Iziqalisi ezithambileyo (isiqalisi esithambileyo) yiseti yesiqalo esithambileyo semoto kunye nokuma okuthambileyo, iimpawu ezintsha zokhuseleko kwenye yezixhobo zolawulo lwemoto. Icandelo layo eliphambili liqhagamshelwe kumbane one-three charged ene-motor reverse parallel thyristor kunye ne-electronic control circuit yayo. Ingasebenzisa iindlela ezahlukeneyo, ulawulo lwe-angle ye-conductivity ye-thyristor echaseneyo ukuze yenze utshintsho lwe-voltage yokufaka yemoto elawulwayo ngokweemfuno ezahlukeneyo kwaye ifezekise umsebenzi owahlukileyo. Isiqalisi esithambileyo kunye nesiguquli se-frequency ziindlela ezimbini ezahlukeneyo zokusetyenziswa kweemveliso. Isiguquli se-frequency sisetyenziselwa iindawo ezifuna isantya, imveliso ayizukutshintsha kuphela i-voltage kunye nokutshintsha i-frequency ngaxeshanye.Umqalisi othambileyongokwenene ngumlawuli wevolthi yokuqalisa imoto, i-frequency ye-output voltage ayitshintshi. I-Converter inikezela ngayo yonke imisebenzi yokuqalisa ethambileyo, kodwa ibiza kakhulu kune-starter ethambileyo, ulwakhiwo luyinkimbinkimbi ngakumbi. I-Motor soft Starter isebenzisa umsonto phakathi kombane kunye ne-control motor soft Starter, ulawulo lwe-engile ye-thyristor conduction, i-voltage yokufaka imoto inyuka ukusuka kwi-zero ukuya kumsebenzi omiselweyo kancinci kancinci, kude kube sekupheleni kokuqalisa, inika i-motor voltage, eyi-soft-start, ngexesha lokuqalisa okuthambileyo, i-torque yokuqalisa imoto iyanda kancinci kancinci.
