Intentionally induced electric arcing between the pantograph and the overhead catenary. An old 480p footage, shot some 11 years ago. Subscribe to stay tuned for new rail videos: / @tc-rail
Пікірлер: 421
@ru_tej3 жыл бұрын
Video shoter than a minute is legendary😎
@BTB7963 жыл бұрын
Shorter*
@Bacon47SuperSakura3 жыл бұрын
Ummmm
@akshayakumars28143 жыл бұрын
Shorter **
@voxtur__73 жыл бұрын
Everyone is correcting your misspelling but no one is pointing out the lack of an indefinite article before the word "video".
@shortliner686 жыл бұрын
I saw this arcing happen on an old Metroliner train on the NEC back in the 1970s. One of the car's motors was overheating. The train stopped near where I was standing and the crew had to cut that car off from the overhead power source. The arc was greenish in color and extended down until the pantograph was nearly in the lowest position, and that was only an 11kV line.
@user-ne3rb8ps8j5 жыл бұрын
seems like copper was burning according to flame color.
@knottybank Жыл бұрын
@@user-ne3rb8ps8j Пламя - это образование плазмы в ходе реакции окисления. А это разрыв высоковольтной цепи по воздуху. Вы можете сказать о зеленом цвете дуги, но не о пламени!
@nolantherailfan504822 күн бұрын
Those cars were horribly unreliable so this wasn't really surprising
@paulg.30674 жыл бұрын
That reminds me on an event which I witnessed here in germany. I lived near a small, roofed railway station with power lines. In a cold and moist winter day with drizzling a steam locomotive stopped at that station and a huge amount of black steam were caught between the roof and the powerlines and the whole station filled by that locomotive steam seemed to electrically flash/twinkle/spark obviously by the frequency of the power lines. That was an amazing view and I really asked myself if one would feel anything of that air-filled electricity if standing right in that steam...
@buddyclem73283 жыл бұрын
Hot air is also more conductive, and that's why the arc of a Jacob's Ladder goes up, until the arc is extinguished, then it starts from the bottom again.
@paulg.30673 жыл бұрын
@@buddyclem7328 I also think the black steam by the locomotive is very conductive because it obviously contains a heck of unburned carbon particles that together with high humidity seems to be very conductive.
@buddyclem73283 жыл бұрын
@@paulg.3067 That would definitely be true!
@a647382 жыл бұрын
@@buddyclem7328 It is not hot air but plasma, not the same...
@DB-474 жыл бұрын
I did a small analyse of what is happening there: Locomotives excluding from clip number 3 are export version of Škoda AC locomotives derived from Czech class 242. What probably happened in following clips is that driver intentionally put traciton in 5th degree out of 32th, which at standstill gives about 2x 1.1 kA @ 100 V per motor. This means about 450 kW (4 * 1100 * 100) drawing from 25 kV AC network. If power factor is assumed to be perfect (value 1), this means arc has current about 18 A @ 25 kV . When pantograph was lowered and arc died off, loud bang can be heard. This is probably undervoltage protection acting. If there is less than 19 kV in overhead line (25 kV locomotive, DC ones have this threshold at 2000 V) and traction is on this protection kicks in. Master switch is switched off automatically. For me is however mystery why this protection did not apply in last videoclip.
@thestudentofficial54833 жыл бұрын
Dude, are you train engineer or smth? I'm seriously impressed by your knowledge on electric train.
@DB-473 жыл бұрын
The Student Official I am actually studying IT and I do not drive trains in real life. Electricity and electric trains are "only" my free time hobby :)
@PowerTrain6113 жыл бұрын
Brilliant analysis. My only thought on the low voltage protection in the last clip is that it may be an entirely different class of locomotive operating on a different voltage system? It's too dark to tell, but that's the best conclusion I can come to.
@sanderdeboer19813 жыл бұрын
Aaaaalllrighty then
@f800gt763 жыл бұрын
I believed that driver should first switch off main switch and then lower the pantograph. The last video lookss like an insulator between sections
@rob31256 жыл бұрын
Love the sound of 50 Hz high voltage arc
@Lukas-gp5rv5 жыл бұрын
Not 50hz
@janpf06244 жыл бұрын
~25kV 50Hz. Period. Bulgarian lines are electrified with. These locos shown in video are Škoda made locomotives, first derived of ČSD class 242, second ČSD class 210, both one current system, AC 25kV 50Hz locos. Here You are.
@Lukas-gp5rv4 жыл бұрын
@@janpf0624 really I thought 16 1/3 hz. But thanks
@fvckyoutubescensorshipandt27184 жыл бұрын
@@Lukas-gp5rv I don't think 16Hz is still in use anywhere anymore. With the frequency that low the magnetics (chokes, transformers, motors, etc) are 3x bigger than 50Hz for a given horsepower, less efficient since weight is a bad thing when you are constantly carrying it with you. Only reason it was used in the first place was to extend the life of motor bearings and such (1/3 50Hz speed) given the materials and alloys of the time.
@Isochest4 жыл бұрын
@@fvckyoutubescensorshipandt2718 It is in Germany Austria Switzerland Norway and Sweden. Other countries have had systems in the past. But as you say 25kv AC at mains frequency 50/60Hz is the preferred standard. Ethiopia and Tanzania for example with their new Standard Gauge systems are using this for power supply
@xaiano7945 жыл бұрын
1) These are damn loud IRL and 2) You are allowed to lower the pan while moving in order to clear debris on the overheads, I wonder what that would look like
@PowerTrain6113 жыл бұрын
kzfaq.info/get/bejne/kNeWgdef25rdgZc.html Maybe something like this, but with more zapping!
@naseemanaseema46933 жыл бұрын
😗😊😗🥶🥶
@naseemanaseema46933 жыл бұрын
✋🖐💚💯
@PowerTrain6113 жыл бұрын
^^ When you don't understand the language a comment is written in but you want to reply ^^
@Dutch3DMaster2 жыл бұрын
Probably sort of the same. I'm not sure why these arc as much as they do because it probably means there are circuits drawing power through the pantograph. When driving it's common practice to switch off traction, lower the pantograph and after raising it and getting a stable voltage re-applying traction. Trying that thing with traction might result in an arc, but as the vehicle is moving it might be difficult for the arc to sustain itself and get quenched rather quickly.
@soundseeker636 жыл бұрын
Lower the pan while the loco is still running.... that will make your passengers waiting on the platform shit themselves lol
@Lightning_Mike6 жыл бұрын
And give the line crew a big ol' headache. You can melt and break the wire by doing that.
@amaanmeer63986 жыл бұрын
stunner men
@TheR.I.D4 жыл бұрын
No need to do that when you can just run a 3rd rail train in the snow. They always end up sparking
@LubckeEnjoyer4 жыл бұрын
@@Lightning_MikeNo it wont melt or just break like that. If you lower the pan while it's running it will create a big arc liek a 25kv arc that is very loud, It wont damage the wire. It will only make a small burn mark on the pan and wire
@Lightning_Mike4 жыл бұрын
@@LubckeEnjoyer Depends how long you keep it. Short durations can still damage it
@FesixGermany3 жыл бұрын
Interesting to hear the 50Hz humm because here in Germany the overhead lines have 16.7Hz
@meongmeong35992 жыл бұрын
I wonder how 16⅔ humming sounds like🤔
@wannawan8431 Жыл бұрын
16.7hz?? that's is too low,it will short circuit any inductor instruments,for what purpose 16 hz
@Genius_at_Work Жыл бұрын
@@wannawan8431 To avoid Arcing on the Brushes of Series Motors, thus reducing Wear. Higher Frequencies cause more Arcing, and all early AC Systems use low Frequencies for that Reason. Germany, Switzerland, Austria, Sweden and Norway agreed to standardise on 16 2/3 Hz some 100 odd Years ago. Using precisely 16 2/3 Hz instead of e.g. 15 Hz (very early Systems in Germany) or 25 Hz (Northeast Corrdior in America) may seem a bit weird, but the Reason for that odd Number is that it helps to power the Rail System from the Main Grid, as it's 1/3 of 50 Hz. You can just use Rotary Converters with thrice as many Fields on the Mains Side (Motor) as on the Rail Side (Generator). If you're not familiar: A Rotary Converter is just a Generator driven by a Motor, used to generate AC from DC or vice versa, or to change AC Frequency as in our Example. Later AC Rail Systems use 25 kV 50 Hz, as you don't need the Frequency Equipment, the Iron Core of Transformers can be just 1/3 the Size as of 16 2/3 Hz Transformers, and the higher Voltage (16 2/3 Hz is 15 kV) needs less Copper and less Substations.
@CFRTrainSpotter9 ай бұрын
its worth mentioning that 25 kV AC electrification at 50 Hz started to be introduced en masse in the mid 1950s in France, whereas the 15 kV AC at 16,7 Hz network in Germany, Austria, Switzerland, Norway and Sweden was introduced way before that...
@chrishulse53056 жыл бұрын
Here in the UK, a VCB (vacuum circuit breaker) normally opens before the pan drops to stop this happening.
@pavelolkhovoy1136 жыл бұрын
In Russia, too
@lavishravan6 жыл бұрын
Same over here
@ajaymandal83145 жыл бұрын
This loco pilot forgot to disconnect and after that Pantograph should be lowered
@accatenary4 жыл бұрын
In India too, we do same. :)
@DB-474 жыл бұрын
Even if you forget to switch off master circuit breaker, arc should be minimal if you cut power to motors and auxiliary equipment (coolers, compressors, train heating, etc.)
@RuiPlaneSpotter3 жыл бұрын
Fantastic video
@angelagherghita45663 ай бұрын
This is extremly Electrical Satisfying
@andreic216 жыл бұрын
Looks like 25-27kV overhead voltage and 50Hz, as it is in my country. 15-16kV usually produce less arching. Higher voltage means more power available and less distance loss, power substations cand be further apart, amps are fixed by line cable gauge cannot be increased unless thicker cable.
@klimentpetrov87896 жыл бұрын
Andrei Cioaca This is Bulgaria Bulgarian state railays Loco series 43 00 44 00 61 00
@qwerty-wz1yk5 жыл бұрын
În sfârșit ai renunțat la Forumul Prostovanilor.
@kushagrasrivastava10914 жыл бұрын
0:33 aag laga ke gaya 😂
@theartkid72263 жыл бұрын
Translation: The train left the fire behind! (or) The train ignited fire on that thing!
@theartkid72262 жыл бұрын
@GOOD^_^ Omg rip english 😭😭😭😭😭
@Aj_18____3 жыл бұрын
people in the comment section are making fun of a person get electrocuted due to high voltage. this video should be demonitised!!
@maheshravela75 жыл бұрын
OMG !!! I have never seen these types of electric arcs before Thanks gor sharing with us
@trenthighvoltage Жыл бұрын
types of electric arcs? it's just arcs, it's all the same, just different voltage, current, frequency, etc.
@douro206 ай бұрын
There is a video of a Stadler electric locomotive struggling to move in a snowstorm, with tremendous arcing against the catenary.
@samschannel5316 жыл бұрын
What is the point of that device on the line at 0:27?
@weeardguy6 жыл бұрын
That's a Line-Insulator (allthough I have to admit that is a literal translation from the Dutch 'LeidingOnderbreker') It is used at points where two different sections of overhead wiring meet eachother. One of both ends can be grounded or even be at a different potential and to be able to have a loco drive underneath them without causing a short, this insulator is there. Most of the time it features a gap between both wires with thick metal strips shaped in a V. An arc that starts will automatically want to go up because heated air is ionised easier. Once the arc climbs to a certain point, voltage is most likely insufficient to get the arc going and it quenches. There is a video from the Netherlands where they tested this and drove under different situations (25 kv - 1500 V / 1500 V - zero) with a test-loco to see what would happen. kzfaq.info/get/bejne/bJ6qotabm72cp6c.html
@lifethrownoutofthewindow6 жыл бұрын
I want to eat that arc wtf is wrong with me :_(
@DiggerEvans6 жыл бұрын
it will be very tasty
@VladimirUnique16 жыл бұрын
Most likely lack of electrons in your organism.
@yakananaji68076 жыл бұрын
pothav ra
@LuciferMorningstar-ix3lb5 жыл бұрын
You'll turn into flash like Barry
@jamesbondeson6695 жыл бұрын
It will be an electrifying experience. You will really get a charge out of it.
@Trifu226 жыл бұрын
they usually and intentionally do not disconect the main circuit breaker?
@weeardguy6 жыл бұрын
Normally, a pantograph should not be lowered under load. Try to look at it like you are powering a few washing machines or tumble dryers and you suddenly flip the switch while every machine is drawing as much current as possible. It will arc, but because the voltage is low, it won't be such a bad arc. In this case, their is clearly quite a load present, while normally trainheating, lights, airconditioning and such is powered down before lowering the pantograph, leaving lights to the batteries and heating/ventilation off, until the pantograph is raised again.
@christian40126 жыл бұрын
In most countries, the main circuit breaker will switch off automatically, when the pantograph is starting to lower. So it is normally not possible, to get an arc flash by lowering the pantograph.
@BigHeadko6 жыл бұрын
Not really, it is common practice for example on 3kV DC line to lower the pantograph without opening the circuit braker. But the loco must draw minimal current before this (no traction current, passenger coaches powered off etc.). There are many places, where you have to lower the pantograph, so this extends lifespan of circuit breaked and reduces time of this operation. And modern machines with automatic circuit breaker switch off have problems on this kind of infrastructure cause it takes a loads of time (about 2 minutes) to accelerate after this. Also main circuit breaker lifespan is affected. But in this particular case, it is on 25kV AC power line, and there you really must open main circuit breaker before lowering pantograph because of the magnetization current of the transformer.
@accatenary4 жыл бұрын
Standard procedure in my country India is to open circuit breaker, then lower the panto. Earlier we had 1500 and 3000 V DC systems but now we use 25 KV AC 50 Hz.
@deeptotop4 жыл бұрын
@@accatenary DJ open Disc joint
@purnimachaudhari4 жыл бұрын
While lowering pantograph, it is essential to shut down main power transformer first. There will be no arc. Master trip & isolator breaker is provided for that. If procedure is not followed such accident may happen.
@accatenary4 жыл бұрын
Although what you said it true to some extend, but still sometimes there is a arcing sound even when pantograph is raised and lowered and circuit breaker is closed. I saw one such video of WAG7 bankers at Lonavala station. :)
@LinesideSouthEast3 жыл бұрын
That looks crazy! Great video though.
@melgatronic6 жыл бұрын
They are all in AC mode except the last, looks a DC mode, true?
@DB-474 жыл бұрын
Even the last locomotive is powered by 25 kV 50 Hz network
@MonsterGamIng-uj7iz3 жыл бұрын
Nice edit
@Bandicoot8034 ай бұрын
It's amazing what kind of abuse these pantographs were designed to withstand throughout their service life. Quite shocking, isn't it?
@RomanZerstoren6 жыл бұрын
What is the not-to-do thing? Lowering pantograph or video shooting?
@KC9UDX6 жыл бұрын
Commenting
@thiswan16 жыл бұрын
Thought they would have isolated the load before lowering ,unless they like arching!
@KandiKlover6 жыл бұрын
KC9UDX CQ CQ 74s and all that shit
@5Dale656 жыл бұрын
Of course they wanted it, that's why they recorded that. Everybody like arcing! :)
@jkeelsnc2 жыл бұрын
Love it. This is so cool.
@ianboard544 Жыл бұрын
Those are surprisingly long arcs - the voltage is usually about 15kV. Interesting.
@IsaacPresents3 жыл бұрын
May a use this as a sound fx in my vfx video?
@railbuddy83722 жыл бұрын
great capture
@pnkarunakaran2 жыл бұрын
When we provide AT Supply for Signal side at Rly. Stations, should we provide MCB also! Please make me clear
@breezetix4 жыл бұрын
I love huge arcs
@williamradford88176 ай бұрын
About 1,500 volts AC, electrical discharges between the cable and the pantograph
@alouisschafer72122 жыл бұрын
Trainsurfers: Lets pretend the wire doesn't carry HV :)
@dzonitni_18733 жыл бұрын
in serbia voltage for trains is 25,000 volts
@tractorsmachinesro14054 жыл бұрын
Great & epic video as always...I like IT!!! Big like from Romania
@Hot_guy2676 жыл бұрын
In India, we have 25KV 60Hz overhead power. But I never saw arcing like this during pantograph lowering though sparks are common while the train runs.
@weeardguy6 жыл бұрын
It's because it's not the right thing to do. Normally, train-heating/airconditioning, lights and so on is powered down first before the pantograph is lowered. This is either done on purpose or the author knows that some drivers/shunters have a rather spectacular style of lowering the pantograph. As these arcs are very hot, it damages both the wires and pantograph.
@abdulwaheedsayed52466 жыл бұрын
25 KV *50Hz pantographs are never raised, or lowered in load condition. CB has to be opened before that.
@anandakrishnan94626 жыл бұрын
It is clear that the pantograph is pulled down when the Traction Motor cooling blower is running Causing huge plasma arcing.. Because of there is lack arc chute/extinguisher mechanism in pantograph catenary system ,it must be lowered and raised in no load condition...
@trenthighvoltage Жыл бұрын
@@abdulwaheedsayed5246 you do realize 60Hz exists right? 60Hz in US, 50Hz in UK, idk about india. Heck there's 400Hz on aircraft, 25Hz somewhere I heard for some of the trains.
@anunggaming3 жыл бұрын
Amazing capture! nice compilation, like :)
@samrpitindianclassicalmusi27833 жыл бұрын
Amazing
@me262omlett Жыл бұрын
What trains are those?
@bardrick42204 жыл бұрын
Holly shit! IDK they ran these at such high voltage! It seems dangerous!
@UltimateAlgorithm3 жыл бұрын
It's for efficiency.
@Skoda1306 жыл бұрын
First shut of the locomotive before lowering the pantograph.
@bordjukov3 жыл бұрын
@TC Rail, you mention this is intentionally induced. If so, what is the intention here?
@user_02223 жыл бұрын
The sound fells good😁😁
@souvikroy28362 жыл бұрын
Legendary shot 😈👿
@arifakyuz76735 жыл бұрын
ASMR tier quality
@RAILTravelers5 жыл бұрын
Wow excellent video
@luizpereirasmodels3 жыл бұрын
0:23 what the heck happend to the camera and the pantograph?
@gachimuchienjoyer2 ай бұрын
And that's why you should always switch circuit breaker off before lowering the pantograph
@xyro43163 жыл бұрын
This is what every electric lighter wants to be
@charliepearce8767 Жыл бұрын
Is this a normal thing that occasionally happens ?
@luisantoniomarrega11205 жыл бұрын
O arco eletrico são fantásticos e mortais.
@TreniMisterJazz.6 жыл бұрын
Un gra bel video complimenti....
@SouravBagchigoogleplus6 жыл бұрын
In India, the loco pilot always first disconnect the circuit breaker and then lower the pantograph. But every engine has two pantographs. In this video, driver is just lowering one pantograph.
@mathiastwp6 жыл бұрын
Its not normal to use both, and there are two for drag related reasons.
@Kromaatikse6 жыл бұрын
On DC electrified lines, it is common to raise both pantographs if fitted, to reduce line contact resistance. There are no phase changes at neutral sections to worry about in that case. DC is typically at 700-3000V depending on the line, so the insulators are quite small. On AC electrified lines, raising both pantographs simultaneously is a Big No, because the two will straddle any neutral section and form a short-circuit between the two power phases supplying different sections of the route. Normally the one further from the leading cab is raised, and the other lowered. AC is typically at 12-25kV, so the insulators are relatively large. An arc-quenching circuit breaker is normally fitted in line with the pantograph, and is automatically opened before the pantograph lowers. Bulgaria is one of several countries using 25kV 50Hz AC. Finland and the UK also use that standard; some British electric locos (ex Class 87) now run in Bulgaria.
@eMMjunaYschion5 жыл бұрын
In India, in India, in India. The world doesn't turn around fucking India.
@sitesh16135 жыл бұрын
Sourav nicely said
@andrerrie5 жыл бұрын
That's basically a normal procedure, dont understand why these guys like to play batman
@brunnelio3 жыл бұрын
Para que serve isso ?
@odpadALEXIK4 жыл бұрын
BDZ CLASS 44 And CLASS 242 my favorite Train Made in my country
@DTD1108656 жыл бұрын
So, how is this prevented from happening when the New Haven Line transfers from the catenary to the third rail and vice versa?
@jedrobertson32066 жыл бұрын
Vacuum switch (where arcing is far less likely to occur) in the train shuts off the catenary before it's lowered so there's no chance for an arc to form. At least that's what is used on some trains.
@SubaruB4RSK6 жыл бұрын
Jed Robertson I’ve seen in the Stamford yard about 6 years ago someone raised the pano and it arched as it bounced to make contact
@marryellen77136 жыл бұрын
They cut running power and the pan is made to drop fast. Another way is making contact with the other source of power before you lose the first.
@samanli-tw3id6 жыл бұрын
What's that sound at 0.09, it sounds like a bicycle pump.
@TechTed1 Жыл бұрын
they are special wires like silver layer wire to srand up to the harcing
@TreniMisterJazz.5 жыл бұрын
Fantastico!! 😊😊😊
@samuellourenco10508 ай бұрын
I think that the clearance between the wires or between the wire ant the pantograph is not enough.
@markkneafsey94475 жыл бұрын
Are you ready? Here we go, one two three, buzzzzzzz, bang! Oh dear, I just blew a big hole in that one.
@sitesh16135 жыл бұрын
Who is the owner of these channel please tell me???
@TechTed1 Жыл бұрын
you cam use rheostats to reduce the arcing
@ebrocoliphoto3 жыл бұрын
electrical engineering and railfan, its me
@aaronberns84852 жыл бұрын
When you hear 50hz, you know it's not located in the united states.
@yousgv89154 жыл бұрын
Wow
@user-ow9dg2xj7y2 жыл бұрын
Almost at 100k subs 😎
@th0mas_cz Жыл бұрын
From which railway is this? I think czech railways
@CFRTrainSpotter9 ай бұрын
Bulgarian Railways, BDZ
@nirbhaygaikwad66156 жыл бұрын
It called arc! When execive current in line system then its produce
@dodissss3 жыл бұрын
Is that from Czechia and Slovakia?
@Kilobereta895 ай бұрын
Bulgaria
@Techno-Universal4 жыл бұрын
Trains in Melbourne only run on 1600V DC however those trains are probably running on something like 25KV to get arcs like that! :)
@trenthighvoltage Жыл бұрын
You can still draw arcs with like 1000V AC (even DC), heck even 500V. Or 240V. Or 120V. Even a several volts creates an arc, it just makes that little spark, it's pretty much a VERY tiny arc, and does it pretty much instantly.
@Techno-Universal Жыл бұрын
@@trenthighvoltage Pretty much here you mainly get smaller/shorter but very powerful arcs because of the high amount of current our trains and trams draw when accelerating! :)
@trenthighvoltage Жыл бұрын
@@Techno-Universal Yeah because lower voltage and higher current, while this is higher voltage lower current, usually.
@Glockengiesser_Nbg6 жыл бұрын
That's a 50Hz railroad voltage. In Germany we have 16.7Hz at 15kV.
@brentboswell12946 жыл бұрын
Glockengießer does the lower frequency help prevent arcing?
@Glockengiesser_Nbg6 жыл бұрын
+Brent Boswell - The lower frequency is technical based at the power station generators, because there is a special circuit of the coils, which make it possible to get 50Hz for the normal electric network and 16.667Hz for the railroad. I think, it is the voltage because in Germany we have a 15kV railroad net. Other railroads use 20kV or 26kV with 50/60Hz. Higher voltage is more able to make an lightning arc.
@Engineer97366 жыл бұрын
I heard from another KZfaq video many years ago that they use that frequency because old DC train motors can run on that with not too much problems.
@TC-Rail6 жыл бұрын
Yes, that is the real reason. At low frequency, the DC motors can run on AC and there is no need of onboard rectifier, which was a problem at the time when the railroad electrification in Germany occured. At 15 kV you have the benefits of higher voltage without rectifiers but you have to use havier transformers. The arc also have less stability at low frequency and voltage. The 16 2/3 Hz is exact 1/3 of 50 Hz which makes converting possible with one common converter or motor and generator on one common shaft. With removal of all the rotary converters, some countries changed to 16.7 Hz. Most of the other countries with early electrification decided to use DC with stationary rectifiers or AC-DC rotary converters.
@DTD1108656 жыл бұрын
Perhaps you and other people have answered my question above. The Metro-North New Haven Line is actually 12.5 kV north of Mount Vernon, NY.
@prashantbhoslep66226 жыл бұрын
What happened when the train touch to wire
@mrsrkentertainment34325 жыл бұрын
Thanks
@matteoruck6 жыл бұрын
Wow 😊😊 Nice video!
@letsgorandom1380 Жыл бұрын
Normally this is not possible, because you should not be able to lower the panthograph as long as the train drives has not cut the power internally. If this is impossible due to a technical issue, the best solution is to cut the power to the catenary before lowering the pantograph. However many train drivers and maintenance technicians don't do this and this causes damage to the catenary. I suppose (I hope) these are just tests.
@Isochest5 жыл бұрын
Was this in Bulgaria?
@SideHustleInspiration3 жыл бұрын
Dat's alotta JUICE!
@robertwa19753 жыл бұрын
0:27 sounds like the tap changer of a German DB Class E41 or 141
@olivierluminais3 жыл бұрын
truc marrant j'ai actuellement un orage dans ma régions, et KZfaq me propose cela, étonnant !!!!
@ER2T-7212 Жыл бұрын
this is because the load must be turned off first
@luisantoniomarrega11205 жыл бұрын
Os arcos voutaicos são sempre fantástico. Abraço
@chrish33295 жыл бұрын
is it just me that finds this funny?
@user-yr3er9ge2e4 жыл бұрын
spark?
@trainspotting_and_tech20234 жыл бұрын
True electric power!💪 😂
@highlightsportal89075 жыл бұрын
Is it Plasma??????
@glennleonard33624 жыл бұрын
Love Jacobs Ladder...mystifying...
@tamaszahorecz31777 ай бұрын
jó el szórakoznak terhelés alatti kapcsolással
@TVBlindBonsai4 жыл бұрын
The Showdown
@user-ns9fi8qe9i6 жыл бұрын
Зпочатку треба вимкнути ГВ, а потім опускати пантограф. Very stupid
@nome76882 жыл бұрын
The air has become so ionised that plasma could easily flow through it
@arnabkumardey66044 жыл бұрын
0:12 This is the DC TRACTION
@FDXr4 жыл бұрын
AC 25kV/50Hz
@jeanpierreragequit17264 жыл бұрын
1500 V ?
@buddyclem73283 жыл бұрын
Probably 25000V.
@lampardy8885 жыл бұрын
Wow, I haven't seen such arcing here in India when the panto goes down on a loco, the trains run on 25 KV, why is that
@Genius_at_Work Жыл бұрын
Because they don't lower the Pantographs under Load but disconnect the Main Breaker inside the Locomotive first. Pantographs can't deflect the Arc safely, thus it's bad Workmanship to lower them under Load.
@251Aloha6 жыл бұрын
WOW!
@syhooverman54184 жыл бұрын
Electric circuits of whatever voltage MUST be broken quickly especially under overload or fault conditions, otherwise they will arc and probably destroy the switchgear in the process.