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Low voltage variable frequency inverter

Low voltage variable frequency drives

Sinopak KE300 sensorless vector control inverter is developed based on the perfect integration of years of engineering experience and advanced drive technology.
KE300 integrate sensorless vector control, V/f control, torque control and soft start functions, it is widely applied in pump & fan etc application fields which require high speed control accuracy, rapid torque response and high performance at low frequency.

Technical Specifications
Input voltage:1AC 220V±15%, 3AC 220V±15%, 3AC 380V±15%,  3AC 660V±15%
Input frequency:47~63Hz 
Output voltage:0-Rated voltage 
Output frequency:V/f control: 0~3000Hz   SVC:0~300Hz 
Control mode:  V/f , SVC, Torque control 
Operation command mode: Keypad control, Terminal control, Serial communication control
Operation command 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.
Overload capacity:G model: 150% 60s, 180% 10s, 200% 3s P model: 120% 60s, 150% 10s, 180% 3s
Starting torque:0.5Hz/150% (SVC),1Hz/150% (V/f)
Speed adjustment range: 1:100 (SVC),1:50(V/f)
Speed control precision:±0.5%(SVC)
Carrier frequency:1.0--16.0kHz, automatically adjusted according to temperature and load characteristics 
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: straight line, multiple point and square type(1.2 power, 1.4 power, 1.6 power, 1.8 power, square)
ACC/DEC mode:Linear/S curve; four kinds of acceleration/deceleration time, range: 0.1s~3600.0s
DC braking:DC braking when starting and stopping DC braking frequency: 0.0Hz~maximum frequency, braking time: 0.0s~100.0s
Jog operation:Jog operation frequency: 0.0Hz~maximum frequency Jog acceleration/deceleration time: 0.1s~3600.0s
Simple PLC & multi-step speed operation: Max. 16 steps speed running via built-in PLC or control terminal
Built-in dual 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
Common DC bus:Common DC bus for several inverters, energy balanced automatically 
Torque control:Torque control without PG
Torque limit:"Rooter" feature: limit torque automatically and prevent frequent over-current tripping when running 
Wobble frequency control:Multiple triangular-wave frequency control, special for spinning 
Timing/length/counting control:Timing/length/counting control function
Over-voltage & over current stall control: Limit current & voltage automatically when running, 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 and has fault automatic reset function 
Input terminals:Programmable DI: 7 on-off inputs, 1 high-speed pulse input 2 programmable AI:    AI1: voltage -10-10V   A12: voltage 0-10V or current 0/4-20mA
Output terminals:1 programmable open collector output: 1 analog output (open collector output or high-speed pulse output) 2 relay outputs 2 analog output: 0/4~20mA or 0~10V
Communication terminal:Offer RS485 communication interface, support MODBUS-RTU communication protocol 
LED display: Display frequency setting, output frequency, output voltage, output current, etc. 
Multifunction key: QUICK/JOG key, can be used as multifunction key 
Powerful host software: Support upload, download and real time display between inverter and PC
Ambient temperature:-10 degree - 40 degree, derated 4% when the temperature rise by each1 degree (40degree-50degree). 
Humidity:90%RH or less (non-condensing)
Altitude:less than 1000M: output rated power, more than 1000M: output derated
Storage temperature:-20 degree - 60 degree
Storage atmosphere:Indoor, without direct sunlight, dust, corrosive gas, combustible gas, oil smoke, vapor, drip, salt, vibration, etc.

For more product information, please feel free to contact Ashley by 

	


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