... 0.4kw 380v general used frequency converter/ vfd for water pump Introduction of SVF-G7 Series High-performance Vector General-purpose ... torque V/F curve, custom V/F percentage(can realize manual energy saving control), multipoint VF curve. This apply to the ... one frequency inverter drives multiple motors, such as fan, water pump, engraving machine, injection molding machine etc. (2) Open-loop vector ...