Frequency inverter/frequency converter(B900 series) adpot Yaskawa G5 series techonology and software, and apply high performanced current vector control and industry leading module design and control mechanism operated with highing open-loop and closed-loop flux vector control, Open-loop and closed-loop V/F control, B900 series realized speed control range1: 1000 and kinds of advanced functions such as slip compensation, torque compensation, speed control, silence PWM and self study function, etc...

Main features:
Adpot Yaskawa G5 technology and software.
1)Power range: 400V 1HP-1500HP(0.75kw-1125kw)
2)Input voltage: 3-phase, 380-460V, +10%~ -15%, 50/60Hz
3)Output frequency 0.1-400Hz
4)4 control mode selectable: Open-loop and close loop flux vector control, open-loop and closed loop V/F control.
5)Speed control precision +_0.02% with PG and +_0.2% without PG, frequency control precision +_0.01%
6)7 language on LCD keypad(English, Chinese, Germany, French, Japanese, Russian and Spanish)
7)Starting torque: 150% rated torque at 0Hz
8)Motor parameters auto-tuning
9)Function of DC braking in all range, Zero servo and speed trace.
10)Acceleration/deceleration pause(DWELL) and droop control function
11)Operater data copy to simplify multi-inverter trial
12)Energy save operation to reduce mechanical vibration
13)Torque control for smooth rolling operation
14)Strong and completed monitor function
15)Application for simple servo, High precision speed control, torque control and big inertia load
16)Abundant protection functions such as input/output phase loss protection, motor protection, over torque protection, torque limitation and other fault protection.

Typical applications:
Paper process, Rolling machine, lift equipment, scrolling euipment elevator, Crane and convey machine, metal machine tools, food process, big inertia loading mahine and other applications. It's available for all kinds of machines