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| Categories | AC Variable Frequency Drive |
|---|---|
| Place of Origin: | China |
| Brand Name: | Kinda |
| Model Number: | KD330 |
| MOQ: | Negotiable |
| Price: | Negotiable |
| Delivery Time: | 3~8 Day |
| Payment Terms: | TT |
| Supply Ability: | Adequate inventory |
| 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 |
| design: | Modular design, compact structure, easy maintenance and enhanced product interchangeability |
| Smart Start/sttop: | Reliable Speed Tracking Restart Performance |
HVAC AC Variable Frequency Drive 45KW 37KW 3AC 380V ~ 460V
The KD330 series inverter is a universal high-performance drive vector control function inverter.
Equipped with Modbus communication, the performance is superior, the structure is compact, the volume is small, the precision is high, the operation is simple, the reliability is high, and the multi-layer protection is better than any previous speed regulation mode.
The inverter-controlled speed control system is based on advanced technical control theory and intelligent control means to achieve extremely high responsiveness and stability.
| 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 frequency | 0~6000Hz |
| Output voltage | 0~rated input voltage | |
| Control Features | 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. | |
| Control mode | V/f control | |
| Sensorless vector control | ||
| Torque control | ||
| Overload capacity | 150% / 120s, 160% / 60s, 180% / 10s, 200% / 1s. | |
| Frequency accuracy | Digital setting: 0.01Hz | |
| Analog setting: maximum frequency ×0.05% | ||
| Torque boost | Automatically torque boost; manually torque boost: 0.1%~30.0 | |
| 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 | |
| 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 | ||
| 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. | |
| 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 | |
| Over-voltage & over-current stall control | Limit current & voltage automatically during the running process, prevent frequent over-current & over-voltage tripping | |
| 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. | |
| Input/output terminals | 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 | |
| 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 | |
| Human machine interface | LED display | Display frequency setting, output frequency, output voltage,output current, etc. Two lines display |
| 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 | 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. |
| 7 | Grouped pulse testing | Without failure under 4500V (better EMC performance). |
| 8 | Electrostatic testing | 1. Noncontact conditions -- without failure under 10000V. |
| 2. Under contact condition -- without failure under 5000V. | ||
| 9 | Big start torque | 0.5Hz/150% (V/f), 1Hz/150% (SVC) |
| 10 | High overload capacity | 150% / 120s, 160% / 60s, 180% / 10s, 200% /1s |
| 11 | LED display | >7,5kW, two lines parameters dispaly, convenient for commissioning and operating. |
| 12 | EMC filter | C3 level EMC filter build-in standardly |
|
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