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Design: | Modular Design, Compact Structure, Easy Maintenance And Enhanced Product Interchangeability | Intelligent Control: | Speed Sensorless Open Loop Vector Control |
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Terminal Function: | Rich Multi-function Terminal | Way Of Communication: | Standard Modbus Communication |
PCB Protection: | Spray Three Anti-paint To Protect The Circuit Board Intelligently And Efficiently | Smart Start/sttop: | Reliable Speed Tracking Restart Performance |
High Light: | 3 phase variable frequency drive,3 phase ac drive |
HVAC Three Phase Variable Frequency Drive 11KW 15KW 18.5KW 380V
The KD330 series inverter is a general-purpose high-performance drive vector control function inverter.
High-performance open-loop vector inverter platform, dedicated inverter developed for HVAC industry application characteristics and control requirements, can be widely used in heating and water supply applications
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 | |
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) | |
Acceleration/deceleration mode | Straight line/S curve; four kinds of acceleration/deceleration time, range: 0.0s~65000s | |
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 | ||
Control mode | V/f control | |
Sensorless vector control | ||
Torque control | ||
Operation command mode | Keypad control | |
Terminal control | ||
Serial communication control (Modbus) | ||
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 combinated & switched in various modes. | |
Simple PLC & multi-step speed operation | It can realize a maximum of 16 multi-step speeds 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 | 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 | |
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. | |
Over-voltage & over-current stall control | Limit current & voltage automatically during the running process, prevent frequent over-current & over-voltage tripping | |
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 | Electrostatic testing | 1. Noncontact conditions -- without failure under 10000V. |
2. Under contact condition -- without failure under 5000V. | ||
Loading test | Two times, 100% tested: | |
6 | 1. After manufacturing. | |
2. After aging test. | ||
7 | Grouped pulse testing | Without failure under 4500V (better EMC performance). |
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 | LED display | >7,5kW, two lines parameters dispaly, convenient for commissioning and operating. |
11 | EMC filter | C3 level EMC filter build-in standardly |
Model | Motor | Rated Input Current (A) | Rated Output Current (A) | |
KW | HP | |||
3AC 380~460V±15% | ||||
KD330-01100T4 | 11 | 15 | 26 | 25 |
KD330-01500T4 | 15 | 20 | 35 | 32 |
KD330-01850T4 | 18.5 | 25 | 38.5 | 37 |
Contact Person: Tim
Tel: +8618665335699