Please shout out to Figure 1 below. Most might provide manufacturers provide this type of bend to larn far easier for the destination user to create upward one's heed the maximum output might that tin provided past times a might provide at diverse operating or ambient temperatures. Ta = Temperature of the Ambient Air, or, the temperature of the air surrounding the might supply, particularly the air at the intake of a fan-cooled supply. By comparison the “Operating Temperature Range” specification listed higher upward to the derating curve, the next data tin hold out seen:
- The provide tin deliver 100% of its rated output might charge (600 watts) from -20°C to +50°C ambient temperatures
- Above 50°C ambient, the provide tin deliver a reduced total of power
- At 60°C ambient, the provide tin provide nearly 80% of its max. rated might (0.80 x 600 = 480 watts)
- At 74°C ambient, the provide tin provide 50% of its max. rated might charge (0.50 x 600 = 300 watts)
Figure 1: SWS600L Output Power Derating Curve
In add-on to the supply’s normal “operating temperature range” as well as output derating-curve, unopen to supplies similar this one, get got a specified low-temperature “start-up” capability (i.e., -40°C). This agency that the provide tin “start-up” or hold out “turned-on” amongst an ambient temperature every bit depression every bit -40°C (below the -20°C spec) as well as deliver 100% of its rated power, however, the supply’s output regulation, hold-up time, ripple & noise, as well as other specifications cannot hold out fully guaranteed until the provide warms upward to at to the lowest degree -20°C. This mutual depression temperature temperature start-up is a prissy characteristic to have, particularly for outdoor-mounted applications. Once the provide is turned-on it volition ordinarily self-heat due to the estrus generated past times its internal electronic might components.
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