Economical Vfd 0.75KW 1.5KW 2.2KW Mini drive frequency inverter 220v 380v
KD100 Series 0.4KW to 11kw Variable Frequency AC Motor Drive Speed COntroller
8, Dual rated for HD & ND applications
9, Motor Auto-tune (static and dynamic)
10, DC Injection braking
11, Integral brake chopper
Thanks to sophisticated engineers, scientific producing workmanship, rigorous quality control systems and management team, K-Drive frequency inverters are equipped with advanced features, some of which are listed as below:
01. Starting torque: 180% at 0.5Hz (V/f pattern, SVC pattern);
02. Speed adjustable range: 1: 100 (V/f pattern, SVC pattern);
03. Speed accuracy: +/-0.5% (V/f pattern), +/-0.2% (SVC pattern);
04. Over load capability: 150% 1minute, 180% 10seconds;
05. Abundant frequency command sources;
06. Diverse input and output terminals;
07. Ambient temperature: -10°C~50°C;
08. High precise torque constraint, process PID control, multi-speed control, contracting brake control, field weakening control, all sides protection, etc;
09. Online and offline auto-tuning of motor parameters can both performed;
10. Extremely short-time acceleration can be performed without any trip, such as 0.1s or 0s from 0Hz to 50Hz;
| Mains Supply (L1/L,L2,L3/N) | |
|---|---|
| Supply voltage | 208-240V±10% 380-480V±10% |
| Power source frequency | 50/60Hz±5% |
| Displacement power factor (cos φ) | (> 0.98) |
| Output Data (U, V, W) | |
|---|---|
| Output voltage / frequency | 0-100% of supply voltage / 0.00-600.00 Hz or customized |
| Ramp time | 0.01-60000 S |
Note:150% current can be provided for 1 minute, 180% for 10 seconds. Higher overload rating is achieved by oversizing the drive.
| Digital Input | |
|---|---|
| Programmable digital inputs | 5 |
| Logic | NPN or PNP |
| Voltage level | 22 - 26V |
| Analog Input | |
| Analog inputs | 2 |
| Modes | Voltage or current |
| Level | 0 to +10V, 0/4 to 20 mA (scalable) |
| Automatic correction | YES |
| Relay Output | |
| Programmable relay outputs | 1 |
| RA - RB / TA - TB | Normally close |
| RA - RC / TA - TC | Normally open |
| Contact capacitance | 250VAC/3A, 30VDC/3A |
| Terminal 485 Interface | |
| 485+ / 485- | Rate: 4800/9600/19200/38400/57600/115200 bps Max. distance: 500m |
| GND | Isolated from COM |
| Ambient | |
| Vibration | Less than 5.9 m/s² (0.6g) |
| Humidity | Relative humidity 5% - 95 %. No condensation |
| Corrosive environment | 3C3 |
| Ambient temperature | -10 ºC - 50 ºC |
| Altitude | 0 - 2,000 m |
| Rated output current derated 1% every 100 m above 1,000 m | |
| Storage temperature | -40 - +70 ºC |
| Efficiency | Efficiency At rated amps: ≥93% |
| IP grade | IP20 |
| Cooling method | Forced air cooling |
| Fieldbus Communication | |
| Modbus RTU, Modbus ASCII | Built-in |
KD100 drives are economical series at K-Drive. They offer V/f control, including voltage and frequency separated control, adaptable to various industrial applications if sensor-less vector control is not required, including printing machines, packaging machines, pumps, fans and blowers, etc.
|
|
|
| Conveyors | Centrifuges | Food processing Machinery |
|
|
|
| Pumps | Fans | More … |
In the trend of advocating smart and simple industrial automation, environmentally friendly products, value-added solutions, K-Drive, as one of the world's leading drive manufacturers aggressively investing in R&D, production, and continuous quality improvement, is well positioned to provide its customers with technology-driven, performance-outstanding products such as VFDs, wind power converters, servo drives, HEV/EV drives, helping its customers save energy and increase industrial productivity with sustainability on the one hand, and enhancing their entire value-chain quality, delivery, and services on the other hand.
In production, rigorous quality control is implemented on components, circuit boards, and the finished goods, assuring products without defects.
| Performance | Common brands | K-Drive |
|---|---|---|
| Applicable motors | Asynchronous motors | Asynchronous /synchronous motors |
| Starting torque | 2.0Hz, 150% (sensor-less vector control) 0Hz, 180% (closed-loop vector control) | 0.5Hz, 180% (sensor-less vector control) 0Hz, 200% (closed-loop vector control) |
| Speed adjustable range | 1:100 (SVC), 1:1000 (VC) | 1:200 (SVC), 1:1000 (VC) |
| Ambient temperature (no derating required) | -10-40ºC | -10-50ºC (for most of the models) |
| Rated input voltage | 208VAC-400VAC | 208VAC-480VAC |
| Communication | Modbus RTU//ASCII | Modbus RTU//ASCII Profibus-DP, CANopen, etc. |
| Position control (fixed length, or angular positioning) | × | √ |
| Field weakening control | × | √ |
| Autotune online | Online | Online & Offline |
| Short-time ramp-up | Trip | No trip |
| Customized features (software and/or hardware) | Unprocurable or no experience | Procurable with rich experience |
Please leave us an inquiry for more details of our frequency inverters, like information of the model numbers, technical data, applicable application, pricing, distributor policy, lead time and/or customized functionality.
VVVF stands for Variable Voltage Variable Frequency, and it is a type of motor control used in variable speed drive applications. To determine the failure of a VVVF, you should follow these steps:
Check for any physical damage: Start by inspecting the VVVF for any physical damage, such as burnt components or damaged wiring. These types of damage are often a clear indication of a failure.
Check for fault codes: Most VVVF systems have built-in fault detection and protection features that can indicate the source of a failure. Check the fault codes to see if any have been generated.
Test the inputs and outputs: Using a multimeter, test the VVVF's inputs and outputs to verify that they are functioning correctly. If the inputs and outputs are not functioning correctly, it could indicate a failure.
Check the programming: If the VVVF has programmable settings, verify that the settings are correct and that they are functioning as intended. Incorrect or corrupted programming can cause failures.
Consult the manufacturer's documentation: If you are still unsure about the source of the failure, consult the manufacturer's documentation for troubleshooting steps and guidance.
In general, the best way to determine the failure of a VVVF is to rely on a combination of visual inspection, testing, and documentation. If you are not confident in your ability to troubleshoot a VVVF, it may be best to consult with an experienced technician or electrician.
