JR9000 series Variable Speed Drives / Variable Frequency Drives / Motor Drives / Inverter:
1. Sensorless Speed Vector & V/F Control
2. DSP Control

3. High speed control accuracy
4. Rapid torque response

Adopts advanced DSP control system, incorporates built-in sensorless vector control and V/F control. The whole series adopts G/P integrated design, positions at OEM customers in middle and high-end markets and load application of fan pumps with specific requirements and can be widely applied where there are high requirements at speed control precision, torque response speed and low- frequency output features.

Technical performance:
*Control mode: Sensorless vector control (SVC), V/F control
*Overload capacity: 150% rated current for 60S; 180% rated current for 10S;
*Start torque: Vector control without PG: 0.5Hz/150%(SVC)
*Adjustable speed ratio: Vector control without PG: 1: 100
*Speed control precision: Vector control without PG: ± 0.5% maximum speed
*Carrier frequency: 1.0~15.0KHz

Functions:
*Frequency setting mode: Digital, Analog, Serial Communication, Multi-step speed, PID etc.
*PID control function
*Multi-step Speed Control function: 8 steps speed control
*Energy saving running mode
*Instantaneous power-off not-stop function
*Swing frequency control function
*Double-channel analog feedback input function
*Motor parameter self-study function
*Re-start function of rotation traceability: Realize non-impact smooth *start of motor in rotation
*QUK/JOG key function: The multi-functional fast key defined freely by the customer
*Provide over 20 failure protection functions