User Manual of A90 Series Inverter Preface Thank you for choosing SINEE’s A90 series inverter. Document No.: 31010180 Release time: 2020-5 Version: 101 The A90 series inverter is a high-reliability and small-sized inverter launched by SINEE. It supports the three-phase AC asynchronous motor and permanent magnet synchronous motor; a variety of international leading drive control technologies, such as the vector VF (VVF) control and speed sensorless vector control (SVC); and speed output and torque output. Features of the A90 series inverter: No need for derating at the ambient temperature of 50°C; Small size, leading in the industry; Wide speed range and high control accuracy:
VF/1:50; SVC/1:200; rated speed: High load capacity in low-frequency band: VF/1Hz/150%, SVC/0.25Hz/150%; ±0.2%; Perfect protections: protections against the overcurrent, overvoltage, overload, overheating, etc. Before using the A90 series inverter, please read this manual carefully and keep it properly. While connecting the inverter to motor for the first time, please select the motor type (asynchronous or synchronous) correctly and set the motor nameplate parameters: rated power, rated voltage, rated current, rated frequency, rated speed, motor connection, rated power factor, etc.
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