AC vector control system
Total digital control vector control system
vector control system with full digital method
Stator Voltage Oriented Vector Control System
Slip-frequency vector control system
frequency-conversion vector control system
Slip Frequency Vector Control
Thrust vector control system
Advanced Control System
Frequency Control System
变频调速系统
频率控制体系
变频控制系统
调频系统
变频调速
air pollution control system
exhaust-air and frequency automatic control system
Air Leakage Control System
Air Conditioning Control System