无刷直流电机调速实验
BLDCM velocity modulation experiment
直流电机调速
DC speed-regulating
speed control of DC motor
DC motor speed regulation
DC motor speed adjusting
timing of ac motor
DC motor speed regulating
DC-motor speed modification
直流电机调速系统
Speed regulating system of DC motor
DC motor speed drive system
交直流调速器
alternating current-direct current
全数字直流调速器
full digital DC regulator
digital DC speed adjustor
full digital DC-drive
一种新型直流调速电路
A New DC Motor Speed-Control Circuit
闸流晶体管直流调速器
thyristor DC speed regulator
直流电流-电压特性
DC current-voltage characteristics
直流调速电动机
speed adjustable DC motor
IFT5交流调速电机
IFT 5 AC adjustable-speed motor
单相交流电机调速
single-phase AC electromotor velocity modulation
交流电机调速系统
AC motor speed governing system
AC motor speed control system