. The inventions : researches and writing of Nikola Tesla, with special reference to his work in polyphase currents and high potential lighting . o two of wliicli, as he, oiu fcrminal of eachcoil, iis / t/, is coiiructcd. {he rcmaiiiiiig tcniiiiials, /^</, arc bothcoMiicctcd to till third ring, (t. A motor ill this case is shown as composed of a ring, ii, womulwith Iniir c(»ils, i i .i .i, elect ricall\ coiiiiecled, so as to co-o|iciateill pairs, with a tendency to ti\ the poles of iluringat four pointsninety degrees apart. Within the magnetic ring n is a ilisc orcylindrical <nic \\(miim
. The inventions : researches and writing of Nikola Tesla, with special reference to his work in polyphase currents and high potential lighting . o two of wliicli, as he, oiu fcrminal of eachcoil, iis / t/, is coiiructcd. {he rcmaiiiiiig tcniiiiials, /^</, arc bothcoMiicctcd to till third ring, (t. A motor ill this case is shown as composed of a ring, ii, womulwith Iniir c(»ils, i i .i .i, elect ricall\ coiiiiecled, so as to co-o|iciateill pairs, with a tendency to ti\ the poles of iluringat four pointsninety degrees apart. Within the magnetic ring n is a ilisc orcylindrical <nic \\(miim1 with two coiln, o <», which mav he ro\[- 28 TXI KNTfOXS OF XfKOLA TESLA. neettd to form two closed eircuitii!. The terminals / k of the twosets or pairs of eoils are connected, respectively, to the binding-posts e f, and tlie other terminals, // /, are connected to a singlehinding-post, d. T(^ operate the motor, three line-wires are nsedt(^ connect the terminals of the generator with those of the mo-tor. So far the apparent action or mode of o])eration of this ar-rangement is concerned, the single wii-e d. which is, so to fftfifflE Fin. 2a. !i comiiioii i-ttiii-ii-wirc for hotli cirrnits, may l)c r(giii(h(| as twoindependent wires. In the illustration, with the order of con-nection shown, coil iiof the gencratoi- is j^rodncing its maxinnnncurrent and coil i; its minimum; hence tlic current which passesthrough wire e, ring /y, hrusli //, line-wire k, tfiiniiml i, . wire /,coils I I, wire or t«rminal n, line-wire i». hrush //, v\\\<i u, andwire,/, fixes the polar line of the motor midway hetwcen the POLYPHASE CURRENTS. 29 two coils I I; but as the coil b moves from the position indicatedit generates less current, while coil b, moving into the lield, gen-erates moi-e. The current from coil b passes through the devicesand wires designated by the letters d, <?, o f, f A, j j, i, d, d, a\rt, and «/, and the position of the poles of the motor will be dueto
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Keywords: ., bookcentury1800, bookdecade1890, bookidinventionsre, bookyear1894
