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Ground-level power supply, also known as surface current collection or, in French, alimentation par le sol ("feeding via the ground"), is a concept and group of technologies that enable electric vehicles to collect electric power at ground level instead of the more common overhead lines.
The EMD GP16 is a series of rebuilt diesel-electric locomotives, a result of a remanufacturing program initiated by the Seaboard Coast Line Railroad (SCL) in an effort to spare the cost of purchasing new motive power in the late 1970s.
261 examples of this model were built; railroads that purchased this model include CP, DT&I, GTW, GM&O, IC, LV, L&N, N&W, SLSF, SOU and Pacific Power and Light. [3] Many were upgraded to full GP38-2 status with the Dash 2 modular electrical cabinet. BNSF 2116 EMD GP38AC New England Central Railroad EMD GP 38 AC Unit #3857 at White River ...
Power was provided by a 16-cylinder 710G3A diesel engine, which could produce 3,800 horsepower (2,800 kW). This locomotive was 59 feet 9 inches long and featured a 3,700-US-gallon (14,000 L) fuel tank. The GP60 series shared the same frame as the GP59. Cabless 'B' units of this locomotive model were also built; they were known as GP60B models.
An external power supply, AC adapter or power brick, is a power supply located in the load's AC power cord that plugs into a wall outlet; a wall wart is an external supply integrated with the outlet plug itself. These are popular in consumer electronics because of their safety; the hazardous 120 or 240 volt main current is transformed down to a ...
This was the first model in EMD's GP (General Purpose) series of locomotives. Concurrently, EMD offered a six-axle ( C-C ) SD (Special Duty) locomotive, the SD7 . [ 5 ] The GP7 was replaced by the GP9 model in GM-EMD's GP sequence.
The power frequency and voltage are not self regulating. The generator is able to supply current out of phase with the voltage requiring more external equipment to build a functional isolated power system. Similar is the operation of the induction motor in parallel with a synchronous motor serving as a power factor compensator.
The GP15D is a four-axle B-B switcher built by MotivePower and Electro-Motive Diesel.It was supplied with a Caterpillar 3512 (called a 12-170B15-T2 by EMD) V12 prime mover which develops a total power output of 1,500 horsepower (1,120 kW).