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The Class 93 locomotive is a derivative of the Class 88 electro-diesel and Class 68 diesel locomotives, both of which were built by Stadler. [ 7 ] [ 13 ] As with Class 88 locomotives, Class 93s are designed as fast freight locomotives that use electric power while under the wires, but that are also capable of self-powered operations. [ 7 ]
Class: Number in class: Road numbers: Built: Notes: Pacific National: 92: 15 9201–9215 2008–09 Allocated to Hunter Valley coal services. 93: 24 9301–9324 2012–13 (9301–9317), 2016–17 (9318–20), 2020 (9321–24). 94: 50 9401–9450 2024–29 Class leaders 9401, 9402 and 9403 have emerged for final commissioning, and are expected to ...
Bulbs used for headlamps, turn signals and brake lamps may be required to comply with international and national regulations governing the types of lamps used. Other automotive lighting applications such as auxiliary lamps or interior lighting may not be regulated, but common types are used by many automotive manufacturers.
The light bulb commonly used since the early 20th century for general-purpose lighting applications, with a pear-like shape and an Edison screw base, is referred to as an "A-series light bulb." This most common general purpose bulb type would be classed as "A19/E26" or the metric version "A60/E27".
Mock-up of the Class 93 cab. The sleek, aerodynamic properties of the Class 93 would have allowed maximum speeds of up to 155 mph (250 km/h). The maximum speed however would initially have been 125 mph (201 km/h) because of signalling and track alignment limitations. A model (scale 1:20) of the Class 93 at the National Railway Museum in York.
This style of transformer gives an extremely wide bandwidth but only a limited number of impedance ratios (such as 1:1, 1:4, or 1:9) can be achieved with this technique. Choke transformers are sometimes called transmission-line transformers (although see below for a different transformer type with the same name ), or Guanella transformers , or ...
The most commonly used A-series light bulb type is an A60 bulb [7] (or its inch-based equivalent, the A19 bulb [2] [4]), which is 60 mm (19 ⁄ 8 in or 2 + 3 ⁄ 8 in) wide at its widest point [3] and approximately 110 mm (4 + 3 ⁄ 8 in) in length. [8] Other sizes with a data sheet in IEC 60064 are A50, A55, A67, A68, A71, A75, and A80.
A Scott-T transformer or Scott connection is a type of circuit used to produce two-phase electric power (2 φ, 90 degree phase rotation) [1] from a three-phase (3 φ, 120 degree phase rotation) source, or vice versa. The Scott connection evenly distributes a balanced load between the phases of the source.