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South African Class 21E
The Transnet Freight Rail Class 21E of 2014 is a South African electric locomotive. On 16 September 2014, the first of the Class 21E dual voltage electric locomotives for Transnet Freight Rail was rolled out at the CSR Zhuzhou Electric Locomotive Company in China. Two of these locomotives were built in China with another 38 to follow, while the rest were built in South Africa. [http://www.csrgc.com.cn/g1571/s4018/t251220.aspx China South Locomotive and export electric locomotive off the assembly line in South Africa (As translated by TranStar, powered by Google Translate) - CSR Zhushou Electric Locomotive Co. Ltd., 17 September 2014] [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Zhuzhou Electric Locomotive Co
Zhuzhou (, ), formerly Jianning (建宁), is a prefecture-level city of Hunan Province, China, straddling the Xiang River southeast of the provincial capital, Changsha, and bordering Jiangxi province to the east. It is part of the " Greater Changsha Metropolitan Region, also known as Changzhutan Golden Triangle" (comprising the cities of Changsha, Zhuzhou and Xiangtan). The city has jurisdiction over five counties ( Yanling, Chaling, Youxian, Liling, Zhuzhou) and four districts (Hetang, Lusong, Shifeng and Tianyuan, a high-tech industrial development zone), and covers an area of . , Zhuzhou had 3,855,609 inhabitants, of whom 1,055,373 lived in the built-up area (''4 urban districts''). With Xiangtan areas adjoining Zhuzhou due to be agglomerated in a few years' time, the joint built-up area will be home to 2,933,069 inhabitants. Zhuzhou is located in a subtropical monsoon climate zone and with its abundant mineral and organic resources has one of the highest agricultural yield ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
South African Class 20E
The Transnet Freight Rail Class 20E of 2013 is a South African electric locomotive. In early August 2013 the first of ninety-five Class 20E dual-voltage electric locomotives for Transnet Freight Rail was lowered onto its bogies for the first time. Ten of these locomotives were built by the Zhuzhou Electric Locomotive Company in China while the rest were built locally. Manufacturer The first ten of ninety-five 3 kV DC and 25 kV AC dual voltage Class 20E electric locomotives for Transnet Freight Rail were built in China by Zhuzhou Electric Locomotive Company, a subsidiary of the China South Locomotive and Rolling Stock Corporation (CSR), China's leading train m ...[...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cape Gauge Railway Locomotives
A cape is a clothing accessory or a sleeveless outer garment which drapes the wearer's back, arms, and chest, and connects at the neck. History Capes were common in medieval Europe, especially when combined with a hood in the chaperon. They have had periodic returns to fashion - for example, in nineteenth-century Europe. Roman Catholic clergy wear a type of cape known as a ferraiolo, which is worn for formal events outside a ritualistic context. The cope is a liturgical vestment in the form of a cape. Capes are often highly decorated with elaborate embroidery. Capes remain in regular use as rainwear in various military units and police forces, in France for example. A gas cape was a voluminous military garment designed to give rain protection to someone wearing the bulky gas masks used in twentieth-century wars. Rich noblemen and elite warriors of the Aztec Empire would wear a tilmàtli; a Mesoamerican cloak/cape used as a symbol of their upper status. Cloth and clothing w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bo-Bo Locomotives
B-B and Bo-Bo are the Association of American Railroads (AAR) and British classifications of wheel arrangement for railway locomotives with four axles in two individual bogies. They are equivalent to the B′B′ and Bo′Bo′ classifications in the UIC system. The arrangement of two, two-axled, bogies is a common wheel arrangement for modern electric and diesel locomotives. Bo-Bo Bo-Bo is the UIC indication of a wheel arrangement for railway vehicles with four axles in two individual bogies, all driven by their own traction motors. It is a common wheel arrangement for modern electric and diesel-electric locomotives, as well as power cars in electric multiple units. Most early electric locomotives shared commonalities with the steam engines of their time. These features included side rods and frame mounted driving axles with leading and trailing axles. The long rigid wheelbase and the leading and trailing axles reduced cornering stability and increased weight. The Bo-Bo c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Electric Locomotives Of South Africa
Electricity is the set of physical phenomena associated with the presence and motion of matter that has a property of electric charge. Electricity is related to magnetism, both being part of the phenomenon of electromagnetism, as described by Maxwell's equations. Various common phenomena are related to electricity, including lightning, static electricity, electric heating, electric discharges and many others. The presence of an electric charge, which can be either positive or negative, produces an electric field. The movement of electric charges is an electric current and produces a magnetic field. When a charge is placed in a location with a non-zero electric field, a force will act on it. The magnitude of this force is given by Coulomb's law. If the charge moves, the electric field would be doing work on the electric charge. Thus we can speak of electric potential at a certain point in space, which is equal to the work done by an external agent in carrying a unit of positiv ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Richards Bay Coal Terminal , on the Moon
{{disambiguation, geo ...
Richards may refer to: *Richards (surname) In places: * Richards, New South Wales, Australia * Richards, Missouri, United States * Richards, Texas, United States In other uses: * Richards (lunar crater) Richards is a small lunar impact crater that is located in the northern interior of the walled plain Mendeleev, on the far side of the Moon. It lies about half-way between the craters Bergman to the west-southwest and Fischer to the east, both ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ermelo, Mpumalanga
Ermelo () is the educational, industrial and commercial town of the 7,750 km2 Gert Sibande District Municipality in Mpumalanga province, Republic of South Africa. It is both a mixed agriculture and mining region. It is located 210 km east of Johannesburg. History Some of the earliest inhabitants of the area were the Leghoya people. Not much is known about them, but ruins of their settlements dating back to c.1400 can be found in the area. During the mid-1800s, the area prior to the formation as a village, was an ''outspan'' area for resting teams of draw animals transporting goods across the region mainly due to the water of the small lakes dotting the area. Modern Ermelo was founded by Dutch Reformed Church Reverend Frans Lion Cachet (1835–1899). He would minister to the many farms in the area. A congregation was started by Cachet in 1870, and was recognised by the 5th annual general meeting of the church in April 1872. The town was formed on the farm ''Nooitgedacht'' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
South African Class 7E2, Series 2
The South African Railways Class 7E2, Series 2 is an electric locomotive. South African Railways placed 40 Class 7E2, Series 2 electric locomotives with a Co-Co locomotive, Co-Co wheel arrangement in service in 1983. Manufacturer The 25 kV AC Class 7E electric locomotive was designed for the South African Railways (SAR) by the 50 c/s Group, consisting of Ateliers de Constructions Electriques de Charleroi, ACEC of Belgium, AEG (German company), AEG-Telefunken and Siemens Mobility, Siemens of Germany, Alstom, Alsthom-Atlantique and Société MTE of France, and Brown, Boveri & Cie of Switzerland. The locomotives were built by Union Carriage & Wagon (UCW) in Nigel, Transvaal (province), Transvaal, which was the sub-contractor for mechanical components and assembly and delivered in 1983, numbered E7176 to E7215.Transnet ''Locomotives International'' issue 108 June 2017 page 22 UCW did not allocate builder's numbers to the locomotives it built for the SAR, but used the SAR unit numbe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
South African Class 7E2, Series 1
The South African Railways Class 7E2, Series 1 is an electric locomotive. South African Railways placed 25 Class 7E2, Series 1 electric locomotives with a Co-Co locomotive, Co-Co wheel arrangement in service in 1982. Manufacturer The 25 kV AC Class 7E2, Series 1 electric locomotive was designed for the South African Railways by the 50 c/s Group, consisting of Ateliers de Constructions Electriques de Charleroi, ACEC of Belgium, AEG (German company), AEG-Telefunken and Siemens Mobility, Siemens of Germany, Alstom, Alsthom-Atlantique and Société MTE of France, and Brown, Boveri & Cie of Switzerland. The locomotives were built by Union Carriage & Wagon (UCW) in Nigel, Transvaal (province), Transvaal, which was the sub-contractor for mechanical components and assembly and delivered in 1982, numbered E7151 to E7175.Transnet ''Locomotives International'' issue 108 June 2017 page 22 UCW did not allocate builder's numbers to the locomotives it built for the SAR, but used the SAR unit ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
South African Class 7E
The South African Railways Class 7E is an electric locomotive. South African Railways placed 100 Class 7E electric locomotives with a Co-Co locomotive, Co-Co wheel arrangement in service in 1978/79. They were the first 25 kV AC locomotives to enter service in South Africa. Manufacturer The 25 kV AC Class 7E electric locomotive was designed for the South African Railways (SAR) by the 50 c/s Group, consisting of Ateliers de Constructions Electriques de Charleroi, ACEC of Belgium, AEG, AEG-Telefunken and Siemens Mobility, Siemens of Germany, Alstom, Alsthom-Atlantique and Société MTE of France, and Brown, Boveri & Cie of Switzerland. The locomotives were built by Union Carriage & Wagon (UCW) in Nigel, Transvaal (province), Transvaal, which was the sub-contractor for mechanical components and assembly. One hundred Class 7E locomotives were delivered in 1978 and 1979, numbered in the range from E7001 to E7100. Beginning with the Class 7E, the SAR numbering practice for electr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
South African Class 19E
The Transnet Freight Rail Class 19E of 2009 is a South African electric locomotive. In 2009, Transnet Freight Rail placed the first of 110 Class 19E single-cab dual-voltage 3 kV DC and 25 kV AC electric locomotives with a Bo-Bo wheel arrangement in service on the Coalink line from Ermelo to Richards Bay. Manufacturer The dual-voltage 3 kV DC and 25 kV AC Class 19E is the product of a joint venture by Mitsui for the design, Toshiba for the electrical equipment, Union Carriage and Wagon (UCW) for the bodies and the RSD division of DCD-Dorbyl for the bogies. It was locally manufactured by UCW in Nigel, Gauteng. Road testing on the Class 19E started in August 2008. Characteristics The Class 19E was the first South African AC locomotive to incorporate regenerative as well as rheostatic electric braking. While regenerative braking was used on all South African mainline locomotives dating back all the way to the introduction of the Class 1E in 1925, the notable exception being the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Insulated-gate Bipolar Transistor
An insulated-gate bipolar transistor (IGBT) is a three-terminal power semiconductor device primarily used as an electronic switch, which, as it was developed, came to combine high efficiency and fast switching. It consists of four alternating layers (P–N–P–N) that are controlled by a metal–oxide–semiconductor (MOS) gate structure. Although the structure of the IGBT is topologically the same as a thyristor with a "MOS" gate ( MOS-gate thyristor), the thyristor action is completely suppressed, and only the transistor action is permitted in the entire device operation range. It is used in switching power supplies in high-power applications: variable-frequency drives (VFDs), electric cars, trains, variable-speed refrigerators, lamp ballasts, arc-welding machines, induction hobs, and air conditioners. Since it is designed to turn on and off rapidly, the IGBT can synthesize complex waveforms with pulse-width modulation and low-pass filters, so it is also used in switching ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
