{"id":4980,"date":"2020-08-24T23:45:48","date_gmt":"2020-08-24T20:45:48","guid":{"rendered":"https:\/\/europan.ua\/m\/"},"modified":"2024-05-13T11:22:02","modified_gmt":"2024-05-13T08:22:02","slug":"m","status":"publish","type":"page","link":"https:\/\/europan.ua\/en\/produkciya\/provoda-samonesushhie-izolirovannye\/m\/","title":{"rendered":"M"},"content":{"rendered":"
M<\/strong><\/span> is a bare copper wire. It has one of the highest electrical conductivity, high elasticity and mechanical strength.<\/p>\n Bare wire M is intended for the transmission of electrical energy in overhead electrical networks in the atmosphere of air of types III and II on land and sea in all macroclimatic regions. It can also be used as a conductor of the electric current in conductive and distribution segments in the stationary electrical installations.<\/p>\n In the normal atmospheres, copper is highly resistant to corrosion. The copper conductor is characterized by rather slow oxidation, as a result of which it becomes covered with a thin oxide film. The oxide film does not interfere with the passage of current, protects the wire from further destruction and is well resistant to the chemical attack of various substances. All this makes copper products an ideal choice when laying power lines. But it should be remembered that certain impurities in the atmosphere can cause increased corrosion of this metal. For example, sulfur dioxide, nitrogen oxide, hydrogen sulfide, chlorine, acids and other substances. In this regard, it is not advisable to use copper wires in a highly aggressive environment and on the coast of the seas.<\/p>\n In addition, due to the scarcity of non-ferrous metals, copper is used most often in difficult conditions where increased conductivity and corrosion resistance are required. It is for this reason, in contrast to the wires of the A<\/a> and AS<\/a> brands, the M wires have not become widely used when laying overhead power lines. They require a special feasibility study. Structurally, the M wire can consist of one round copper wire. Or it can be stranded from several copper wires, with a cross-section from 4 to 400 mm2<\/sup>. Solid wires are cheaper, but they are less flexible and has the lower mechanical strength.<\/p>\n Multi-wire conductors are stranded with the correct twist. There is one wire in the center of the section, and the wires of the second twist are wound concentrically around it. At the same time, the number of wires for each next layer increases. The twisting of the adjacent layers is made in opposite directions, and the outer layer has the right direction of twisting, which prevents the wire from unwinding. With an increase in the cross-section, the number of twisting wires also increases.<\/p>\n\u00a0<\/strong>Applicability scope<\/strong><\/h5>\n
Design<\/strong><\/h5>\n