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Search: Posts Made By: Travis
Forum: PC Power Supply Discussion 1 Week Ago
Replies: 88
Views: 1,981
Posted By Travis
Now every flagship PSU has 10-12 year warranty. 7...

Now every flagship PSU has 10-12 year warranty. 7 year of operation isn't old age at all.
Forum: PC Power Supply Discussion 1 Week Ago
Replies: 17
Views: 407
Posted By Travis
Who required or recommended that? Intel or...

Who required or recommended that? Intel or someone else?
Forum: PC Power Supply Discussion 2 Weeks Ago
Replies: 35
Views: 1,067
Posted By Travis
If you hot-plug the EPS12V 8pin connector to the...

If you hot-plug the EPS12V 8pin connector to the motherboard, it probably cause a surge on the +12V rail, and make some damage to the components nearby.
Forum: PC Power Supply Discussion 3 Weeks Ago
Replies: 6
Views: 307
Posted By Travis
When did they stop paying incentives?

When did they stop paying incentives?
Forum: PC Power Supply Discussion 3 Weeks Ago
Replies: 10
Views: 664
Posted By Travis
After all you save a couple thousand bucks and...

After all you save a couple thousand bucks and still get a certification this way.
Forum: PC Power Supply Discussion 3 Weeks Ago
Replies: 6
Views: 307
Posted By Travis
Does 80Plus program pay incentives to PC manufacturers?

This document (https://www.plugloadsolutions.com/documents/80PLUS_PLC-DSC.pdf) on 80PLUS official site says:





My questions are:

1. Are the sponsors (electric utility companies) still...
Forum: Electronic Theory and Principle 4 Weeks Ago
Replies: 6
Views: 371
Posted By Travis
The common single phase APFC uses a boost...

The common single phase APFC uses a boost converter to shape the input current waveform in a way that current follows the (rectified) input voltage in shape, which is a half-sine wave theoretically....
Forum: PC Power Supply Discussion 08-15-2018
Replies: 14
Views: 781
Posted By Travis
A noisy output from the PSU will make the input...

A noisy output from the PSU will make the input filter caps on your hardware age slightly faster, since ripple current causes a bit of heat inside the electrolytic caps.
Forum: PC Power Supply Discussion 03-27-2017
Replies: 55
Views: 10,841
Posted By Travis
It's such a waste to put this expensive PSU in a...

It's such a waste to put this expensive PSU in a rig. The best use of it is to display it in a shelf.
Forum: PC Power Supply Discussion 03-27-2017
Replies: 55
Views: 10,841
Posted By Travis
The thick wires carry +12V current from SR card...

The thick wires carry +12V current from SR card to the modular connector board, and the secondary ground return current goes thru the copper bars on the modular board to the main board (most of which...
Forum: PC Power Supply Discussion 04-15-2016
Replies: 14
Views: 3,731
Posted By Travis
Insects at the users' home. They're often seen in...

Insects at the users' home. They're often seen in southern China.
Forum: PC Power Supply Discussion 04-08-2016
Replies: 14
Views: 3,731
Posted By Travis
Foam covering the primary side is used to keep...

Foam covering the primary side is used to keep the insects away from high-voltage traces.
Forum: PC Power Supply Discussion 10-10-2015
Replies: 23
Views: 7,844
Posted By Travis
Someone at ATNG designed the platform for YueLin,...

Someone at ATNG designed the platform for YueLin, personally, I guess.
Forum: Testing Methodology Discussion 10-10-2015
Replies: 29
Views: 9,785
Posted By Travis
The voltage on the bulk capacitor has ripple at...

The voltage on the bulk capacitor has ripple at ~100Hz (2x the line freq). Since the DC/DC stage has a limited ripple suppression ratio at this frequency, part of that ripple may go through the...
Forum: PC Power Supply Discussion 04-28-2015
Replies: 8
Views: 2,579
Posted By Travis
Situation for Enermax PSUs just gets back to...

Situation for Enermax PSUs just gets back to several years ago. Enermax designs their own PSUs and buy the components. The OEM factory (CWT or Sirfa here) assembles the PSUs.
Forum: PC Power Supply Discussion 02-12-2015
Replies: 35
Views: 9,017
Posted By Travis
Don't forget the identical printing on the...

Don't forget the identical printing on the modular connector panel...
Forum: PC Power Supply Discussion 01-31-2015
Replies: 30
Views: 5,120
Posted By Travis
Andyson have a reputation for making a 80Plus...

Andyson have a reputation for making a 80Plus Bronze unit which is claimed to be 80Plus Gold.
Forum: PC Power Supply Discussion 01-31-2015
Replies: 30
Views: 5,120
Posted By Travis
And get screwed by the Andyson factory one more...

And get screwed by the Andyson factory one more time?
Forum: PC Power Supply Discussion 01-27-2015
Replies: 25
Views: 17,494
Posted By Travis
Yet another entry-level product besides S12-II...

Yet another entry-level product besides S12-II Bronze.
Forum: PC Power Supply Discussion 01-27-2015
Replies: 25
Views: 17,494
Posted By Travis
Since load on +3.3V rail is now part of the +12V...

Since load on +3.3V rail is now part of the +12V load...
Forum: PC Power Supply Discussion 01-20-2015
Replies: 56
Views: 8,928
Posted By Travis
Caps are connected parallel with the load, which...

Caps are connected parallel with the load, which means, if the caps have effective parasite resistance (caused by leakage current), it only add a tiny bit of load to the power supply.
Forum: PC Power Supply Discussion 01-18-2015
Replies: 56
Views: 8,928
Posted By Travis
Caps affect ripple/noise and dynamic reponse...

Caps affect ripple/noise and dynamic reponse performance, but don't affect load regulation.
Some PSU designs have dedicated secondary caps for each rail (Antec HCP1000, Seasonic X/P series, some...
Forum: PC Power Supply Discussion 01-17-2015
Replies: 2
Views: 1,326
Posted By Travis
Why did these 2 budget FSP units fail in Hardware.info roundup?

http://uk.hardware.info/reviews/5777/3/500-550-watt-power-supplies-review-40-models-tested-maximum-load

The maximum stable output of FSP500-60APN and FSP Hyper 500W is only 400W.
Forum: PC Power Supply Discussion 01-17-2015
Replies: 13
Views: 3,062
Posted By Travis
Normal PSUs operate at peak efficiency at about...

Normal PSUs operate at peak efficiency at about 50% load. Some are at about 30-40% load. Fanless PSUs (and Military/Aerospace power modules) are often at peak efficiency at higher load or maximum...
Forum: PC Power Supply Discussion 12-18-2014
Replies: 15
Views: 7,104
Posted By Travis
In SR design a certain amount of dead time is...

In SR design a certain amount of dead time is usually necessary to prevent the FETs from cross-conduction. So in theory an SBR in parallel with the body-diode of freewheeling FET helps efficiency....
Showing results 1 to 25 of 500

 
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