Authorized Personnel Only - Hydroelectric Power Plant Metering

Рет қаралды 30,576

3 жыл бұрын

Playlist for all my Hydro Dam videos: • Authorized Personnel Only
Need a laugh? My books are even better than my videos! amzn.to/331JrxP
Check out my newest project to help people with autism and anxiety issues! atmosfarvideos.com/
/ @atmosfar2661
If you like what you see and want to help or get more involved, please Consider Supporting the Stream:
Donations: streamlabs.com/Physicsduck
Ko-Fi: ko-fi.com/captainboden
Discord: / discord
My personal Amazon Wishlist: a.co/3iqj3VR
Church of Tesla -
Polyglot Shirts - polyglotshirt.com/
See a tool or something I use and recommend and want one? You can get it in my Amazon Store. www.amazon.com/shop/chrisboden
Disclosure - Some of the above companies are owned by me, and some of the links are affiliate links. By using those links or buying things from them you are directly helping to support my videos and lavish lifestyle. Through your purchasing things at the above links I may engage in wild, hedonistic activities such as "paying rent", "buying groceries", or "driving an automobile". This is my fulltime job, and I thank you dearly for helping make that possible. You rock :)

Пікірлер: 70

@Ki113dbysw0rd Жыл бұрын

i appreciate how you cut immediately after saying it was a pretty good day cause it always turns into a bad day right after those words are spoken

@SeanBZA 3 жыл бұрын

Know of a power plant years ago where they tried to connect on line with the synchroscope 180 degrees out of phase. Loud noise, and the turbine and alternator exited the power hall via the one wall, along with large pieces of turbine blades going in a shower of shrapnel and turbine case pieces through every thing in line with them. Plant was out of commission for around 2 years before they were able to ship in a new generation unit. Another was a stationary diesel, normally started with high pressure compressed air in cylinders next to it. One day cylinders all empty, so bright spark decided to bring in another black painted cylinder of oxygen. Connect up, turn to just past TDC, and open the gas feed, then after BDC turned it off and let it run up and start. Before TDC diesel is injected into the hot gas, and it ignited, compression heating.Unfortunately the cylinder was welding oxygen, so instead of having a nice start, this engine blew up, sending the head, along with the valves, around a half mile away into a field. Cylinder just blew up from overpressure, but not before the piston, connecting rod and part of the crank were punched through the sump and into the concrete floor. Flywheel shattered, and then the cylinder walls ruptured and blew the tin shed apart. Bright spark survived, deaf for a good few weeks, and with a lot of hearing loss, but otherwise he was in a Goldilocks zone, where all the pieces went past him, and not through.

@DocNo27 3 жыл бұрын

Yikes - bright spark and the same angles that watch over drunks looking out for him too!

@kainhall 2 жыл бұрын

i live near fort peck montana dam...... i overheard someone say that when they were not quite synced..... it shook the whole building . they had to shut it down and inspect everything..... but it was still OK

@b43xoit 2 жыл бұрын

Anyone injured in the hydro case?

@stephenalexander6721 2 ай бұрын

I often say about incidents like that, "I'm sure glad I didn't do that."

@danielelise7348 2 жыл бұрын

Mate I have been waiting YEARS for a channel like yours,love it keep up the awesome content. Cheers from Australia.

@Physicsduck 2 жыл бұрын

Thank you! :) I'm sincerely happy you like it! There's a lot more coming!

@tadandkik 3 жыл бұрын

Thank you for making these lovely videos.

@Physicsduck 2 жыл бұрын

Glad you like them!

@TradieTrev 3 жыл бұрын

Medieval electrics right there haha! When was that commissioned? Guess the old analogy is if she aint broke; don't fix her!

@RJ1999x 3 жыл бұрын

🤦‍♂️

@GeofreySanders 2 жыл бұрын

If it ain't broke.... FIX IT 'TIL IT IS

@lineshaftrestorations7903 2 жыл бұрын

Instrumentation that looks as if it was an escapee from a Frankenstein film is still good no matter what an ignorant person might say. As long as the integrity of the insulation is sound there's nothing to be afraid of.

@rasmusandersen2007 Жыл бұрын

0:50 Wow I Didn't think It could have that many names, Here in Denmark we get schooled with U V W or L1, L2, L3 Thanks for letting me know that you heard about abc, and showing me the XYZ... I Actually love the XYZ

@Physicsduck 2 жыл бұрын

Check out my other Hydro Dam videos here: kzfaq.info/sun/PL-3Y2XexL9dRz9zskedt9vejSoNFmAESQ If you like what you see here, I'd appreciate your help to continue making free, educational videos for all: ko-fi.com/captainboden

@allezvenga7617 3 жыл бұрын

Thanks for your sharing

@andyfeimsternfei8408 2 жыл бұрын

I recommend you install current limiting medium voltage fuses as a backup for your vacuum contactor. If one of the vacuum bottles fail, the resulting fault current arc flash will be devastating and possibly deadly.

@joelgoff1111 Ай бұрын

Thanks for the great videos! I'd love to see a shot of the three phase bank up by the ceiling for the powerhouse "station service" power, as well as the outdoor substation. Love seeing the cool old 2400V and 4kV stuff. Outside, is it stepped up to a transmission voltage like 69 or 115kV, or local distribution like 12.5kV?

@Ag89q43G0HyA 2 жыл бұрын

i get so anxious with his fingers flying so close to those raelly high voltage cablesss....

@seamusjohnson2621 3 жыл бұрын

Looks very fun! but VERY scary! I love it!

@isettech 7 ай бұрын

Would have liked to know your metering ratios. Most modern metering regardless of the plant size, tend to scale to 5Amps on the current full scale. EG if the rated maximum is 300 Amps, the current transformer ratio would be 60:1, but printed on the CT at 300:5. Same ratios are applied to the voltage with modern metering most often at 120 volt/208 volt for 3 phase metering. EG a 64,440V substation would use a 64440:208 for phase to phase or 24,860:120V for line to neutral. The transformer ratio would be 208:1.. It would be interesting to know if the antique plants used the same substation metering voltage and currents as modern substations and power houses. Most modern metering use meters that use 120V AC for the nominal value to neutral and 5 Amps full scale. All plant voltages are scaled to these values and the meter faces are scaled to the CT and PT transformer ratios. Same applies to the wattmeters. 120/208 Volt an 5 Amps are the nominal full scale voltage and currents with the display scaled by the CT and PT ratios.

@Physicsduck 6 ай бұрын

I'm going into the details of metering in Season 4 :)

@richardmerriam7044 2 жыл бұрын

The disclaimer was hilarious!! It reminded me of the labels on modern ladders. The lawyers have been properly fed.

@quesocat42069 3 жыл бұрын

Just thought of another question. The wavelength of 60hz is ~3106 miles, in a transmitting antenna system there are nulls on the antenna at various places. Is the same true on the power grid? Meaning are there places where if you tie in you have really poor efficiency or more/less voltage from the standing waves?

@randacnam7321 3 жыл бұрын

Only if the line is a quarter wave radiator, for which it would need to be ~775 miles long. Only time I heard of that happening was with a line in OR/CA where the closed it in and got no pixies out the other end. The line had to be converted to DC.

@eh42 2 жыл бұрын

@@randacnam7321 Manitoba runs a few HVDC lines from our main generators on the Nelson River in Northern Manitoba down to conversion stations near Winnipeg.

@OriginalJetForMe Жыл бұрын

I just found your awesome videos! I would expect the generator voltage to be slightly higher than the grid (in order to push power into it), but I wouldn’t expect the two meters to show such a difference right there at the plant. Is that just error in the meters, or is there a drop between the generator and where you’re measuring the grid? What’s going on there?

@Coaltrain87. 2 жыл бұрын

Your videos are great. You got yourself a new sub

@nickmajdanski 2 жыл бұрын

LOL!!! the disclaimer is hilarious! Good info on the vid.

@grafusmhegau8581 17 күн бұрын

Really cool stuff! Greetings from Germany

@maxclark11 2 жыл бұрын

I like your videos, keep it up.

@Thefreakyfreek 2 жыл бұрын

It may be a small operation but it shows everything you need an not a lot more

@2aisabsoluteTim 11 ай бұрын

18 feet damn that's a lot of head

@cerealchild166 2 жыл бұрын

Can we have a tour of the power plant? And where is it?

@quesocat42069 3 жыл бұрын

More of this kind of content please! So you've got me thinking... the grid is pretty solidly 60hz right? what governs that physically? If everyone is sampling the frequency of the grid at their connection point and trying to match that, rather than trying to match 60hz exactly, surely the frequency would drift up or down. Also, how do you get the generators in phase with the grid? do they naturally kinda follow the grid once connected or do you have to physically change something? Is there some station somewhere that is the master clock for 60hz that everyone matches or is it completely decentralized? so many questions.

@fatman123526 3 жыл бұрын

Come on to Chris' Discord server for the show tonight and ask this question.

@quesocat42069 3 жыл бұрын

@@fatman123526 I'm really not a hanging out on discord watching a very long livestream kind of person these days. I appreciate the offer but "I'll take my answer off the air" if that's possible :)

@fatman123526 3 жыл бұрын

@@quesocat42069 Well it's only an hour :p What governs it is the tons upon tons of rotating metal that is all spinning at the same speed. The grid doesn't stay locked solid at 60Hz, it does wander a little as the load goes up and down and adjustments are made, but it is relatively slight. To put a generator into the grid you use a sync scope to get the generator as close as you can to the grid frequency (newer ones with fancier controls can match it perfectly) and then close in parallel. The generator is forced to sync to all the rotating mass when it comes in. Too far off it trips out or damages it self.

@NickHorvath 3 жыл бұрын

Large scale generation facilities have to make more or less power as demand increases and decreases otherwise they will over or underspeed and throw the frequency out. A small generation site like this doesn't have to worry really because they can just be considered baseline power. This is the major problem that still needs to be solved with large scale solar. You can't turn them off, that power has to be used somewhere. That's why grid scale storage is becoming a big deal to smooth out generation capacity with demand. Wind turbines you can change the blade angle dynamically so they make less power, hydro you can close the gates, or adjust blade angle, fossil fuels you can burn more/less (and lots of steam pressure management stuff), nuclear is slower to adjust but can like fossil, but solar is 100% at the mercy of the sun. It's not cost effective to add solar tracking (which can also point away from the sun to disable panels) to grid scale plants, so storage solutions need to come online as we increase the percentage of our power which is provided by solar.

@randacnam7321 3 жыл бұрын

General practice is to keep the total number of cycles in a given time interval constant (i.e. 5,184,000cy in a 24 hour 86,400 second day on a 60cy/sec system) to prevent drift from electronics or mechanical clocks that use the grid as a frequency reference, which is common even today as time references that are cheap enough to be stuck in COTS electronics will drift too much.

@b43xoit 2 жыл бұрын

The signals for current and voltage have to be brought together for instantaneous calculation of the power. Just working from RMS current and RMS voltage would not necessarily give the right answer, because it does not take power factor into account.

@JackSinger 3 жыл бұрын

Is this the same location where you replaced a fuse a couple of months ago?

@Physicsduck 3 жыл бұрын

Nope, that's a much bigger facility, this is a little tiny one.

@GeofreySanders 2 жыл бұрын

I don't understand how to measure the generator's output when the system is online. The local circuit is tied to the grid so how do we know what it's producing vs. what's coming in from outside?

@Raintiger88 9 ай бұрын

I'm stunned that it's so filthy. Not much chance for PMs, eh?

@9morrical 2 жыл бұрын

The torque calculates out to 21k foot lbs. I don't know if it calculates the same as an engine or not though.

@Electriceye1984bySam Ай бұрын

Broh I watch all your videos❤🥂

@jijzer3284 Жыл бұрын

this is better than modern plants this can handle a surge and it wil stil continue if nothing happens

@fatman123526 3 жыл бұрын

A wee baby generator. I was wondering why the bus and conductor was so small :p

@Physicsduck 5 ай бұрын

This one gets all the way up to 500kW. Which is almost enough to power an exciter in your world.

@ig_foobar 2 жыл бұрын

How can a 200 RPM turbine produce 60 Hz? Doesn't the RPM need to be divisible by 60?

@donparker8246 3 жыл бұрын

I would love to be able to read the disclaimer all the way through

@Physicsduck 2 жыл бұрын

Press the spacebar ;)

@SOU6900 2 жыл бұрын

I don't know why, but I find it interesting that you guys generate less KWs than the HEP generator on an Amtrak locomotive that provides 3 phase 480V power to the cars. Unless you can get away with less KW because you produce power at a higher voltage. Also I'm well aware that that's probably an apples to oranges comparison of electrical generation.

@wickett7078 Жыл бұрын

No, they for real generate less power. But it is cheaper to generate the power that they produced.

@alouisschafer7212 Жыл бұрын

Well the power an old hydroelectric plant makes is literally free except for maintenance and upkeep of the plant. So it doesn't matter that they don't make much power in a relative sense.

@sonus289 2 жыл бұрын

Ah hall effect transformers? Or would those be current transformers?

@christopherleubner6633 Жыл бұрын

Nope just good old fashioned core'n coil transformers 🤓

@ocsrc 2 жыл бұрын

Knowing how dangerous this is makes my stomach sick

@kipgies 2 жыл бұрын

I am so stealing....er.......borrowing parts of the disclaimer.....

@SamSitar 3 жыл бұрын

why do you need to synchronize to the grid?

@NickHorvath 3 жыл бұрын

If you don't, the grid power forces your equipment into sync very quickly, and if you're too far off, very violently, likely destroying your equipment.

@RJ1999x 3 жыл бұрын

View the grid as a wave when you sync you match the peaks and valleys (wave)

@HenryLoenwind 2 жыл бұрын

Same reason you have to synchronise the speed of a car and a train before jumping from the car onto the train. Or with the ground if you just want to get out. The sine waves on the wires of 3-phase power directly match the position of the rotor in a generator (or 3-phase motor, they are the same). So if you take a snapshot of the voltages and apply them to a generator, you will see that the rotor moves to that exact position. Same happens when attaching it to the grid, only difference there is that it also starts rotating. So the moment you connect it, there is only exactly one correct position that rotor can have---and the complete power of the grid will force it into that position, no matter where it was previously. And just like stepping out of a car at 200 mph, that will end up badly for the generator if the rotor is forced up to speed and into a completely different position instantly.