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Charles Hesterman Merz was a British electrical engineer who pioneered the use of high-voltage three-phase AC power distribution in the United Kingdom, building a system in the North East of England in the early 20th century that became the model for the country's National Grid.
The North Eastern Electric Supply Company was responsible for the supply of electricity to a large amount of North East England, prior to the nationalisation of the British electricity industry with the Electricity Act 1947. The company was established as the Newcastle upon Tyne Electric Supply Company in 1889, but was renamed the North Eastern Electricity Supply company as it expanded to supply the North East region.
The NZR RM class Edison battery-electric railcar was a railcar that ran in Canterbury, New Zealand for eight years. It was built for New Zealand Railways (NZR) as a prototype for battery-electric railcars. While the railcar, classified "RM 6", was considered the first successful railcar in New Zealand, it was later destroyed in a fire, and battery-electric traction for railcars was not developed further in New Zealand. Two other classes of battery-electric locomotives were introduced about the same time as RM 6, the E class of 1922 and the EB class of 1925.
The Tyneside Electrics were the suburban railways on Tyneside that the North Eastern Railway and the London and North Eastern Railway electrified using the third rail system. The North Tyneside Loop was electrified from 1904 onwards and formed one of the earliest suburban electric networks; the South Tyneside line to South Shields via Pelaw was electrified in March 1938. British Railways converted these lines to diesel operation in the 1960s: the line to South Shields in January 1963 and the North Tyneside lines in June 1967 when the electrical supply infrastructure and the rolling stock had become life expired. In addition, the system was losing passengers and suffering from costly vandalism. Since the late 1970s, much of the system has been converted to form the Tyne and Wear Metro.
The Midland line is a 212 km section of railway between Rolleston and Greymouth in the South Island of New Zealand. The line features five major bridges, five viaducts and 17 tunnels, the longest of which is the Otira tunnel. It is the route of the popular TranzAlpine passenger train.
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Dunston Power Station refers to a pair of adjacent coal-fired power stations in the North East of England, now demolished. They were built on the south bank of the River Tyne, in the western outskirts of Dunston in Gateshead. The two stations were built on a site which is now occupied by the MetroCentre. The first power station built on the site was known as Dunston A Power Station, and the second, which gradually replaced it between 1933 and 1950, was known as Dunston B Power Station. The A Station was, in its time, one of the largest in the country, and as well as burning coal had early open cycle gas turbine units. The B Station was the first of a new power station design, and stood as a landmark on the Tyne for over 50 years. From the A Station's opening in 1910 until the B Station's demolition in 1986, they collectively operated from the early days of electricity generation in the United Kingdom, through the industry's nationalisation, and until a decade before its privatisation.
Lyttelton Line is a name sometimes used to refer to the section of the Main South Line in New Zealand's South Island between Lyttelton and Christchurch, and can also be used to refer to the operations on this section. As it has always been part of the Main South Line, this name has never been officially used to refer to the track itself.
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Carville Power Station refers to a pair of now partially demolished coal-fired power stations, situated in North East England on the north bank of the River Tyne at Wallsend. The two stations were built alongside each other on a riverside site about 5 mi (8.0 km) downstream of Newcastle upon Tyne. Carville A Power Station, the first station on the site was opened in 1904, and Carville B Power Station was opened in 1916 to its south.
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Pandon Dene Power Station was an early coal-fired power station situated on the Pandon Dene, to the east of Newcastle upon Tyne.
Stockton Mine, on the Stockton Coal Field, is New Zealand's largest opencast mining operation. The entrance to the mine is at the former settlement of Stockton.
Electrification of Australian railways began with the Melbourne and Sydney suburban lines. Melbourne suburban lines were electrified from 1919 using 1,500 V DC. Sydney suburban lines were electrified from 1926 using the same system.
Jacksons is a settlement and railway station in the Westland District of the West Coast of New Zealand. The TranzAlpine Express passes through Jacksons.
Railway electrification in New Zealand consists of three separate electric systems, all on the North Island. Electrification was initially adopted by the New Zealand Railways for long tunnels; the Otira Tunnel, the Lyttelton Rail Tunnel and the two Tawa Tunnels of the Tawa Flat Deviation. Electrification of Wellington suburban services started with the Johnsonville Line and Kapiti Line out of Wellington from the 1930s. Auckland suburban services were electrified in 2014–2015. Electrification of long-distance services on the North Island Main Trunk (NIMT) dates from 1986. New long tunnels, for example the Rimutaka Tunnel and the Kaimai Tunnel, were operated by diesels, and the Otira and Lyttelton Tunnels have converted to diesel operation.
References
- ↑ An exciting time for electrical engineers The Independent, 22 January 1998
- 1 2 Charles Merz – Lessons from Boston Archived 2010-05-31 at the Wayback Machine Institute of Engineering & Technology
- ↑ Speech by Dr Malcolm Kennedy Archived 2012-08-04 at archive.today The Royal Society of Edinburgh, 2004
- ↑ Mott MacDonald acquires African power consultant Merz and McLellan
- ↑ Merz & McLellan South Africa
- ↑ Churchman, Geoffrey B. (1995). Railway Electrification in Australia and New Zealand. Sydney & Wellington: IPL Books. pp. 45, 46. ISBN 0-908876-79-3.
- ↑ Tyne and Wear Archives
- ↑ Churchman, Geoffrey B. (1995). Railway Electrification in Australia and New Zealand. Sydney & Wellington: IPL Books. pp. 16, 17. ISBN 0-908876-79-3.
- ↑ Lyttelton Railway Tunnel
- ↑ Sinclair Knight Merz Archived 2006-10-16 at the Wayback Machine
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