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Why NOT to touch power lines.

I

ItsASecretDummy

Jan 1, 1970
0
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Several hundreths of seconds or possibly 30-60 cycles. no big deal. Colour
of arc depends on the material and temperature involved. AC flashes, even
at light current are not necessarily blue- I have seen many that aren't.
Streamer flashover as an insulator starts to break down is generally
bluish but once a solid arc is established, it is yellow. Blue for
ionization but yellow for follow current in a plasma.
Reverbatory spasm results-why? 100-120Hz pulses- the body won't spasm at
that rate-particularly above "let-go" .
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Possibly -it was a conjecture- neither of us know. However, I have known of
a case where a person in contact with a line did cause tripping and repeated
reclosure. He ended up on the ground with the wire on top of him (7200V) The
interval between reclosures was longer and the current was not enough to
kill him or render him unconcious but did do terrible damage. Rubber boots
burnt through at the ankles, holes in his back -he lived as a basket case.
All due to a combination of drunken bravado and stupidity.
The reclosure conjecture came about from the dead time betweeen pops.
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True but this doesn't mean that some kind of recloser system isn't in use.
Again no information
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His hand was not far enough away between the pops for a 1.5KV arc to
extinguish. I have pulled arcs of 1/2 to 1 inch at 5-10A at 120V. where AC
simply produces a minor spark at the same voltage and current. The current
would have been far less than that but DC arcs are recalcritant . Yes, 25KV
would have arced to him but it is not possible to see if there was a pre-arc
but it was possible to see that it was out momentarily
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Actually, I can't argue with that - which then points to AC.
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And the last of the 1.5KV DC was supposed to be phased out about 7 years
ago.
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Questionable - the video doesn't give the detail well enough to say. As for
a big platform - please note the station building in the background


Agreed- we don't have any information as to where and when, nor, in
particular the actual voltage involved.
So we can both conjecture and blow smoke.

It probably was the 25kV AC then, as I thought they still had both types
of service from the discussions I was reading.

It sure demonstrated what the word power means.
 
T

Tzortzakakis Dimitrios

Jan 1, 1970
0
? "Rich. said:
Cetenary in all new systems is 25 kV, 50 Hz. In 'old" lines in Switzerland,
Germany and Austria used to be 15 kV, 16 2/3 Hz wth its own power stations,
and transmission lines. The traction motors are supplied directly with a
multi-tapped transformer (single phase), which is forced air, oil cooled.
Normally, an engine (locomotive) has 4 motors each 1 MW, that is ~6000 HP.
Impulse current when the train starts is hundreds of Amperes. The execution
current on an electric chair is 20 A at 2500 Volts AC, so at 25 kV should be
more than 200 A, probably enough for a breaker to open and reclose, since he
didn't let go before the two flashes and audible bangs.
 
I

ItsASecretDummy

Jan 1, 1970
0
Cetenary in all new systems is 25 kV, 50 Hz. In 'old" lines in Switzerland,
Germany and Austria used to be 15 kV, 16 2/3 Hz wth its own power stations,
and transmission lines. The traction motors are supplied directly with a
multi-tapped transformer (single phase), which is forced air, oil cooled.
Normally, an engine (locomotive) has 4 motors each 1 MW, that is ~6000 HP.
Impulse current when the train starts is hundreds of Amperes. The execution
current on an electric chair is 20 A at 2500 Volts AC, so at 25 kV should be
more than 200 A, probably enough for a breaker to open and reclose, since he
didn't let go before the two flashes and audible bangs.


He DID let go between two contact events. He just did not lower his
hand... very far.

The "execution current" as you put it, on an electric chair, is with
fully wetted, large surface area contact points.

This was a single point of contact entry through dry skin (at least for
a millisecond), and the exit was two bare , dry feet.

I doubt seriously that he loaded the system at 200 Amps at that voltage
through that entry point. Far less, in fact. It became less and less as
his body frazzled dry too. It instantly boils your salty blood, and that
is the conduction path inside the body. His head and his legs were
afire. And it didn't even pass through his head.
 
I

ItsASecretDummy

Jan 1, 1970
0
How does charred steaming carbon compare in el,ecgtric conductivity?

Bill


I think he drew more current on the first pass, and then his resistance
waned until he fell. He was certainly above flesh flash point temp.

That says a lot. What? 3 seconds through 130 Lb body fed by a five
pound feeder limb, grounded by a 15 Lb egress limb (maybe two, but mostly
through one).

I think the limbs alone lost resistance and fried to a crisp, even if
the main body only got warm and saucy and kept its resistance value.
 
D

Don Kelly

Jan 1, 1970
0
ItsASecretDummy said:
I think he drew more current on the first pass, and then his resistance
waned until he fell. He was certainly above flesh flash point temp.

That says a lot. What? 3 seconds through 130 Lb body fed by a five
pound feeder limb, grounded by a 15 Lb egress limb (maybe two, but mostly
through one).

I think the limbs alone lost resistance and fried to a crisp, even if
the main body only got warm and saucy and kept its resistance value.

Which, internally, is quite low.
 
D

daestrom

Jan 1, 1970
0
in
message








Which, internally, is quite low.

--
Don Kelly
[email protected]
remove the x to reply- Hide quoted text -

- Show quoted text -

YOU HAVE EFFECTIVELY FUCKED UP THIS USENET GROUP

I HOPE YOU ARE PROUD OF YOURSELF YOU SHAMEFUL FUCKTARDS WITH ALL THE
PAYPAL JUNK AND ALL YOU HAD TO GETR RID OF THE ONL;Y REAL ADVOCATE YOU
HAD

ENJOY WHAT IS LEFT OF YOURSELVES


Then why don't you just leave. You contribute nothing. You SHOUT ALL THE
TIME. You brag about your homosexual exploits, which is more appropriate
for some porn group. You complain incessantly.

Just go away.
 
D

Don Kelly

Jan 1, 1970
0
daestrom said:
YOU HAVE EFFECTIVELY FUCKED UP THIS USENET GROUP

I HOPE YOU ARE PROUD OF YOURSELF YOU SHAMEFUL FUCKTARDS WITH ALL THE
PAYPAL JUNK AND ALL YOU HAD TO GETR RID OF THE ONL;Y REAL ADVOCATE YOU
HAD

ENJOY WHAT IS LEFT OF YOURSELVES


Then why don't you just leave. You contribute nothing. You SHOUT ALL THE
TIME. You brag about your homosexual exploits, which is more appropriate
for some porn group. You complain incessantly.

Just go away.

---------------
Proteus in all his incarnations desperately wants attention. He has nothing
to contribute. It is doubtful whether he has any thing to brag about in
reality (++ , +-, --). He gets his rocks off when you respond as then his
crap is repeated when one opens a response with your name attached,
Life is much easier if you simply kill-file him/her/it -then you are not
exposed to his garbage.

It took me a while to realize this.
 
C

Chieftain of the Carpet Crawlers

Jan 1, 1970
0
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Proteus in all his incarnations desperately wants attention. He has nothing
to contribute. It is doubtful whether he has any thing to brag about in
reality (++ , +-, --). He gets his rocks off when you respond as then his
crap is repeated when one opens a response with your name attached,
Life is much easier if you simply kill-file him/her/it -then you are not
exposed to his garbage.

It took me a while to realize this.

The idiot thinks you are me too.

Roy really took a dive. It is a shame he didn't eat the whole bottle.
Probably nothing more than Ibuprofen anyway.
 
T

TheQuickBrownFox

Jan 1, 1970
0
Don,

Unfortunately EnergyAustralia does not permit a newsgroup reader on
the system (IT rules!) and so I can only access via Google, No kill
file ability...bummer :(
SO i have to put up with his garbage.

kind regards

Daniel


You're an idiot. You do not have to read ANY post that you do not want
to read.

Your service provider does not HAVE a news server and therefore does
not have news service setting for you. You can, however, subscribe to
ANY news service you want, and there is nothing they can say about what
fucking client software you run on your box. If they "can", then your
government has their hands in your pockets on this crap provider as well.

If they do, you and anyone else there with half a brain should be
pushing for legislation against their practices.

If this is that dial up retard that came from the US to gouge the piss
out of your entire nation by being the only dial up provider there for
the past several years, he should be rode out of town on a rail. A rail
with a nice, sharp edge.

If you have a broadband provider now, and they are throttling your
access this way, it'd be time to hire a hit squad on them.

In a year or two, you will likely be able to get satellite service
access.
 
D

daestrom

Jan 1, 1970
0
TheQuickBrownFox said:
You're an idiot. You do not have to read ANY post that you do not want
to read.

Your service provider does not HAVE a news server and therefore does
not have news service setting for you. You can, however, subscribe to
ANY news service you want, and there is nothing they can say about what
fucking client software you run on your box. If they "can", then your
government has their hands in your pockets on this crap provider as well.

You are the idiot. He is posting from work. WHere the IT department has
strict rules about firewalls for data security no doubt. And one rule
apparently is to block the IP port used by newsservers.

Yeah, I can just see him trying to get IT to unblock a port in their
firewall because some twit like you told him to.

In case you've never worked in the corporate world, firewalls are maintained
to protect the internal network. Blocking unnecessary ports from allowing
connections is SOP. And usenet probably qualifies as 'unnecessary' to his
IT department.

daestrom
 
K

krw

Jan 1, 1970
0
You are the idiot. He is posting from work. WHere the IT department has
strict rules about firewalls for data security no doubt. And one rule
apparently is to block the IP port used by newsservers.

My employer even blocks access to news servers that don't use the
standard port. I don't know how they do it, but even block NNTP
access to port:80.
Yeah, I can just see him trying to get IT to unblock a port in their
firewall because some twit like you told him to.

Sure, "and just why are you wasting company time on DimBulb?"
In case you've never worked in the corporate world, firewalls are maintained
to protect the internal network. Blocking unnecessary ports from allowing
connections is SOP. And usenet probably qualifies as 'unnecessary' to his
IT department.

AlwaysWrong is as unnecessary as it gets.
 
T

TheQuickBrownFox

Jan 1, 1970
0
OK. many thanks for that information. I will forward it to our IT
department. I will hire the aforementioned (by you) hit-squad...and
wait for the police to come and escort me out of the building with all
my personal belongings


If you are posting from work, even through google, they should simply
shitcan your ass anyway.
 
T

TheQuickBrownFox

Jan 1, 1970
0
You are the idiot. He is posting from work.

He is an even bigger idiot then.
WHere the IT department has
strict rules about firewalls for data security no doubt.

No shit, dumbfuck. They usually center around WORKING while at work.
And one rule
apparently is to block the IP port used by newsservers.

There are many. There is not set specific port, even though there is a
typical port.
Yeah, I can just see him trying to get IT to unblock a port in their
firewall because some twit like you told him to.

If the IT dept had any real brains, they would set up an intranet for
the company for internal media, and a normal access server for external
requests. Most real companies operate that way. I can run what I want
on my workstation. The thing is that if I am using it for other than work
functions, it had better key in with my lunch hour or total hours at work
that day.
In case you've never worked in the corporate world,

You're an idiot. I make IP gear. extremely powerful IP gear.
firewalls are maintained
to protect the internal network.

No. Intranets are maintained to SEPARATE internal servers from the
external world. The firewall is for THAT network segment, dope.
Blocking unnecessary ports from allowing
connections is SOP.

Only in a poorly designed setup. Separate network segments are more
typical. Try working on a large WAN that spans several cities. Even
THAT is a separate segment. Are you beginning to understand?
And usenet probably qualifies as 'unnecessary' to his
IT department.

More like management, idiot. Business management dictates what ends up
on a workstation. IT merely administers the policy, and polices it.
 
C

Chieftain of the Carpet Crawlers

Jan 1, 1970
0
I
was changing my mind constantly with the brilliant insights that were
posted.


Quite indicative... of a lack of brains.
 
R

Richard Cranium

Jan 1, 1970
0
If you are posting from work, even through google, they should simply
shitcan your ass anyway.


Spoken like a truly celibate cocksucking asswipe. The latter two are
easily explainable as they are naturally linked with you Archie.
Please explain the celibacy part.
 
C

Chieftain of the Carpet Crawlers

Jan 1, 1970
0
How you get your johnies off by screwing up people's newsgroups is
beyond me. But you are a very sad case..unfortunately you are not the
only one. Usenet is fast becoming Uselessnet...sad...

Then, please do... go away, Mr. UsenetUselessOne. The moniker fits
you well.
 
S

StickThatInYourPipeAndSmokeIt

Jan 1, 1970
0
It's a shame that such a wonderful medium for the exchange of ideas
can be hijacked by people such as yourself and effectively rendered
'useless'. Very, very sad. Have you ever really stopped and realised
what you are doing? I find it hard to believe that you have.


You appear to be the only one here that is muttering nonsense, dumbass.
 
S

StickThatInYourPipeAndSmokeIt

Jan 1, 1970
0
I disagree. Seeing as the only support you seem to get to your
postings are from your own alter ego aliases I would conclude that you
are the dumbass. So pathetic...


Let's see... the last four Daniel posts... absolutely zero
electrical content. Like I said, You are muttering nonsense, and are
the dumbass. You are one of those idiots that companies shitcan because
you think you are the social cop in town. You are not. You are the
dumbass I called you, and this last set of posts is just one reason why
and one simple proof.
 
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