Sinee-A90-Manual变频器操作说明书手册-ENG

User Manual of A90 Series InverterPrefaceThank you for choosing SINEE's A90 series inverter.Document No.:31010180Release time:2020-5Version:101The A90 series inverter is a high-reliability and small-sized inverter launched bySINEE.It supports the three-phase AC asynchronous motor and permanent magnetsynchronous motor;a variety of international leading drive control technologies,such as thevector VF (VVF)control and speed sensorless vector control (SVC);and speed output andtorque output.Features of the A90 series inverter:●No need for derating at the ambient temperature of 50C;●Small size,leading in the industry;Wide speed range and high control accuracy:VF/1:50;SVC/1:200;rated speed:±0.2%●High load capacity in low-frequency band:VF/1Hz/150%,SVC/0.25Hz/150%;●Perfect protections:protections against the overcurrent,overvoltage,overload,overheating,etc.Before using the A90 series inverter,please read this manual carefully and keep itproperly.While connecting the inverter to motor for the first time,please select the motortype (asynchronous or synchronous)correctly and set the motor nameplateparameters:rated power,rated voltage,rated current,rated frequency,rated speed,motor connection,rated power factor,etc.We are committed to continuously improving our products and product data,so thedata provided by us may be modified without prior notice.For the latest changes and contents,please visit www.sinee.cn.