered by ordinary set up then once ordinary set up cuts out due to overpowering and switched to dump can't the power going into the dump power the fridge instead until things go back to normal so nothing is being wasted etc ? Man if that was me I'd experiment so much I'd probably blow the lot etc I Just can't stop but it's the only way you learn but anyway back to the fridge being powered by the dump after it takes over seems good no? And get those blades made man seriously for the wind turbine I know you can make a banging set of blades ? Try 5 ? Smaller but just as potent etc then the pole won't be taking as much flack, anyway brilliant job and I tell you what once I go electric VERY SOON you'll be making my stator and turbine and blades AND fitting it all too seriously your only A 2 to 3 hour drive from me so all good I'll give you the sizes they have to be and you work your magic with NO TIME RESTRAINT at all plus I'll pay you up front if need be 50/50 anyway apart from my rant good job brilliant stuff and I hope we meet one day so I can have a go at you about something the only thing your good with ? so take care of em mate seriously I know we're not fairies but mate ? take care of em as YOU DO everything else ok 🤗
35:35 Dot's chasing the geese in the background, you better get after her...😉
I have had great success using Polyethylene (PE) on anything I do not want to be bonded with epoxy. One of the cheapest is plastic packing tape, it must have the marking PE on it, if it does it will work. Just tape the surface and the epoxy won't stick.
Because the wind is gusting from different directions did you consider a vertical wind turbine?
What ever project your working on is interesting to me . I’m impressed
Have to say Kris, as an electrical engineer myself your work is very impressive. Nice job!
I agree. Also an electrical engineer and I'm quite impressed how he builds everything himself. Even down to winding the coils. Good old fashioned engineering.
@@redcrow2006 indeed. Good stator and rotor build. Nice 4 pole 3 phase generator design. Happy days.
I too second this
@@sachin.c1211 I three third it.......... and my mate Paddy tree turds it.....
is it wired star or delta for higher voltage? maybe i also missed him explaining that
I've been enjoying your amazing videos for years Kris. As time goes by, I find myself continually blown away by the projects you take on and the breadth of your abilities to complete them. Then to top if off, you film it all and share it with the world, inspiring countless people to go for it and try a project of their own. People like you make the world an amazing place!
Just like me.. Except these projects eventually end. Mine are eternal
@@SLYdevil I m already a fully paid lifetime member of that same club 😂
@@SLYdevil Yea, my buddy says I'm excellent at starting projects.
@@SLYdevil Know & share the feeling..❗🙇♂️🤔
Tired of rebuilding Houses etc., just to vacate or relocate every time i think its done and comfortable..❗
In my retirement now at 77, as a Prof' Consultant i just want to continue with my Hobby in Bladesmithing and thats about it..⁉️🤔
Kris. Please don't feel embarrassed when I say, and know others feel the same, that you are inspirational. Well done and thanks as always for sharing your knowledge and journey.
I love videos like this because they make me confident that I could reverse engineer some level of technology if I were ever stuck in a time travel situation
Would you ever have thought when you were first building the roundhouse that you'd be at the point where you're making more energy than you need? Absolutely amazing, I love all the power content, and I simply can't wait for more building videos!
Now Kris @Kris Harbour Natural Building just needs to use the excess power to pump water up the hill, for DIY *pumped hydro energy storage.* :-)
@@YodaWhat Kris Harbour Natural Energy Harvesting
Yes, I think he had a vision at the start. & It's Good to see the thing come to gather to achieve it. I was born of grid no mains power or water much like him in 1952. but we lived in a of grid cottage. my first windmill I built was, by the use of a 6-volt Dynamo & the regulates & controllers of a ford popular. later & progress to a wood gasifier. That power my battery charging set' which was a engine driving a dynamo back then in my day the set's were army surplus. used by the army. now days there isn't a army surplus shop to be hade. LOL Later we migrated to a 12-volt dynamo. & to day it alternators that we use to charge the batteries. Our dump load was the cow shed light's & the second Bratty bank. We Never wasted an opatunity to generate Power. We stored all we could. No such thin as Soler panels. Things have come on a lot & yes, I think his work as done well. We get some people that often get the opatunity to deliver & contribute. Kris as been one such person. When so often as in my day we got them that would say it won't work, Or your just waiting your time. Or you need to be a qualified Electrical engineer to do that, Like him if I had listened to them, We would have had Nothing, in my opinion he Deserves an MBE. [ & i Nominate him for one] He as blazed a trail for others to follow . & opened up opportunity to power one's house of the grid on the cheap. Today but that debate i suggest is for another Day. Available to be had.
@@YodaWhat Use the excess energy to heat a big insulated water tank and then pump that to his various buildings to supplement heating. Then recover the heat from a steam engine or wood gasifier so that you're heating and charging batteries at the same time in the dead of winter. The rest of the year you can use solar heat.
You are one hell of an engineer !!. Thanks. Dave
watched this when it came out, popped up on my feed again today and was worth a second watch. Thanks Kris, you've inspired another off grid guy in Australia to build their own wind turbine. Cheers
There is only one Harbour in a storm ! You are the definition of the UK backyard boffin. Seriously impressive skills from design through fabrication to assembly - always comes together!
The shot of the filings marching around the stator was fascinating
Yes, really fascinating!
A jigsaw or oscillating tool with no blade would vibrate the air bubbles right out of any future pours. Splendid work as usual, thanks for bringing me along.
Hey Chris, a barn build will be superb!! Though the power generation videos are interesting, I do prefer your building constructions. That said, I appreciate that you are sharing a documentary view of your life, and the thing about real life is that it does tend to dictate the direction of travel so I am absolutely not asking you to tailor your content to appeal to my preferences. I think my fascination with this channel is continuing admiration for your choice to escape the rat race, and deep respect for the hard work you continue to invest in realising your ambitions. This isn't a soap opera where the plot is contrived to hold the attention of the largest possible number of viewers, and thank goodness for that, soups are aweful! Far above any trivial observation over my preferred content, I'd like to say thank you for sharing your interesting and exciting journey with us, long may it continue!!! Thanks mate!!
Holy cow! Pouring resin over the hours you spent on the windings must've been a crazy intense moment. Way to commit, dude.
Hi Kris, yet another amazing video, extremely informative. Never apologise for videos being long, anyone not interested can walk away or turn off. From my perspective, if you filmed all day, I'd get nothing else done because I'd be glued to TH-cam. Looking forward to the next one 😃. Great work, well done.
A full hour! What a treat!
I am very envious and wish I had the no fear growing skills that you have, Kris. I have been paying attention to the detail you put into everything you touch and the quality. Also, the 4x4 you fixed is crazy cool! You are a master at just about everything. Thanks for the video!
I find myself so fascinated by every aspect of your journey (since you first walked your land) that it does not matter what project you are on. Your thought processes as you tackle each new challenge and the way you build what you need from scrap are well worth every moment!
It's really difficult to troll a channel like this he does everything so well! I just love watching these videos.
I've been watching your videos for over 5 years now Chris and come to the conclusion that when you put your mind to it you can build anything with your knowledge and materials at hand. Another great video. Well done Sir 👏
Snow and -2°c here in B.C. this morning. Roaring fire lit and and a full hour from you👌 Thnx for making my Sunday Kris.
I love watching you build wind turbines. I've watched you carving the blades probably 10 times now, your craft is amazing.
Same goes for James Biggar. He made his Reaper turbine and posted a video here on YT. It's jaw dropping as well.
I haven't been to this channel for a little while, I have to say that watching Kris work is incredibly relaxing.
Put a "Lamp Test" button on the elements to check they are operating ok. A light comes on and you don't have to do a lot of double checking.. Realy enjoyed these video's pf yours and will look forward to the next phase in the homestead growth. Keep up the good work :)
Well done Kris, always something interesting, look forward to seeing more of your plans come to fruition.
What a project! love the longer videos.
I always thought an interesting/useful dump load in the UK climate would be a buried, insulated tank of water that is used to heat a greenhouse through radiant underfloor heating pipes. I've never sat down and done the sums on it but the idea has always been with me... especially as temperatures dip and I wonder what could be grown in a heated greenhouse in winter.
check out some vlogs of all year round greenhouses in the north usa, they use big pipes buried circulating the air, sunken like gruber huts, citrus trees etc. grown in them, the north side is usually a bank of soil
Sand if the way to store heat . An insulated water tank full of sand and run water pipes through the sand as well as heater elements. see this video for an explanation th-cam.com/video/kzj1PCA_jxA/w-d-xo.html
I too like dumpload idea, and underground water tank I know a scientist that has a very large tank that he just paints black lol. The problem with wind were i live is many nights there is very little wind. I would be tempted to heat with solar and use wind to run half the waterpumps.
It was very helpful you explained each step so clearly. Thank you for respecting how some of us really wish to understand your process. The hook up to your batteries and heater through logic panels were especially good ex planations for us unschooled folk. The range of skills you are mstering is impressive. I love these vids!
Thrilled to see you even wound your own coils
I wind my own guitar pickups, 5000 turns of 42 Awg wire so that was cool to watch 😊
Great job on piecing together a very interesting video Kris. Always amazes me how much of a renaissance man you really are. Need power? ...build me a hydro, solar and wind system... need a workshop? build me an earthbag workshop. need some lumber? ... fabricate a sawmill. Simply amazing!
The things I learned today watching you work, just blows my mind. Nice work sir!
Thanks Kris, very interesting.
I have to arrange a load dump for my off-grid Solar into a hot water tank, so you've given my lots of useful ideas.
Thanks again.
Personally, I decided my interest level by clicking on the link that sent me here, good sir! 😊 Wonderfully done, Kris! I have no plans to do any of that for myself but I sure do enjoy watching you do it 👍 Excellent work! Thank you!
Really nice! The reason you point the blade axis skywards slightly is to give you a little more leeway for blade deflection towards the tower. Prevents the blades from hitting in high winds / bad conditions.
Just a thought. Also the force vector from such a tilt pushes the wind turbine nacelle downwards, instead of upwards. So mechanically less issues with the nacelle flying off ones tower?
@@LAZASASIf I remember rightly Hugh Piggot reckoned it also helps turning when the wind veers
Hi Kris, you should know that when SSR's fail, they usually fail closed, so that part would be inherently safe as well!
Awesome stuff!
Hi Kris, looking forward to your future 'venture' ------ building the barn.
You've proved yourself to be a man of all trades & this windmill upgrade video is more proof that gas/coal/nuclear power sources have real competition.
From round house to power house you have been a source of imformation to the young & environmentally conscientious & hope to the older folk like myself.
Thanks for the upload, RGDS, P.h.
Hi Chris, 32:20 the reason why the blades are tilted back at a 5 degree angle is because on bigger wind turbines blades flex and would end up smashing against the main upright pillar and destroy itself.
Excellent content Kris, very enjoyable watching. Must say looking forward to the barn build, excited to see what master piece you'll conjure up this time. Slow & steady, as always.
40:19 - if only everyone else in the UK had your problem! That’s what we call in my circle of friends as a “drive by gloat”. You earned every bit of it though. What a great episode Kris.
As an engineer, I really enjoy watching you work through this, problems and all.
Kris, you're a rock star. Honestly, I cant keep up with how many things you're teaching yourself. Extraordinary. I am VERY much looking forward to the barn build, perhaps you can feed us some teasers like a picture, and or material you're going to use in the creation of the barn. Strawbale? Board and Batten? Cheers mate.
Inventors like you are amazing, watching how you have made this is incredible and if you ever decide to make and sell these, even if they are just for garden interesting objects I’d definitely buy one. I have always wanted an American windmill for the garden but I can’t find any sellers here in the UK!
We’re slowly moving forward towards going green, but the initial outlay together with the software, batteries and ancillary components is unfortunately too expensive right now.
We will get there hopefully, and people like you who create things like this, in the UK, will be so important in the future. You are, literally, the future.
Good luck with your projects, they make fantastic videos.
If you have too much power, push it into a big hot water tank and take a long shower or let it be a backup to your main system. That's what I would have done and I would have added a switch to flip it to a heating element as needed or if something was too hot. But very good job on the whole system Kris and good luck forwards. :D
Excellent video. Your multi talent knows no bounds. You have developed 3 complementary systems and the best I have seen. I look forward to new projects.
Impressive skills! Always look forward to your vlogs.
Incredible. Just keeps on improving year on year. remarkable. Looking forward to seeing some kids on the channel to pass on all that wisdom too! Thank you for sharing. 👍👍
Longer the video the better, your channel is truly one of a kind. Thanks for sharing your life, creations, and innovations with us.
Excellent job of not only going thru the fabrication and construction of your wind turbine, but your knowledge and explanation of how it functions is at the level we can understand.
Just something you built in your spare time? Impressive!
Doubt I'll ever get to doing something like this on such a scale, but it's honestly a new dream I feel like I could pursue somewhat after watching this. So, thank you so much, this was an amazing video and good luck in whatever projects you tackle next.
Get inspired people
All for free energy lets
Free all fromenergy
Oppression and milking
Us Yes us the people
Dry...blacksmith theo
Harlingen holland...
@10:54 Wax paper is your friend here. Regular kitchen grade. Put a layer of wax paper between the mold and the top board. Resin will not adhere to the wax, allowing for a simple and clean separation.
Additionally, the wax will melt and seal off against the resin surface without intermixing. That seal will block oxygen from entering, allowing for a faster and more thorough cure.
Absolutely love your channel Kris. You are an extremely intelligent young man. Able to use what you have to do what you need. Love watching you and your wife’s journeys. Thank you for sharing brother.
Kris. Have you thought about dumping the excess power into a water heater rather than waste it to atmosphere? Or use both! i.e. when the water is up to temperature it switches over to the 'air' heater.
That is a fantastic idea !
One of the better video of building a wind turbine. Thanks for putting this out so others can learn.
Another awesome and well presented video,,your engineering prowess just blows me away. Love how far you've come from sandbagging to a beautiful off grid homestead.
I've been waiting for this video ever since you mentioned it in a video a while back. Sounds like this will make a bonkers amount of power for you too.
It's really cool to see the effort you've put into various small or not so small improvements culminate to a really bitchin setup
Awesome job Kris! You do beautiful work and love how you explain things as you go. Thanks to Dot for the drone footage.
We love the variety on your channel. Hoping we do still see more of this kind of work. The building is awesome but also like to see all the aspects your have to offer. Great job.
Brilliant, well played, love you showing us all what you are up too. All the best as usual. Many thanks.
Great work as always Kris... i can't fault your initiative, technical know-how and sheer tenacity on all your endeavours. Power to ya'mate!!!
Your well researched, well experienced applications of power have been the most rewarding in terms of spending a little of my life quietly observing yours. Inspiring of you to consider where to dump a potential of excess energy. A heater is brilliant in your corner of the world! Perhaps as integral to a real world application of sand battery heat storage...whoops! There I go gushing on again for all the enjoyment you continue to provide in this well presented power video . I'm sure you know we all worried for your shoulder on the lift...but I'll bet Dot let you know that already. Thanks for another great one!
@40:00 man what an awesome problem to have. So cool watching you build all this out Kris.
You should make like an online course. One of the best explainers of difficult stuff I've heard online. You're a bloody smart dude
Very impressive! I recently watched some Living Energy Farm videos on DC small scale electric systems using nickel iron batteries. They also have solar DC to power their shop, interesting stuff. Love the step by step approach here, reminds me of physics lab back in college (wrapping copper wire, anyway).
Just built a large off good farm and house off grid using victron kit love to work with kris on a water turbine
Kris I find this stuff quite fascinating. I love watching you at work with all your High-Tech machinery. I always look forward to your presentations... I must admit some of the power stuff is a bit beyond me but I learn as you go. You have come such a long way with your property... and lets not forget your cat!
Kris - This is such a fantastic video! Thank you and your wife for posting! You have definitely helped me to explain this type of set up to my wife. Blessings to you!
Kris, brilliantly constructed in every aspect, design, build, test and production of physical and video. love watching. Keep going bud.
If you flash your resin with a torch it helps release a lot of air bubbles. Great work!
Impressive stuff! Thanks for taking the time to film and share it.
33:57: Just and idea: Since the seal is looking up, you can attach a protective collar/hood (like an umbrella) to the axis, so water and dirt will miss the seal; making it last longer. Thanks for sharing!
Every video is better than the rest. I know the basics and have a small solar setup myself but to actually build an electric generator is very impressive ,well done.
Thank you Kris for sharing all of the details of this build! Great work and a fantastic video!
Excellent Kris, I wouldn't worry about the SSR. It's into a purely resistive load and they tend to fail short anyway. Really interesting video💪
First time seeing one of your videos…, Wow! I could watch these videos all day. How satisfying it must be to provide all of that for your family.
Loved the video! It's the 1st of your videos I've watched and found it to be quite inspiring. I think I'm going to pursue some more DIY projects myself because of it. I can't help but feel more and more these days like our time in the world today having all these luxuries and conveniences is limited and will soon come to an end leaving all of is who arent prepared doomed to an unpleasant demise. Being prepared and having the ability to survive on my own is becoming a top priority and having people like you around to help me establish a plan is priceless. Thank you for taking the time to share this information.
About the twists in the cables - either a chain (to stop excessive twisting) or a spring which returns the turbine to it's starting position might be worth considering (similar to springs on gates to close them). This may take a while to source but could solve the problem. If you don't sort this and the cables are going to be stretched, although this doesn't happen very often, having them as a standard serviceable part that you can unplug and replace might be worth thinking about for future designs.
Trouble with this is you could end up throwing power away when the wind turbine is prevented from fully turning into the wind, and this situation could last a significant length of time until it resolves. Also it could prevent the turbine from furling in strong winds which could be catastrophic. Just another unfortunate trade-off in a system with no slip rings.
Excellent work, this is the best I have seen on this topic. I can't wait to see what you work on next.
My takeaway from this video is that your expertise in power generating is amazing. I understood very little of the details at the end but it was fascinating. Your next project for power should be extracting the lithium from the ground at your place to expand your battery array!
You should have a medal! Thanks for your thorough way of explaining: Thanks for taking your time to record and put all this here together. You are a champ and a hero. Thanks a lot.
Great stuff as always Kris! I had always envisioned a dump load on a wind turbine as a heat and/or water heating element and use it to heat a body of water within my green house, which will then slowly be radiated out to prevent frost. I bet your workshop will warm up nicely from on ocassion.
Really did enjoy this long episode Kris (kind thoughts to Dot), so interesting to see you making the winds and constructing the wind turbine. Great stuff. I do agree with your concern about the tube at the top of the pole being a likely fracture point - but a stout bit of sleeving should do the trick. All great stuff! And building to look forward to as well !
You’re my fav off grid guy, even though I haven’t a clue about any of it.
Great work Kris! Best to you and Dot and all the critters!
I'm very impressed of your skills.
Lots of inspiration for me! 🙂
I'm also using a dump load approach - but for a solar-thermal system.
In my case this is a 4.5kW radiator, which consumes any heat I can't store.
Since I installed that, the wear on my system significantly decreased.
Use quick passes from a blow torch to eliminate the bubbles. On melamine, there are release agents (wax) that make it real easy. If you use wood again, you can use wax paper between the two. The resin won't stick to it.
Yes on the blow torch or heat gun .Misting with denatured alcohol also works .That's how the epoxy artists get rid of bubbles
I just took a quick glance at your channel and it's gonna be one of the ones I can't stop watching until all is processed and understood! This is how YT should be utilized IMHO. Just getting started. Excellent work 👍.
The twist of wires, I give the man a 200% at explaining.
Great video Kris.
It literally makes me physically sick how difficult it is for average Joe Public to put up a usable wind turbine in this country. Planning permission... Lack of companies who offer turbines... and lack of small scale (domestic) wind energy expertise.
Love seeing this kind of thing.
it's as if someone would want to intentionally stifle the development of green energy.
there is no money for them, they need to sell you electicity and fuel at the price they enjoy massive bonuses, just check top managers' bonuses at energy companies
Fantastic job Kris :) All of your projects are really exciting to follow :)
Thanks Kris for sharing your knowledge with us. You really give me a sense of belongings to my engineering field and looking forward for your new videos
Great work and thank you for taking the time to tell us about your efforts.
While unbridled wind power generated by a free-spinning turbine is great, and just does fine, I offer the following thoughts for your consideration, noting that you have a PWM output from your controller...
A HAWT works most efficiently with a tip to wind speed ratio of about seven. i.e, the tip is moving at seven times the wind speed. (tip wind ratio = 7 TWR7)
Below and above that TWR the turbine doesn't extract as much energy as it could.
Often (usually, I suspect) the turbine is working in a near stalled state, where the drag of the generator is holding the rpm well below optimum. This will have the undesirable effect of slowing the run up of the turbine to optimum rpm as wind speed increases, which means you are not maximising the energy harvest. In typical cyclic wind conditions I think it will be better to grab shorter bits of charge at closer to optimum rpm than having the turbine spin at near stall a lot of the time, when it is not generating much at all, but it cannot (because of the load) get up to speed.
So to optimise output, it would be good to allow the turbine to spin up to the TWR that approaches seven times the prevailing wind speed before you start to pull load off the generator.
So; rpm counter on the turbine will give you tip speed, and a basic wind speed meter mounted on the pole will give you wind speed. Then, via trivial software and math (using an Arduino, say) you can compare the two speeds and get a PWM output proportional to the speed ratios which you can apply to your poor overworked solid state relay to send the load to the batteries. (A capacitor downstream of the relay may smooth the output a bit, and it will be interesting to see if the PWM rate needs to be controlled a bit to avoid excessive cogging and thus cyclic loading of the turbine as the load is varied. Later)
I believe this method of control will have the effect of letting the turbine run faster and hence it will grab more of the passing wind energy since it is working closer to optimum.
Thinking of it starting from slow spin in low wind, the wind increases, the TWR controller allows the turbine to spin freely up to your desirable TWR then starts pulling power. As wind speed steadies, the turbine is kept in the sweet spot. As wind slows, then the controller promptly proportionally unloads the turbine allowing the flywheel effect to have it spinning faster in anticipation of the next gust. So overall the turbine will operate for more time closer to the optimum TWR.
Practical considerations (like the probability of the rpm exceeding the structural integrity of the blades, bearings etc) may see you choosing a lower ratio (like six or five) but anything approaching the ideal seven will be of use, compared with running the blade far out of the ideal range in a near stalled state most of the time.
Good to keep tip speed below speed of sound. A turbine with blades 1 m long (2 m dia) has a tip path circumference of 6.3 m, so to get that spinning with tips at the speed of sound requires 55 hz or 3275 rpm. That would be in a wind of 49 m/s (176 km/h). Hopefully your feathering mechanism will have cut in before then!
FYI I'm in the process of making a small turbine setup to test this myself and will report when / if I reach finality on that work.
Hope this is of interest to you.
Very nice work!
Another tip, if you make the coils slightly trapezoidal you can pack more copper in the windings.
Only the radial sections of the wires generate electricity as they pass through the magnetic field.
@ahaveland...... The last sentence of your comment left me puzzled. The cross product of the magnetic field vector and the motion vector yields a current in the direction of the windings.... or maybe I didn't understand your comment. It's as if you were saying that the wire on the 2 long sides of the windings is being wasted.
@@nicolasuribestanko no, the wire on the short sides is mostly wasted as there they are mostly outside of the magnetic field, and there the magnets move along the wire, not across them. This is why long motors are more efficient and have more torque than short ones because there are more and longer windings inside the fields than out of it. (edited)
@@ahaveland Got it! Thank you.
@@nicolasuribestankoThanks - on rereading, I edited my reply to explain it hopefully more clearly!
Great progress. Being a pessimist, I might be tempted to put a voltage monitor across phase wires ultimately feeding an alarm, just in case the rectifier fails and allows the wind turbine to run without load. You have a switch to short out the phases but it requires manual intervention.
I’m never not blown away by your mind! Your brain is in computer mode all the time and it’s fascinating to witness really. I’ve been watching since you first showed us this land, what you’ve done since is incredible. Love the content and look forward to seeing all your creations and genius at work.
I just enjoy watching anything you make and reasons behind them. All makes sense to me.
Really love everything your doing amd have done. Constantly learning and improving. Watched all your videos and you've come a very long way, from when you were making bowls and your first vertical wind turbine.
Look forward to what you do next with the barn.
Well done Kris 👏
You could use a voltage sensing relay to trigger aux 1 if for some reason the voltage on the turbine gets to high due to the a malfunction of the ssr as you mentioned. Sad to see less energy projects in the future, however I'm always pleased to see your other videos as well:)
It seems SSR:s usually fail in ON position so less worries.
Dude you buld the best types of generators, im always intrested in off grid energy, and your pretty much the only person, who fits these needs, and they are all made so well.
2 minutes in I realized this is a 1 hour video, holy smokes! I wish you had more time and energy to post longer videos like this one.
You're awesome.
Nice job! A solid state relay usually fails short. This is often a problem but if I understood you correctly this is what you would want to happen in this scenario. Still, I'd quadruple the rating and buy from a reliable source.
For future castings like this, a vacuum chamber will be your friend to get rid of air bubbles and ensure full resin penetration of the coils. You will also want to gel coat the mold so the resin can't stick to it.
A practical alternative to a vacuum chamber would be a vacuum pump and bagging. See Mad's video on the Sail Life channel where he makes a new rudder for his yacht.
@@poruatokin most people who do resin just jiggle the mold with a sander
I been watching for years...amazing. Most of the time I know what you are talking about so it’s all been enjoyable.And now the barn...very enjoyable.
Watching this with a mate from Vestas and he is quite simply astonished. Magic.