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커뮤니티 Korea Sports Science Institute

What The Experts Aren't Saying About What Is Electric Cable And How It Affects You

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작성자Ramon 작성일 24-09-18 조회수 129회

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The following year, the "Société de Halage Electrique" set up the technology on a 43 kilometres long stretch of the "Canal de la Deûle" and the "Canal d’Aire", from Béthune to Douai (close to the city of Lille in Northern France, on the border with Belgium). The network was gradually enlarged (maps here- scroll to the right -, here and here) and mechanical mules became a common sight on almost every canal in Northern and Eastern France. In France, after some years of unsuccessful experiments with common steam locomotives on the tow path (starting in 1873), the first "electric horse" was tested in 1895 by M. Galliot on the Bourgogne Canal. The cable was installed a few yards from the edge, in order to leave the tow path free. This velocity was not much higher than that of an animal hauled barge, but the electric horse could tow considerably more weight. As with the animal powered systems, two persons were needed to operate the convoy: one on the banks (driving the locomotive or truck) and one on the boat (steering). Only one electrically powered funicular system was effectively built and operated, on two separate parts of the "Canal de la Marne au Rhin".



Using this method none of the boats were equipped with a motor, which resulted in the same advantages as with the funicular system: any boat previously towed by mules or horses could be hauled in this way without any adaptations or the need for a specially designed towboat, and no wash was created, leaving the delicate canal banks untouched and eliminating the need for deeper waterways. This point was especially selected because the canals meet at right angles and hence present peculiar difficulties in turning the boats. Here's some information to help you choose the right cable. Whether for energy transmission, the exchange of information and data or the transmission of switching signals. Responsibility for the transmission system should be taken out of the hands of the Federal deregulators, and returned to the regional reliability councils that formulated the rules of the road to keep the system robust. In order to prevent the cable from jumping out of the pulley channels, it was kept in place by a small overriding roller, and the flanges of the pulleys were notched, so as to allow the hauling links to go by. To the right, there was a fourth pulley carried by a small car fitted with a counterpoise which served to keep the cable uniformly taut.



At its starting point, the cable passed over three large pulleys, actuated by the steam engine, which is placed in a small power house on the edge of the canal (see the above illustration). The boats were propelled by a moving cable on each bank, carried on supports provided with pulleys, and operated parallel to the canal. The cable was moved by a fixed motor, also placed on the banks of the river, and the boats were attached to the cable by means of hauling ropes. In 1888, he conducted a number of experiments with cable hauling in the neighbourhood of Paris, at the junction of the Saint Maur and Saint Maurice Canals. Experiments with this technology had been conducted in 1902 on a one kilometre (0.6 miles) stretch of the "Canal de la Sensée" (connecting Courchelettes with the river l’Escaut). In 1904, the rail-based system was installed along the 28 kilometre (17 miles) long "Canal de la Sensée" and along the busiest parts of the 55 kilometres (34 miles) of canal previously serviced by the trolleytrucks. These tractors, devised by M. Chanay, were twice as powerful as the trolleytrucks (boasting 40 HP and weighing 6 tons) and could tow 3 to 4 barges at a speed of 3 kilometres an hour (1.9 mph).



It drove on the tow path on metallic wheels (without the use of rails) and could haul a barge at a speed of 2.5 to 3 kilometres an hour (1.5 to 1.9 mph). The system allowed for a speed of 4 kilometres per hour (2.5 miles per hour). Normally 6 mm² are used for the uprights, 2.5 mm² for the circuits that power the sockets or fixed appliances such as the air conditioner and 1.5 mm² for the light circuits. It makes a wide range of electrical products such as switches, sockets, lighting, modular kitchens, home appliances, solar products, indoor air purifiers, what is electric cable and more. In this respect, the same cable has more ampacity when in the air than when in a conduit. Though armored cable can be installed in an exposed manner without the use of conduit, many installers opt to use conduit anyway if the wire will be in plain view, as the conduit makes for a much neater visual than the loose armored cable. If you have two wires made of the same material but different thicknesses, the thicker one will allow electricity to pass through more easily. When a cable is energised, and a potential difference (voltage difference) exists between points in a circuit, then a current will flow.


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