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On Friday, September 13, 2019 at 12:34:37 PM UTC-4, Winfield Hill wrote:
jlarkin@highlandsniptechnology.com wrote...
That battery is 1/4 the power of the array, and will
deliver that for two hours. Why bother?
They call it four hours, probably because the demand
goes down in the evening. The huge benefit of this
type of solar farm is providing power during the hot
days, when everyone in LA is running AC full blast.
The extra 130MW saves on DC-AC conversion costs and
provides off-peak power. They also discuss holding
off on using the battery until the next morning, to
reduce early AM peaks and avoid ramping up generators.
The industry people call it the duck curve. The solar generation really messes with grid stability using anything other than the fast reacting peaker plants, which are all gas ISFAIK.
https://www.vox.com/2016/2/10/10960848/solar-energy-duck-curve
On Friday, September 13, 2019 at 5:14:47 PM UTC-4, DecadentLinux...@decadence.org wrote:
Rick C <gnuarm.deletethisbit@gmail.com> wrote in
news:cefb010e-3efd-4b8e-9b5c-8986a995874d@googlegroups.com:
On Friday, September 13, 2019 at 4:25:32 PM UTC-4,
bloggs.fre...@gmail.com wrote:
On Friday, September 13, 2019 at 12:34:37 PM UTC-4, Winfield Hill
wrote:
jlarkin@highlandsniptechnology.com wrote...
That battery is 1/4 the power of the array, and will
deliver that for two hours. Why bother?
They call it four hours, probably because the demand
goes down in the evening. The huge benefit of this
type of solar farm is providing power during the hot
days, when everyone in LA is running AC full blast.
The extra 130MW saves on DC-AC conversion costs and
provides off-peak power. They also discuss holding
off on using the battery until the next morning, to
reduce early AM peaks and avoid ramping up generators.
The industry people call it the duck curve. The solar generation
really messes with grid stability using anything other than the
fast reacting peaker plants, which are all gas ISFAIK.
https://www.vox.com/2016/2/10/10960848/solar-energy-duck-curve
So much for load following nuclear then...
On another surge related topic... The boat fire.
They are saying that it may have been a battery fire that started
it.
I have always not liked the idea that just any asshole can make a
"USB compliant" charger that is not compliant because nobody is
looking any more!
AND the devices' charging circuits are not regulated internally by
design and mandate that they will NOT overcharge a battery. And
maybe they should have thermal sensors as well, and maybe set off an
alarm as the phone is being killed by whatever thermal rection going
on. The loadest alarm the phone makes till it dies.
That captain should go to prison for not ensuring that there was an
active, two man roving patrol at all times at night. The crew might
be at a culpable level too.
You seem to dislike cell phones a lot. Maybe they should have had a smoke detector on the boat?
--
Rick C.
++ Get 2,000 miles of free Supercharging
++ Tesla referral code - https://ts.la/richard11209
John Larkin <jlarkin@highland_atwork_technology.com> wrote:
On Fri, 13 Sep 2019 17:55:45 GMT, Steve Wilson <no@spam.com> wrote:
Winfield Hill <winfieldhill@yahoo.com> wrote:
jlarkin@highlandsniptechnology.com wrote...
That battery is 1/4 the power of the array, and will deliver that for
two hours. Why bother?
They call it four hours, probably because the demand
goes down in the evening. The huge benefit of this
type of solar farm is providing power during the hot
days, when everyone in LA is running AC full blast.
The extra 130MW saves on DC-AC conversion costs and
provides off-peak power. They also discuss holding
off on using the battery until the next morning, to reduce early AM
peaks and avoid ramping up generators.
They need to get HRV (Heat Recovery Ventilation) installed in their
homes. It works the same in summer as it does in winter. Completely
passive except for fans.
How efficient is that? What's the savings?
Depends on outside temperature and a host of other factors. Can vary from
about 65% to 91%.
You seem to dislike cell phones a lot. Maybe they should have had
a smoke detector on the boat?
They had smoke detectors. Whether they've recovered them and
analyzed them is another story.
Whoey Louie <trader4@optonline.net> wrote in
news:4cd5a3c7-9cc8-4ef7-a155-9aec39e9a54d@googlegroups.com:
They had smoke detectors. Whether they've recovered them and
analyzed them is another story.
You're ain't all that bright..
The engine bay *maybe* had them. Too small to have a galley so
likely only the engine bay. That leaves out the area the battery
charging devices were in.
A ship's main "Smoke Detector" comes in the form of live, roving
watch patrols. Been that way for a very long time.
On Fri, 13 Sep 2019 21:18:19 GMT, Steve Wilson <no@spam.com> wrote:
They need to get HRV (Heat Recovery Ventilation) installed in their
homes. It works the same in summer as it does in winter. Completely
passive except for fans.
How efficient is that? What's the savings?
Depends on outside temperature and a host of other factors. Can vary from
about 65% to 91%.
Sounds improbable.
Rick C <gnuarm.deletethisbit@gmail.com> wrote in
news:e831da59-8c77-4a85-8390-6784a84b09eb@googlegroups.com:
You seem to dislike cell phones a lot. Maybe they should have had
a smoke detector on the boat?
What? How the fuck did you get that stupid shit from what I posted?
I wrote about bad power supplies and poorly designed charging watchdog
circuits.
Oh, and "smoke detector"??? Boats of that size REQUIRE live, AWAKE,
roving watches.
On 13 Sep 2019 09:34:25 -0700, Winfield Hill <winfieldhill@yahoo.com
wrote:
jlarkin@highlandsniptechnology.com wrote...
That battery is 1/4 the power of the array, and will
deliver that for two hours. Why bother?
They call it four hours, probably because the demand
goes down in the evening. The huge benefit of this
type of solar farm is providing power during the hot
days, when everyone in LA is running AC full blast.
The extra 130MW saves on DC-AC conversion costs and
provides off-peak power. They also discuss holding
off on using the battery until the next morning, to
reduce early AM peaks and avoid ramping up generators.
If CO2 reduction is the goal, China is building enough coal plants
every week to crush the savings of that thing many times over.
There might be a lithium issue too:
https://en.wikipedia.org/wiki/Lithium#Reserves
On 13 Sep 2019 09:34:25 -0700, Winfield Hill <winfieldhill@yahoo.com
wrote:
jlarkin@highlandsniptechnology.com wrote...
That battery is 1/4 the power of the array, and will
deliver that for two hours. Why bother?
They call it four hours, probably because the demand
goes down in the evening. The huge benefit of this
type of solar farm is providing power during the hot
days, when everyone in LA is running AC full blast.
The extra 130MW saves on DC-AC conversion costs and
provides off-peak power. They also discuss holding
off on using the battery until the next morning, to
reduce early AM peaks and avoid ramping up generators.
If CO2 reduction is the goal, China is building enough coal plants
every week to crush the savings of that thing many times over.
There might be a lithium issue too:
https://en.wikipedia.org/wiki/Lithium#Reserves
On 9/13/19 1:46 PM, John Larkin wrote:
On 13 Sep 2019 09:34:25 -0700, Winfield Hill <winfieldhill@yahoo.com
wrote:
jlarkin@highlandsniptechnology.com wrote...
That battery is 1/4 the power of the array, and will
deliver that for two hours. Why bother?
They call it four hours, probably because the demand
goes down in the evening. The huge benefit of this
type of solar farm is providing power during the hot
days, when everyone in LA is running AC full blast.
The extra 130MW saves on DC-AC conversion costs and
provides off-peak power. They also discuss holding
off on using the battery until the next morning, to
reduce early AM peaks and avoid ramping up generators.
If CO2 reduction is the goal, China is building enough coal plants
every week to crush the savings of that thing many times over.
There might be a lithium issue too:
https://en.wikipedia.org/wiki/Lithium#Reserves
Besides China's pollution issues which they're going to be forced to
confront very seriously eventually, they have 30% of the world's
population but only 6% of its arable land.
Long term at least we have China by the balls.
On 9/13/19 1:46 PM, John Larkin wrote:
On 13 Sep 2019 09:34:25 -0700, Winfield Hill <winfieldhill@yahoo.com
wrote:
jlarkin@highlandsniptechnology.com wrote...
That battery is 1/4 the power of the array, and will
deliver that for two hours. Why bother?
They call it four hours, probably because the demand
goes down in the evening. The huge benefit of this
type of solar farm is providing power during the hot
days, when everyone in LA is running AC full blast.
The extra 130MW saves on DC-AC conversion costs and
provides off-peak power. They also discuss holding
off on using the battery until the next morning, to
reduce early AM peaks and avoid ramping up generators.
If CO2 reduction is the goal, China is building enough coal plants
every week to crush the savings of that thing many times over.
There might be a lithium issue too:
https://en.wikipedia.org/wiki/Lithium#Reserves
Besides China's pollution issues which they're going to be forced to
confront very seriously eventually, they have 30% of the world's
population but only 6% of its arable land.
Long term at least we have China by the balls.
jlarkin@highlandsniptechnology.com wrote...
That battery is 1/4 the power of the array, and will
deliver that for two hours. Why bother?
They call it four hours, probably because the demand
goes down in the evening. The huge benefit of this
type of solar farm is providing power during the hot
days, when everyone in LA is running AC full blast.
The extra 130MW saves on DC-AC conversion costs and
provides off-peak power. They also discuss holding
off on using the battery until the next morning, to
reduce early AM peaks and avoid ramping up generators.
On 9/13/19 1:46 PM, John Larkin wrote:
On 13 Sep 2019 09:34:25 -0700, Winfield Hill <winfieldhill@yahoo.com
wrote:
jlarkin@highlandsniptechnology.com wrote...
That battery is 1/4 the power of the array, and will
deliver that for two hours. Why bother?
They call it four hours, probably because the demand
goes down in the evening. The huge benefit of this
type of solar farm is providing power during the hot
days, when everyone in LA is running AC full blast.
The extra 130MW saves on DC-AC conversion costs and
provides off-peak power. They also discuss holding
off on using the battery until the next morning, to
reduce early AM peaks and avoid ramping up generators.
If CO2 reduction is the goal, China is building enough coal plants
every week to crush the savings of that thing many times over.
There might be a lithium issue too:
https://en.wikipedia.org/wiki/Lithium#Reserves
Besides China's pollution issues which they're going to be forced to
confront very seriously eventually, they have 30% of the world's
population but only 6% of its arable land.
Long term at least we have China by the balls.
On 13 Sep 2019 09:34:25 -0700, Winfield Hill <winfieldhill@yahoo.com
wrote:
jlarkin@highlandsniptechnology.com wrote...
That battery is 1/4 the power of the array, and will
deliver that for two hours. Why bother?
They call it four hours, probably because the demand
goes down in the evening. The huge benefit of this
type of solar farm is providing power during the hot
days, when everyone in LA is running AC full blast.
The extra 130MW saves on DC-AC conversion costs and
provides off-peak power. They also discuss holding
off on using the battery until the next morning, to
reduce early AM peaks and avoid ramping up generators.
In costal cities, you could use district cooling to reduce power
requirements. Get cold water from deep down in the ocean, run the cod
water through the houses taking away the heat and dump back the warm
water to the ocean.
Of course you have to use heat exchangers to avoid circulating salt
water around the city.
On Sat, 14 Sep 2019 02:03:48 -0400, bitrex <user@example.net> wrote:
On 9/13/19 1:46 PM, John Larkin wrote:
On 13 Sep 2019 09:34:25 -0700, Winfield Hill <winfieldhill@yahoo.com
wrote:
jlarkin@highlandsniptechnology.com wrote...
That battery is 1/4 the power of the array, and will
deliver that for two hours. Why bother?
They call it four hours, probably because the demand
goes down in the evening. The huge benefit of this
type of solar farm is providing power during the hot
days, when everyone in LA is running AC full blast.
The extra 130MW saves on DC-AC conversion costs and
provides off-peak power. They also discuss holding
off on using the battery until the next morning, to
reduce early AM peaks and avoid ramping up generators.
If CO2 reduction is the goal, China is building enough coal plants
every week to crush the savings of that thing many times over.
There might be a lithium issue too:
https://en.wikipedia.org/wiki/Lithium#Reserves
Besides China's pollution issues which they're going to be forced to
confront very seriously eventually, they have 30% of the world's
population but only 6% of its arable land.
Long term at least we have China by the balls.
I think so. They are at some fundamental disadvantages in a
trade/tariff war. And in a culture war.
WWII was partially decided by food and fuel resources. Britain,
Germany, and Japan were all constrained, but the US wasn't.
On Sat, 14 Sep 2019 11:58:29 +0300, upsidedown@downunder.com wrote:
On 13 Sep 2019 09:34:25 -0700, Winfield Hill <winfieldhill@yahoo.com
wrote:
jlarkin@highlandsniptechnology.com wrote...
That battery is 1/4 the power of the array, and will
deliver that for two hours. Why bother?
They call it four hours, probably because the demand
goes down in the evening. The huge benefit of this
type of solar farm is providing power during the hot
days, when everyone in LA is running AC full blast.
The extra 130MW saves on DC-AC conversion costs and
provides off-peak power. They also discuss holding
off on using the battery until the next morning, to
reduce early AM peaks and avoid ramping up generators.
In costal cities, you could use district cooling to reduce power
requirements. Get cold water from deep down in the ocean, run the cod
water through the houses taking away the heat and dump back the warm
water to the ocean.
Of course you have to use heat exchangers to avoid circulating salt
water around the city.
Has that ever been done, using deep-sea water for cooling a city?
Besides China's pollution issues which they're going to be forced to
confront very seriously eventually, they have 30% of the world's
population but only 6% of its arable land.
Long term at least we have China by the balls.
I think so. They are at some fundamental disadvantages in a
trade/tariff war. And in a culture war.
WWII was partially decided by food and fuel resources. Britain,
Germany, and Japan were all constrained, but the US wasn't.
On 9/14/19 11:37 AM, jlarkin@highlandsniptechnology.com wrote:
Besides China's pollution issues which they're going to be forced to
confront very seriously eventually, they have 30% of the world's
population but only 6% of its arable land.
Long term at least we have China by the balls.
I think so. They are at some fundamental disadvantages in a
trade/tariff war. And in a culture war.
My girl friend works in the field of America-educating the children of
some of China's well-to-do. I mean, those kids have a "culture" such as
it is. It's mostly indistinguishable from "American" culture the kids
mostly enjoy the same movies and foods and clothes and cars and TV shows
etc.
But on average way more ignorant of their own country's history and
culture and art and religion and politics (or anyone else's for that
matter) than the average American or European student. Which would seem
hard to achieve. mind you most of these students are _graduate_ students
going for advanced degrees
WWII was partially decided by food and fuel resources. Britain,
Germany, and Japan were all constrained, but the US wasn't.
The US is somewhat less constrained in the arable-land dept so long as
the climate change situation and water resources situation can be
controlled to preserve the advantages we got.