Active Member
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[China]
Address: S&T Building, Baiwang Xin Industrial Park, Xili,Nanshan District, Shenzhen, China,518055
Contact name:Tim
Shenzhen Kinda Technology Co., Ltd |
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High Frequency Variable Frequency Drive Inverter 3AC 380V~460V 315KW 355KW 400KW
The KD330 series inverter is a universal high-performance drive vector control function inverter.
High-performance current vector technology for easy drive of induction motors. The technical and performance problems encountered so far in equipment such as cables, machine tools, metal products, petrochemicals, natural gas, lifting equipment, pulp and paper, textiles, printing and dyeing, ceramics, etc. can be easily solved.
High performance, high quality, high power density design, and significant improvements in ease of use, maintainability, environmental friendliness, installation space and design standards further optimize the user experience.
| Item | Technical Index | Specification |
| Input | Input voltage | 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 |
| Torque control | ||
| Sensorless vector 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. | |
| Starting torque | 0.5Hz/180% (SVC); 1Hz/150% (V/f) | |
| Overload capacity | 150% / 120s, 160% / 60s, 180% / 10s, 200% / 1s. | |
| 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% | ||
| Acceleration/deceleration mode | Straight line/S curve; four kinds of acceleration/deceleration time, range: 0.0s~65000s | |
| 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 acceleration/deceleration time: 0.1s~3600.0s Jog operation frequency: 0.0Hz~maximum frequency | |
| 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 | |
| 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 | 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 |
| Communication terminals | Build-in standard RS485 communication interface, support MODBUS-RTU communication protocol | |
| Output terminals | 2 relay outputs, | |
| 2 open collector outputs, | ||
| 2 anaalog outputs, 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 | Finished products aging test | 100% test, 50°C, 24 hours. |
| 4 | PCB aging test | 100% test, 50°C, 12 hours. |
| 5 | Loading test | Two times, 100% tested: |
| 1. After manufacturing. | ||
| 2. After aging test. | ||
| 6 | Grouped pulse testing | Without failure under 4500V (better EMC performance). |
| 7 | Electrostatic testing | 1. Under contact condition -- without failure under 5000V. |
| 2. Noncontact conditions -- without failure under 10000V. | ||
| 8 | High overload capacity | 150% / 120s, 160% / 60s, 180% / 10s, 200% /1s |
| 9 | 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. |
| 10 | Big start torque | 0.5Hz/150% (V/f), 1Hz/150% (SVC) |
| 11 | LED display | >7,5kW, two lines parameters dispaly, convenient for commissioning and operating. |
| 12 | 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% | ||||
| KD330-31500T4 | 315 | 420 | 620 | 585 |
| KD330-35500T4 | 350 | 470 | 665 | 650 |
| KD330-40000T4 | 400 | 530 | 785 | 725 |
100% load test
