DEVICE FOR ASYNCHRONOUS SQUIRREL-CAGE MOTOR CONTROL

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to electrical engineering and can be used in metal cutting machines and industrial robots. purpose u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 u00a0u0432u043bu00a0u0435u0442u0441u00a0 reduce energy loss and improve the efficiency of the device.this device u0434u043bu00a0 u0434u043bu00a0 u0443u043fu0440u0430u0432u043bu0435u043du0438u00a0 u043au043eu0440u043eu0442u043au043eu0437u0430u043cu043au043du0443u0442u044bu043c asynchronous motor is introduced u0444u043eu0440u043cu0438u0440u043eu0432u0430u0442u0435u043bu044c 11 of u0442u0438u0432u043eu044du0434u0441, entrance is connected to gate filter 2 in the chain u0432u044bu043fu0440u00a0u043cu0438u0442u0435u043bu00a0 1 and autonomous inverter 3 to which connected asynchronous motor 4. u0443u043fu0440u0430u0432u043bu00a0u044eu0449u0438u0439 entrance u0444u043eu0440u043cu0438u0440u043eu0432u0430u0442u0435u043bu00a0 u0441u0432u00a0u0437u0430u043d switchover unit 10 u0440u0435u0433u0443u043bu0438u0440u043eu0432u0430u043du0438u00a0 u043du0430u043fu0440u00a0u0436u0435u043du0438u00a0, united with the blocks 5.8 and 9, respectively, u0443u043fu0440u0430u0432u043bu0435u043du0438u00a0 autonomous u0438u043du0432u0435u0440u0442u043eu0440u043eu043c 3, u0432u044bu043fu0440u00a0u043cu0438u0442u0435u043bu0435u043c 1 and various network u0438u043du0432u0435u0440u0442u043eu0440u043eu043c 7. solution u0444u043eu0440u043cu0438u0440u043eu0432u0430u0442u0435u043bu00a0 11 is connected to an inverter 7. as a result, in the process of braking energy recovery in a network u0434u0432u0438u0433u0430u0442u0435u043bu00a0 4 u043eu0431u0435u0441u043fu0435u0447u0438u0432u0430u0435u0442u0441u00a0 smooth limit current recovery by smoothly regulated about u0442u0438u0432u043eu044du0434u0441. 6). (l, c