According to the application characteristics of 710-1200KW high-power motors, a special product developed which is using parallel dynamic current sharing technology of IGBT modules. The unique heat dissipation design fully meets the heat dissipation problem of high-power frequency conversion, and guarantees cost performance at the same time.
Easy to install and debug
Solid EMC design, unique radiator shape.
Adopt modular design
The main control system uses 32-bit high-speed DSP, integrated PG-free vector control, V/f control, and torque control.
The optimized motor parameter identification model can effectively reduce the sensitivity to motor parameters and make self-learning more accurate.
High starting torque: 150% of starting torque can be provided when it is at 0.5Hz;
Fast dynamic response: Under the vector control mode without PG, the dynamic response time is less than 20ms;
Built-in PID regulator can easily form a closed-loop control system for process quantities such as temperature, pressure and flow.
It has automatic fault reset and power-off reset functions to ensure continuous production and production efficiency.
Perfect protection functions: overvoltage/under-voltage protection, inverter overheat protection, ground fault protection, short circuit protection, overcurrent protection, overload protection, etc.
Item | Technical Index | Specification |
Input | Input voltage | 1AC 220V±15%,3AC 380V±15% |
Input frequency | 47~63Hz | |
Output | Output voltage | 0~rated input voltage |
Output frequency | 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. | |
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) | |
Carrier frequency | 1.0-16.0kHz,automatically adjusted according to temperature and load characteristics | |
Frequency accuracy | Digital setting: 0.01HzAnalog 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/decele ration mode | Straight line/S curve; four kinds of acceleration/deceleration time, range: 0.1s~3600.0s | |
DC braking | DC braking when starting and stoppingDC braking frequency: 0.0Hz~maximum frequency, braking time: 0.0s~100.0s | |
Jog operation | 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 | 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: 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 |
Output terminals | 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 | |
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℃ | |
Storage environment | Indoor, no direct sunlight, dust, corrosive gas, flammable gas, oil mist, steam, dripping water, salt, vibration |
Model | Motor | Rated Input Amperage(A) | Rated output Amperage(A) | |
kW | HP | |||
3AC 380V Input/ Output | ||||
KE300A-11-710G-T4 | 710 | 950 | 1290 | 1250 |
KE300A-11-800G-T4 | 800 | 1070 | 1450 | 1400 |
KE300A-11-900G-T4 | 900 | 1200 | 1630 | 1580 |
KE300A-11-1000G-T4 | 1000 | 1330 | 1800 | 1750 |
KE300A-11-1200G-T4 | 1200 | 1600 | 2160 | 2100 |
KE300A-11-1400G-T4 | 1400 | 1860 | 2420 | 2350 |
3AC 660V Input/ Output | ||||
KE300A-11-710G-T6 | 710 | 950 | 800 | 770 |
KE300A-11-800G-T6 | 800 | 1070 | 900 | 865 |
KE300A-11-900G-T6 | 900 | 1200 | 1000 | 970 |
KE300A-11-1000G-T6 | 1000 | 1330 | 1120 | 1080 |
KE300A-11-1200G-T6 | 1200 | 1600 | 1290 | 1280 |
KE300A-11-1400G-T6 | 1400 | 1860 | 1510 | 1460 |
KE300A-11-1600G-T6 | 1600 | 2130 | 1780 | 1720 |
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