220kV - 110kV transformers 50Hz.

[michaelzobl123]

@RODALCO2007 With 3 x 66,6 MVA there is a total power of 199.8 MVA, and the transformers are wired in parallel on the secondary part? And the switch group is Dy11, Dd0, Yy0 or others?

[MrRudolf32]

i love this sound!

[maperke88]

i don't think i know about this type of cooling, (ON/OB) mostly familiar with ONAN and ODAF... and did anyone catch the vector type? they didn't show enough of the Rating and Diagram plate

[tall32guy]

So remind me again how someone can be standing in the middle of the substation, grounded (on the ground) but not have arcs flying everywhere to them and them getting electrocuted? I've never understood that.

[RODALCO2007]

@tall32guy As long you maintain your minimum approach distance ( MAD ) for the voltage in use.

For example 33kV 60 cm, 110kV 1.5 meters.

This applies to trained and qualified service personnel.

For the public it is over 4 meters.

[FoxvoxDK]

@RODALCO2007 Is there a formula for those distances?

[mpowellmpowellmpowel]

Cool, Love the Hum it makes.

[dwarfer777]

correct... 100Hz there old buddy

[efhc12]

I prefer the 60Hz hum. hahaha

I live in México.

Good video.

Greetings

[c0rrupts3ct0r555]

thats a substation? im suprised they let you in there with all that dangerous voltage. I know one wrong move and ur toast. no pun intended. cool video and cool hum

[cortexedge]

@c0rrupts3ct0r555 what if he works there? :)

[ryan29073]

Due to the whole X square calculus thing, the noise you here is actually 100 hz not 50. that's probably why the difference between 50 and 60 hz seems so great.

[RODALCO2007]

@ryan29073 You are wrong there. 50 or 60 Hertz power or audio is a full cycle e.g. a positive and negative part of the sine wave.

Same as with audio frequencies in the higher ranges.

You confuse it with ripple through a full wave bridge rectifier, The 50Hz ripple becomes 100Hz for the filter circuit.

[ryan29073]

@RODALCO2007 Thanks. I stand corrected :)

[voltare2amstereo]

@ryan29073 because its 3 phase that means 3x50hz audioble waveforms. wouldn't it be a 150hz sinewave instead, or am i confused

[ryan29073]

Does Europe use 240vac or 220 in their homes?

[RODALCO2007]

@ryan29073 It used to be 220 Volts but was increased to 230 Volts in the 90's to standardize the European voltages.

In many parts of Eastern Europe, France and Italy the voltage is still 220 Volts as far as I'm aware.

[pxidr]

@RODALCO2007

In France, approximately since 1985, we use 230V (and 50Hz of course), like most european countries.

[Mulletsrokkify]

@RODALCO2007 The UK voltage didn't actually change from 240v to 230v. They just changed the spec. to 230v +10% -6%! Us crazy Brits eh!

[frosty956]

@RODALCO2007 ha, thats like in australia, it was officially 240, but changed to 230 +5 -10% I think, to match the UK. the voltage seems to nominally be 240 though anyway.

[ryan29073]

When I was in Italy they use 50 hz. The driers in the bathroom didn't put out the same airflow as 60hz U.S. ones. It sounded like they were in a constant "brown out" Cool sound though. I am so used to everthing in the U.S. "radiating" 60 cycle noise that everything in europe sounded wierd :)

[RODALCO2007]

@ryan29073 It is true that you get used to the frequency of the country where you live in.

I find the 60 Hz very different when listening to it in the United States or on YouTube.

[tolisdrums]

man these things are loud...another amount of energy lost through the sound...guess that these sounds are generated because of the oscillating current, right?

[yun342]

Way cool. I love it

[Pablofunk017]

I like this sound too electric 50 HZ

thanks for uploading

[DragonFlyback256]

Think i've found your workplace in Wikimapia.

/#lat=-36.9053021&lon=174.8173­016&z=19&l=21&m=s

Everything matches.

[DragonFlyback256]

Also, strange to see 1 phase high in 3 phase low out (if step-down) on these. Am I seeing it right?

[RODALCO2007]

Single phase in and out, 3 phase is tertiary balancing winding I think.

[DragonFlyback256]

Rare to see single phase trannies (on each phases) below about 500kV. Usually there used to be 3 phase ones up to that voltage range, above which they switch to split transformers.

Love the hum.

[RODALCO2007]

Cheaper to keep spares this way.

One 1 phase TX can be as spare for multiple banks.

System can also be used as open delta at reduced capacity in an emergency.

[vwest7ife]

50 Hz hum sounds strange to my American ears... but it would be even more strange to hear the few places that are still generating 25 Hz power!

[RODALCO2007]

Like wise, I'm used to 50 Hz and find the 60 Hz sound strange.

Actually I would love to hear the 25 or 16 2/3 Hz frequencies which are in use with some of the railways.

[BarneySaysHi]

I wonder how much the corona losses are on those noisy insulators. And that 50 Hz noise is LOUD!

[RODALCO2007]

It's quite normal to have this noise on insulators on damp mornings. That was at about 0700 hrs A.M.

[daewooparts]

l.o.l. if only there was a way to fry batteries with that juice ! :P

[RODALCO2007]

They wouldn't stand a chance, nor does my battery testrig.

[daewooparts]

the batteries &test rig would be "VAPORIZED" with that current, i seen a 25 pound live turkey get blown to bits by touching a live transformer, killed the power too in that part of the transformer until it was reset

[xXxmidgexXx]

Nice video !

[cheeseboat15]

That's incredible. It's just amazing to me the raw power at substations