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HVAC Vector Frequency Inverter 22KW / 30KW 3AC 380V High Performance

Categories Vector Frequency 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
intelligent control: Speed sensorless open loop vector control
way of communication: Standard Modbus communication
Terminal function: Rich multi-function terminal
Smart Start/sttop: Reliable Speed Tracking Restart Performance
PCB protection: Spray three anti-paint to protect the circuit board intelligently and efficiently
design: Modular design, compact structure, easy maintenance and enhanced product interchangeability
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HVAC Vector Frequency Inverter 22KW / 30KW 3AC 380V High Performance

HVAC High Performance Vector Frequency Inverter 22KW 30KW 3AC 380V

The KD330 series inverter is a universal high-performance drive vector control function inverter.
High-performance current control technology, low frequency and high torque output, strong overload capability, superior stability and dynamic performance.
High-performance open-loop vector inverter platform, dedicated inverter developed for HVAC industry application characteristics and control requirements, can be widely used in heating and water supply applications

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)
Overload capacity150% / 120s, 160% / 60s, 180% / 10s, 200% / 1s.
Starting torque0.5Hz/180% (SVC); 1Hz/150% (V/f)
Speed control precision±0.5% (SVC)
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.
Frequency accuracyDigital setting: 0.01Hz
Analog setting: maximum frequency ×0.05%
Torque boostAutomatically torque boost; manually torque boost: 0.1%~30.0
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.
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
NoItemsKD330
1Reliable hardwareOnly first-class componens are built-in.
2Rubust designIGBT current > 2 times of inverter output current
Capacitor > 50uF/A
3Finished products aging test100% test, 50°C, 24 hours.
4PCB aging test100% test, 50°C, 12 hours.
5Grouped pulse testingWithout failure under 4500V (better EMC performance).
6Electrostatic testing1. Noncontact conditions -- without failure under 10000V.
2. Under contact condition -- without failure under 5000V.
7High overload capacity150% / 120s, 160% / 60s, 180% / 10s, 200% /1s
8Smart start / stop modeAcceleration / Deceleration time can be set as 0.0s, the inverter starts and stops the motor as fast as possible without failure.
9Big start torque0.5Hz/150% (V/f), 1Hz/150% (SVC)
10EMC filterC3 level EMC filter build-in standardly








Product Tags:

vector drive vfd

  

ac inverter drives

  
Quality HVAC Vector Frequency Inverter 22KW / 30KW 3AC 380V High Performance for sale
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