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1512 – Used as a 3-car Tractor Unit by South West Trains at Bournemouth depot. Scrapped in June 2005 after being replaced by a Class 73 electro-diesel locomotive. 1545 – Converted to 3 car test unit 932545 and exported to Sweden. Converted to AC Overhead Line and DC Dual Voltage and was a test bed for IGBT and Adtranz Traction Package.
A power distribution unit (PDU) is a device fitted with multiple outputs designed to distribute electric power, especially to racks of computers and networking equipment located within a data center. [1] Data centers face challenges in power protection and management solutions.
The early AC electric multiple units were referred to by a two-letter code. This was adapted for the DC third-rail system that was adopted by the Southern Railway, with units being given a three-letter code (sometimes two letters) prefixed by the number of cars in each unit, e.g. 4SUB for a four-car suburban unit.
The first power-distribution systems installed in European and US cities were used to supply lighting: arc lighting running on very-high-voltage (around 3,000 V) alternating current (AC) or direct current (DC), and incandescent lighting running on low-voltage (100 V) direct current. [3]
The Manchester-Bury Railway line used 1,200 V DC from a side-contact third rail. The Manchester South Junction & Altrincham and "Woodhead" and initially the Great Eastern Railway routes used 1,500 V DC from overhead wires. Under the computer numbering, DC units were given a class in the range 400-599.
Sometimes, where there is a principal run of units and a small variant subclass, the majority will be subclass xxx/0 whatever their identifier, but the variant's subclass does reflect the identifier, e.g. Subclass 302/0 for the standard passenger units (302201-312) and 302/9 for the postal units (302990-302993).
In rail transport, distributed power (DP) is a generic term referring to the physical distribution—at intermediate points throughout the length of a train—of separate motive power groups. Such "groups" may be single units or multiple consists, [ 1 ] and are remotely controlled from the leading locomotive .
Altogether, 213 units were built: in 78 of the units, one car was a former 4-SUB trailer rewired to operate with 4-EPB stock. The motor bogies of cars 14001–106 (units 5001–53) were known as the "eastern" type, and had a wheelbase of 9 feet (2.7 m); those of cars 14201–520 (units 5101–5260) were known as the "central" type, and had a ...
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