KE300A Series Open Loop Vector Control inverter
KE300B series singe tube type 220v to 380v three phase inverterpositioned as using the high performance of small power market; product using the leading international vector control algorithm, with excellent product features, compatible with wall and rail installation, and the product volume is smaller.
Features of KE300B Series Single Tube Converter
Small size and single tube machine
Voltage rating 220/380V,
Power rating range 0.4KW-2.2KW
Strong overload capability and good heat dissipation
Technical Specifications of KE300B Series Single Tube Converter
Input |
Input voltage |
1AC/3AC 220V±15%, 3AC 380V±15% |
Input frequency |
47~63Hz |
|
Output |
Output voltage |
0~rated input voltage |
Output frequency |
KE300X: V/f control: 0~3000Hz Sensorless vector control: 0~300Hz KE300B: 0~400Hz |
|
Control Features |
Control mode |
V/f control(KE300X & KE300B-S2) Sensorless vector control (KE300X & KE300B-T4) Torque control (KE300X) |
Operation command mode |
Keypad control Terminal control Serial 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. |
|
Overload capacity |
150% 60s, 180% 10s, 200% 3s |
|
Starting torque |
||
Speed adjustment range |
1:100 (SVC), 1:50 (V/f) |
|
Speed control precision |
±0.5% (SVC) |
|
Carrier frequency |
||
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: 0.1s~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 |
It can realize a maximum of 16 segments speed 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 |
Common DC bus |
Common DC bus for several inverters, energy balanced automatically |
Torque control |
Torque control without PG |
|
Torque limit |
“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 |
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 |
|
Input/ output terminals |
Input terminals |
Programmable DI: 5 on-off inputs (KE300B: 4), 1 high-speed pulse input 1 programmable AI1: 0~10V or 0/4~20mA |
Output terminals |
1 programmable open collector output: 1 analog output (KE300X: open collector output or high-speed pulse output) 1 relay output 1 analog output: 0/4~20mA or 0~10V |
|
Communication terminals |
Offer RS485 communication interface, support MODBUS-RTU communication protocol |
|
Human machine interface |
LED display |
Display frequency setting, output frequency, output voltage, output current, etc. |
Multifunction key |
QUICK/JOG key, can be used as multifunction key |
|
Environment |
Ambient temperature |
-10℃~40℃, derated 4% when the temperature rise by every 1℃ (40℃~50℃). |
Humidity |
90%RH or less (non-condensing) |
|
Altitude |
≤1000M: output rated power, >1000M: output derated |
|
Storage temperature |
-20℃~60℃ |
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