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List Of HVDC Projects
This is a list of notable high-voltage direct-current power transmission projects. HVDC projects for long-distance transmission have two (or rarely, more) converter stations and a transmission line interconnecting them. Generally overhead lines are used for interconnection, but an important class of HVDC projects use submarine power cables. A back-to-back station has no transmission line and connects two AC grids at different frequencies or phase counts. Historical HVDC systems used the Thury system of motor-generators but these have all been made obsolete by later developments such as mercury-arc valves (now also obsolete), thyristors, and IGBT power transistors. Legend Line type: * Thury = Series-connected generators as designed by René Thury * Merc = Mercury-arc valve rectifier and inverter * Thyr = Thyristor rectifier and inverter * IGBT = Insulated Gate Bipolar Transistors Line status: Africa Australia and Oceania Asia Europe 2 As of 9 December 2015, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
High-voltage Direct Current
A high-voltage direct current (HVDC) electric power transmission system (also called a power superhighway or an electrical superhighway) uses direct current (DC) for electric power transmission, in contrast with the more common alternating current (AC) transmission systems. Most HVDC links use voltages between 100 kV and 800 kV. However, a 1,100 kV link in China was completed in 2019 over a distance of with a power capacity of 12 GW. With this dimension, intercontinental connections become possible which could help to deal with the fluctuations of wind power and photovoltaics. HVDC allows power transmission between AC transmission systems that are not synchronized. Since the power flow through an HVDC link can be controlled independently of the phase angle between source and load, it can stabilize a network against disturbances due to rapid changes in power. HVDC also allows the transfer of power between grid systems running at different frequencies, such ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Haywards
Haywards is a small hillside suburb in the Hutt Valley near Wellington, New Zealand. It is notable for its large electrical substation, which is the main switching point for the Wellington region, and the home of the North Island converter station for the HVDC Inter-Island, which links the North and South Island electricity networks together. History Haywards railway station was opened on 15 December 1875, along with Belmont railway station. It was closed in 1954 and replaced by Manor Park railway station. Haywards was listed in the 1881 New Zealand census as being part of both Mungaroa Riding and Epuni Riding, with a combined population of 58. Transport State Highway 58 is the primary route from the Hutt Valley to Pauatahanui and Porirua. It leaves State Highway 2 at Haywards. This highway was first built during the 1870s. From the 1940s to the 1970s there were proposals for a railway line, the Haywards–Plimmerton Line, via this route. In June 2010, the results of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sun Cable
The Australia–Asia Power Link (AAPowerLink) is a proposed electricity infrastructure project that is planned to include the world's largest solar plant, the world's largest battery, and the world's longest submarine power cable. A solar farm in Northern Territory, Australia, will produce up to 20 gigawatts of electricity, most of which will be exported to Singapore, and at a later point Indonesia, by a 3GW HVDC transmission line. A 36-42 GWh battery is planned to store energy to levelize energy availability as sunlight varies throughout the day. The AAPowerLink is being developed by the Singaporean firm Sun Cable and is projected to begin construction in mid-2023, with operation starting in early 2026 and completion by late 2027. The project will add AU$8 billion to the economy of the Northern Territory, then exporting AU$2 billion of electricity every year. Design The solar plant would be in the Northern Territory near Elliott and Tennant Creek in the Barkly Region, usi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Darwin, Northern Territory
Darwin ( ; Laragiya language, Larrakia: ) is the List of Australian capital cities, capital city of the Northern Territory, Australia. With an estimated population of 147,255 as of 2019, the city contains the majority of the residents of the sparsely populated Northern Territory. It is the smallest, wettest, and most northerly of the Australian capital cities and serves as the Top End's regional centre. Darwin's proximity to Southeast Asia makes the city's location a key link between Australia and countries such as Indonesia and East Timor. The Stuart Highway begins in Darwin, extends southerly across central Australia through Tennant Creek and Alice Springs, concluding in Port Augusta, South Australia. The city is built upon a low bluff overlooking Darwin Harbour. Darwin's suburbs begin at Lee Point, Northern Territory, Lee Point in the north and stretch to Berrimah, Northern Territory, Berrimah in the east. The Stuart Highway extends to Darwin's eastern satellite city of Palme ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Australia–ASEAN Power Link
The Australia–Asia Power Link (AAPowerLink) is a proposed electricity infrastructure project that is planned to include the world's largest solar plant, the world's largest battery, and the world's longest submarine power cable. A solar farm in Northern Territory, Australia, will produce up to 20 gigawatts of electricity, most of which will be exported to Singapore, and at a later point Indonesia, by a 3GW HVDC transmission line. A 36-42 GWh battery is planned to store energy to levelize energy availability as sunlight varies throughout the day. The AAPowerLink is being developed by the Singaporean firm Sun Cable and is projected to begin construction in mid-2023, with operation starting in early 2026 and completion by late 2027. The project will add AU$8 billion to the economy of the Northern Territory, then exporting AU$2 billion of electricity every year. Design The solar plant would be in the Northern Territory near Elliott and Tennant Creek in the Barkly Region, usi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Siemens
Siemens AG ( ) is a German multinational conglomerate corporation and the largest industrial manufacturing company in Europe headquartered in Munich with branch offices abroad. The principal divisions of the corporation are ''Industry'', ''Energy'', ''Healthcare'' ( Siemens Healthineers), and ''Infrastructure & Cities'', which represent the main activities of the corporation. The corporation is a prominent maker of medical diagnostics equipment and its medical health-care division, which generates about 12 percent of the corporation's total sales, is its second-most profitable unit, after the industrial automation division. In this area, it is regarded as a pioneer and the company with the highest revenue in the world. The corporation is a component of the Euro Stoxx 50 stock market index. Siemens and its subsidiaries employ approximately 303,000 people worldwide and reported global revenue of around €62 billion in 2021 according to its earnings release. History 1847 to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
George Town, Tasmania
George Town ( Palawa_kani: ''kinimathatakinta'') is a large town in north-east Tasmania, on the eastern bank of the mouth of the Tamar River. The Australian Bureau of Statistics records the George Town Municipal Area had a population of 6,764 as of 30 June 2016. It is the regional centre of the George Town Council local government area and is well served with a Regional Hospital, supermarkets, and infrastructure. History The area now occupied by George Town has been inhabited by Aboriginal Tasmanians since, at least, 7000 BP and possibly as long ago as 43000 BP. European settlement Early observation of the Tamar River occurred in 1798 when Bass and Flinders sailed into the river during their circumnavigation of Tasmania. The estuarine river was named Port Dalrymple and the location that would become George Town was referred to as Outer Cove. William Collins, in January 1804, led an 18 day exploration in of the river to determine the best site for a settlement. In Novem ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Loy Yang Power Station
The Loy Yang Power Station is a brown coal- fired thermal power station located on the outskirts of the city of Traralgon, in south-eastern Victoria, Australia. It consists of two sections, known as Loy Yang A (4 units) and Loy Yang B (2 units). Both Loy Yang A and B are supplied by the Loy Yang brown coal mine. The Loy Yang power stations are located in the brown coal rich Latrobe Valley, along with the Yallourn power station. If Loy Yang A and Loy Yang B are counted together they are the largest power station in Australia, generating 3280 MW of power (however, if counted separately, the 2,880 MW Eraring power station is the largest). Loy Yang A & B are base load power stations, and together produce 50% of Victoria's electricity requirements. Loy Yang also serves as the mainland connection point for the Basslink electricity interconnector cable which runs under Bass Strait, connecting it to the George Town sub-station in Northern Tasmania. Technical Features All six Loy Yan ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Basslink
The Basslink () electricity interconnector is a high-voltage direct current (HVDC) cable linking the electricity grids of the states of Victoria and Tasmania in Australia, crossing Bass Strait, connecting the Loy Yang Power Station, Victoria on the Australian mainland to the George Town substation in northern Tasmania. Basslink is bidirectional and enables Hydro Tasmania to supply some of the peak load capacity to the Australian mainland and take some of the excess power from the mainland when the generation on the mainland exceeds the demand. Financial benefits from the Basslink investment included reduced or deferred need to invest in further base load generation facilities, and potential to profit from selling peak load power into a market in which prices are generally higher, and because the cable was also used to supply power to Tasmania in times of drought, as most of Tasmania's electricity generation is hydroelectricity. A government review of Basslink in 2011 found, "Ba ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Berri, South Australia
Berri is a city in the Riverland region of South Australia. It is 238 kilometres north-east of Adelaide, the capital of the state of South Australia and a few kilometres west of the SA-Victoria border. It is primarily an agricultural and viticultural city on the north bank of the Murray River. It is the original home of a juice company, Berri Ltd. History The name "Berri" is from the local Aboriginal tribe, Meri, meaning "a wide bend in the river". The area was first explored by European settlers when Charles Sturt navigated the Murray River. Its first impetus for settlement came when paddle steamers came down the River Murray and a refuelling stop was developed. This was to become Berri. The area was also part of Cobdogla Station pastoral run before it was broken up for closer farming. In 1910, irrigation was established and Berri was proclaimed as a town in 1911. Irrigation subsequently led to the establishment of vineyards and fruit orchards (such as citrus, apricots and pe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Red Cliffs, Victoria
Red Cliffs is a town in Victoria, Australia in the Sunraysia region. It is located on the Calder Highway, 16 km south of Mildura and 544 km north-west of Melbourne. At the , Red Cliffs had a population of 5,060. The main industry is the growing of grapes and citrus. Red Cliffs takes its name from the 70 m cliffs 4.5 km east of the town that have a red/orange colour. History Following the First World War, over 700 soldiers settled in the town, and began work on establishing the vineyards which would become the town's chief industry. The post office opened on 4 August 1920. The town and surrounding irrigation district was officially opened in 1921, and will be having a centenary celebration over the Melbourne Cup weekend in 2021. The Red Cliffs Magistrates' Court closed on 1 January 1990. In April 2022 Red Cliffs celebrated its centenary, postponed from November 2021 due to the pandemic. Culture Schools Red Cliffs has three primary schools, Red Cliffs P ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Murraylink
Murraylink is an Australian high voltage direct current electricity transmission link between Berri in South Australia and Red Cliffs in Victoria, connecting the two state electricity grids. Murraylink was commissioned in 2002 and is believed to be the world's longest underground transmission system and cost more than A$177 million. It was built by TransEnergie Australia, a subsidiary of Hydro-Québec. It was sold to the Australian Pipeline Trust (APA Group) in March 2006 for A$153 million. In December 2008 ownership of Murraylink (as well as Directlink) was transferred to the newly formed Energy Infrastructure Investments Group, while APA continued as the operator. The ownership of EII is APA with 19.9%, with the balance with Japan-based Marubeni Corporation with 49.9% and Osaka Gas with 30.2%. Capacity Murraylink consists of two long bipolar HVDC cables. The circuit has an operating voltage of 150 kV and a transmission capacity of 220 megawatts. The link opera ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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