Test Setup, Hold-Up Time, Inrush Current, Peak Load, And Short Circuit Protection Test
Test Hardware | |
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AC Source | Chroma Programmable AC Source 6530 |
Power Meter | Yokogawa WT210 Digital Power Meter |
Loads | 4 x 600 W Chroma 63306 for 12 V testing4 x 300 W Chroma 63303 for 5 and 3.3 V testingusing Chroma HighSpeed- DC Load Mainframes 6334 |
Oscilloscope | Tektronix DPO3034 Digital Phosphor Oscilloscope (300 MHz) |
Test Procedure | |
Voltages | 110 and 230 V |
Standby Power | 0.25 A fixed current to simulate PC standby power on 5 Vsb |
80 PLUS Efficiency Testing | 100/50/20% load, relative to specified total output Load distribution across 12/5/3.3 V rails at the same proportion as specified for 100% testing at 110 V according to ATX 2.3 specification |
Efficiency at Fixed Loads | 25, 50, 85, 300, 500 W loads Load distribution across 12/5/3.3 V rails at the same proportion as specified for 100% |
Peak Load Test | 110% Overload Testing at maximum combined 12 V |
Temperature Test | Air intake vs. Outtake temperature delta tracking highest delta during all tests |
For more test data about these three and other power supplies, please refer to our power supply charts.
Hold-Up Time, Inrush Current, Peak Load Test, and Short Circuit Protection Test
Short Circuit Protection Test at 12 V | |
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Power Supply / Mains Voltage | Test Passed |
Seasonic X-460 (115 V) | Yes |
Seasonic X-460 (230 V) | Yes |
be quiet! Straight Power E9 CM 480 W (115 V) | Yes |
be quiet! Straight Power E9 CM 480 W (230 V) | Yes |
SilverStone SST-ST50NF (115 V) | Yes |
SilverStone SST-ST50NF (230 V) | Yes |