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30HP ( 22KW ) Vector Frequency Inverter 3AC 380V ~ 460V
The KD330 series inverter is a universal high-performance drive
vector control function inverter.
High-performance current control technology, low frequency and high
torque output, strong overload capability, superior stability and
dynamic performance.
Can be widely used in textile, paper, wire drawing, machine tools,
packaging, food, fans, pumps and various automated production
equipment drive changes.
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) | ||
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) | |
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 | ||
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 | |
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 | |
No | Items | KD330 |
1 | Reliable hardware | Only first-class componens are built-in. |
2 | Rubust design | IGBT current > 2 times of inverter output current |
Capacitor > 50uF/A | ||
3 | PCB aging test | 100% test, 50°C, 12 hours. |
4 | Finished products aging test | 100% test, 50°C, 24 hours. |
5 | Loading test | Two times, 100% tested: |
1. After manufacturing. | ||
2. After aging test. | ||
6 | Electrostatic testing | 1. Noncontact conditions -- without failure under 10000V. |
2. Under contact condition -- without failure under 5000V. | ||
7 | High overload capacity | 150% / 120s, 160% / 60s, 180% / 10s, 200% /1s |
8 | Smart start / stop mode | Acceleration / Deceleration time can be set as 0.0s, the inverter starts and stops the motor as fast as possible without failure. |
9 | Big start torque | 0.5Hz/150% (V/f), 1Hz/150% (SVC) |
10 | EMC filter | C3 level EMC filter build-in standardly |