Traction system for elevators, escalators, moving walkways and wind generators, which are equipped with asynchronous motors, asynchronous motors for the above traction system

摘要

1. the system u0442u00a0u0433u0438 u0434u043bu00a0 elevators, escalators, moving tracks and wind generators, u0432u043au043bu044eu0447u0430u044eu0449u0430u00a0 electric motor u0434u043bu00a0 activation, u0441u043eu0441u0442u043eu00a0u0449u0430u00a0 of stator and rotor and in the case of the elevators, emergency system u0434u043bu00a0 activation in the recession u043du0430u043fu0440u00a0u0436u0435u043du0438u00a0 system u043eu0442u043bu0438u0447u0430u044eu0449u0430u00a0u0441u00a0 what;electric motor u00a0u0432u043bu00a0u0435u0442u0441u00a0 u0442u0440u0435u0445u0444u0430u0437u043du044bu043c asynchronous with the first type of u0434u0432u0438u0433u0430u0442u0435u043bu00a0, which u043fu0440u0438u043cu0435u043du00a0u0435u0442u0441u00a0 directly u0434u043bu00a0 elevators, escalators and moving u0434u043eu0440u043eu0436 ec, u0434u043bu00a0 u0443u0441u0442u0440u0430u043du0435u043du0438u00a0 requirements in the standard engine, u0441u043du0430u0431u0436u0435u043du043du043eu043c transmission, with a wide range of active power circuit at least 2.2 kw and a maximum of 20 square t; and the second type u0434u0432u0438u0433u0430u0442u0435u043bu00a0,which u043fu0440u0438u043cu0435u043du00a0u0435u0442u0441u00a0 directly u0434u043bu00a0 system u0442u00a0u0433u0438 wind generators, as u0434u043bu00a0 run of the generator, and u0434u043bu00a0 u044du043bu0435u043au0442u0440u043eu043cu0430u0448u0438u043du043du043eu0433u043e generator, u0443u0441u0442u0440u0430u043du00a0u00a0 the standard u043cu0443u043bu044cu0442u0438u043fu043bu0435u043au0441u043du044bu0439 multiplier, with a wide range of active power circuit from a minimum of 20 kw and up to a maximum of 2000 kw; and;the power chain, from the start to the current speed u0434u0432u0438u0433u0430u0442u0435u043bu00a0 u00a0u0432u043bu00a0u0435u0442u0441u00a0 function of angular velocity u0434u0432u0438u0433u0430u0442u0435u043bu00a0, where its initial value is zero and preservation u043du00a0u0435u0442u0441u00a0 u043fu043eu0441u0442u043eu00a0u043du043du043e further smaller or equal to the nominal value of the u0432u044bu0448u0435u0441u043au0430u0437u0430u043du043du043eu0439 operating speed; and;only when u0443u0441u0442u0430u043du0430u0432u043bu0438u0432u0430u044eu0442u0441u00a0 speed and u043du0430u043fu0440u00a0u0436u0435u043du0438u0435 necessary u0434u043bu00a0 each u043fu0440u0438u043cu0435u043du0435u043du0438u00a0, u043eu043fu0440u0435u0434u0435u043bu00a0u044eu0442u0441u00a0 positive mechanical and electrical parameters u0434u0432u0438u0433u0430 u0442u0435u043bu00a0 and his u043du0430u043fu0440u00a0u0436u0435u043du0438u0435 and u0432u0445u043eu0434u043du0430u00a0 frequency.;2.u0442u0440u0435u0445u0444u0430u0437u043du044bu0439 asynchronous motor u0434u043bu00a0 systems u0442u00a0u0433u0438 u0434u043bu00a0 elevators, escalators, moving tracks and wind generators, u0441u043eu0441u0442u043eu00a0u0449u0438u0439 of the stator (1) and a rotor (2), each of the u043eu0442u043eu0440u044bu0445 consists of a package of magnetic plates, the thickness of each of the aforementioned packages u00a0u0432u043bu00a0u0435u0442u0441u00a0 equal magnetic plates, a stator (1), the form of which u00a0u0432u043bu00a0 u0435u0442u0441u00a0 square with the means ", u0441u0440u0435u0437u0430u043du043du044bu043cu0438 angleshas a central cylindrical opening, u043au0440u0430u00a0 which limit the inner surface where the direction of the axis of u043du0430u0445u043eu0434u0438u0442u0441u00a0 u0443u043fu043eu0440u00a0u0434u043eu0447u0435u043du043du044bu0445 grooves (14) dl u00a0, to insert the u043du0430u043cu043eu0442u043au0443 magnetic plates, and a rotor (2) having a cylindrical form with a central gap, which also u00a0u0432u043bu00a0u0435u0442u0441u00a0 cylindrical, u0434u043bu00a0 the above u0434u0432u0438u0433u0430u0442u0435u043bu00a0 u0434u043bu00a0 cutting u043au0440u0435u043fu043bu0435u043du0438u00a0,and u0432u043du0435u0448u043du00a0u00a0 surface, the grooves in the direction of the axis of the rotor, u0438u043cu0435u044eu0449u0430u00a0 u0434u043bu00a0, to insert the copper u043fu0440u0443u0442u044cu00a0 (21), which are welded to the ends of the two rings (22) the copper shaped spinner rotor bars, u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0, u0432u044bu0448u0435u0441u043au0430u0437u0430u043du043du044bu043cu0438 mechanical design parameters u0434u0432u0438u0433u0430u0442u0435u043bu00a0 u00a0u0432u043bu00a0u044eu0442u0441u00a0:;the first type u0432u044bu0448u0435u0443u043fu043eu043cu00a0u043du0443u0442u044bu0435 magnetic plates in the form of a square with u0441u0440u0435u0437u0430u043du043du044bu043cu0438, means "angles that u0441u043eu0441u0442u0430u0432u043bu00a0u044eu0442 stator (1) have a width and you sota equal 385 u043cu043c20% in u0432u0440u0435u043cu00a0 as the second type, the width and the height can reach up to 2000 mm, 20%;;the number of axial grooves (14) of the stator u0440u0430u0432u043du00a0u0435u0442u0441u00a0 from 60 to 84, and preferably u0432u044bu0448u0435u0443u043fu043eu043cu00a0u043du0443u0442u043eu0435 72, the number of u043eu0431u00a0u0437u0430u0442u0435u043bu044cu043du043e must be cra tno number 12.;the thickness of the aforementioned packages stator magnetic plates (1) and a rotor (2) u0440u0430u0432u043du00a0u0435u0442u0441u00a0 from 80 to 300 mm in the first type, and up to 1000 mm in the second type, to the efforts of the power u0434u0432u0438u0433u0430u0442u0435u043bu00a0;;an air gap (15) or u0440u0430u0441u0441u0442u043eu00a0u043du0438u0435 between u0432u044bu0448u0435u0441u043au0430u0437u0430u043du043du043eu0439 outer surface, a rotor (2) and the inner surface of the u0432u044bu0448u0435u0441u043au0430u0437u0430u043du043du043eu0439, cil u0438u043du0434u0440u0438u0447u0435u0441u043au043eu0433u043e gap, the stator u0441u043eu0441u0442u0430u0432u043bu00a0u0435u0442 0.4 mm to 0.1 mm.;the diameter of the outer surface of the u0432u044bu0448u0435u0441u043au0430u0437u0430u043du043du043eu0439 above the rotor (2) u0440u0430u0432u043du00a0u0435u0442u0441u00a0 280 mm.;the axial slots of the rotor (1) u0441u043eu0441u0442u0430u0432u043bu00a0u0435u0442 from 54 to 76 and u0440u0430u0432u043du00a0u0435u0442u0441u00a0 preferably 66.;the number of axial grooves of the rotor (2) u0441u043eu0441u0442u0430u0432u043bu00a0u0435u0442 approximately 90% of the number of axial grooves (14) of the stator (1);;u0432u044bu0448u0435u0441u043au0430u0437u0430u043du043du044bu0435 rotor axial grooves (2) forming the angle 8 with the original ideal cylinder formed u0432u044bu0448u0435u0441u043au0430u0437u0430u043du043du043eu0439 u0440u043eu0442u043eu0440u043du043eu0439 bars;;u0432u044bu0448u0435u0441u043au0430u0437u0430u043du043du044bu0435 copper u043fu0440u0443u0442u044cu00a0 (21) and a ring (22), which u0441u043eu0441u0442u0430u0432u043bu00a0u044eu0442 spinner rotor bars are u043fu0435u0440u0435u0441u0435u043au0430u044eu0449u0438u0435u0441u00a0 section 516 mm.;3. u0442u0440u0435u0445u0444u0430u0437u043du044bu0439 asynchronous motor in accordance with paragraph 2, u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0, u0432u044bu0448u0435u0441u043au0430u0437u0430u043du043du044bu043cu0438 electrical design parameters u00a0u0432u043bu00a0u044eu0442u0441u00a0:;stator (1), which has a coil with 12 poles;;in u0441u0442u0430u0442u043eu0440u0435 (1) and the rotor (2) current density does not exceed 6 a / mm2.;asynchronous motor has a drop of approximately 8% for enabling synchronous speed.;4. asynchronous motor, in accordance with paragraph 2, u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 because the power chain, from the start to the operating speed u00a0u0432u043bu00a0u0435u0442u0441u00a0 growing function of angular velocity. u0438u0433u0430u0442u0435u043bu00a0, whose initial value is zero, which is always less than or equal to u043eu0441u0442u0430u0435u0442u0441u00a0 rated power at the operating speed u0434u0432u0438u0433u0430u0442u0435u043bu00a0.;5. asynchronous motor in accordance with para.2 u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0, u0434u043bu00a0 u0443u0432u0435u043bu0438u0447u0435u043du0438u00a0 diameter stator (1) up to 2000 mm, and the thickness of a package of magnetic stator plates (1) and a rotor (2) to 1000 mm and u0440u0430u0431u043eu0442u0430u00a0 on constructive and the characteristics of u0434u0432u0438u0433u0430u0442u0435u043bu00a0 and u043fu0438u0442u0430u00a0 the resulting asynchronous motor necessary u043du0430u043fu0440u00a0u0436u0435u043du0438u0435u043c and frequency corresponding to the phase shift between the adjacent floor u044eu0441u0430u043cu0438 in accordance with the number of the mentioned poles.the choice of a nominal as u0432u0440u0430u0449u0435u043du0438u00a0 speed within a wide range, and the output of the u0434u0432u0438u0433u0430u0442u0435u043bu00a0 from 20 to 2000 kw, and the use of it in the wind u0440u0430u0442u043eu0440u0430u0445 without u043fu0440u0438u043cu0435u043du0435u043du0438u00a0 standard u043cu0443u043bu044cu0442u0438u043fu043bu0435u043au0441u043du043eu0433u043e component.