Shenzhen Kinda Technology Co., Ltd
5 1

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

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Shenzhen Kinda Technology Co., Ltd
[China]

Address
S&T Building, Baiwang Xin Industrial Park, Xili,Nanshan District, Shenzhen, China,518055 Shenzhen Guangdong
Phone
86-0755-85240502
Contact name
Tim

Quick Information

  • Brand Name: Kinda
  • Place of Origin: China
  • Model Number : KD330

Description

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.

 

 

Item Technical Index Specification
Input Input voltage 1AC 220~240V±15%
3AC 220~240V±15%
3AC 380~460V±15%
Input frequency 50/60Hz±5%
Output Output voltage 0~rated input voltage
Output frequency 0~6000Hz
Control Features Control mode V/f control
Sensorless vector control
Torque control
Operation command mode Keypad control
Terminal control
Serial communication control (Modbus)
Frequency setting mode Digital 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 capacity 150% / 120s, 160% / 60s, 180% / 10s, 200% / 1s.
Starting torque 0.5Hz/180% (SVC); 1Hz/150% (V/f)
Speed control precision ±0.5% (SVC)
Carrier frequency temperature and load characteristics 0.5~16.0kHz, automatically adjusted according to
Frequency accuracy Digital setting: 0.01Hz
Analog setting: maximum frequency ×0.05%
Torque boost Automatically torque boost; manually torque boost: 0.1%~30.0
V/f curve Three types: linear, multiple point and square type (1.2 power, 1.4 power, 1.6 power, 1.8 power, square)
Acceleration/deceleration mode Straight line/S curve; four kinds of acceleration/deceleration time, range: 0.0s~65000s
Braking unit build-in standard.
DC braking DC braking when starting and stopping
DC braking frequency: 0.0Hz~maximum frequency
Braking time: 0.0s~25.0s
Jog operation Jog operation frequency: 0.0Hz~maximum frequency
Jog acceleration/deceleration time: 0.1s~3600.0s
Simple PLC & multi-step speed operation It can realize a maximum of 16 multi-step speeds running via the built-in PLC or control terminal.
Built-in PID Built-in PID control to easily realize the close loop control of the process parameters (such as pressure, temperature, flow, etc.)
Automatic voltage regulation Keep output voltage constant automatically when input voltage fluctuating
Control Function Torque control Torque control without PG
Wobble frequency control Multiple triangular-wave frequency control, special for textile
Timing/length/counting control Timing/length/counting control function
Over-voltage & over-current stall control Limit current & voltage automatically during the running process, prevent frequent over-current & over-voltage tripping
Fault protection function Comprehensive 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 terminals Input terminals Programmable 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 terminals 2 relay outputs,
2 open collector outputs,
2 anaalog outputs, 0~10V / 4~20mA
Communication terminals Build-in standard RS485 communication interface, support MODBUS-RTU communication protocol
Human machine interface LED display Display frequency setting, output frequency, output voltage,output current, etc. Two lines display
Environment Ambient temperature -10~50°C, without direct sunshine.
Humidity 90%RH or less (non-condensing)
Altitude ≤1000M: output rated power, >1000M: output derated
Storage temperature -20~60°C

 

 


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