KE300A-07 series high-protection textile special inverter is a high-performance and high-reliability inverter for the textile industry. Based on the KE300A series vector inverter, adding advanced features for textile applications. For example, the current limiting technology and hardware optimization design for textile, and add the swing frequency application, fixed length / fixed diameter, crawling positioning etc. At the air inlet, a dust cover that can be easily removed is added, and the customer can disassemble and clean it in time. It can be adapted to the occasions with high pollution levels in the textile industry (high cotton, high temperature, high humidity, etc.)
Unique air-cooled design can prevent cotton wool from entering the air duct to block the air duct and fan; the air inlet is added a dust cover that can be easily removed, which is convenient for customers to disassemble and clean in time;
Easy to install and debug
Rugged EMC design
Adopt modular design, the configuration is very flexible
The main control system uses 32-bit high-speed DSP, integrated PG-free vector control, V/f control, and torque control.
With swing frequency, fixed-length/fixed diameter, crawling positioning and other functions.
Perfect protection functions: overvoltage/undervoltage protection, inverter overheat protection, ground fault protection, short circuit protection, overcurrent protection, overload protection, etc.
3AC 380V±15%,3AC 660V±15%
0～rated input voltage
V/f control: 0~3000HzSensorless vector control: 0~300Hz
Operation command mode
Keypad controlTerminal controlSerial communication control
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 combined & switched in various modes.
G model: 150% 60s, 180% 10s, 200% 3s P model: 120% 60s, 150% 10s, 180% 3s
0.5Hz/150% (SVC); 1Hz/150% (V/f)
Speed adjustment range
1:100 (SVC), 1:50 (V/f)
1.0-16.0kHz，automatically adjusted according to temperature and load characteristics
Digital setting: 0.01HzAnalog setting: maximum frequency * 0.05%
Automatically torque boost; manually torque boost: 0.1%~30.0%
Three types: linear, multiple point and square type (1.2 power, 1.4 power, 1.6 power, 1.8 power, square)
Acceleration/decele ration mode
Straight line/S curve; four kinds of acceleration/deceleration time, range: 0.1s~3600.0s
DC braking when starting and stoppingDC braking frequency: 0.0Hz~maximum frequency, braking time: 0.0s~100.0s
Jog operation frequency: 0.0Hz~maximum frequencyJog acceleration/deceleration time: 0.1s~3600.0s
Simple PLC & multi-step speed operation
It can realize a maximum of 16 segments speed running via the built-in PLC or control terminal.
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
Common DC bus
Common DC bus for several inverters, energy balanced automatically
Torque control without PG
“Rooter” characteristics, limit the torque automatically and prevent frequent over-current tripping during the running process
Wobble frequency control
Multiple triangular-wave frequency control, special for textile
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
Up to 30 fault protections including over-current, over-voltage, under-voltage, overheating, default phase, overload, shortcut, etc., can record the detailed running status during failure & has fault automatic reset function
Programmable DI: 7 on-off inputs, 1 high-speed pulse input 2 programmable AI: AI1: 0～10V or 0/4～20mA A12: 0～10V or 0/4～20mA
1 programmable open collector output: 1 analog output (open collector output or high-speed pulse output) 2 relay output 2 analog output: 0/4~20mA or 0~10V
Offer RS485 communication interface, support MODBUS-RTU communication protocol
Human machine interface
Display frequency setting, output frequency, output voltage, output current, etc.
QUICK/JOG key, can be used as multifunction key
-10℃～40℃, derated 4% when the temperature rise by every 1℃(40℃～50℃).
90%RH or less (non-condensing)
≤1000M: output rated power, ＞1000M: output derated
Indoor, no direct sunlight, dust, corrosive gas, flammable gas, oil mist, steam, dripping water, salt, vibration
Rated Input Amperage（A）
Rated output Amperage（A）
3AC 380V -15%~15%
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