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Apr 27 2011 10:05am
Quote (njaguar @ Apr 27 2011 03:36pm)
From the article:
"Despite the optimistic results of their calculations, they warn that a plan like this requires a complete revamping of the current electric infrastructure. The country's AC grid would have to be converted to High Voltage DC in order to decrease transmission loss from 50% to around 3% while moving the power from the sunny Southwest to the power-hungry North East. Miles says this would be a huge undertaking that would help move the country from "capital-intensive fossil fuel plants that need to run 24/7" to "electricity created by people's and the economy's daily rhythm," which solar and wind energy follows closely.

In the meantime, Ausra plans to develop a 175-megawatt solar power plant with their solar storage technology, hitting the market mid-2009. We're inclined to think that the proposal is more of a thought experiment, and while it's an exciting one, we don't see the US grid switching to DC....ever. But while the South West's abundant sunshine is certainly a resource to be tapped, I'm pretty sure a more distributed system will be best in the end anyhow,"

You are aware that our entire electrical infrastructure is built on AC power, right? Yes, there are converters, but all the equipment in your house runs on AC, from your computer to your refrigerator to your tv. I also am not seeing any numbers to support his calculations, whereas I provided mine, with resources and formulas. In other words, you're comparing apples to oranges.

In order to do this TODAY with current technology, it would require arrays larger than the USA in size. See my calculations. If you don't like the results, do the math yourself, and post results with the formulas and documented numbers, and how you arrived at your conclusion. Please also include not only sheer size involved, but the amount of materials involved (panels), and if possible, an estimated cost (as I also provided).

Good intentions don't override reality, sorry, try again.

An interesting aside is the history (and some say conspiracy) regarding AC vs. DC electricity.

edit:
If we went to nuclear power, we could do it by building about 400-450 more reactors: (probably less if you consider more modern higher efficiency facilities)
"As of 2008, nuclear power in the United States is provided by 104 commercial reactors (69 pressurized water reactors and 35 boiling water reactors) licensed to operate at 65 nuclear power plants, producing a total of 806.2 TWh of electricity, which was 19.6% of the nation's total electric energy generation in 2008.[1] The United States is the world's largest supplier of commercial nuclear power."
http://en.wikipedia.org/wiki/Nuclear_power_in_the_United_States


ya cause nuclear reactors never went to hell...

just like nuclear weapons, no one on earth should touch them imo. isnt it somthing like 3 nukes go off in a certain time frame and the world goes into fallout?
the same can happen with a big enough natural disaster. radition is not something to toy with. look how fucked up japan was after just 2 atomic bombs. deformed babys for 2 generations, huge spike in cancer / tumors.... not worth it imo.
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Apr 27 2011 10:39am
Quote (njaguar @ Apr 27 2011 10:36am)
From the article:
"Despite the optimistic results of their calculations, they warn that a plan like this requires a complete revamping of the current electric infrastructure. The country's AC grid would have to be converted to High Voltage DC in order to decrease transmission loss from 50% to around 3% while moving the power from the sunny Southwest to the power-hungry North East. Miles says this would be a  huge undertaking that would help move the country from "capital-intensive fossil fuel plants that need to run 24/7" to "electricity created by people's and the economy's daily rhythm," which solar and wind energy follows closely.

In the meantime, Ausra plans to develop a 175-megawatt solar power plant with their solar storage technology, hitting the market mid-2009. We're inclined to think that the proposal is more of a thought experiment, and while it's an exciting one, we don't see the US grid switching to DC....ever. But while the South West's abundant sunshine is certainly a resource to be tapped, I'm pretty sure a more distributed system will be best in the end anyhow,"

You are aware that our entire electrical infrastructure is built on AC power, right? Yes, there are converters, but all the equipment in your house runs on AC, from your computer to your refrigerator to your tv. I also am not seeing any numbers to support his calculations, whereas I provided mine, with resources and formulas. In other words, you're comparing apples to oranges.

In order to do this TODAY with current technology, it would require arrays larger than the USA in size. See my calculations. If you don't like the results, do the math yourself, and post results with the formulas and documented numbers, and how you arrived at your conclusion. Please also include not only sheer size involved, but the amount of materials involved (panels), and if possible, an estimated cost (as I also provided).

Good intentions don't override reality, sorry, try again.

An interesting aside is the history (and some say conspiracy) regarding AC vs. DC electricity.

edit:
If we went to nuclear power, we could do it by building about 400-450 more reactors: (probably less if you consider more modern higher efficiency facilities)
"As of 2008, nuclear power in the United States is provided by 104 commercial reactors (69 pressurized water reactors and 35 boiling water reactors) licensed to operate at 65 nuclear power plants, producing a total of 806.2 TWh of electricity, which was 19.6% of the nation's total electric energy generation in 2008.[1] The United States is the world's largest supplier of commercial nuclear power."
http://en.wikipedia.org/wiki/Nuclear_power_in_the_United_States


What is wrong with the first thing you quoted? Scientifically speaking, we should always be upgrading our systems for the most efficient, but money (which should be non-existant in the first place) holds everything back.
It's a thought experiment since oil is still thought to be plentiful and a reliable resource, and soon, that'll be proven wrong. and since we did nothing about we're going to have a hell of a time converting.
also, nuclear plants shouldn't even be touched. I am highly against these, and again, they require INPUT to put output.

and about the time? sure we don't have great solar power yet, and that is again, it is held back by the monetary system.
If we put more money into the research and development we would see great improvements

another example of misplaced money
terrorism kills less people in the united states than peanuts a year, yet we spend $5+ billion on it.
What about the leading death causes in the united states? Heart Disease. about $4 million.
The monetary system is flawed, and the sooner people realize this the better.
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Apr 27 2011 11:12am
Quote (MewKitten @ 27 Apr 2011 11:39)
What is wrong with the first thing you quoted? Scientifically speaking, we should always be upgrading our systems for the most efficient, but money (which should be non-existant in the first place) holds everything back.
It's a thought experiment since oil is still thought to be plentiful and a reliable resource, and soon, that'll be proven wrong. and since we did nothing about we're going to have a hell of a time converting.
also, nuclear plants shouldn't even be touched. I am highly against these, and again, they require INPUT to put output.

and about the time? sure we don't have great solar power yet, and that is again, it is held back by the monetary system.
If we put more money into the research and development we would see great improvements

another example of misplaced money
terrorism kills less people in the united states than peanuts a year, yet we spend $5+ billion on it.
What about the leading death causes in the united states? Heart Disease. about $4 million.
The monetary system is flawed, and the sooner people realize this the better.


Are you serious? Okay, go through your house, write down every electrical thing you have in your home, from the refridgerator to your tvs to your toaster to your stove (if electric), oven, heater, computers, cell phone charger, lights, lamps, sockets, everything. Now, once that is done, contact an electrician and ask them to price out how much it would cost to replace the wiring in your home with a 100% DC compatible system. Now, total up all your items and what it'd cost to replace them with a DC version. Total your amount.

Now, do this for everyone in America.

I can't even seriously believe you don't see the ridiculousness in that. Maybe if you're a college student with absolutely no assets or belongings, it would make sense, but for a vast majority of homeowners, this would be an impossibility (especially with todays economy!)

Note: It may be possible to purchase DC->AC converters for each home, but these will be costly up front, and a huge burden on both homeowners and the power companies, which is why it's not practical at the moment.

DC power is also more dangerous for various reasons, especially at the voltages required to run modern electrical equipment.

I'm in complete agreement that our government wastes a lot of money, and should be greatly downsized, so you're preaching to the choir on that one. I am speaking logistics and showing you how impractical these pipe dreams are for our nation.
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Apr 27 2011 11:51am
Solar is a pretty nice way to supplement your individual power supply, but it's definitely not a long-term full time solution. In a lot of cities, because of the Federal, State and Local credits to green energy you can actually make back the cost of installing solar panels on your house pretty quickly (I have a family member who made the money back on his in less than a year because about 75% of the cost was paid for by various government entities).

In terms of solving the bigger problem though, it's incredibly naive to think that we can just get off of fossil fuels now. Even if we were to grant the (ridiculous) claim that we have enough available landmass in the desert to supply all of the United States with power, how are you going to transport it? The main bottleneck to electricity production now isn't the ability to create the power, it is the ability to move and store it. This is the reason why we don't build nuclear power plants extremely far away from population centers (that would make sense, right?)--the amount of power lost transmitting the electricity from the power plant to the final destination would be so great that it isn't worth the time to build it. Solar has an additional problem: you don't get solar power when it's cloudy. That means that in order to provide constant electricity you don't just need more efficient transmission mechanisms, you need battery technology capable of storing enough power to run entire cities for days. Ask an electrical engineer some time whether that's a realistic goal. They'll tell you that at best there are some promising ideas right now and, more likely, will just laugh.

The solution to the energy crisis is going to have to come from some fundamental innovation in either the storage, transmission, or production of electricity, and likely will require advances in all three. Until that happens, I honestly don't even see the point in trying to solve the bigger problem. It's just not feasible.

As for the Federal Reserve, I'll ask what I always ask. What do you propose replace it? The gold standard? The historical judgment on the effectiveness of that system is not particularly favorable.

This post was edited by darkfire on Apr 27 2011 11:54am
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Apr 27 2011 12:00pm
Quote (darkfire @ Apr 27 2011 05:51pm)
Solar is a pretty nice way to supplement your individual power supply, but it's definitely not a long-term full time solution.  In a lot of cities, because of the Federal, State and Local credits to green energy you can actually make back the cost of installing solar panels on your house pretty quickly (I have a family member who made the money back on his in less than a year because about 75% of the cost was paid for by various government entities).

In terms of solving the bigger problem though, it's incredibly naive to think that we can just get off of fossil fuels now.  Even if we were to grant the (ridiculous) claim that we have enough available landmass in the desert to supply all of the United States with power, how are you going to transport it?  The main bottleneck to electricity production now isn't the ability to create the power, it is the ability to move and store it.  This is the reason why we don't build nuclear power plants extremely far away from population centers (that would make sense, right?)--the amount of power lost transmitting the electricity from the power plant to the final destination would be so great that it isn't worth the time to build it.  Solar has an additional problem: you don't get solar power when it's cloudy.  That means that in order to provide constant electricity you don't just need more efficient transmission mechanisms, you need battery technology capable of storing enough power to run entire cities for days.  Ask an electrical engineer some time whether that's a realistic goal.  They'll tell you that at best there are some promising ideas right now and, more likely, will just laugh.

The solution to the energy crisis is going to have to come from some fundamental innovation in either the storage, transmission, or production of electricity, and likely will require advances in all three.  Until that happens, I honestly don't even see the point in trying to solve the bigger problem.  It's just not feasible.

As for the Federal Reserve, I'll ask what I always ask.  What do you propose replace it?  The gold standard?  The historical judgment on the effectiveness of that system is not particularly favorable.


As far as green energy is concerned, many of the proposed systems are flawed and only a few useful. Tidal power seems like one of the better options, aswell as biogas. Geothermal is failing hard, even in volcanic environments. Solar is dependent on the sun shining, wind is dependent on wind blowing, it's too situational.

And I still hope the ITER yields good results, for nuclear fusion is one of my future dream solutions for the energy problem.
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Apr 27 2011 12:12pm
Quote (balrog66 @ Apr 27 2011 06:00pm)
As far as green energy is concerned, many of the proposed systems are flawed and only a few useful. Tidal power seems like one of the better options, aswell as biogas. Geothermal is failing hard, even in volcanic environments. Solar is dependent on the sun shining, wind is dependent on wind blowing, it's too situational.

And I still hope the ITER yields good results, for nuclear fusion is one of my future dream solutions for the energy problem.


about the wind turbines, they are built so tall because they will catch the high alitude winds that are virtually constent.

and i dont understand why everyone still pushes so hard on nuclear, when there have been obvious problems, and no set saftey regs.

This post was edited by DViolent on Apr 27 2011 12:13pm
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Apr 27 2011 12:36pm
Quote (DViolent @ Apr 27 2011 06:12pm)
about the wind turbines, they are built so tall because they will catch the high alitude winds that are virtually constent.

and i dont understand why everyone still pushes so hard on nuclear, when there have been obvious problems, and no set saftey regs.


Read up on fusion, and you will understand my hopes.
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Apr 27 2011 12:42pm
Quote (njaguar @ Apr 27 2011 12:12pm)
Are you serious? Okay, go through your house, write down every electrical thing you have in your home, from the refridgerator to your tvs to your toaster to your stove (if electric), oven, heater, computers, cell phone charger, lights, lamps, sockets, everything. Now, once that is done, contact an electrician and ask them to price out how much it would cost to replace the wiring in your home with a 100% DC compatible system. Now, total up all your items and what it'd cost to replace them with a DC version. Total your amount.

Now, do this for everyone in America.

I can't even seriously believe you don't see the ridiculousness in that. Maybe if you're a college student with absolutely no assets or belongings, it would make sense, but for a vast majority of homeowners, this would be an impossibility (especially with todays economy!)

Note: It may be possible to purchase DC->AC converters for each home, but these will be costly up front, and a huge burden on both homeowners and the power companies, which is why it's not practical at the moment.

DC power is also more dangerous for various reasons, especially at the voltages required to run modern electrical equipment.

I'm in complete agreement that our government wastes a lot of money, and should be greatly downsized, so you're preaching to the choir on that one. I am speaking logistics and showing you how impractical these pipe dreams are for our nation.


I don't understand why you're ignoring that fact that this would be in a RESOURCE BASED ECONOMY. NO MONEY.
My main arguement is that the monetary system is holding this back and you're just helping me prove that.
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Apr 27 2011 12:50pm
Quote (MewKitten @ 27 Apr 2011 13:42)
I don't understand why you're ignoring that fact that this would be in a RESOURCE BASED ECONOMY. NO MONEY.
My main arguement is that the monetary system is holding this back and you're just helping me prove that.


I'd love to read your thesis on how our society would merge towards a resource based economy. I'm intrigued to read the compelling arguments you will give to persuade everyone to throw down the shackles of their cash and credit cards, and work on an honor system for a community of one. I'm also curious how you will stop certain people from hoarding resources to become more wealthy and powerful than others, thus resulting in more of the same that we have through any type of economy.

I'm speaking in practical terms, in the here and now. I wasn't aware you were basing your entire argument on a fictional utopia (which I would consider far worse than what we have now, for reasons I already stated).
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Apr 27 2011 12:57pm
Quote (njaguar @ Apr 27 2011 01:50pm)
I'd love to read your thesis on how our society would merge towards a resource based economy. I'm intrigued to read the compelling arguments you will give to persuade everyone to throw down the shackles of their cash and credit cards, and work on an honor system for a community of one. I'm also curious how you will stop certain people from hoarding resources to become more wealthy and powerful than others, thus resulting in more of the same that we have through any type of economy.

I'm speaking in practical terms, in the here and now. I wasn't aware you were basing your entire argument on a fictional utopia (which I would consider far worse than what we have now, for reasons I already stated).


One, the problem -would- be to get the government to start such a transition, but hopefully peak oil would open their minds.
Two, it would be based off of Intelligent Resource Management.
Three, can you really say the monetary system isn't more corrupt than a RBE?
The monetary system is so corrupt it's ridiculous, a RBE with a IRM could not possible be more corrupt than that.
A very small part of the population hold most of the wealth -.-
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