Outdoor power supply high temperature in summer

Do power supplies need to be housed outside?

Power supplies need to be housed outdoors, where the extreme heat of the summer and the extreme cold of the winter will both be present. Power supplies heat themselves up at different rates and intensities, and environmental influences will impact how quickly a power supply is exposed to high temperatures.

How does temperature affect a power supply?

Chemical processes accelerate, and mechanical connections can even loosen. The longer a component is operated at high heat, the more elevated temperatures can reduce its lifespan. Reduce the power supply load: Power supplies typically have specified loads according to an ambient temperature range.

How does heat affect a power supply?

The longer a component is operated at high heat, the more elevated temperatures can reduce its lifespan. Reduce the power supply load: Power supplies typically have specified loads according to an ambient temperature range. Move outside that range, and the load can derate to a much smaller number.

How does the orientation of a power supply affect heat buildup?

The orientation of a power supply can also affect heat buildup. Since hot air rises, a vertically mounted power supply tends to transfer heat to other components, but a horizontal power supply allows the air to move more easily via cooling methods.

How do environmental factors affect a power supply?

Power supplies heat themselves up at different rates and intensities, and environmental influences will impact how quickly a power supply is exposed to high temperatures. Designers have to factor in the additional heat of nearby equipment, self-heating from high loads, and radiant heat such as solar energy on an enclosure.

What happens if a power supply is cold?

Low power supply temperatures can: Increase the output ripple: The cold can add noise into the system and cause the output voltage ripple to increase, which can waste power. Prevent fully regulated outputs: Low temperatures also affect the power supply’s ability to regulate its output completely.