A free powerpoint ppt presentation displayed as a flash slide show on. It offers numerous environmental benefits, including invisible power lines, neutral electromagnetic fields, oilfree cables and compact converter stations. Applications for highvoltage direct current transmission technologies grid arlington, va april 22 nd, 20. High voltage direct current transmission notes pdf hvdc. Microsoft powerpoint download 2020 latest for windows 10.
The present number of links based on this technology is around 120. An introduction to high voltage direct current hvdc. Hvdc light is the newly developed hvdc transmission technology, which is based on extruded dc cables and voltage source converters consisting of insulated. The hvdc light is a technology based on voltage sources converters vsc s which emphasizing the light weight and compactness features intrinsic to it as well as competitiveness in application in the low end of the power scale. A monopolar hvdc system with ground return consists of one or more sixpulse converter units in series or parallel at each end, a single conductor and return through the earth or sea, as shown in figure 2. Transmitting power at high voltage and in dc form instead of ac is a new technology proven to be economic and simple in operation which is hvdc transmission. Abstract basics in hvdc transmission the hvdc technology design, construction, operation, maintenance considerations and cost structure overview of hvdc applications historical perspective on hvdc transmission a important milestones in the development of hvdc technology some successfully commissioned hvdc projects in india advanced technologies in hvdc. Hvdc introduction hvdc technology is used to transmit electricity over long distances by overhead transmission lines or submarine cables. Highvoltage direct current and facts technology are shaping the grid of the future. Ppt introduction to hvdc powerpoint presentation free to.
It offers numerous environmental benefits, including invisible power lines, neutral electromagnetic fields, oil free cables and compact converter stations. High voltage dc transmission presented by far09005 far090 far09024 muqadsa iftikhar zunaib ali madiha naeem. It is written by group wps41050 during the period 8th of february 2nd of june 2010. It is used to transmit electricity in lower power ranges from under 100 to 1,200 mw over short and medium long distances. Scribd is the worlds largest social reading and publishing site. Ppt hvdclight technology powerpoint presentation free. Hvdc light technology transmitting power at high voltage and in dc form instead. Vsc hvdc technology was developed during the 1990s, and the first commercial. Ppt hvdclight technology powerpoint presentation, free. The hvdc light is a technology based on voltage sources converters vsc s. Presenter view automatically adapts to your projection setup, and you can even use it on a single monitor, themes now come with variations, which make it simpler to hone in on the look you want, and when youre. Mmc technology for hvdc vsc with low switching frequencies, referred to as hvdc plus 68. It consists of two ac to dc converter stations and a pair of underground cables interconnecting each converter station.
Analysis of hvdc and hvdc light technology 715 figure 2. Presented by the hvdc light is a technology based on voltage sources converters vsc s which emphasizing the light weight and compactness features intrinsic to it. The hvdc technology is used in transmission systems to transmit electric bulk power over long distances. High voltage direct current hvdctransmission systems. Vice versa, using the very same technology, remote. Traditional hvdc, or if you like hvdc heavy, is designed for high voltage, direct. Hvdc light a new technology for a better environment by lars weimers abb power systems ludvika, sweden 1. High voltage direct current transmission only active power flow is associated with hvdc. Contents introduction hvdc system overview motivations of hvdc transmission components of hvdc transmission system advantages and disadvantages of hvdc transmission system economical and environmental considerations hvdc applications hvdc light technology short circuit contribution of hvdc light. Free download fileplanet microsoft powerpoint 2016. Ppt hvdc light technology powerpoint presentation, free. Microsoft powerpoint 4 hvdc technology workshop arlington april 20 revc compatibility mode.
The present master thesis is conducted at the departament of energy technology, aalborg university. Ground return most dc transmission lines use ground return for reasons of economy and reliability ground return are used by the monopolar and the bipolar link for carrying the return current. Power engineers can help you assess the benefits of using hvdc and facts technology for your project. Microsoft powerpoint hvdc development 27 june 2007 no hidden author. The technology can use overhead lines or environmentally sound oil free underground and underwater cables. The vsc based hvdc system is a relatively new technology in electrical science. Sweden united states sweden synopsis beginning with a brief historical perspective on the development of high voltage direct current hvdc transmission systems, this paper presents an overview of the status of hvdc systems in the world today. Hvdc light was launched in 1997 and is an adaptation of classic hvdc. The former is the classic hvdc technology, using power thyristors as the main components for converting ac to dc and vice versa. Hvdc light a new technology for a better environment. Traditional hvdc, or if you like hvdc heavy, is designed for high voltage, direct current. Hvdc light technology transmitting power at high voltage and in dc form instead of ac is a new technology proven to be economic and simple in operation which is hvdc transmission.
Norned cable hvdc project the longest underwater highvoltage. Applications for highvoltage direct current transmission. The technology is used to transmit electricity over a long distance by using an overhead transmission wire. Please find the hvdc complete pdf notes download button. In hvdc applications, the ac power system itself provides the means of commutating the current to another valve in the converter. What is hvdc light the hvdc light is a technology based on voltage sources converters vsc s which emphasizing the light weight and compactness features intrinsic to it as well as competitiveness in application in the low end of the power scale. An ebook reader can be a software application for use on a computer such as microsofts free reader application, or a booksized computer this is used solely as a reading device such as nuvomedias rocket ebook. Vsc based hvdc can be used for low and medium power transmission which can be connected to weak or even passive ac. The area of application of both the systems varies and is one of the most demanded transmission system. Hvdc light technology hvdc light represents electric power. Hvdc can carry more power for a given size of conductor 5. This presentation discusses highvoltage, direct current hvdc systems, and gives a comparison between the site aspects for hvdc light voltage source converter and hvdc classic line commutated converter methods for a 500mw 400kv hvdc transmission scheme. Ac grid with embedded vsc hvdc for secure and efficient power delivery jiuping pan, reynaldo nuqui, kailash srivastava, tomas jonsson, per holmberg, yingjiang hafner.
Comparison between hvdc light vsc and hvdc classic lcc. Download free powerpoint themes and powerpoint backgrounds for your presentations. Agenda hvdc technologies world view key projects development work. The converter stations are designed to be unmanned and virtually maintenance free. When the technology was introduced it was based on a twolevel. Hvdc light is a high voltage, direct current transmission technology i. Direction of power flow can be changed very quickly.
Hvdc a key solution in the future transmission system. Comparison between conventional hvdc and hvdc light there are different basis on which conventional hvdc system and hvdc light can be compared. Introduction a new transmission and distribution technology, hvdc light, makes it economically feasible to connect smallscale, renewable power generation plants to the main ac grid. Contents introduction hvdc light technology hvdc light basic principle. You need experts who know how to make that future work for you. Transmitting power at high voltage and in dc form instead of ac is a new technology proven to be economic and simple in operation which is hvdc. What is hvdc light the hvdc light is a technology based on voltage sources converters vsc s which. In total about 70,000 mw hvdc transmission capacity is installed in more than 90 projects.
Environmental aspects of hvdc underground cables 6 5. Presented by the hvdc light is a technology based on voltage sources converters vsc s which emphasizing the light weight and compactness features. There are many features that make the new powerpoint attractive. Analysis of hvdc and hvdc light technology semantic scholar. A free powerpoint ppt presentation displayed as a flash slide show on id. It offers no overhead lines, neutral electromagnetic fields, oilfree cables and. Transmitting power at high voltage and in dc form instead of ac is a new technology. In rihanddelhi hvdc, light triggered thyristor ltt are used to trigger the thyristor, by injecting the photons into the gate of thyristor instead of electrons. Hvdc light hvdc light is the newly developed hvdc transmission technology, which is based on extruded dc cables and voltage source converters consisting of insulated gate bipolar transistors igbts with high switching frequency. Hvdc light increases the reliability of power grids, and the technology extends the economical power range of hvdc transmission down to just a few tens of megawatts mw. Hvdc stands for high voltage direct current and is today a wellproven technology employed for power transmission all over the world.
An introduction to high voltage direct current hvdc underground cables table of content chapter page 1. The hvdc technology is used to transmit electricity over long distances by overhead transmission lines or submarines cables. Introduction to hvdc technology for reliable electrical. The thesis theme with the title control of vscbased hvdc transmission system for o shore wind power plants was chosen from the vestas student project catalogue. Hvdclight technology ppt video online download slideplayer. Each rpc is located in the pole control level and operates independently from the rpc in the other end of the hvdc transmission. Sagnik roychowdhury 3rd yeardepartment of electrical. Create or view powerpoint presentations with this uptodate version of the popular software package. Technology for a better environment presentation transcript. Using hvdc to inter connect two points in a power grid, in many cases is the best economic alternative, and further more it has excellent environmental benefits. Hvdc light technology high voltage direct current electric power. Ppt hvdclight technology powerpoint presentation free to. Hvdc control reactive power control the reactive power balance of each side of the hvdc transmission will normally be performed by reactive power controller rpc.
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