Function and Application
The NVFMF3-SZ inverter is a high-performance vector control inverter independently developed by our company. This product not only adopts advanced control strategies to achieve high-precision flux vector torque control, with high control accuracy, wide speed regulation range, large starting torque, and strong overload capacity, but also has unique digital and intelligent properties, integrated Bluetooth communication, compatible mini-program, and expandable industrial communication interfaces, which greatly expand the application fields of the product and improve the efficiency of equipment installation and debugging, bringing users a better product service experience.
Detail Description
Parameters:
Rated Operating Voltage: Three-phase 380~440V (±15%)
Power Range: 1.5~450KW
Control Method: SVC, FVC, V/F
Expandable Communication: Profibus-DP, Profinet/PN
Advantages/Core Functions:
01 Excellent Performance
High-precision flux vector torque control technology, high control accuracy, large starting torque, strong overload capacity
02 Safe and Reliable
Adopting three-proof automatic coating process, high coverage rate of protection, more reliable operation of components
03 Flexible and Easy to Use
Integrated Bluetooth communication, compatible mini-program, and expandable industrial communication interfaces, improving the efficiency of equipment installation and debugging
Detail Parameters
| Parameter Category | Parameter Item | Parameter Value |
|---|
| Input | Rated Voltage | Three-phase (-380~440)V |
| Frequency | 50Hz/60Hz |
| Voltage Range | Three-phase-380V(+15%)~440V(+15%) |
| Frequency Range | (47~63)Hz |
| Output | Voltage | 0～Rated Input Voltage |
| Frequency | (0~800) Hz |
| Overload Capacity | T Type: 150% Rated Current for 1 Minute, 180% Rated Current for 10 Seconds; P Type: 120% Rated Current for 1 Minute, 150% Rated Current for 10 Seconds |
| Main Control Performance | Control Method | PG-free Vector Control (SVC); PG Vector Control (FVC); V/F Control; |
| Modulation Method | Space Vector PWM Modulation |
| Starting Torque | SVC: 150% Rated Torque at 0.25Hz; FVC: 180% Rated Torque at 0Hz; V/F: 150% Rated Torque at 0.5Hz |
| Frequency Resolution | Digitally Set: 0.01Hz; Analog Set: Maximum Frequency x 0.5 |
| Torque Boost | Automatic Torque Boost, Manual Torque Boost |
| V/F Curve | Linear V/F Curve, Multi-point V/F Curve Mode, VF Full Separation Mode, VF Half Separation Mode |
| Acceleration/Deceleration Curve | Linear Acceleration/Deceleration (4 Types) |
| Automatic Current Limiting | Automatically limits current during operation to prevent frequent overcurrent faults and tripping |
| Customer Customization Function | Jog | Jog Frequency Range: (0.10~50.00)Hz Jog Acceleration Time (0.1~6000.0)s |
| Multi-speed Operation | Multi-speed operation through control terminals |
| Peripheral Interface Characteristics | Operation Command Channel | Panel setting, control terminal setting, communication control, can switch through multiple methods |
| Digital Input | 5 multi-functional programmable digital inputs, among which 1 is HD high-speed pulse input |
| Digital Output | 1 multi-functional programmable digital output, which can be set as high-speed pulse output or collector open output |
| Analog Input | 2 analog signal inputs, optional (0~20)mA current signal input or (0~10)V voltage signal input |
| Analog Output | 2 analog signal outputs, respectively optional (0~20)mA, (4~20)mA current output or (0~10)V voltage output, can realize the output of physical quantities such as set frequency and output |
| Relay Output | 2 relay outputs, among which 1 is normally open/closed conversion output, 1 is normally open output, contact capacity - NO 5A, NC 3A, 250V(AC) |
| RS485 Communication Interface | 1, supports Modbus protocol |
| Operation Panel | LED Display | Can display more than 20 parameters such as set frequency, output frequency, output voltage, output current |
| Key Lock | Realize full or partial key lock |
| Function Selection | Define the scope of some keys' functions to prevent accidental operations |
| Protection Functions | | Has protection functions such as overcurrent protection, overvoltage protection, undervoltage protection, overheating protection, overload protection, phase loss protection |
| Structure | Protection Level | IP20 |
| Cooling Method | Axis axial flow fan cooling |
| Installation Method | | Wall-mounted, flange-mounted |
| Efficiency | | ≥93% for 37kW and below, ≥95% for 45kW and above |
