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| Categories | VFD Variable Frequency Drive |
|---|---|
| Brand Name: | Kinda |
| Model Number: | KD330 |
| Place of Origin: | China |
| MOQ: | Negotiable |
| Price: | Negotiable |
| Payment Terms: | TT |
| Supply Ability: | Adequate inventory |
| Delivery Time: | 3~8 Day |
| High reliability: | Mature and reliable drive, protection circuit design, anti-interference design |
| Starting torque: | 0.5Hz/150% torque, speed ratio 1:100, dynamic response <20ms, steady speed accuracy ±0.2% |
| High Overload Capacity: | 150% / 120s, 160% / 60s, 180% / 10s, 200% /1s |
| intelligent control: | Speed sensorless open loop vector control |
| pulse: | High speed pulse input and output |
| V/F: | Multi-point V/F curve setting |
220V~240V VFD Variable Frequency Drive 3AC 0.4KW~185KW
Small size, high precision, easy operation, high reliability, multi-layer protection of equipment, better than any previous speed control method. The characteristics of frequency conversion speed regulation in industrial production applications are significant; energy saving is remarkable, which can improve product quality and output. Wide speed range and continuous adjustable range
| Item | Technical Index | Specification |
| 3AC 220~240V±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 | ||
| 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% | ||
| 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. | |
| Torque boost | Automatically torque boost; manually torque boost: 0.1%~30.0 | |
| Acceleration/deceleration mode | Straight line/S curve; four kinds of acceleration/deceleration time, range: 0.0s~65000s | |
| 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. | |
| 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 | Over-voltage & over-current stall control | Limit current & voltage automatically during the running process, prevent frequent over-current & over-voltage tripping |
| 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. | |
| 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 | |
| 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 | Electrostatic testing | 1. Noncontact conditions -- without failure under 10000V. |
| 2. Under contact condition -- without failure under 5000V. | ||
| 4 | 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. |
| 5 | PCB aging test | 100% test, 50°C, 12 hours. |
| Finished products aging test | 100% test, 50°C, 24 hours. | |
| 6 | Loading test | Two times, 100% tested: |
| 1. After manufacturing. | ||
| 2. After aging test. | ||
| 7 | Grouped pulse testing | Without failure under 4500V (better EMC performance). |
| 8 | Big start torque | 0.5Hz/150% (V/f), 1Hz/150% (SVC) |
| 9 | LED display | >7,5kW, two lines parameters dispaly, convenient for commissioning and operating. |
| 10 | EMC filter | C3 level EMC filter build-in standardly |
|
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