B900 series frequency inverter/AC drive 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.
Bedford (QuanZhou) Electronic Co., Ltd established in May. 1998, which is one of the professional variable frequency drive (VFD) manufacturers and suppliers in China. Ever since its establishment, "Bedford" never stops making contribution towards the industrial automation technology. Bedford series core products include B550series sensorless current vector frequency inverter, B500 series general frequency inverter, B900 series vector flux frequency inverter etc. Which is famous for the promotion and application of advanced manufacturing techniques and concern of energy saving and environmental protection.
Bedford offers the complete quality package-the first class quality coupled with reliablity & superb service. Each product is subject to full electrical and mechanical testings within our quality control department before being passed for stock.
Our Purposed is to be a dynamic manufacturer and suppliers of industrial Automation technology and the advocator of "Energy Revaluation" to maintain a "Green Earth" outlook towards the environments. Bedford Recently is committing to expand our global market-seeking cooperation partner as Bedford agent or distributors in all over the worlds (REEFORD Brand & OEM available).
Now we exported our B500/B550/B900 series frequency inverter to more than 38 countries in 20000pieces such as Italy, Greece, Spain, Cyprus, Russia, India, Pakistan, Brazil, Chile, Iran, Argentina, Mexico, Singapore, Malaysia etc...
We cordially welcome the customer and friends from both domestic and aboard to establish the long standing, mutual benefits business relationship with us to face the brilliant future.
