Not just a mechanic, but you understand the electronics and functions of each system. Impressive!
@Druze_TitoАй бұрын
He has to. He makes up living out of it.
@speedkar99Ай бұрын
I'm an engineer not a mechanic :) But we don't learn this in school!
@metzmatu8409Ай бұрын
@@speedkar99 I know all this while you are an engineer. Not all engineers can make good educating videos out there thou. You are one that's well drilled and structured throughout those videos.
@ComplicatedStuffАй бұрын
@@speedkar99It is very clear by the way you talk that you are an engineer with broad interest. Not just learning facts from books but actually understanding things. It is fortunately not uncommon for engineers 😊 What you do very well is explaining it without rambling on about tangent details and throwing some dead pan humor in. Always fun and interesting to watch! Cheers.
@goranjurkovic679628 күн бұрын
Actually he doesn't understand mechanics
@test40323Ай бұрын
surprisingly thorough analysis. sounds like someone is certified to work on hybrids or studying towards certification. congrats on your achievements. i admire your ambition and discipline on lifelong learning.
@BStreet666Ай бұрын
So cool that you're doing a complete Gen 3 tear down.
@speedkar99Ай бұрын
I got a ford fusion Hybrid coming next
@cash2.0Ай бұрын
Great insight into how it all works. My 2010 needed a "Transistor Kit" as Toyota described it after the inverter failed at just over 90K miles. It went into limp mode and displayed the message, "Check Hybrid System."
@speedkar99Ай бұрын
It's a common failure covered under warranty.
@gx4548Ай бұрын
your introduction of the power electronics is smoother than many electric engineers. cool.
@speedkar99Ай бұрын
Thanks! Glad you appreciate my video style
@Nicholas-f5Ай бұрын
@@speedkar99having it on 2x makes it 4x 😅
@Jean-Sylvain-v5tАй бұрын
Nice piece of engineering. What is surprising is the reliability of this complex system.
@speedkar99Ай бұрын
I agree...very complex yet very robust.
@fuzzycuffsАй бұрын
"We're not talking about LGBT here, we're talking about IGBT"
@yay842Ай бұрын
I legit snorted. He's honestly underrated and hilarious in a dry humour type of way LMAOO 😂
@Giuliana-w1fАй бұрын
IGBTQLA+
@jn9861Ай бұрын
😂
@OutsideTheTargetDemographicАй бұрын
I suppose both convert something into something else.....
@auntbarbara5576Ай бұрын
@OutsideTheTargetDemographic bruhhh 👍🏻👍🏻😎😉
@vahagnbekverdyan25 күн бұрын
Pure teardown, no boolshit, no waste of time. excellent!
@yornotelppa23 күн бұрын
I'm a 77 year old EE and you did an excellent job with this video!
@JimTurner-uz4om24 күн бұрын
Superb overview, I actually learned more on how a hybrid works and the physical interfaces involved in this one video than the multiple " block" diagram presentations on other KZbin descriptions. Well presented without any background waffle, many thanks.
@tompeters8696Ай бұрын
Thanks for making it easy to understand for a layman
@slavric15 күн бұрын
IGBT means Insulated Gate Bipolar Transistor, it's a mix between MOS-FET and BJT. SiC or Silicon Carbide is much more efficient but yet more expensive. You can't be just a mechanic to know so much about electronics. My respect to you.
@olspannerАй бұрын
I'd need to watch / listen to this quite a few times to take it all in. Wow, thanks for sharing.
@speedkar99Ай бұрын
You are welcome. Slow me down and it'll stay don't worry it's not that hard. I hope the diagram helped
@edwinlipton26 күн бұрын
I am truely impressed! You were so born for this, I'd almost believe you engineered this system before production.
@marsgal42Ай бұрын
"This is how it works" sure beats throwing your hands up in disgust at the new-fangled technology. Toyota are masters at making cars that just work, no matter how complicated they are.
@alanmay7929Ай бұрын
when you use very high end electronic components its only going to be reliable, most of them are Panasonic or other high end electronics manufacturers.
@hedgehogthesonic3181Ай бұрын
@@alanmay7929 Right, and all the components, capacitors, transistors, are not liquid based, unlike the old ones, so these won't dry, they will just keep going unless water manages to get in contact with them, or they overheat, something like that.
@speedkar99Ай бұрын
Very solid tech
@GeorgatzisАй бұрын
Yes and how long will they last with such many electronic components?
@xXYannuschXx28 күн бұрын
@@alanmay7929 Eyup, we are so used to incredibly cheap crap electronic components used in our day to day appliances that its hard to imagine something like this can actually be reliable.
@Slender2261Ай бұрын
Can't wait for eCVT video
@speedkar99Ай бұрын
Coming next week
@AKAtheAАй бұрын
*insulated* gate bipolar transistor :D basically a hybrid between a field effect and bipolar transistor
@vinnieluther6589Ай бұрын
Thank you, hearing him call them integrated gate bothered me.
@speedkar99Ай бұрын
Sorry I mispronounced it
@UpHillEdd29 күн бұрын
Good Job! I am always surprised that this rather complex electronic, as in my Prius NHW20, has been working for 20 years and still flawlessly!
@paulstrangers294316 күн бұрын
I'd give it 2 👍 👍 up Not just the inverter/converter operation but how it's tied into other associated equipment including the engine.
@shengruizhang6476Ай бұрын
Wow been waiting for this one. Thanks for the teardown and sharing!🎉
@ccshello1Ай бұрын
6:00 In between the 200V HV battery and the actual 3-phase inverter/generator unit, there is always the boost/buck module in the power path. When the PMSM motor is in motor (as driving) mode, that module is in boost mode, raising voltage to approximately 500~600V to 3-phase IGBT based inverter. When the PMSM motor is in generator mode (wheels and/or ICE driving), the 6 power diodes serve as 3-phase rectifier. The resulted HV DC thru the same module, though current flow is backward, DC-DC down-converted to a lower voltage (known as buck mode), to charge the HV battery. Note that in this mode, the buck converter carefully regulates the output voltage to properly charge the 200V HV battery. I.e., it is a battery charger. P.S. most earlier Toyota hybrid vehicles are using more robust NiMH batteries, thus the charging voltage can vary a lot. Some later models change to Lithium-Ion (mainly NMC type) batteries thus carefully controlling the charging curve becomes essential.
@BillGates_AlexАй бұрын
How do you know all of this shit man?
@RotoRColАй бұрын
@@BillGates_Alex😂agreed
@ثابت-ج6ضАй бұрын
thank you
@speedkar99Ай бұрын
Awesome explaination
@agriktechomulimi128429 күн бұрын
😂 😂 😂 😂 😂 😂 @@BillGates_Alex
@nnamerzАй бұрын
Amazing breakdown! Have you taken other electrical courses (aside from ones specific to the automotive trade)? You seem very well versed in it
@speedkar99Ай бұрын
Nope. I don't learn this in school. The best way to learn is to tear it down yourself!
@liver.flush.maestroАй бұрын
Man, this is so complex, it is incredible they managed to make it reliable and high production...
@ralanham76Ай бұрын
It’s easier to keep non moving parts running, just keep them in the right temperature.
@liver.flush.maestroАй бұрын
@@ralanham76 Correct, but imagine being able to manufacture this complexity at a large volume, while still keeping good quality control, this is complicated I think 🙂
@speedkar99Ай бұрын
I agree...when you think of the large scale in manufacturing this is pretty impressive!
@liver.flush.maestroАй бұрын
@@speedkar99 Yes, this is what I was referring to 🙂
@ComplicatedStuffАй бұрын
It is actually quite simple. It is a collection of simple and very well known and proven electronic circuits. What Toyota did very well is to select the right quality components, do the thermals (cooling) well and don’t invent overly complex new stuff for no reason. This is how you make reliable cars, many brands can learn a lot here.
@oscarlmolinaАй бұрын
Very interesting stuff. Thanks for sharing all this knowledge
@speedkar99Ай бұрын
You are welcome
@firstlast---Ай бұрын
Very impressive engineering. You are an excellent teacher
@speedkar99Ай бұрын
I get that alot. All thanks to my teach-brush
@Z7d3nR4Ай бұрын
That is an unbelievable amount of information.
@speedkar99Ай бұрын
Thanks! I tried to compact it to get it all in there!
@setSCEtoAUXАй бұрын
Many (most?) of those bus bars look like copper. I wonder how often that all gets recycled as these cars get sent to salvage. (Also the "I" in "IGBT" is actually for "insulated", sort of a hybrid between normal Bipolar transistors and MOSFETs)
@ralanham76Ай бұрын
I think those are copper they started anodizing them, because they started failing in high humidity areas.
@FASTECAUTOАй бұрын
This is amazing... absolute practical breakdown...very precise... no sec wasted.
@omarkh1747Ай бұрын
Wow, amazing. Great presentation. Thanks for the preparation and the content...
@speedkar99Ай бұрын
You are welcome!
@vincentbarkley9121Ай бұрын
Thank you. Brilliant.
@CedroCronАй бұрын
Thanks, always wanted to take one of these apart.
@oby-1607Ай бұрын
You are a Jedi of knowledge on car operating systems.
@abdoubenali57217 күн бұрын
Toyota really revolutionized car engines with their prius.
@f2k50529 күн бұрын
awesome content brother, EE here, smooth explanations of power electronics there. subbed
@davidmcclare443Ай бұрын
4:12 i thought igbt stood for insulated gate bypolar transistor not intergrated
@speedkar99Ай бұрын
Yes it does you are right
@daviddillon172Ай бұрын
Great explanation of Toyota hybrid control circuit..Thanks..
@speedkar99Ай бұрын
You are welcome
@steventaylor5283Ай бұрын
THANKS FROM AUSTRALIA
@speedkar99Ай бұрын
You are welcome from Canada
@auntbarbara5576Ай бұрын
4:14 My wig flew off! Boom!! 💥 Luv ya Mr Speedcar, you made my night 🤣🤣🤣❤
@speedkar99Ай бұрын
Awesome! Thanks
@CtrlAltFumbleАй бұрын
It's crazy the amount of complexity it adds to the car.
@leexgxАй бұрын
But surprisingly Toyota made it very reliable (even the older cvt was quite reliable)
@WarriorsPhotoАй бұрын
Your humour is great. Not that my grinder is bad. 😂😅😂 If only we had 210 volt extensions. 😂😮😂 Keep these videos coming.
@speedkar99Ай бұрын
Glad you like the video style! Thanks
@WarriorsPhotoАй бұрын
@ You’re welcome! (:
@ChristianDuval-h9rАй бұрын
What a great explanation......
@speedkar99Ай бұрын
Thanks
@HumanShield777Ай бұрын
was there some kind of grounding/discharge procedure you had to do to be able to safely disassemble this?
@speedkar99Ай бұрын
This wasn't very safe at all. RE: the angle grinder 😬
@rafaelcastro721415 күн бұрын
I have Toyota crown limited 2023 hybrids sound good smooth drive I never experienced hybrids that cool
@johnmirajkar25 күн бұрын
Very well explained sir 🙏 keep it up from India
@fernandoanatomiaАй бұрын
Your videos are gold.
@HzroBir26 күн бұрын
Hello, great video, just one question how do you know all of that? You graduated from mechanic college or specific institute? Best wishes
@kasarara743417 күн бұрын
Very excellent and informative video, would you do the same tear down video of the HV battery ?
@Billy-the-Kid28 күн бұрын
Looks very compact and complicated. Lot's of electrics and electronics. Can't do very much yourself if something goes wrong.
@michaelbezoski3096Ай бұрын
Perfect as I have been looking at a 2015 Prius. Has 165.000 miles, Carfax looks good with fluid changes & plugs. Concern is the big boy battery. Need to investigate how to load test the battery to find the remaining capacity. Great video & most appreciated SK99. Like "CC's" comment info.My kind of lingo. Guess I need to check the battery type in the 2015. NiMH or NMC.
@firstlast---Ай бұрын
Battery is likely okay that generation is infamous for blowing head gaskets
@michaelbezos2969Ай бұрын
Gotcha, thanks. You would think at its milage it would of happened already but with my luck...
@thom1218Ай бұрын
Pause the video and check the sticker on the battery - it literally says NiMH on it.
@ralanham76Ай бұрын
For 2015+ they use NIMH almost exclusively except for the all wheel drive version.
@speedkar99Ай бұрын
Glad you like it. Look into the head gasket issues these had
@accidentalengineeringАй бұрын
*Insulated gate 4:15
@speedkar99Ай бұрын
Thanks
@ladalout245Ай бұрын
Your brother's oven is almost as interesting as the Prius internals. Lots of strange dials and controls and a huge cabinet with just 4 electric rings that look like a pea on a barrel. And why do you have 4 pin plugs in Canada? I think we need another teardown and explanation!
@PompiisGarageАй бұрын
1. Phase 1 120V 2. Phase 2 120V (180 degrees out of phase with phase 1 for a total of 240V difference) 3. Neutral 4. Ground
@ladalout245Ай бұрын
@PompiisGarage thanks for the explanation! 👍
@speedkar99Ай бұрын
It's from 1989!
@HiFilover168Ай бұрын
Thank you for the autopsy, if anything wrong with this unit, such as a couple transistors, we have to replace the WHOLE unit. No DIY repair anymore. 😩.
@caty86327 күн бұрын
Much as I don't like the complexity of hybrid cars, I recognize that this is a necessary transition we must go through before full EVs are practical. Here in Africa we used to leapfrog this kind of transitional technologies but it didn't work this time round. People here rely much on used cars from Europe and north America, so we will have to go through the whole cycle as well.
@jay1st1stАй бұрын
Wife has a Toyota Yaris CROSS Hybrid, wonder if it's the same internals ??
@kclefthanded427Ай бұрын
Almost but with a smaller engine
@jay1st1stАй бұрын
@@kclefthanded427 as it' the CROSS i was more thinking of a bigger engine / electric motor
@ralanham76Ай бұрын
@@jay1st1styaris cross has 1.5 the Corolla cross uses a bigger 2 L The 2015 Prius uses a 1.8 L
@firzen0000Ай бұрын
Nice desoldering tool ✂👍
@speedkar99Ай бұрын
Yep I love it too ✂️
@BillGates_AlexАй бұрын
Bro sounds like a genius
@speedkar99Ай бұрын
Nah it's just simple electronics
@goranjurkovic679628 күн бұрын
Just sounds like. Not a real one 😂
@punitpatel7616Ай бұрын
Nailed it ❤
@speedkar99Ай бұрын
Thanks
@RanjitSingh-h8b29 күн бұрын
Good work 👍
@madhusudhanpathak51327 күн бұрын
Session Excellent sir ji
@KPKCCK27 күн бұрын
Good video. Can anyone tell please what is "MG"? Thanks.
@MickeyMishra29 күн бұрын
The cool thing you can do with these is to contact Julian in the UK, use his custom Firmware and see if you can use it do drive subwoofers.
@jacobnathanielzpayag3885Ай бұрын
Toyota nailed the cooling on this thing, maybe a bit overbuilt, but in the end, the better you can cool power electronic components, the more efficient they operate and the longer they will last.
@adey88splaceАй бұрын
Fascinating! Thank you. I'm no fan of electic vehicles though. Also, there is alot of good scrap metal there with the aluminum and copper.
@crisprtalk6963Ай бұрын
My brain was just rectified.
@speedkar99Ай бұрын
Haha I got that pun
@muriuwangai3617Ай бұрын
Nice to meet you again. How's Serow225 doing? I miss this prious content.
@stelmo502Ай бұрын
insulated-gate bipolar transistor
@speedkar99Ай бұрын
Sorry I mispronounced that
@tangoalpha8381Ай бұрын
Great video 👍👍👍🏆🏆🏆
@GeorgePapadopoulos1129 күн бұрын
It is “insulated gate bipolar transistor” IGBT.
@roberts8783Ай бұрын
Wonder if this thing can work as an inverter on a boat for lithium packs. Victron are expensive
@speedkar99Ай бұрын
Some version of it might.
@waldolemmerАй бұрын
8:45 LC circuit, not RC
@speedkar99Ай бұрын
Yes I noticed I said it wrong, you are right.
@kennethcoutinho443929 күн бұрын
Awesome 👌
@Tariqkhan-vu6xg27 күн бұрын
Very impressive .
@bonganihalimani9572Ай бұрын
So my question is, are these vehicles expensive to maintain over time? Maybe you need to do a tear down of the HV battery.
@BStreet666Ай бұрын
As a Gen3 owner, I guess it depends on how long you keep it. Bought mine used about 8 years ago with 30K miles on it and I'm now coming up on 96K miles. The only thing that has been problematic for me are the rear wheel hub/bearings. However, they're not expensive and easy to replace on your own. Outside of regular oil changes, its needed nothing else. The flip side is that this particular generation of Prius are known to have head gasket failures which is not a small fix on any car, let alone on a Prius. If the cooling fan on the HV battery becomes clogged with dust or pet hair, it will cause the battery to fail prematurely and that is a costly item. I believe that it's also true that the HV battery will eventually fail from normal use. If either were to happen to mine, I still think it's worth it to repair them due to how practical the car is.
@bonganihalimani9572Ай бұрын
@BStreet666 sounds great, we import these cars from Japan here in Africa, we normally get the prius c/aqua, it has a 1.5l engine and i think it used the same gen 3 hybrid system!
@rodzvalv_5673Ай бұрын
there are a LOT of gen 1 Prius with over 400k miles on them. these cars are typical Toyotas, built to last.
@bonganihalimani9572Ай бұрын
@@rodzvalv_5673 that's true, but ive seen some videos of the HV batteries having some corrosion on their bus bars and periodic swapping of the battery cells, which in countries without the expertise cause the HV batteries to fail much earlier.
@speedkar99Ай бұрын
If you're early enough to catch it it's something that can be prevented
6:47 I thought the DC-DC converter was on the top of the battery pack!
@welln0w25 күн бұрын
i’m a 2nd year physics student who can’t even grasp the current electronics we are studying (amplifier circuits etc) the complexity of these things is absolute insanity
@micbad4689Ай бұрын
Can you overclock that thing?
@speedkar99Ай бұрын
You'd have to amp up the cooling system first
@goranjurkovic679628 күн бұрын
Power split device is between mg1 ice and wheels. Not between mg1 mg2 and wheels. Mg2 connects in parallel to wheels.
@SUPERMAR1031225 күн бұрын
IGBT stands for *Insulated* gate bipolar transistor
@Blank00Ай бұрын
Hear me out, why don’t manufacturers use the IGBT instead of speakers as their AVAS? The IGBT is the reason why newer subway trains make sounds at low speeds
@ralanham76Ай бұрын
They are expensive. And the hum is for very high voltage is trying to turn a motor.
@speedkar99Ай бұрын
Good point. The heat is another thing
@keithminchin181728 күн бұрын
The sound you hear is the electromagnetic induction created in the motor windings. Engineers are well aware of the need to modulate commutation of the 3-phase windings at around 20-40kHz in general so that the majority of EMI sound is above the frequency range of our hearing. I would expect to see less IGBT’s in future as other switching devices such as GaN FETs (Gallium Nitride) and SiC FET’s offer superior switching speeds, less power losses and reduced size over IGBT’s and MOSFETs.
@dubsydubs5234Ай бұрын
All those parts that can fail and not be fixed, it's a good job EV's are so simple with just a motor and battery.
@ralanham76Ай бұрын
It’s easier to keep non moving parts running, just keep them the right temperature.
@dubsydubs5234Ай бұрын
@@ralanham76 Really, tell all my dead PC's that, a few years at most they last, ICE engines run for decades and decades. Capacitors are known to fail after about 10 years even if not used, ECM's on cars fail all the time far more often than engines.
@sacleocheaterzАй бұрын
EVs are very similar, you'll find an inverter similar to this in every electric vehicle to convert the DC battery charge to AC three phase, alongside DC to DC conversion to charge the 12v aux, plus all of the complicated high power DC charging circuitry. EVs are mechanically simple but electrically complex.
@speedkar99Ай бұрын
Agreed here. EVs have their own complexity
@goranjurkovic679628 күн бұрын
Ev's are the same like this one. Just missing ice and power split device
@harkiawaaz25 күн бұрын
very nice ,kee rolling
@Wtrxprs007ableАй бұрын
So youre saying theres a... FULL BRIDGE RECTIFIER in there?
@speedkar99Ай бұрын
Yes I am
@savathin4563Күн бұрын
The great and The amazing technology of Japan Toyota
@adicahya27 күн бұрын
Im sorry, what is MG1 and MG2?
@tdmap2241Ай бұрын
I like your snipping and desoldering tools. 😂
@pat898821 күн бұрын
How much good does regenerative braking actually do? It seems like the few seconds of charging done during braking couldn’t possibly be worth all the hardware and complexity.
@rchltmediaАй бұрын
that capacitor is criminally gigantic...
@rodzvalv_5673Ай бұрын
you are right. it is huge.
@ralanham76Ай бұрын
It’s actually 3 large caps 1 for each connection and a few smaller ones.
@speedkar99Ай бұрын
It's 3 caps inside, 2 separate ones. Huge because there's a large amount of current running through
@EGK20Ай бұрын
6:10 smoothing capactior..i believe its capacitor😂
@ralanham76Ай бұрын
Mmm smoothie 😂
@speedkar99Ай бұрын
Yes
@Aleks_MechanicsАй бұрын
Hello there!🙌🏼🙌🏼
@speedkar99Ай бұрын
Hi
@LevibetzАй бұрын
At the risk of sounding like a nerd, this shit is so fuckin cool. I wish I could get access to reflash these controllers so I could remap the transmission on my Prius and unlock engine modifications, battery modifications, etc.
@ralanham76Ай бұрын
To do what? It’s already balanced and reliable.
@LevibetzАй бұрын
@@ralanham76 There's lots of interesting performance things a CVT could do, and that the Prius engine can do. Typically it's done in a swap, but you can take a prius engine, get a second intake camshaft and time it as an exhaust cam, retime the intake to advance it and it becomes a high compression, high revving racy engine. So if you could remap you could do this modification, which would cause MG1 to spin faster and generate more voltage, which you can dump into MG2. So you'd have to tweak voltage and current limits, target RPMs etc.
@speedkar99Ай бұрын
Engine modifications? It runs on the Atkinson cycle...which is already economical
@LevibetzАй бұрын
@@speedkar99 Yes but what if I made it... not 🤔 also it does not run Atkinson cycle, it runs 'simulated' atkinson cycle, it's still a very normal 4 stroke engine, but because of the atkinson stuff it can be reconfigured into a high compression cammy engine with relative ease.
@anwin85alon22 күн бұрын
😮原来有了很久了…那我就想过其它的…不要给马来仔知道了…
@GeorgatzisАй бұрын
I have a question. There are a lot of electronics in there. Can these components last for over 30 years? If one of them fails, you will be ...... (like not to say) and must buy a new unit, which is for sure expensive!
@fernandocastillo197210 күн бұрын
Did you know that electronic components in F-16 aircraft use jet fuel as coolant?
Ай бұрын
Insulated. 😊
@jiltedjohn9294Ай бұрын
Amazing technology but if one transistor or chip goes down then would be expensive.
@speedkar99Ай бұрын
Perhaps
@techinventor101Ай бұрын
You mistakenly said RC circuit instead of LC circuit
@ernson202217 күн бұрын
Where to find that desolering cutter 😅😂
@miketdaviesАй бұрын
Glad your daughter's wardrobe is upskilling its EV knowledge! You might need to borrow your wife's curling iron for future desoldering. Great vid!