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The first ground-level power supply system developed to modern safety standards was the Ansaldo Stream, although Alstom APS was the first to be commercially implemented in 2003. [13] This success led to a proliferation of commercial implementations of ground-level power supply systems. [14]
Conductive power transfer uses electrical contacts to connect a power supply to a portable device in order to transfer energy. The technology is sometimes called "conductive wireless charging". [ 1 ] The need for a conductor-to-conductor connection between the power supply and the device is the main difference from inductive charging and other ...
The PUD was among several investors in the WNP-3 and WNP-5 nuclear power plants planned to by built by the Washington Public Power Supply System (WPPSS) in the 1980s. Following the WPPSS's default on bonds in 1983, the agency sued to recover lost funds. [14]
Washington Nuclear Project Nos. 3 and 5, abbreviated as WNP-3 and WNP-5 (collectively known as the Satsop Nuclear Power Plant) were two of the five nuclear power plants on which construction was started by the Washington Public Power Supply System (WPPSS, also called "Whoops!" [1]) in order to meet projected electricity demand in the Pacific ...
The stud contact system is also used on model railway systems (e.g. Märklin) as the center line of studs is less obtrusive than a single central rail. For outdoor model railway systems the use of a stud supply system with a skate/ski collector has certain practical advantages. The system is inherently self-cleaning.
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For decades, "catenary-free" systems such as conduit current collection were not reintroduced because they didn't meet modern safety standards. [7] Modern systems, called ground-level power supply , use a segmented rail flush with the surface of the road instead of a conduit, and the rail segments are only powered when an appropriate vehicle is ...
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