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380V - 460V Three Phase Variable Frequency Drive Energy Saving High Stability

Categories Three Phase Variable Frequency Drive
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
High reliability: Mature and reliable drive, protection circuit design, anti-interference design
Automatic carrier adjustment: Automatically adjust carrier frequency based on load characteristics
Starting torque: 0.5Hz/150% torque, speed ratio 1:100, dynamic response <20ms, steady speed accuracy ±0.2%
High Overload Capacity: 150% / 120s, 160% / 60s, 180% / 10s, 200% /1s
Smart Start/sttop: Reliable Speed Tracking Restart Performance
Braking method: With DC braking, resistance energy braking
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    380V - 460V Three Phase Variable Frequency Drive Energy Saving High Stability

    General-Purpose Three Phase Variable Frequency Drive 380V~460V 0.75KW~630KW


    The KD330 series inverter is a universal high-performance drive vector control function inverter.


    The inverter-controlled speed control system is based on advanced technical control theory and intelligent control means to achieve extremely high responsiveness and stability.


    Small size, high precision, easy operation, high reliability, multi-layer protection of equipment, better than any previous speed regulation mode. The utility model has the advantages of simple structure, wide speed regulation range, high speed regulation precision, convenient installation and debugging, perfect protection function, stable and reliable operation, and remarkable energy saving effect.


    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 modeV/f control
    Sensorless vector control
    Torque control
    Operation command modeKeypad control
    Terminal control
    Serial communication control (Modbus)
    Overload capacity150% / 120s, 160% / 60s, 180% / 10s, 200% / 1s.
    Frequency accuracyDigital setting: 0.01Hz
    Analog setting: maximum frequency ×0.05%
    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 relay outputs,
    2 open collector 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 testTwo times, 100% tested:
    1. After manufacturing.
    2. After aging test.
    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. Noncontact conditions -- without failure under 10000V.
    92. Under contact condition -- without failure under 5000V.
    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 filter

    C3 level EMC filter build-in standardly


    ModelMotorRated Input Current (A)Rated Output Current (A)
    KWHP
    3AC 380~460V±15%
    KD330-00075T40.7513.42.8
    KD330-00150T41.5254.4
    KD330-00220T42.236.55.8
    KD330-00400T4451110
    KD330-00550T45.57.514.613
    KD330-00750T47.51020.617
    KD330-01100T411152625
    KD330-01500T415203532
    KD330-01850T418.52538.537
    KD330-02200T4223046.545
    KD330-03000T430406260
    KD330-03700T437507675
    KD330-04500T445609290
    KD330-05500T45575113110
    KD330-07500T475100157152
    KD330-09000T490125180176
    KD330-11000T4110150214210
    KD330-13200T4132175260253
    KD330-16000T4160210310304
    KD330-18500T4185250365350
    KD330-20000T4200260385380
    KD330-22000T4220300430426
    KD330-25000T4250330485465
    KD330-28000T4280370531520
    KD330-31500T4315420620585
    KD330-35500T4350470665650
    KD330-40000T4400530785725
    KD330-45000T4450600880820
    KD330-50000T4500660960900
    KD330-56000T456075010501000
    KD330-63000T463084011301100


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