The paper analyzed the theory of improving start performance of coiling asynchronous motor and proposed a control scheme of improving start performance of asynchronous motor. namely parallelling chopper and start resistor of rotor rectifier circuit. and continuously changing duty cycle of the chopper to make start resistor of motor maintain a constant value with increase of rotate spe... https://www.markbroyard.com/quick-sale-savannah-tropic-pure-argan-oil-hair-serum-125ml-oos-on-sale-mega-super/