Description

Technical Features
1. Control mode: SPWM
2. Start-up torque: 1.0Hz/**0%(SVC)
3. Built-in DC reactor (from *8.5kW to *0 kW) to improve power factor and efficiency.
4. Built-in breaking units . If need to stop rapidly, please connect the brake resistance directly.
5. Multi-step speed control: 8 steps can be set; PID control; Simple PLC.
6. Offer 5 multi-functional digital inputs , frequency, current, voltage, rotate speed, counter temperature, corotation and reversal, fault etc.
7. AVR: Can keep output constant voltage automatically when input voltage is fluctuating.
8. Offer RS**5 serial communication interface, adopts standard Modbus-RTU communication protocol.
9. Oscillation suppression function.
*0. Over-torque detection function.
*1. Multiple frequency upper limit setting source.
*2. Dormancy and wake-up function.
*3. Speed Tracing Function: Smoothly start the running motor.
*4. Fault protections:
Protect from over current, over voltage, under voltage, over temperature, phase failure, over load etc.
Application
1. Fans & pumps
2. Energy saving renovation of Central Air-conditioning System
3. Water flood pump & fuel supply pump
4. Energy saving renovation of air compressor
5. Circular-water pump, constant water supply
6. Musical Fountain