Title :
Characteristics of AC-excited brushless synchronous motor under vector control
Author :
Oyama, Jun ; Higuchi, Tsuyoshi ; Abe, Naruhiko ; Toba, Shunsuke ; Yamada, Eiji
Author_Institution :
Dept. of Electr. & Comput. Eng., Nagasaki Univ., Japan
Abstract :
A study has been made of vector control of an AC-excited brushless synchronous motor. This novel motor has no separate exciter, and the rotor winding is only single-phase short-circuited. The stator winding is excited by a three-phase current, the amplitude of which is modulated by a trapezoidal wave. The excitation current command and the torque current command are estimated only by detecting the position of the rotor. The control method is investigated theoretically, and the experimental results for steady-state characteristics are presented.<>
Keywords :
control system analysis; machine theory; rotors; stators; synchronous motors; AC-excited brushless synchronous motor; amplitude modulation; control method; excitation current; machine theory; position; rotor winding; stator winding; steady-state characteristics; three-phase current; torque current; trapezoidal wave; vector control; Amplitude modulation; Frequency; Machine vector control; Permanent magnet motors; Rotors; Stator windings; Steady-state; Synchronous motors; Torque; Voltage;
Conference_Titel :
Power Electronics Specialists Conference, 1988. PESC '88 Record., 19th Annual IEEE
Conference_Location :
Kyoto, Japan
DOI :
10.1109/PESC.1988.18163
