VFD (Variable Frequency Drive) is a device that controls the speed of a motor by adjusting its frequency and voltage. It is widely used in industrial automation systems such as water pumps, fans, and conveyor belts for precise speed regulation and energy saving.
Specification
|
VFD type |
HZ800SF |
HZ300A |
HZ800 |
|
Drive control mode |
VF/ Current closed loop Vector/velocity closed loop vector |
VF/ Current closed loop vector |
VF/ Current closed loop Vector/velocity closed loop vector |
|
Same power Starting torquecomparison |
★★★★★ |
★★★★ |
★★★★★ |
|
Torque control |
√ |
√ |
√ |
|
Shell color |
Brown |
Black |
Black |
|
Power range |
Three-phase 380V: 0.75 kw ~ 110 kw |
Single-phase 220V: 0.4 kw ~ 75 kw Three-phase 380V: 0.75 kw ~710 kw |
Single-phase 220V: 0.4 kw ~ 75 kw Three-phase 380V: 0.75 kw ~710 kw |
|
Operating keyboard |
Dual row display/LCD Shuttle potentiometer |
Single row display Adjustable potentiometer |
Single row display Adjustable potentiometer |
|
Synchronization rate volume |
★★★ |
★★★★ |
★★★★ |
|
Multifunction input Number of terminals |
8 |
8 |
8 |
|
Analog quantity Input quantity |
2 |
2 |
2 |
|
Analog quantity Output quantity |
2 |
2 |
2 |
|
Relay Output quantity |
2 |
2 |
2 |
|
485 communication |
√ |
√ |
√ |
|
Module/single tube |
Module |
Module |
Module |
|
An external expansion card is connected |
X |
X |
Support expansion card (PG/IO) |
Application
Pumps and Fan Systems
VFD Control Drives regulate speed to control flow, pressure, and airflow, used in water supply, wastewater treatment, air conditioning, and ventilation systems.
Conveyor Belts and Automated Production Lines
Control equipment speed, used in food processing, logistics, CNC machine tools, and automotive manufacturing industries.
Elevators and Metallurgical Industry
Control acceleration and deceleration processes; in the metallurgical industry, used for speed regulation of equipment such as electric arc furnaces and heating furnaces.
Pictures
FAQ
Q: What types of motors can a VFD Control Drive control?
A: VFD Control Drives are suitable for various three-phase AC motors, especially in applications requiring speed regulation, such as pumps, fans, conveyors, and compressors.
Q: How does a VFD Control Drive affect motor performance?
A: VFD Control Drives achieve speed control by adjusting the motor's frequency and voltage. This not only helps improve efficiency but also reduces mechanical wear, extends equipment life, and optimizes energy consumption in the production process.
Q: Is the installation and maintenance of a VFD Control Drive difficult?
A: Installation of a VFD Control Drive must comply with electrical safety regulations and ensure correct power connection. Routine maintenance requires regular checks of the equipment's operating status, cooling system, and electrical connections to ensure proper functioning. For complex installations and commissioning, it is recommended that they be performed by qualified personnel.
Q: Is a VFD Control Drive compatible with existing automation systems?
A: VFD Control Drives typically support compatibility with existing automation systems. They can be integrated with control systems such as PLCs and DCSs via communication interfaces (e.g., Modbus, CANopen) to achieve centralized control and remote monitoring. This makes them easily applicable to various automated production lines and industrial control systems.
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