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On 20/11/2022 18:15, Commander Kinsey wrote:
On Fri, 18 Nov 2022 12:04:03 -0000, Martin Brown
\'\'\'newspam\'\'\'@nonad.co.uk> wrote:
On 17/11/2022 19:30, Carlos E.R. wrote:
On 2022-11-14 03:09, Commander Kinsey wrote:
On Sun, 13 Nov 2022 11:47:06 -0000, Martin Brown
\'\'\'newspam\'\'\'@nonad.co.uk> wrote:
On 12/11/2022 14:18, Commander Kinsey wrote:
On Sat, 12 Nov 2022 13:37:24 -0000, Carlos E.R.
robin_listas@es.invalid> wrote:
On 2022-11-12 14:11, Commander Kinsey wrote:
On Sat, 12 Nov 2022 13:05:02 -0000, John Walliker
jrwalliker@gmail.com
wrote:
On Saturday, 12 November 2022 at 12:08:20 UTC, Commander Kinsey
wrote:
Why would an invertor disconnect at lower frequency? It should be
able to match any frequency.
Its a regulatory requirement.
That is not an explanation. There\'s no reason to disconnect.
It is to me... If I am the engineer designing or installing an
inverter,
I have to follow the law and regulations.
No, you\'re *supposed* to.
And a puny domestic inverter will die horribly if it stays on too
long.
Anyway, that doesn\'t explain why the regulation is there. Surely an
invertor is capable of producing a sine wave at any frequency?
The semiconductor electronics are certainly capable of that but the
transformer will saturate and then get hot ultimately catching fire if
the frequency drops too low. Some US kit built for 60Hz only would get
awfully hot on UK 50Hz mains. A cheap and nasty US brand of shavers
sold
mostly at Xmas relied on a 60Hz mechanical resonance for good measure.
Japanese kit can pretty much always be relied upon to work on
either 50
or 60Hz since roughly half of their country is on each frequency.
Then it must be possible to let it go way below 50Hz. The
regulation\'s a bit daft if some can do it.
No, because existing equipment can not handle it. The regulation simply
takes into account that equipment, those design constraints, and tells
you not to drop the frequency.
I think they probably could increase the low frequency bound for
domestic and modest sized solar or wind farms not to drop off grid. It
is preferable to stress a few motors and transformers for a few minutes
when compared to the major cost of dropping large segments of load.
Otherwise you get the cascade failure mode that afflicted the UK after a
freak lightning strike took out a fairly small electric plant and caused
a cascade of failures that took down mains for London and much of
England.
Surely a \"fairly small electric plant\" going off wouldn\'t change much at
all? What was it, 0.01% of the grid?
https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/836626/20191003_E3C_Interim_Report_into_GB_Power_Disruption.pdf
It was a big enough chunk that their spinning reserve was about half
what was needed to stabilise the grid and frequency fell below 48Hz. AT
that point automatic load shedding began in earnest.
A subtle part of the problem was that it was a nice sunny day and
although they shed 1GW of nominal load they also shed 600MW of embedded
generation with it so that the equations didn\'t immediately balance and
they were then forced to take more drastic action.
The recoil also disconnected a major wind farm in the North Sea and that
coupled with the high N to S power transfer at that time of day was
enough to take down a fairly wide area of the southern network.
It didn\'t help that electric trains required an engineering reset before
they could be moved from where they ground to a halt when the mains went
down.
What fool designed those?
People who thought that the mains supply in the UK is stable.
(and usually it is)
On Thu, 17 Nov 2022 19:04:36 -0000, \"Commander Kinsey\"
CK1@nospam.com> wrote:
On Sun, 13 Nov 2022 07:56:00 -0000, <upsidedown@downunder.com> wrote:
On Sat, 12 Nov 2022 22:22:24 +0100, \"Carlos E.R.\"
robin_listas@es.invalid> wrote:
On 2022-11-12 15:17, Commander Kinsey wrote:
On Sat, 12 Nov 2022 13:39:00 -0000, Carlos E.R.
robin_listas@es.invalid> wrote:
On 2022-11-12 14:22, Commander Kinsey wrote:
On Fri, 11 Nov 2022 17:55:38 -0000, rick
rick_hughes@_remove_btconnect.com> wrote:
On 06/11/2022 14:23, Commander Kinsey wrote:
Instead of rolling blackouts when there\'s a power shortage, why
don\'t we
just allow (or deliberately) the voltage and frequency to drop?
Wouldn\'t that make a lot of devices use less?
It is a legal requirement to keep the frequency at 50Hz over a set
period.
Therefore if it lags at any point they have to increase to catch up.
This was a legal requirement due to mains clocks.
But you can drop it to 49 for a while then put it up to 51 when there\'s
plenty power.
And do it in the entire Europe, simultaneously?
We\'re linked by DC, so no.
Wrong.
Most parts of continental Europe are connected to a single 50 Hz
synchronous network (UCTE). UK is connected to this network with under
sea DC cables. Scandinavia is also connected to this UCTE network with
DC cables. All these three networks are nominally 50 Hz but there are
phase differences varying all the time.
Due to the AC/DC/AC connection across the Channel UK could do some
strange thing with their network without affecting the continental
Europe.or Scandinavia.
What does USA do with it\'s 60Hz shit? Or does it do as it does with the rest of politics, ignore everyone non-American?
Cool, we form hostile tribes over skin color, language, religion,
location, and political party, and now we can war over frequency.
If we keep inventing things to divide over, specifically about 33
things, every tribe could have one member. Then everyone could attack
anybody else on sight.
On 2022-11-19 08:20, Commander Kinsey wrote:
On Thu, 17 Nov 2022 23:02:30 -0000, SteveW <steve@walker-family.me.uk
wrote:
On 17/11/2022 19:22, Scott Lurndal wrote:
SteveW <steve@walker-family.me.uk> writes:
On 17/11/2022 19:03, Commander Kinsey wrote:
Yes, the European mainland grid whilst it is not all of Europe, is
synchronised.
I believe Norway, the UK and Ireland, are definietly totally
separate.
I thought there was a problem with capacitance sending AC a long
distance, hence DC to the UK? Yet they\'re managing AC throughout most
of Europe?
They\'re not having to send it undersea though.
https://en.wikipedia.org/wiki/HVDC_Gotland
Except of course that that is DC link - because it is underwater.
Underwater is irrelevant, it\'s the capacitance in the wire.
LOL
On Sat, 19 Nov 2022 14:47:16 -0000, John Larkin <jlarkin@highlandsnipmetechnology.com> wrote:
On Thu, 17 Nov 2022 19:04:36 -0000, \"Commander Kinsey\"
CK1@nospam.com> wrote:
On Sun, 13 Nov 2022 07:56:00 -0000, <upsidedown@downunder.com> wrote:
On Sat, 12 Nov 2022 22:22:24 +0100, \"Carlos E.R.\"
robin_listas@es.invalid> wrote:
On 2022-11-12 15:17, Commander Kinsey wrote:
On Sat, 12 Nov 2022 13:39:00 -0000, Carlos E.R.
robin_listas@es.invalid> wrote:
On 2022-11-12 14:22, Commander Kinsey wrote:
On Fri, 11 Nov 2022 17:55:38 -0000, rick
rick_hughes@_remove_btconnect.com> wrote:
On 06/11/2022 14:23, Commander Kinsey wrote:
Instead of rolling blackouts when there\'s a power shortage, why
don\'t we
just allow (or deliberately) the voltage and frequency to drop?
Wouldn\'t that make a lot of devices use less?
It is a legal requirement to keep the frequency at 50Hz over a set
period.
Therefore if it lags at any point they have to increase to catch up.
This was a legal requirement due to mains clocks.
But you can drop it to 49 for a while then put it up to 51 when there\'s
plenty power.
And do it in the entire Europe, simultaneously?
We\'re linked by DC, so no.
Wrong.
Most parts of continental Europe are connected to a single 50 Hz
synchronous network (UCTE). UK is connected to this network with under
sea DC cables. Scandinavia is also connected to this UCTE network with
DC cables. All these three networks are nominally 50 Hz but there are
phase differences varying all the time.
Due to the AC/DC/AC connection across the Channel UK could do some
strange thing with their network without affecting the continental
Europe.or Scandinavia.
What does USA do with it\'s 60Hz shit? Or does it do as it does with the rest of politics, ignore everyone non-American?
Cool, we form hostile tribes over skin color, language, religion,
location, and political party, and now we can war over frequency.
If we keep inventing things to divide over, specifically about 33
things, every tribe could have one member. Then everyone could attack
anybody else on sight.
What brought you to the number 33?
Every man for himself is a well known method.
On Mon, 21 Nov 2022 23:11:38 -0000, \"Commander Kinsey\"
CK1@nospam.com> wrote:
On Sat, 19 Nov 2022 14:47:16 -0000, John Larkin <jlarkin@highlandsnipmetechnology.com> wrote:
On Thu, 17 Nov 2022 19:04:36 -0000, \"Commander Kinsey\"
CK1@nospam.com> wrote:
On Sun, 13 Nov 2022 07:56:00 -0000, <upsidedown@downunder.com> wrote:
On Sat, 12 Nov 2022 22:22:24 +0100, \"Carlos E.R.\"
robin_listas@es.invalid> wrote:
On 2022-11-12 15:17, Commander Kinsey wrote:
On Sat, 12 Nov 2022 13:39:00 -0000, Carlos E.R.
robin_listas@es.invalid> wrote:
On 2022-11-12 14:22, Commander Kinsey wrote:
On Fri, 11 Nov 2022 17:55:38 -0000, rick
rick_hughes@_remove_btconnect.com> wrote:
On 06/11/2022 14:23, Commander Kinsey wrote:
Instead of rolling blackouts when there\'s a power shortage, why
don\'t we
just allow (or deliberately) the voltage and frequency to drop?
Wouldn\'t that make a lot of devices use less?
It is a legal requirement to keep the frequency at 50Hz over a set
period.
Therefore if it lags at any point they have to increase to catch up.
This was a legal requirement due to mains clocks.
But you can drop it to 49 for a while then put it up to 51 when there\'s
plenty power.
And do it in the entire Europe, simultaneously?
We\'re linked by DC, so no.
Wrong.
Most parts of continental Europe are connected to a single 50 Hz
synchronous network (UCTE). UK is connected to this network with under
sea DC cables. Scandinavia is also connected to this UCTE network with
DC cables. All these three networks are nominally 50 Hz but there are
phase differences varying all the time.
Due to the AC/DC/AC connection across the Channel UK could do some
strange thing with their network without affecting the continental
Europe.or Scandinavia.
What does USA do with it\'s 60Hz shit? Or does it do as it does with the rest of politics, ignore everyone non-American?
Cool, we form hostile tribes over skin color, language, religion,
location, and political party, and now we can war over frequency.
If we keep inventing things to divide over, specifically about 33
things, every tribe could have one member. Then everyone could attack
anybody else on sight.
What brought you to the number 33?
Every man for himself is a well known method.
2^33 = 8.6e9.
I think they probably could increase the low frequency bound for domestic and modest sized solar or wind farms not to drop off grid. It is preferable to stress a few motors and transformers for a few minutes when compared to the major cost of dropping large segments of load.
Otherwise you get the cascade failure mode that afflicted the UK after a freak lightning strike took out a fairly small electric plant and caused a cascade of failures that took down mains for London and much of England.
https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/836626/20191003_E3C_Interim_Report_into_GB_Power_Disruption.pdf
It didn\'t help that electric trains required an engineering reset before they could be moved from where they ground to a halt when the mains went down.
Germany has also dropped below that on occasion. No one shouts about itOn 18/11/2022 12:04, Martin Brown wrote:
I think they probably could increase the low frequency bound for
domestic and modest sized solar or wind farms not to drop off grid. It
is preferable to stress a few motors and transformers for a few
minutes when compared to the major cost of dropping large segments of
load.
Otherwise you get the cascade failure mode that afflicted the UK after
a freak lightning strike took out a fairly small electric plant and
caused a cascade of failures that took down mains for London and much
of England.
https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/836626/20191003_E3C_Interim_Report_into_GB_Power_Disruption.pdf
It didn\'t help that electric trains required an engineering reset
before they could be moved from where they ground to a halt when the
mains went down.
It turned out that the design spec of the trains was that they should
cope with a frequency drop to as low as 49 Hz, but they were built by
German engineers who assumed that in a modern country like Germany, but
not as it turned out the UK, the mains frequency could *never* drop
below 49.5 Hz, so they built in (or failed to avoid) a serious failure
mode when this actually occurred. Hence all their class 700 trains
stopped.
Messrs Thameslink, the train operator, compounded the problem by only
installing in some of their trains a software update which would have
allowed the driver to restart the train after it had stopped from this
cause. Since only a few trains could be restarted, the lines were still
pretty well blocked, and the network was effectively at a standstill for
about half a day. A combined German and British cock-up you might think.
They all needed a hard reset apparently.
On 18/11/2022 12:04, Martin Brown wrote:
I think they probably could increase the low frequency bound for domestic and modest sized solar or wind farms not to drop off grid. It is preferable to stress a few motors and transformers for a few minutes when compared to the major cost of dropping large segments of load.
Otherwise you get the cascade failure mode that afflicted the UK after a freak lightning strike took out a fairly small electric plant and caused a cascade of failures that took down mains for London and much of England.
https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/836626/20191003_E3C_Interim_Report_into_GB_Power_Disruption.pdf
It didn\'t help that electric trains required an engineering reset before they could be moved from where they ground to a halt when the mains went down.
It turned out that the design spec of the trains was that they should cope with a frequency drop to as low as 49 Hz, but they were built by German engineers who assumed that in a modern country like Germany, but not as it turned out the UK, the mains frequency could *never* drop below 49.5 Hz, so they built in (or failed to avoid) a serious failure mode when this actually occurred. Hence all their class 700 trains stopped.
Messrs Thameslink, the train operator, compounded the problem by only installing in some of their trains a software update which would have allowed the driver to restart the train after it had stopped from this cause. Since only a few trains could be restarted, the lines were still pretty well blocked, and the network was effectively at a standstill for about half a day. A combined German and British cock-up you might think.
On Sat, 19 Nov 2022 07:20:04 -0000, \"Commander Kinsey\"
CK1@nospam.com> wrote:
On Thu, 17 Nov 2022 23:02:30 -0000, SteveW <steve@walker-family.me.uk> wrote:
On 17/11/2022 19:22, Scott Lurndal wrote:
SteveW <steve@walker-family.me.uk> writes:
On 17/11/2022 19:03, Commander Kinsey wrote:
Yes, the European mainland grid whilst it is not all of Europe, is
synchronised.
I believe Norway, the UK and Ireland, are definietly totally separate.
I thought there was a problem with capacitance sending AC a long
distance, hence DC to the UK? Yet they\'re managing AC throughout most
of Europe?
They\'re not having to send it undersea though.
https://en.wikipedia.org/wiki/HVDC_Gotland
Except of course that that is DC link - because it is underwater.
Underwater is irrelevant, it\'s the capacitance in the wire.
What\'s the dielectric constant of copper?
On Sat, 19 Nov 2022 14:52:28 -0000, John Larkin
jlarkin@highlandsnipmetechnology.com> wrote:
On Sat, 19 Nov 2022 07:20:04 -0000, \"Commander Kinsey\"
CK1@nospam.com> wrote:
On Thu, 17 Nov 2022 23:02:30 -0000, SteveW
steve@walker-family.me.uk> wrote:
On 17/11/2022 19:22, Scott Lurndal wrote:
SteveW <steve@walker-family.me.uk> writes:
On 17/11/2022 19:03, Commander Kinsey wrote:
Yes, the European mainland grid whilst it is not all of Europe, is
synchronised.
I believe Norway, the UK and Ireland, are definietly totally
separate.
I thought there was a problem with capacitance sending AC a long
distance, hence DC to the UK? Yet they\'re managing AC throughout
most
of Europe?
They\'re not having to send it undersea though.
https://en.wikipedia.org/wiki/HVDC_Gotland
Except of course that that is DC link - because it is underwater.
Underwater is irrelevant, it\'s the capacitance in the wire.
What\'s the dielectric constant of copper?
Copper isn\'t an insulator.
On 22/11/2022 17:17, Commander Kinsey wrote:
On Sat, 19 Nov 2022 14:52:28 -0000, John Larkin
jlarkin@highlandsnipmetechnology.com> wrote:
On Sat, 19 Nov 2022 07:20:04 -0000, \"Commander Kinsey\"
CK1@nospam.com> wrote:
On Thu, 17 Nov 2022 23:02:30 -0000, SteveW
steve@walker-family.me.uk> wrote:
On 17/11/2022 19:22, Scott Lurndal wrote:
SteveW <steve@walker-family.me.uk> writes:
On 17/11/2022 19:03, Commander Kinsey wrote:
Yes, the European mainland grid whilst it is not all of Europe, is
synchronised.
I believe Norway, the UK and Ireland, are definietly totally
separate.
I thought there was a problem with capacitance sending AC a long
distance, hence DC to the UK? Yet they\'re managing AC throughout
most
of Europe?
They\'re not having to send it undersea though.
https://en.wikipedia.org/wiki/HVDC_Gotland
Except of course that that is DC link - because it is underwater.
Underwater is irrelevant, it\'s the capacitance in the wire.
What\'s the dielectric constant of copper?
Copper isn\'t an insulator.
Precisely, hence only troll kinsey could ever say, \"Underwater is
irrelevant, it\'s the capacitance in the wire\".
Software. They designed it to work at exactly 50Hz, and instead ofOn Tue, 22 Nov 2022 15:38:21 +0000, Clive Page <usenet@page2.eu
wrote:
On 18/11/2022 12:04, Martin Brown wrote:
I think they probably could increase the low frequency bound for domestic and modest sized solar or wind farms not to drop off grid. It is preferable to stress a few motors and transformers for a few minutes when compared to the major cost of dropping large segments of load.
Otherwise you get the cascade failure mode that afflicted the UK after a freak lightning strike took out a fairly small electric plant and caused a cascade of failures that took down mains for London and much of England.
https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/836626/20191003_E3C_Interim_Report_into_GB_Power_Disruption.pdf
It didn\'t help that electric trains required an engineering reset before they could be moved from where they ground to a halt when the mains went down.
It turned out that the design spec of the trains was that they should cope with a frequency drop to as low as 49 Hz, but they were built by German engineers who assumed that in a modern country like Germany, but not as it turned out the UK, the mains frequency could *never* drop below 49.5 Hz, so they built in (or failed to avoid) a serious failure mode when this actually occurred. Hence all their class 700 trains stopped.
Messrs Thameslink, the train operator, compounded the problem by only installing in some of their trains a software update which would have allowed the driver to restart the train after it had stopped from this cause. Since only a few trains could be restarted, the lines were still pretty well blocked, and the network was effectively at a standstill for about half a day. A combined German and British cock-up you might think.
I can\'t imagine anything that would cause a reasonable train
propulsion system to fail at 49 Hz, or even 45 Hz.
On Tue, 22 Nov 2022 17:22:42 -0000, Fredxx <fre...@spam.uk> wrote:
On 22/11/2022 17:17, Commander Kinsey wrote:
On Sat, 19 Nov 2022 14:52:28 -0000, John Larkin
jla...@highlandsnipmetechnology.com> wrote:
On Sat, 19 Nov 2022 07:20:04 -0000, \"Commander Kinsey\"
C...@nospam.com> wrote:
On Thu, 17 Nov 2022 23:02:30 -0000, SteveW
st...@walker-family.me.uk> wrote:
On 17/11/2022 19:22, Scott Lurndal wrote:
SteveW <st...@walker-family.me.uk> writes:
On 17/11/2022 19:03, Commander Kinsey wrote:
Yes, the European mainland grid whilst it is not all of Europe, is
synchronised.
I believe Norway, the UK and Ireland, are definietly totally
separate.
I thought there was a problem with capacitance sending AC a long
distance, hence DC to the UK? Yet they\'re managing AC throughout
most
of Europe?
They\'re not having to send it undersea though.
https://en.wikipedia.org/wiki/HVDC_Gotland
Except of course that that is DC link - because it is underwater.
Underwater is irrelevant, it\'s the capacitance in the wire.
What\'s the dielectric constant of copper?
Copper isn\'t an insulator.
Precisely, hence only troll kinsey could ever say, \"Underwater is
irrelevant, it\'s the capacitance in the wire\".
In the fucking insulator in the wire you OCD fuckwit. Go back to sleep.
On 18/11/2022 12:04, Martin Brown wrote:
I think they probably could increase the low frequency bound for domestic and modest sized solar or wind farms not to drop off grid. It is preferable to stress a few motors and transformers for a few minutes when compared to the major cost of dropping large segments of load.
Otherwise you get the cascade failure mode that afflicted the UK after a freak lightning strike took out a fairly small electric plant and caused a cascade of failures that took down mains for London and much of England.
https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/836626/20191003_E3C_Interim_Report_into_GB_Power_Disruption.pdf
It didn\'t help that electric trains required an engineering reset before they could be moved from where they ground to a halt when the mains went down.
It turned out **that** the design spec of the trains was **that** they should cope with a frequency drop to as low as 49 Hz
On 22/11/2022 15:38, Clive Page wrote:
On 18/11/2022 12:04, Martin Brown wrote:
I think they probably could increase the low frequency bound for
domestic and modest sized solar or wind farms not to drop off grid. It
is preferable to stress a few motors and transformers for a few
minutes when compared to the major cost of dropping large segments of
load.
Otherwise you get the cascade failure mode that afflicted the UK after
a freak lightning strike took out a fairly small electric plant and
caused a cascade of failures that took down mains for London and much
of England.
https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/836626/20191003_E3C_Interim_Report_into_GB_Power_Disruption.pdf
It didn\'t help that electric trains required an engineering reset
before they could be moved from where they ground to a halt when the
mains went down.
It turned out that the design spec of the trains was that they should
cope with a frequency drop to as low as 49 Hz, but they were built by
German engineers who assumed that in a modern country like Germany, but
not as it turned out the UK, the mains frequency could *never* drop
below 49.5 Hz, so they built in (or failed to avoid) a serious failure
mode when this actually occurred. Hence all their class 700 trains
stopped.
Germany has also dropped below that on occasion. No one shouts about it
of course, because the myth of German Engineering is carefully preserved
against all the evidence that a lot of German products are total shit.
On 22/11/2022 16:32, John Larkin wrote:
On Tue, 22 Nov 2022 15:38:21 +0000, Clive Page <usenet@page2.eu
wrote:
On 18/11/2022 12:04, Martin Brown wrote:
I think they probably could increase the low frequency bound for domestic and modest sized solar or wind farms not to drop off grid. It is preferable to stress a few motors and transformers for a few minutes when compared to the major cost of dropping large segments of load.
Otherwise you get the cascade failure mode that afflicted the UK after a freak lightning strike took out a fairly small electric plant and caused a cascade of failures that took down mains for London and much of England.
https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/836626/20191003_E3C_Interim_Report_into_GB_Power_Disruption.pdf
It didn\'t help that electric trains required an engineering reset before they could be moved from where they ground to a halt when the mains went down.
It turned out that the design spec of the trains was that they should cope with a frequency drop to as low as 49 Hz, but they were built by German engineers who assumed that in a modern country like Germany, but not as it turned out the UK, the mains frequency could *never* drop below 49.5 Hz, so they built in (or failed to avoid) a serious failure mode when this actually occurred. Hence all their class 700 trains stopped.
Messrs Thameslink, the train operator, compounded the problem by only installing in some of their trains a software update which would have allowed the driver to restart the train after it had stopped from this cause. Since only a few trains could be restarted, the lines were still pretty well blocked, and the network was effectively at a standstill for about half a day. A combined German and British cock-up you might think.
I can\'t imagine anything that would cause a reasonable train
propulsion system to fail at 49 Hz, or even 45 Hz.
Software. They designed it to work at exactly 50Hz, and instead of
designing it to also work at 49.5Hz, they simply flagged an error and
refused to start until manually reset.
IIRC these are all massive brushless motors running off rectified DC
with chopper inverters feeding the coils. So no reason to behave this
way except lazy programming by a crap German software engineer.
On Tuesday, 22 November 2022 at 17:28:22 UTC, Commander Kinsey wrote:
On Tue, 22 Nov 2022 17:22:42 -0000, Fredxx <fre...@spam.uk> wrote:
On 22/11/2022 17:17, Commander Kinsey wrote:
On Sat, 19 Nov 2022 14:52:28 -0000, John Larkin
jla...@highlandsnipmetechnology.com> wrote:
On Sat, 19 Nov 2022 07:20:04 -0000, \"Commander Kinsey\"
C...@nospam.com> wrote:
On Thu, 17 Nov 2022 23:02:30 -0000, SteveW
st...@walker-family.me.uk> wrote:
On 17/11/2022 19:22, Scott Lurndal wrote:
SteveW <st...@walker-family.me.uk> writes:
On 17/11/2022 19:03, Commander Kinsey wrote:
Yes, the European mainland grid whilst it is not all of Europe, is
synchronised.
I believe Norway, the UK and Ireland, are definietly totally
separate.
I thought there was a problem with capacitance sending AC a long
distance, hence DC to the UK? Yet they\'re managing AC throughout
most
of Europe?
They\'re not having to send it undersea though.
https://en.wikipedia.org/wiki/HVDC_Gotland
Except of course that that is DC link - because it is underwater.
Underwater is irrelevant, it\'s the capacitance in the wire.
What\'s the dielectric constant of copper?
Copper isn\'t an insulator.
Precisely, hence only troll kinsey could ever say, \"Underwater is
irrelevant, it\'s the capacitance in the wire\".
In the fucking insulator in the wire you OCD fuckwit. Go back to sleep.
We know that. However, copper does have a dielectric constant. Its just very
large - and complex.
On Thu, 17 Nov 2022 23:02:30 -0000, SteveW <steve@walker-family.me.uk
wrote:
On 17/11/2022 19:22, Scott Lurndal wrote:
SteveW <steve@walker-family.me.uk> writes:
On 17/11/2022 19:03, Commander Kinsey wrote:
Yes, the European mainland grid whilst it is not all of Europe, is
synchronised.
I believe Norway, the UK and Ireland, are definietly totally
separate.
I thought there was a problem with capacitance sending AC a long
distance, hence DC to the UK? Yet they\'re managing AC throughout most
of Europe?
They\'re not having to send it undersea though.
https://en.wikipedia.org/wiki/HVDC_Gotland
Except of course that that is DC link - because it is underwater.
Underwater is irrelevant, it\'s the capacitance in the wire.