KD100 Vector Variable Frequency Inverter AC Drive
220V 4KW/5.5HP High Quality Vector Control VFD (KD100 Series)
Performance Advantage
1. Independent air duct design 2. New generation energy saving running
3. Steady speed precision, wide speed range 4. Low speed with high torque, small torque ripple
5. Meet the international standard of wide voltage input range 6. Long life design, stable performance
7. Easy to use PC software 8. Built-in self-adjusting PID function module
Advantages
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) | |
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| Supply voltage | 208-240V±10% 380-480V±10% |
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| Power source frequency | 50/60Hz±5% |
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| Displacement power factor (cos φ) | (> 0.98) |
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| Output Data (U, V, W) | |
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| Output voltage / frequency | 0-100% of supply voltage / 0.00-600.00 Hz or customized |
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| Ramp time | 0.01-60000 S |
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Note:150% current can be provided for 1 minute, 180% for 10 seconds.
Higher overload rating is achieved by oversizing the drive.
| Digital Input | |
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| Programmable digital inputs | 5 |
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| Logic | NPN or PNP |
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| Voltage level | 22 - 26V |
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| Analog Input | |
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| Analog inputs | 2 |
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| Modes | Voltage or current |
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| Level | 0 to +10V, 0/4 to 20 mA (scalable) |
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| Automatic correction | YES |
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| Relay Output |
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| Programmable relay outputs | 1 |
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| RA - RB / TA - TB | Normally close |
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| RA - RC / TA - TC | Normally open |
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| Contact capacitance | 250VAC/3A, 30VDC/3A |
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| Terminal 485 Interface |
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| 485+ / 485- | Rate: 4800/9600/19200/38400/57600/115200 bps Max. distance: 500m |
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| GND | Isolated from COM |
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| Ambient | |
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| Vibration | Less than 5.9 m/s² (0.6g) |
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| Humidity | Relative humidity 5% - 95 %. No condensation |
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| Corrosive environment | 3C3 |
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| Ambient temperature | -10 ºC - 50 ºC |
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| Altitude | 0 - 2,000 m |
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| Rated output current derated 1% every 100 m above 1,000 m |
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| Storage temperature | -40 - +70 ºC |
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| Efficiency | Efficiency At rated amps: ≥93% |
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| IP grade | IP20 |
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| Cooling method | Forced air cooling |
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| Fieldbus Communication |
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| Modbus RTU, Modbus ASCII | Built-in |
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Applications
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 … |
Why choose K-Drive variable frequency drive?
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.
Production
In production, rigorous quality control is implemented on
components, circuit boards, and the finished goods, assuring
products without defects.
K-Drive VS Other brands
| 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 |
Packaging and logistics
All drives are well packed before shipment, fit for air shipment,
sea transportation, and express delivery. Customers are able to
call its own nominated forwarder or consult K-Drive logistics
department for worldwide shipment services.
* Low-power inverters are packed in cardboard box, and others are
in plywood cases.
* Plenty of transportation procurable globally in accordance with
customer demand or K-Drive expertise.
K-Drive AC motor drives are able to replace AC drives and inverters
of the following brands: , LS, Toshiba, Siemens, Lenze, Yaskawa,
Mitsubishi, Delta, Hitachi, WEG and etc；
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.
How to choose ac motor driver ?
When choosing an AC motor driver, here are some key factors to
consider:
Motor type and specifications: The first step is to determine the
type and specifications of the AC motor you will be using with the
driver. This includes parameters such as rated power, voltage,
current, and speed range.
Control method: The control method refers to how the AC motor
driver will be controlled, whether it's through analog voltage,
digital signals, or fieldbus communication. Make sure that the
control method matches your requirements and the capabilities of
your control system.
Operational environment: Consider the operating environment of the
motor driver, including factors such as temperature range,
humidity, vibration, and other environmental conditions. Choose a
driver that is designed to operate under these conditions.
Performance requirements: Depending on the application, you may
need to consider performance factors such as accuracy, response
time, and torque control. Make sure that the motor driver can meet
your performance requirements.
Protection and safety features: Look for motor drivers that include
protection features such as overcurrent, overvoltage, and
overtemperature protection. Safety features such as emergency stop
and short-circuit protection are also important.
Cost and availability: Finally, consider the cost and availability
of the AC motor driver. Look for a driver that fits within your
budget and is readily available from reputable suppliers.
By considering these factors, you can choose an AC motor driver
that meets your specific application requirements and provides
reliable and efficient motor control.
