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Sensorless Open and Closed Loop Vector AC Drive. The VFD-B series represents Delta's NEMA1 general purpose AC drive. The VFD-B series drive is rated to provide constant torque, featuring open and closed loop vector control. Delta offers an optional 2000 Hz high speed output that can be factory programmed at the customer's request.
1.Using 16-bit microprocessor, Zhengxuan wave PWM control
2.Automatic torque boost and automatic slip compensation
3.Output frequency 0.1 ~ 400Hz
4.16 segments can be preset speed and 15 sections can run the program
5.Built-in PID feedback control and PG speed feedback control
6. Four kinds of acceleration and deceleration time selection
7. Built-in MODBUS (RS-485 baud rate up to 38400)
8. Can prohibit the reverse, deceleration stop and freewheeling stop
9. Automatic estimation of motor parameters and extensive use of vector control
10. Settable V / F curve and automatic voltage regulator output
Standard Specifications 230V Series 1-phase/3-Phase
|Max. Applicable Motor Output(kW)||2.2KW|
|Max. Applicable Motor Output(HP)||3HP|
|Rated Output Capacity(kVA)||4.2kVA|
|Rated Output Current(A)||5.5A|
|Maximum Output Voltage(V)||3-Phase Proportional to input voltage|
|Output Carrier Frequency(kHz)||1KHz-15KHz|
|Input RatedCurrent(A)||3-Phase 5.9A|
|3-Phase Input Current||5.9A|
|Input Rated Voltage, Frequency||3-Phase 380-480V, 50/60Hz|
|Input Voltage Tolerance||±10% (342~528V)|
|Input Frequency Tolerance||±5%（47-63Hz）|
|Cooling Method||Fan cooled|
Delta VFD-B Series Technical Parameters
|Control Method||Positive sine wave PWM mode / (V / F control & sensorless vector control)|
|Frequency Set the resolution||0.01Hz|
|Output frequency resolution||0.01Hz|
|Torque characteristics||Automatic torque compensation|
|Overload capacity||150% of rated output current runs for 60 seconds|
|Setting the frequency is prohibited||From 0.1 to 400Hz, 3 points can be freely set|
|Acceleration / deceleration time||0.1~3600 seconds|
|Stall Prevention Level||Inverter rated current of 20 ~ 250%|
|DC braking||Braking current 0 ~ 100% of the rated current|
|Brake torque back up||About 20%|
|V/F||Arbitrary V / F curve setting and 1.5,1.7,2,3 power curve|
|Operation panel||Set by RUN, STOP, JOG key|
|External terminal||2-wire / 3-wire type (FWD, REV, EF)Inching operation，RS485|
|Analog signal output||Can indicate the output frequency, current, voltage, speed and so on|
|Built-in function 1||Automatic regulator output adjustment, S curve setting|
|Built-in function 2||Over-voltage, over-current stall prevention，Do not reverse|
|Built-in function 3||Output frequency upper and lower limit setting，Vector control|
|Built-in function 4||PG / PID feedback control,Parameter reset & password lock|
|Protective function||Voltage, current, overload protection，Ground protection|
Air conditioners for large buildings; woodcarving machine; punching machine; wastewater treatment systems; crane drive and swivel; washing machine; vertical stamping machines; compressor; elevator; escalator; circular loom; flat knitting machine; pasta machine; four-sided woodworking planer, etc
1. Usually we will ship the items within 3 working days after the payment is reached.
2. DHL, UPS, Fedex, or EMS is available for shipping.
3. Delivery time:DHL, UPS, Fedex, EMS express shipping usually take 3-10 working days depends on the country delivered to.
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5. Buyers please note: Accessories tariffs must be buyers to pay.The buyer can choose EMS express to avoid tariffs.
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We accept 14 days return policy. If you want to return the item, please contact us in 14 days first and make sure the package is un-opened. The buyer has to pay for the go and back delivery cost and the custom fee of each country. Once we received the product and checked, we will make refund for the part in 24 hours.
Any quality problem in normal use during the warranty period, we will repair for free. The buyer should pay the return cost and our company will pay the re-shipping cost.
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