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Textile Machine Variable Frequency Drive Inverter 3 Phase 4KW 380V - 460V

Categories Variable Frequency Drive Inverter
Place of Origin: China
Brand Name: Kinda
Model Number: KD330
MOQ: Negotiable
Price: Negotiable
Delivery Time: 3~8 Day
Payment Terms: TT
Supply Ability: Adequate inventory
Motor protection: Over current, overload, blocking, high efficiency protection motor
self-study: Motor parameter rotation, stationary self-learning
Braking method: With DC braking, resistance energy braking
start up: Start smoothing and reduce mechanical shock
Starting torque: 0.5Hz/150% torque, speed ratio 1:100, dynamic response <20ms, steady speed accuracy ±0.2%
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    Textile Machine Variable Frequency Drive Inverter 3 Phase 4KW 380V - 460V

    Air jet loom Variable Frequency Drive Inverter 3AC 4KW 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 FeaturesFrequency 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.
    Control modeTorque control
    V/f control
    Sensorless vector control
    Operation command modeTerminal control
    Keypad control
    Serial communication control (Modbus)
    Overload capacity150% / 120s, 160% / 60s, 180% / 10s, 200% / 1s.
    Frequency accuracyAnalog setting: maximum frequency ×0.05%
    Digital setting: 0.01Hz
    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
    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
    Built-in PIDBuilt-in PID control to easily realize the close loop control of the process parameters (such as pressure, temperature, flow, etc.)
    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.
    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 terminalsOutput terminals2 open collector outputs,
    2 relay outputs,
    2 anaalog outputs, 0~10V / 4~20mA
    Input 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
    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
    NoItemsKD330
    1Reliable hardwareOnly first-class componens are built-in.
    2Rubust designIGBT current > 2 times of inverter output current
    Capacitor > 50uF/A
    3PCB aging test100% test, 50°C, 12 hours.
    4Finished products aging test100% test, 50°C, 24 hours.
    5Loading test1. After manufacturing.
    2. After aging test.
    Two times, 100% tested:
    6Grouped pulse testingWithout failure under 4500V (better EMC performance).
    7Smart start / stop modeAcceleration / Deceleration time can be set as 0.0s, the inverter starts and stops the motor as fast as possible without failure.
    8Electrostatic testing1. Under contact condition -- without failure under 5000V.
    92. Noncontact conditions -- without failure under 10000V.
    High overload capacity150% / 120s, 160% / 60s, 180% / 10s, 200% /1s
    10Big start torque0.5Hz/150% (V/f), 1Hz/150% (SVC)
    11LED display>7,5kW, two lines parameters dispaly, convenient for commissioning and operating.
    12EMC filterC3 level EMC filter build-in standardly
    Quality Textile Machine Variable Frequency Drive Inverter 3 Phase 4KW 380V - 460V for sale
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