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rmpfyf

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About rmpfyf

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  1. Eth is very electrically noisy. Not sure the solution is a LPS though, Swenson had some commonsense notes and data to these ends.
  2. @dbastin There is nothing tried and true in an audiophile power sense that works in any and every situation. What are your power problems or opportunities for improvement? I'm not suggesting that there aren't audible gains to be made, just that people engineer solutions to the problems you have every day. Engage them accordingly. Some do create products in the audiophile market but none of the more serious ones would claim blanket improvements, or that you shouldn't baseline your performance first. And really, a top-down approach works - out of interest, do you have IECs in your power chain? But start with great earthing and a bunch of other fundamentals - if you're not sure here, engage a power systems professional. Many with high-quality audio outcomes do, whether in professional broadcast, recording or playback. It's interesting that many of us will spend thousands, tens of thousands or more on the promise of a brand but zip on services. Maybe it's a market thing. Sure, but we don't need them either if you're after a performance outcome. Knowledge is blanket shareable, though it can cost. That invite to PM is still there.
  3. Working on a home presently with a 96-pole main board and multiple subs. Quite impressive. Seeing more and more 'average' homes with larger boards to accommodate all sorts of stuff. Never underestimate the capacity of garden variety light and power dills to not trace a circuit Sure, though (I'm thinking I've misunderstood something here) the current upstream is effectively regulated nonetheless, with a smaller contact on your 20A breaker, 10A rated GPOs, etc...
  4. My sparkies are also industrial sparkies. 24 pole boards are small Would suggest most will view that as a sub, even if it doesn't sit in a sub board. If you want to play by the letter of the law the suitable breaker for a 4mm wire depends on a number of factors - distance, size of earth... there's a bunch of de-rating factors. You've got a circuit within your MSB where the maximum safe current determined at installation is ambiguous - you know that there's a 40A RCBO on a wire rated to 20A and duly protected, but the next person in your home? 'That's a 40A circuit, we'll do a takeoff from that'? Don't get me wrong, I like the intent and those 40A parts cost a packet now if you can even find them (can't imagine they were cheap back then either), and I think that stuff like this (getting your reticulation right) anyone should do before investing in power regenerator whatever. Circuits should have single protections per type is the intent of the law, and same type protections (particularly current) should diminish from supply point to appliance providing clear delineation of what went wrong where - I'd personally not commission a board done differently without extreme justification.
  5. Given recent changes in wholesale energy rates, everyone should be shopping around if they've not changed their rates in the last few months.
  6. Would suggest a focus on achieving an outcome and not a product solution. If your outcome is getting 'audiophile' cable into a wall then no, and there are a ton of reasons what you've linked shouldn't work here - most on safety and procedural grounds which have a lot of merit. Australia makes no apologies for having safer mains reticulation standards than the US If you want an audiophile-grade outcome then yes, much is possible. For instance, a 10AWG cable as per one of those links is a ~2.5mm diameter conductor. If we're comparing the net conductivity of a e.g. silver 2.5mm (at IACS 105% conductivity) vs a 6mm bog-standard copper cable from any electrical cabling stockist... the 6mm cable is going to absolutely smash it. At much less cost. Run 16mm if you want! 25mm earths! All is possible. Want to insulate against RFI? Braided sleeve, completely legal. Want to protect against magnetic interference? Mu metal channel, also completely legal (both if done correctly). The measurable performance of these outcomes (to electrical termination - what you might hear is another, downstream matter) will match or exceed any 'audiophile' solution. Want more contact on any connectors? Larger plugs and sockets, there is nothing requiring usual 10A GPOs. It goes on and on. This logic is applicable to any part of your reticulation. What is an audiophile-grade outlet? What does it do? Break that down - or find someone that will - and there are be solutions. If you're serious about solutions there are people I can pass on that are not inexpensive but absolutely do this sort of work and the outcomes are proper. Engineered. Measured. Compliant. They're power systems specialists. But if you want to be able to say the wire in your wall is made by audiophile brand x, then no.
  7. Wire capacity must be matched to breaker capacity, not the earth leakage current, and sub circuit sizes cannot exceed their parent circuit's capacity - a 40A breaker downstream of a 20A RCBO is not permissible.
  8. Theres no such thing as an audiophile grade in wall cable. There are various types of cable you can use for the same current capability that are mains approved if you know what you’re looking for. There is treatment for radiated noise also. Our GPOs have more contact area on earth than US GPOs and at lower current. Physics suggests we win. Want more contact? Go larger connectors. Copper busbars exist, again a good specialist power systems contractor can refer you here. Not inexpensive though. Breakers and RCBOs I’d suggest just need appropriate sizing to wire capacity if worried about conductivity. You can go large. Would worry more about earthing quality beyond isolated circuits among what you can control within financial ease. Happy to refer specialists via PM though be prepared to spend big. @Red MacKay the breaker arrangement you suggest is likely illegal. Up to $600 or so is about right for a mains reticulation to point of connection from your DNSP.
  9. That VW tidbit is part of a much longer story @betty boop. When cobalt levels come down to a level VW is happy with, watch for the volume onslaught. The team at NorthVolt are very good people. Some will argue they sold out early. PSA news is a few days old now. Will be interesting to see how much traction CATL get in the global market, they're growing very aggressively.
  10. Bullshido. The local industry was subsidised for a good bit there. The only real hybrid vehicle we had here as a tangible option was very subsidised by the government here, and each one was sold at a loss. Why? Because it was deemed a good thing to have in state and federal policy. Most auto companies here run their passenger vehicle divisions at a loss, so anyone thinking that auto companies are getting quietly excited about selling EVs at competitive prices at an even greater loss is kidding themselves. A lot. And not listening to any automaker's constant refrain of 'with a little help it'd be a shedload easier to get these cars out here - we're not asking for a free ride, just some policy direction to tip the balance'. Been in product planning meetings a good bit and every single time a PHEV/EV/whatever choice comes up the same question comes - it costs more, and where that coming from. And every vehicle charging network project that got up in Australia was done completely without government help oh wait that's wrong too. Government money there too. Maybe the energy that goes into them that makes EVs a reality can be created without government subsidy nup no that's incorrect, there's policy and investment distortion everywhere there too because someone gave a crap about CO2 at a global level and we thought it a good idea to get relevant. Could build more coal, could build a lot more hydro and fill our cars out of that. But if we focus on today's cars there's none of that gumph and you're probably right about there being no govt help around the cars we enjoy that are cheaper and more affordable than ever, they're not made here so there's no build subsidies, right? I mean they're from China, Japan, Korea, Malaysia, the USA, Thailand, these are the countries whose exports really really ramping auto price and competitiveness in Australia... and ah ***, they've all got free trade agreements with Australia. Seems a bit of a furphy, albeit a well-intended one. Government intervention is everywhere. That's what governments do - pick things best in our interest (with variable accuracy) and lead accordingly. All that's being discussed is some leadership in low-CO2 transport. Whether it's CO2 policy, direct subsidy, adjacent stimulus... really doesn't matter. Leadership counts - I'd suggest that's @proftournesol's point.
  11. Tesla's major battery cell competitors have been owing raw materials supply chains for decades. Of more concern is that they don't have supply - Panasonic has essentially walked, and they're left finding new partners. EVs won't soon become cheaper than ICE in a wholesale manner - that's why we need policy. In some cases because transmission and distribution losses are real, and/or because the cost of the power interface is significant, and/or because limiting net demand is the key determinant of distribution network costs - themselves the main driver of energy cost increases the last 15 years. Large storage is likely to win in the mid to long term though not for the reasons you suggest. All for large storage. It's only broadside arguments that lose out.
  12. Prove it. Suggesting that EVs are a small fraction of vehicle sales doesn't mean take up is good or bad. Relative to supply it's doing pretty well. Bar a few MY2012 Nissan Leafs in Australia there's no one in the EV business of any significance globally with a stock of vehicles they can't move. Take up of luxury sedans must be pretty piss poor by your benchmark also, and yet no one making them is complaining. So? Doubling back on yourself there - unless you need a boom uptake, EV growth doesn't need a quantum leap in affordability or additional infrastructure. Plenty of people with homes have reticulated power enough to drive EV uptake to suit their range needs. It's not everyone - but we're not talking a boom here - though it's more than significant enough a percentage of the population to sustain uptake at a higher rate than what we're seeing now. Now why don't we have the cars? We'll get back to 'where are the cars' and deal with morons first, then. There is no other sector that seriously generates or consumes power in the country that does not have CO2 based incentivisation. None. With good reason. CO2 costs money. Avoiding it saves money. It's really not hard. 'Our power' doesn't always come from CO2 intensive sources either. It's getting better and in most states you're better off with an EV over life of vehicle. We neither bake policy without considering future trajectories - there's plenty already in place to judge being 'honest about where our power comes from' in a CO2 sense that more than justifies electrification. Go on, run the numbers. (I remember a post somewhere about playing ball and not the man). So we don't have cars because they cost money - duh - and because we have no way of making them cheaper - which you keep skipping over, and which happens in every market where EV sales continue to grow. We used to have ways of making the cars we made here cheaper and even that dried up relative to global levels. The incentives to increase access to EVs - or any technology, from EVs, PHEVs, low-sulphur fuel, FCVs, whatever - are primarily there to increase access, to drive volume and research into technology development, and to drive further price reduction which then increases access again. This continues to the point the market is self-sustaining. You're arguing for Australia to get a free ride here. Which is BS. As we've witnessed in pretty much any other vehicle technology we've invested in as a taxed public, good investment nets just rewards and growth. Why should EVs be any different? You're not wrong about removing the LCT, though it doesn't have to be that harsh. There are many markets where EV uptake in incentivised below an affordability price point. It's led to some interesting models - cars with short range or limited feature sets, for argument's sake - though it's possible to drive uptake without behind black or white about the merits of a given policy approach. CO2 policy doesn't need to tax anyone either. If a vehicle manufacturer had to meet a CO2 target or pay penalties or be 'supercredited' for ZEVs, guess what happens generally: They take a haircut on getting ZEVs to market Prices don't go up at the low end of the market because that'd seriously impact profit Prices tend to increase modestly at the top/luxury end of the market... which is less price sensitive generally regardless This has worked in oooooo all of the EU and North America. Just fine. No taxes, just a slight margin haircut for vehicle sales and some price redistribution at the top end. On the other hand if there's no... what was that word you used - moronic? - approach to incentivise low/no CO2 options to market, then the following happens: They come in as fringe models only with weak market outlook given low market access, Homologation costs - broadly fixed - are spread over a small number of vehicles, and Their price goes up even further, leading to the same vehicles costing a ton in Australia relative to what they do overseas... ...whilst fleet CO2 decreases at a rate consistent with hand-me-down technology only and out of step with the rest of the world (in short, we get crappier tech for our money) If you want to just wait for the tech to get cheaper to a point of mass affordability with zero investment in increasing access - whether through policy or otherwise - you're going to be waiting a long while. And, if commentary is anything to go by, still posting here about how piss poor our state of affairs might be. We have infrastructure. If you look outside and see poles and wires, you're staring at the infrastructure. It'd need a few tweaks if every car went electric tomorrow, just as it would if every home got off gas tomorrow and every industrial process electrified tomorrow... just the transport industry penalty for electrification is a lot, lot less than residential and commercial needs. Yes, not everyone's got a garage enough to knock in an EVSE of their own. Some need more range anyway. And that's not everyone. Far from everyone, actually, and there's more than enough people left to justify getting the EV party started. You're great at critiquing what we don't have, though criticism is cheap - there's enough that we do have that makes sense enough to start on increasing access. If you want DC fast networks well guess what... they're getting built. Public and private. It's happening right now. You're not the only one having worked in the industry at length here, so hopefully you'll allow a few others to contribute valid opinion. Tesla's latest is affordable for many. And for many less in our country. Why's that so? Hint: it's not the car. Anyone running a gauntlet of arguing that range isn't long enough, infrastructure isn't here enough and the cars aren't cheap enough is looking for a unicorn that doesn't exist without a quantum leap in technology. It may come - solid state batteries are promising, for one - and even then, it'll need incentive and help to come to market... which you're adamant we shouldn't provide in any way, shape or form. Easy being a wholesale critic - they'll always be right - won't get the cars though. Questions around what the right and fair things to do to get the cars going are (more than) fair game. Could just as easily apply your doomsday arguments to electrification of road-going mass public transport. Or road freight, which is comparable to public transport for carbon footprint here. It's easy to sit back and say it's too hard. You keep insisting it's about subsidising the car manufacturers. Not necessarily so, and I'd happily vote for a government that worked to increase access to low CO2 transport whilst keeping investments within the country. I'm sure many would too. But none of that's helped with all-or-nothing arguments that paint any change to the status quo as socialist, subsidy or favouring the rich. Totally fair to point out that these are things to be avoided, that change needs to be as fair and reasoned as possible. But wholesale criticism? Moronic stick, that one.
  13. Then KillerDAC. You won’t get more bang for buck. Ever. Can run I2S to 192kHz or simultaneous to 384kHz. Plenty of choice among USB interfaces if that’s your thing. Can be built to most input configurations, and spending some on clocking options goes a long way. Neither expensive for what it is. Unless you need balanced outs or native DSD, it’s freakishly awesome under $10k.
  14. There isn’t a sigle petrochemical without significant investments in electrification- this started 10-15 years ago.
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