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Advice Please On A PSU

Featured Replies

  • Author
39 minutes ago, Rob_Ainscough said:

Forgot to mention, highly recommend using a UPS for any electrical PC related connections.  Power consistency in our new location is not so great circa 2003 ... under high loads in P3D or XP (usually Orbx and PMDG/FSLabs and heavy weather) my UPS kicks in to keep load requirements consistent and compensate for line droop.

Sadly single 15A line.

Cheers, Rob

As an ex-UK resident, Rob, wise words,but in the 30+years I have lived in this house, the only time we have ever experienced a power outage was when a very heavy thunderstorm hit a local sub-station.Since then, more than over a decade ago, nary a supply line trip. Fingers crossed🤞

Rick Almeida

  • Author
16 minutes ago, Rob_Ainscough said:

I wasn't referring to power outages, I was referring to drawing more power than home circuits can supply on single line ... on the edge of triggering a fuse ... under such high loads the voltage drops on the home line.  Example in the US what might normally be 116V on input line when the loads increase that may drop to 101V or less ... a good UPS will kick-in to bring the power backup to 120V (or close to).  This varies based on how well the home is built and power to home, whats on the single line, etc. ... so not really a power outage, just high loads causing line droop.  A good UPS and line conditioner will ensure enough clean power is being provided in high line load conditions.

It may or may not apply to you or you may not care, just passing along my experience.

Cheers, Rob.

Far from not caring, it is a very valid alert you do raise. I have used and made sure I did have a back-up UPS when abroad, where power tripped quite often, and I also see the link to home circuits, fuse triggering, etc. I was merely countering that it did not particularly appertain to me. but that in no way reduces the highlight you rightfully raised.

Rick Almeida

3 hours ago, vc10man said:

As an ex-UK resident, Rob, wise words,but in the 30+years I have lived in this house, the only time we have ever experienced a power outage was when a very heavy thunderstorm hit a local sub-station.Since then, more than over a decade ago, nary a supply line trip. Fingers crossed🤞

As an indonesia (East Java) resident I have a similar experience in reverse.

I cannot recall the last time in which I had electricity, water and Internet at the same time for a full 24 hours. (at least six months ago) I can only dream of your conditions.

Tony

Tony Chilcott.

 

My System. Motherboard. ASRock Taichi X570 CPU Ryzen 9 3900x (not yet overclocked). RAM 32gb Corsair Vengeance (2x16) 3200mhz. 1 x Gigabyte Aorus GTX1080ti Extreme and a 1200watt PSU.

1 x 1tb SSD 3 x 240BG SSD and 4 x 2TB HDD

OS Win 10 Pro 64bit. Simulators ... FS2004/P3Dv4.5/Xplane.DCS/Aeroflyfs2...MSFS to come for sure.

  • Author
26 minutes ago, himmelhorse said:

As an indonesia (East Java) resident I have a similar experience in reverse.

I cannot recall the last time in which I had electricity, water and Internet at the same time for a full 24 hours. (at least six months ago) I can only dream of your conditions.

Tony

I had that, Tony, every single day, when I was on long term vacation in India. And the outages could last from a 1/2 hour to over 5 hours😡

It's a daily hazard suffered by locals and tourists too. And it's not just limited to electricity. Add water to it too, yet the same country can spend a vast amount of its GDP on defence. Aircraft carriers, submarines, etc, etc.Fighting whom? I'll leave you to guess. A complete joke. No wonder it's called the Third World!

Rick Almeida

Rick,

YAY ... somebody who understands.

Our problem is not defence spending so much.

It all starts because basically nobody except medium to large businesses and people who have money in the bank do not pay taxes regardless of income. 

This means no money for infrastructure, which was mostly put in place by the Dutch before Independence, and poorly maintained since.  We have reports of kids flying kites with cotton strings breaking steel electricity cables. 

Then you can add in the corruption component and all of the above leads to no real surprises "why" but does not lead to any positive steps to rectification.

The really surprising thing is that, as an Australian expat, I actually choose to live here.  Human nature????

regards

Tony  

Tony Chilcott.

 

My System. Motherboard. ASRock Taichi X570 CPU Ryzen 9 3900x (not yet overclocked). RAM 32gb Corsair Vengeance (2x16) 3200mhz. 1 x Gigabyte Aorus GTX1080ti Extreme and a 1200watt PSU.

1 x 1tb SSD 3 x 240BG SSD and 4 x 2TB HDD

OS Win 10 Pro 64bit. Simulators ... FS2004/P3Dv4.5/Xplane.DCS/Aeroflyfs2...MSFS to come for sure.

  • Author
10 hours ago, himmelhorse said:

We have reports of kids flying kites with cotton strings breaking steel electricity cables.

That's because if they are as savvy as kids in India who also fly kites and have 'kite wars' with other neighbourhood kites in the air, they crush soft drinks bottles glass into a powder, mix it with rice glue, then spread it on their kite strings, and it is that abrasive glass-embedded strings that severs through overhead power supply lines.

10 hours ago, himmelhorse said:

The really surprising thing is that, as an Australian expat, I actually choose to live here.

On my way to Perth at a stop-over in Medan, in the late 90s, an Aussie who worked in the oilfields in Indonesia, told me a tale of a recently-crashed LionAir 737 and how within hours locals were flogging belongings salvaged from the dead in that crash to the oil workers camp. How ghoulish!

Or of the time he was on an internal ATR and how the left side prop came off and sliced through the cabin literally yards from where he was sat. But he was still typically Aussie, pretty stoic about it. Hats off to him!

That recollection by him perhaps shed light why Indonesian carriers were banned for a while in European skies.

Rick Almeida

Rick.

I have never seen a kite war here.  The reason that string cuts steel cable is a total lack of any form of maintenance since 1947 or whenever the Dutch left here. If it aint broken yet, why fix it???? 

I have been standing on my street (I use the word loosely LOL) and watched as a cable just snapped and entirely without the assistance of kite strings too.

Most Indonesians are really so poor ... absolutely no welfare here, and I have heard of bridges collapsing because the locals steel the bolts at night for sale as scrap metal. Long time ago I must admit but there are so many similar stories.   

I see things like this and my favourite expression comes to the fore ...  T.I.I (This IS Indonesia) 

Despite all the trials and tribulations, this really is a fabulous place to live and the people are absolutely great.  I now, and for some time, call Indonesia. Home and I am happy to do so.

Regards

Tony

 

Tony Chilcott.

 

My System. Motherboard. ASRock Taichi X570 CPU Ryzen 9 3900x (not yet overclocked). RAM 32gb Corsair Vengeance (2x16) 3200mhz. 1 x Gigabyte Aorus GTX1080ti Extreme and a 1200watt PSU.

1 x 1tb SSD 3 x 240BG SSD and 4 x 2TB HDD

OS Win 10 Pro 64bit. Simulators ... FS2004/P3Dv4.5/Xplane.DCS/Aeroflyfs2...MSFS to come for sure.

18 hours ago, Rob_Ainscough said:

I wasn't referring to power outages, I was referring to drawing more power than home circuits can supply on single line ... on the edge of triggering a fuse ... under such high loads the voltage drops on the home line.  Example in the US what might normally be 116V on input line when the loads increase that may drop to 101V or less ... a good UPS will kick-in to bring the power backup to 120V (or close to).  This varies based on how well the home is built and power to home, whats on the single line, etc. ... so not really a power outage, just high loads causing line droop.  A good UPS and line conditioner will ensure enough clean power is being provided in high line load conditions.

It may or may not apply to you or you may not care, just passing along my experience.

Cheers, Rob.

 

I suspect this is more of a US issue. Never had a UPS here in the UK. In decades. No issue. 

I use a 1.5 design factor when I size my PSUs, so if I expect to see 500VA at the wall, I want a minimum 750VA-rated PSU.  I don't use watts, which fails to account for the AC line load power factor.

The price differential between PSUs in the 600-900W range is pretty small.  When there's an option, I prefer to overspec the PSU some.

In my 9900K portable rig I used that Corsair RM850 PSU referenced by the OP upthread.  I think it was ~$15 more and maybe 4 oz heavier than their 750.

Bob Scott | President and CEO, AVSIM Inc
ATP Gulfstream II-III-IV-V

Sys1 (MSFS20+24/XPlane12+11): AMD 9800X3D, water 2x240mm, MSI MPG X670E Carbon, 64GB GSkill 6000/30, nVidia RTX4090FE
Alienware AW3821DW 38" 21:9 GSync, 2x4TB Crucial T705 PCIe5 + 2x2TB Samsung 990 SSD, EVGA 1000P2 PSU, 12.9" iPad Pro
Thrustmaster TCA Boeing Yoke, TCA Airbus Sidestick, Twin TCA Airbus Throttle quads, PFC Cirrus Pedals, Coolermaster HAF932 case

Sys2 (P3Dv5/v4): i9-13900KS, water 2x360mm, ASUS Z790 Hero, 32GB GSkill 7800MHz CAS36, ASUS RTX4090
Samsung 55" JS8500 4K TV@60Hz,
3x 2TB WD SN850X 1x 4TB Crucial P3 M.2 NVME SSD, EVGA 1600T2 PSU
Fiber link to Yamaha RX-V467 Home Theater Receiver, Polk/Klipsch 6" bookshelf speakers, Polk 12" subwoofer, 12.9" iPad Pro
PFC yoke/throttle quad/pedals with custom Hall sensor retrofit, Thermaltake View 71 case, Stream Deck XL button box

Sys3 (DCS/P3Dv4/ATS/ETS): AMD 7800X3D, MSI MPG X870E Carbon, Noctua NH-D15S, 64GB GSkill 6000/30, EVGA RTX3090
Alienware AW3420DW 34" 21:9 GSync, Corsair HX1000i PSU, 4TB Crucial T705 PCIe5 + 2TB Samsung 970Evo Plus,
TM TCA Officer Pack
, Saitek combat pedals, TM Warthog, TM RS300 FF wheel/pedals, Coolermaster HAF XB case

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