Control of electrical machines
CORRECTION OF FLUX ERROR IN LOW SPEED RANGE OF DTC DRIVES OF INDUCTION MACHINES

Mohsen Dashtbani; Majid Hasanzadeh; Reza Roshanfekr

Volume 2, Issue 2 , April 2022, , Pages 26-33

https://doi.org/10.30503/eecs.2023.396796.1038

Abstract
  The conventional direct torque control (DTC) method suffers a flux drop at low speeds, which is due to the long selection of zero (neutral) voltage vectors in these speed areas. Past studies with the continuous switch of direct and reverse active vectors to achieve proper flux adjustment, this procedure ...  Read More

PROVIDING A METHOD FOR IMPROVING THE STARTUP CONDITIONS OF INDUCTION MOTORS BASED ON CHANGING THE LOAD CHARACTERISTICS

E. Dehjoo; R. Haghmaram; A. Mosallnejad

Volume 1, Issue 1 , January 2021, , Pages 19-27

https://doi.org/10.30503/eecs.2021.96298

Abstract
  In this paper, the problem of starting an induction motor is investigated and a solution is presented. The large current and considerable torque pulsation of the starting can damage the motor and other consumers connected to the feed line, and increasing the startup time will cause more heat and damage ...  Read More