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Textile Machine VFD Variable Frequency Drive 3AC 0.75KW With DC Braking

Categories VFD Variable Frequency Drive
Brand Name: Kinda
Model Number: KD330
Place of Origin: China
MOQ: Negotiable
Price: Negotiable
Payment Terms: TT
Supply Ability: Adequate inventory
Delivery Time: 3~8 Day
Motor protection: Over current, overload, blocking, high efficiency protection motor
Speed regulation: Panel adjustment for stepless speed regulation and improved finished product quality
start up: Start smoothing and reduce mechanical shock
Braking method: With DC braking, resistance energy braking
self-study: Motor parameter rotation, stationary self-learning
intelligent control: Speed sensorless open loop vector control
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    Textile Machine VFD Variable Frequency Drive 3AC 0.75KW With DC Braking

    Textile Machine VFD Variable Frequency Drive 3AC 0.75KW 380V~460V


    working principle


    The air jet loom is a shuttleless loom that uses a jet stream to pull the weft yarn across the shed.


    The working principle is to use air as the weft insertion medium, and the compressed airflow generated by the jet is used to pull the frictional traction force of the weft yarn, and the weft yarn is taken through the shed, and the jet generated by the jet is used to achieve the purpose of weft insertion. This weft insertion method enables the loom to achieve high speed and high yield. Among several shuttleless looms, the air jet loom is the one with the highest speed. Due to the reasonable weft insertion method, the weft insertion rate is high, the operation is simple and safe, the variety adaptability is wide, the machine material consumption is low, and the efficiency is high. High speed and low noise have become one of the most promising new types of cloth machines.


    ItemTechnical IndexSpecification
    InputInput voltage1AC 220~240V±15%
    3AC 220~240V±15%
    3AC 380~460V±15%
    Input frequency50/60Hz±5%
    OutputOutput voltage0~rated input voltage
    Output frequency0~6000Hz
    Control FeaturesControl modeV/f control
    Sensorless vector control
    Torque control
    Operation command modeKeypad control
    Terminal control
    Serial communication control (Modbus)
    Frequency setting modeDigital setting, analog setting, pulse frequency setting, serial communication setting, multi-step speed setting & simple PLC, PID setting, etc. These frequency settings can be combinated & switched in various modes.
    Overload capacity150% / 120s, 160% / 60s, 180% / 10s, 200% / 1s.
    Starting torque0.5Hz/180% (SVC); 1Hz/150% (V/f)
    Speed control precision±0.5% (SVC)
    Carrier frequencytemperature and load characteristics 0.5~16.0kHz, automatically adjusted according to
    Frequency accuracyDigital setting: 0.01Hz
    Analog setting: maximum frequency ×0.05%
    Torque boostAutomatically torque boost; manually torque boost: 0.1%~30.0
    V/f curveThree types: linear, multiple point and square type (1.2 power, 1.4 power, 1.6 power, 1.8 power, square)
    Acceleration/deceleration modeStraight line/S curve; four kinds of acceleration/deceleration time, range: 0.0s~65000s
    Braking unitbuild-in standard.
    DC brakingDC braking when starting and stopping
    DC braking frequency: 0.0Hz~maximum frequency
    Braking time: 0.0s~25.0s
    Jog operationJog operation frequency: 0.0Hz~maximum frequency
    Jog acceleration/deceleration time: 0.1s~3600.0s
    Simple PLC & multi-step speed operationIt can realize a maximum of 16 multi-step speeds running via the built-in PLC or control terminal.
    Built-in PIDBuilt-in PID control to easily realize the close loop control of the process parameters (such as pressure, temperature, flow, etc.)
    Automatic voltage regulationKeep output voltage constant automatically when input voltage fluctuating
    Control FunctionTorque controlTorque control without PG
    Wobble frequency controlMultiple triangular-wave frequency control, special for textile
    Timing/length/counting controlTiming/length/counting control function
    Over-voltage & over-current stall controlLimit current & voltage automatically during the running process, prevent frequent over-current & over-voltage tripping
    Fault protection functionComprehensive protections include over-current, over-voltage, under-voltage, overheating, default phase, overload, shortcut, etc., can record the detailed running data while failures happen.
    Input/output terminalsInput terminalsProgrammable digital input: 7 multifunctional inputs, one can be work as high speed pulse input.3 programmable analog input:AI1, AI2, AI3: 0~10V / 4~20mA
    Output terminals2 relay outputs,
    2 open collector outputs,
    2 anaalog outputs, 0~10V / 4~20mA
    Communication terminalsBuild-in standard RS485 communication interface, support MODBUS-RTU communication protocol
    Human machine interfaceLED displayDisplay frequency setting, output frequency, output voltage,output current, etc. Two lines display
    EnvironmentAmbient temperature-10~50°C, without direct sunshine.
    Humidity90%RH or less (non-condensing)
    Altitude≤1000M: output rated power, >1000M: output derated
    Storage temperature-20~60°C

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