Electrical System

Electrical System

  • Kunjungi Tokosinartech-multi-perkasa
  • Rp. 7,450,000
    Email sales-engineering@detradingindo.co.id
    Phone 08126025984
    Alamat Fax : (061) 42068877 Jl.Primer No 12 pasar 9 helvetia marelan 20250 medan sumut indonesia

    PT.Sinartech Multi Perkasa adalah perusahaan yang bergerak di bidang konstruksi manufactur,rekayasa dan konsultan, yang pengerjaannya meliputi EPC (Engineering Procurement Construction) serta OPC (Operational Procerement Construction), secara khusus pada pengerjaan PALM OIL MILL, KERNEL CRUSHING PLANT,REFINERY PLANT,CRUMB RUBBER FACTORY.PT.Sinartech Multi Perkasa berdiri pada tahun 2014 yang merupakan GROUP dari PT.Nasatech Sukses Abadi yang telah berdiri pada tahun 2013

    Contact Person
    Call/WA : 08116062065 | 08116562065 | 08116549994 | 08116369090 | 08126067928
    Phone : (061) 42068877 | 08126067928
    Fax : (061) 42068877
    Email   : sales-engineering@detradingindo.co.id  

    PT sinartech multi perkasa
    PT nasatech sukses abadi
    Jl.Primer No 12 pasar 9 helvetia marelan   20250 medan sumut indonesia

    Jasa Pengadaan Electrical System di Me Karena pentingnya listrik bagi kehidupan masyarakat modern, semua bangunan menggunakan listrik oleh sebab itu dibutuhkan sistem kelistrikan. Sistem eletrical merupakan sistem untuk mengatur jalur alur listrik dalam sebuah gedung yang dikontrol oleh electrical panel. PT Sinartech Multi Perkasa menyediakan jasa pengadaan sistem electrical yang dilakukan oleh tangan ahli profesional dengan dibantu alat-alat yang lengkap. Adapun Ruang Lingkup pengerjaan s...

    Product Description

    Jasa Pengadaan Electrical System di Me Karena pentingnya listrik bagi kehidupan masyarakat modern, semua bangunan menggunakan listrik oleh sebab itu dibutuhkan sistem kelistrikan. Sistem eletrical merupakan sistem untuk mengatur jalur alur listrik dalam sebuah gedung yang dikontrol oleh electrical panel. PT Sinartech Multi Perkasa menyediakan jasa pengadaan sistem electrical yang dilakukan oleh tangan ahli profesional dengan dibantu alat-alat yang lengkap. Adapun Ruang Lingkup pengerjaan sbb : Design, Drawing, Manufacturing, Construction, Fabrication, Erection on Site, Repairing Part, Trouble shooting & Consultation, Trading

    electric power system is a network of electrical components deployed to supply, transfer, and use electric power. An example of an electric power system is the grid that provides power to an extended area. An electrical grid power system can be broadly divided into the generators that supply the power, the transmission system that carries the power from the generating centres to the load centres, and the distribution system that feeds the power to nearby homes and industries. Smaller power systems are also found in industry, hospitals, commercial buildings and homes. The majority of these systems rely upon three-phase AC power—the standard for large-scale power transmission and distribution across the modern world. Specialised power systems that do not always rely upon three-phase AC power are found in aircraft, electric rail systems, ocean liners and automobiles. In 1881, two electricians built the world's first power system at Godalming in England. It was powered by two waterwheels and produced an alternating current that in turn supplied seven Siemens arc lamps at 250 volts and 34 incandescent lamps at 40 volts.[1] However, supply to the lamps was intermittent and in 1882 Thomas Edison and his company, The Edison Electric Light Company, developed the first steam-powered electric power station on Pearl Street in New York City. The Pearl Street Station initially powered around 3,000 lamps for 59 customers.[2][3] The power station generated direct current and operated at a single voltage. Direct current power could not be transformed easily or efficiently to the higher voltages necessary to minimise power loss during long-distance transmission, so the maximum economic distance between the generators and load was limited to around half a mile (800 m).[4] That same year in London, Lucien Gaulard and John Dixon Gibbs demonstrated the "secondary generator", namely the first transformer suitable for use in a real power system.[5] The practical value of Gaulard and Gibbs' transformer was demonstrated in 1884 at Turin where the transformer was used to light up forty kilometres (25 miles) of railway from a single alternating current generator.[6] Despite the success of the system, the pair made some fundamental mistakes. Perhaps the most serious was connecting the primaries of the transformers in series so that active lamps would affect the brightness of other lamps further down the line. In 1885, Ottó Titusz Bláthy (1860–1939) of Ganz & Co.(Budapest) perfected the secondary generator of Gaulard and Gibbs, providing it with a closed iron core, and thus obtained the first true power transformer, which he dubbed with its present name.[7] The same year, Bláthy and two other engineers of the company set up the ZBD system (from their initials) by implementing the parallel AC distribution proposed by British scientist R. Kennedy in 1883, in which several power transformers have their primary windings fed in parallel from a high-voltage distribution line. The system was presented at the 1885 National General Exhibition of Budapest.

    In 1885 George Westinghouse, an American entrepreneur, obtained the patent rights to the Gaulard-Gibbs transformer and imported a number of them along with a Siemensgenerator, and set his engineers to experimenting with them in hopes of improving them for use in a commercial power system. In 1886, one of Westinghouse's engineers, William Stanley, also recognised the problem with connecting transformers in series as opposed to parallel and also realised that making the iron core of a transformer a fully enclosed loop would improve the voltage regulation of the secondary winding.[8] Using this knowledge he built the first practical transformer-based alternating-current power system at Great Barrington, Massachusetts in 1886.[9] Westinghouse would begin installing multi-voltage AC transformer systems in competition with the Edison company later that year. In 1888 Westinghouse also licensed Nikola Tesla's US patents for a polyphase AC induction motor and transformer designs and hired Tesla for one year to be a consultant at the Westinghouse Electric & Manufacturing Company's Pittsburgh labs.[10] By 1888, the electric power industry was flourishing, and power companies had built thousands of power systems (both direct and alternating current) in the United States and Europe. These networks were effectively dedicated to providing electric lighting. During this time the rivalry between Thomas Edison and George Westinghouse's companies had grown into a propaganda campaign over which form of transmission (direct or alternating current) was superior, a series of events known as the "War of Currents".[11] In 1891, Westinghouse installed the first major power system that was designed to drive a 100 horsepower (75 kW) synchronous electric motor, not just provide electric lighting, at Telluride, Colorado.[12] On the other side of the Atlantic, Mikhail Dolivo-Dobrovolsky of AEG and Charles Eugene Lancelot Brown of Maschinenfabrik Oerlikon, built the very first long-distance (175 km, a distance never tried before) high-voltage (15 kV, then a record) three-phase transmission line from Lauffen am Neckar to Frankfurt am Main for the Electrical Engineering Exhibition in Frankfurt, where power was used light lamps and move a water pump.[13][8] In the US the AC/DC competition came to an end when Edison General Electric was taken over by their chief AC rival, the Thomson-Houston Electric Company, forming General Electric. In 1895, after a protracted decision-making process, alternating current was chosen as the transmission standard with Westinghouse building the Adams No. 1 generating station at Niagara Falls and General Electric building the three-phase alternating current power system to supply Buffalo at 11 kV.[8] Developments in power systems continued beyond the nineteenth century. In 1936 the first experimental high voltage direct current (HVDC) line using mercury arc valves was built between Schenectady and Mechanicville, New York.[14] HVDC had previously been achieved by series-connected direct current generators and motors (the Thury system) although this suffered from serious reliability issues.[15][14] The first solid-state metal diode suitable for general power uses was developed by Ernst Presser at TeKaDe, Germany, in 1928. It consisted of a layer of selenium applied on an aluminum plate. In 1957, a General Electric research group developed a solid-state p-n-p-n switch device that was successfully marketed in early 1958, starting a revolution in power electronics. In 1957, also Siemens demonstrated a solid-state rectifier, but it was not until the early 1970s that solid-state devices became the standard in HVDC, when GE emerged as one of the top suppliers of thyristor-based HVDC.[16] In 1979, a European consortium including Siemens, Brown Boveri & Cie and AEG realized the record HVDC link from Cabora Bassa (Mozambique) to Johannesburg (South Africa), extending more than 1,420 km and rated 1.9 GW at ±533 kV, that resorted to top performing 3.2-kV thyristors, developed by AEG under GE’s license,[14] In recent times, many important developments have come from extending innovations in the information and communications technology (ICT) field to the power engineering field. For example, the development of computers meant load flow studies could be run more efficiently allowing for much better planning of power systems. Advances in information technology and telecommunication also allowed for remote control of a power system's switchgear and generators.

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