Siso
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Everything posted by Siso
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Maybe we should put some of the global warming budget into it. Trains are efficient when you work out the tonnes of freight/ litre of fuel.
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What we forget is that although China is building heaps of intermittent generation, it is also building a lot of synchronous generation as well.(includes traditional hydro) It will include enough capacity to keep the grid stable. China aren't silly. Really like this comment. By all means decarbonise but don't make Australia a basket case to do it. Do it in a planned, sustainable way. It will make no difference to global warming. The other countries with low emissions should do the same thing.
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What has that got to do with the price of bread? Had a house hold pump break down on the week end, That has no highly loaded bearings OR rapidly reversing loads etc in an electric Motor. Reciprocating motors are just trying to fling themselves apart and have Large Pressures and thermal stresses. and critical Lubrication issues" either but it still broke down. Welcome to the world of mechanical apparatus!
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I know you wont like the source but here is another view.https://www.cis.org.au/commentary/video/the-csiro-report-that-proves-coal-is-cheaper-than-renewables-zoe-hilton/ Why has every country that has gone the intermittent generation got the most expensive power? Germany, Denmark, UK. Which countrys successfully are transition to net 0 with intermittent energy have cheaper power. Real world situations arent supporting the modelling. The modelling can be made to look like anything the government want it to be. The ISP has nothing to do with cheapest energy, just cheapest way of doing government policy. CSIRO give 30 years of life for a nuclear plant which is just plain wrong!.
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Bled 100s of diesels, not that hard, bit messy though. Electric cars will have problems as well, the manufacturers will see to that. They make a lot of their money on spare parts. They still have motors, bearings, gearboxes, power electronic components
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Again people are looking at just the cost of one part of it like the whole intermittent thing. eg intermittent energy is the cheapest form of electricity which it is until you start adding the storage, extra transmission etc. etc.. As we get more electric vehicles the charging stations are going to get bigger. If you have say 10 350kW chargers at a station that's a maximum demand of 3.5 MWs. The wind farm I worked at had 3MW turbines, we had 3 phases coming down an 80m tower of 70mm2 copper at 33kV (Vestas have their transformers in the nacelle.). 9 wtgs(27MW) in a string had 500mm2 aluminium going back to the Sub. At lower voltages you need bigger cables. The current distribution network will have trouble coping with the extra load. You could put battery's at the charging station to buffer this a bit or reduce the output of the charger , but there goes your cheaper than a petrol station and fast charging. Still like electric cars by the way. It is the way of the future but like net 0 it is not going to be as easy or cheap as it first appears.
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Saw a Tesla being towed on youtube and it was actually charging the battery. Not sure if it was a real thing though.
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Run a diesel out of fuel and you only need to wait for someone to come by in a diesel or have some diesel. Run out of power in an electric car and you have to wait for someone to come by with a generator who has time to sit there while your car gets enough charge to get to the next charger. Reckon I know what i would rather. Most diesels aren't that bad to bleed if you know what you are doing. Messy though.
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It needs to be economic to recycle the blades. if it doesn't make money it will not happen. This is not just limited to wind turbine blades either. i can't see the 2 (3 if you include the old wtg) sets of wtg blades at Coober Pedy getting done. Probably be buried in the desert somewhere. If they are not cut up on site, transport to a recycling depot would be very expensive. Especially with the size of modern blades.
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Gina may support ON a lot but they are all owned by someone, to the extent they get jobs after politics in fields they use to oversee. ON is not special, just gets a bit more attention because the major partys are feeling a bit threatened.
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Drove a Tesla model Y?. Probably the most powerful car I've driven. 4WD is a cool thing. If I lived 50km closer to the city, it would be a no brainer to get an electric car. see a lot on the open roads between Port Augusta and Port Lincoln.
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Coal fired do have upgrades and maintenance during there life as do wind turbines and then replaced every 30 years. Every machine needs maintenance! You could build a coal fired power station but you miss out on all the government mandated subsidy's. Will the last person out of Australia turn off the lights!
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Yes it would, but it would also last for years to come, not changed out every 30 or so.
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France, US, Sweden (except for the south of the country where exporting to Germany has artificially raised them). Thats answering a question with a question nd all we hear from our intermittent supporting is that intermittents are the cheapest form of electricity. We don't need new infrastructure to stay where we are except if the population increases, just maintenance or replacing existing as it wears out. We are building a lot just for the intermittents.
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Cheaper would be to replace coal fired power stations with new coal fired plants in a controlled manner. Nuclear would take a long time but newer reactors will last a long time and be cheaper in the long run. Best time to plant a tree was 20 years ago, second best is today. The problem is we aren't just adding renewables, we are adding intermittent renewables. If we replaced our coal with new coal and gas we don't need battery's (although some would be beneficial) extra transmission, artificial inertia etc it would be cheaper.
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tell me anywhere in the world with a high penetration of intermittent generation that has cheap electricity to the consumer. Coal use to be reliable in Australia. It is now seen as a way large energy company's can make money from our stupid ideological government. They won't give them proper maintenance, they don't care about Australia's energy security and they will threaten to close them down and the government will pay to keep them open (Eraring) or in SA's case, pay some diesel generators to come out of moth balls for the summer period. If the grid is run properly you have enough overbuild so if one drops out the others have the capacity and inertia to take up the slack. Pretty basic redundancy thought process like aircraft have. Germany has 170GWs of installed solar for a max grid demand of 60 odd GWs and they still import power from France, Sweden and burn brown coal(one of the the most polluting of fuel sources) I am not a fan of coal. I think Nuclear should be seriously looked at and am sick of all the misguided hype about weather dependent intermittents. Electricity to the consumer has gone up over 30% in the last 12 months and old mate bowen is still saying how cheap the wholesale price is. Also saying that wind and solar don't care about the overseas conflict, but any spare part for a wind turbine does. I had real time experience with this during Covid. Hydro and geo thermal are the gold standard if they are readily accessible. Prove me wrong!
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Tell me anywhere in the world where a large penetration of intermittent generation has made energy cheaper, stay the same or rise at the rate of inflation. I haven't studied the WA situation , but a quick read sounds like they are getting more intermittents and they still need the coal because the wind doesn't always blow or the sun shine.
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Then we could add the extra shots they put in the we heard from the helicopter footage during the war. Something we would expect other broadcasters to do. This is not acceptable from our taxpayer funded national broadcaster. What else have they mislead us about, but haven't been caught out yet?
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The ABC's Sarah Fergusons fact check about renewables don't make electricity prices more expensive delivered to the consumer.. Of course they do. An intermittent source of electricity requires a lot of extras including the energy company's not being sure on what income they are going to get from there assets so the price goes up. The non intermittent generators which we still need have had there production cut but they still need to cover there costs and profit margins so they put there prices up to cover worse case scenarios, again because we can't really predict whats going to happen with the weather and there is all the extra infrastructure that is needed. Name me one country that has had their electricity prices stay the same when they introduce large amounts of weather dependent generation? I think I saw Australia's price increased 30 % in the last 12 months or so and heard on the radio this morning that AEMO are about to announce the next supply charge rise. So yes the ABC is not any better than any other broadcaster.
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And none of the other politicians and partys are backed by major companys/countrys. Sound pretty hypercritical to me!
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So you are worried about an Australian making money from our resources. What about all the overseas interests. Most of the money we spend on electricity goes overseas as well. I think you need to get your priorities realigned.
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Hmmm the ABC!
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Nuclear works!!! Well known that green h2 has a lot of challengers, not really a promising technology yet. Round trip efficiency is not that good either.
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But should state governments be putting money into it? They are funding a hydrogen department as well as putting money into the plant as well as having a HV switchyard built.(Nice and shiny as it glitters in the sun)
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No-one has ever really got green hydrogen right. Information is readily available that it is a lot harder then the lobbyist say it is. Someone dropped the ball.
