About Outdoor power supply voltage selection
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About Outdoor power supply voltage selection video introduction
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6 FAQs about [Outdoor power supply voltage selection]
How do I choose the right power supply for my application?
It pays to understand a few important electrical parameters that can dictate the kind of applications specific power supplies can handle. A few basic factors go into the selection of low-voltage dc/dc and ac/dc power supplies for OEM use. At the risk of stating the obvious, the key objective is to bring the input voltage to a new potential.
What factors go into the selection of low-voltage DC/DC and AC/DC power supplies?
A few basic factors go into the selection of low-voltage dc/dc and ac/dc power supplies for OEM use. At the risk of stating the obvious, the key objective is to bring the input voltage to a new potential. With that in mind, there are six parameters that determine most of the qualities the supply should have.
How to quantify power supply requirements?
Designers typically quantify power supply requirements by measuring the power consumption of host equipment. In this regard, every measurement changes the state of the circuit; the impact of any measurement should be minimized. This philosophy implies performing a four-wire measurement even for simple tests.
How much power does an outbuilding need?
What you plan to do in the outbuilding will dictate the power required. If all that is needed is a socket or two and some lighting, then the power requirements are fairly modest, a 13A supply would probably be more than adequate.
Would a 240V power supply cause a shock risk?
Given it would be connected to the live side of the supply via all your appliances, and there would be no current flowing, the potential of the neutral and earth (and by implication the metal cases of all your appliances) would tend to rise to 240V. This obviously raises a serious shock risk.
What are the electrical parameters that need detailed specifications?
There are a few electrical parameters pertaining to supplies that need detailed specifications. They include how to deal with supply ripple and conducted noise, the handling of inrush current, thermal considerations, and electromagnetic compatibility (EMC) constraints.


