For elevator,escalator and hoist,3 Years Warranty Frequency Converter, Frequency Inverter 50HZ/60HZ 220V 380V 480V
| Model | Power Rating | Input Voltage | Output FREQ | Type |
|---|---|---|---|---|
| KD600E Series | 0.4kW-900kW | 380-480V ±10% | 0.00-3200.00Hz | DC/AC to AC inverters |
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 | 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 / 0.00-600.00Hz or customized |
| Ramp time | 0.01-60000s |
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 | 250 V AC / 3A, 30 V DC / 3 A |
| Terminal 485 Interface | |
| 485+ / 485- | Rate: 4800/9600/19200/38400/57600/115200 bps Max. distance: 500 m |
| 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 |
Single multi-speed terminal elevator controller
For the elevator controller with only one multi-segment speed changing terminal, the high-speed segment and the layer speed segment are controlled by the on-off of the high-speed terminal. The wiring diagram of such elevator controller and frequency converter is as follows:
Single multi-speed terminal elevator controller
For the elevator controller with only one multi-segment speed changing terminal, the high-speed segment and the layer speed segment are controlled by the on-off of the high-speed terminal. The wiring diagram of such elevator controller and frequency converter is as follows:
Double multi-speed terminal elevator controller
When the elevator is in use, if the system's power supply suddenly fails, it may result in passengers being locked in the car.
KD600E series elevator inverter can support the emergency UPS power supply operation for emergency power outage operati-on, and the emergency signal can be received by the inverter terminal DI6. The wiring diagram is as follows:
Closed loop elevator control
KD600E series elevator inverter can support closed-loop control, and provides a variety of PG cards for use with different encoders. Please refer to Chapter 5 of KD600 series User manual for PG card information. The wiring diagram of elevat-or controller and frequency converter for closed-loop elevator control is shown in the following figure:
The KD600E driver is a special frequency converter for K-Drive elevators. They provide V/f control, including voltage and frequency separation control.
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.
Variable frequency drives (VFDs) are electronic devices used to control the speed of AC motors by varying the frequency and voltage of the power supplied to the motor. The main application of variable frequency drives is to improve energy efficiency and reduce energy costs in industrial, commercial, and residential settings.
Here are some common applications of VFDs:
HVAC Systems: VFDs are widely used in HVAC (heating, ventilation, and air conditioning) systems to regulate the speed of fans and pumps. By reducing the speed of these components, VFDs can save energy and reduce operating costs.
Water and Wastewater Treatment: VFDs are used to control the speed of pumps in water and wastewater treatment plants. By varying the speed of the pumps, VFDs can help reduce energy consumption and improve the efficiency of the treatment process.
Manufacturing: VFDs are used in manufacturing processes to control the speed of conveyor belts, mixers, and other equipment. By adjusting the speed of these components, VFDs can help improve efficiency and reduce energy costs.
Oil and Gas: VFDs are used in oil and gas operations to control the speed of pumps, compressors, and other equipment. By optimizing the speed of these components, VFDs can help reduce energy consumption and improve productivity.
Renewable Energy: VFDs are used in renewable energy systems such as wind turbines and solar panels to control the speed of the generators. By adjusting the speed of the generators, VFDs can help maximize energy production and improve efficiency.
Overall, the use of VFDs can help improve energy efficiency, reduce energy costs, and improve the performance of various types of equipment and systems.
