VF Control VFD (Voltage Frequency Control Variable Frequency Drive) is a device that controls the speed of an AC motor by adjusting its input voltage and frequency.
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
Fans and pump systems: Fans and pumps used in systems such as air conditioning, ventilation, water supply, and wastewater treatment to regulate flow and pressure.
Light-load industrial equipment: Suitable for industrial applications requiring speed regulation, such as conveyor belts and light machinery.
Constant speed control systems: In equipment where torque requirements are not high, such as general water pumps, air conditioning, and ventilation systems, VF Control VFD provides effective speed control.
Pictures
FAQ
Q: What types of applications is VF Control VFD suitable for?
A: VF Control VFD is mainly used in applications such as fans, pumps, and light-load industrial equipment. It is suitable for situations where precise speed control requirements are not high, such as air conditioning systems, ventilation systems, and general water pumps.
Q: How does VF Control VFD work?
A: VF Control VFD controls the speed of the motor by adjusting the input voltage and frequency, maintaining a constant voltage-to-frequency ratio to achieve smooth speed regulation.
Q: What are the differences between VF Control VFD and other types of variable frequency drives?
A: Unlike vector control VFD or closed-loop control systems, VF Control VFD mainly relies on a fixed voltage-to-frequency ratio for speed regulation. It is suitable for applications where torque control requirements are not high, has lower cost, and is simple to install and operate.
Q: How does VF Control VFD improve energy efficiency?
A: By adjusting the motor speed to adapt to actual load demands, VF Control VFD avoids the energy waste associated with traditional start-stop control, optimizes equipment operation, and achieves energy-saving effects.
Hot Tags: vf control vfd, China vf control vfd manufacturers, suppliers, factory, vfd in satellite receivers, vfd in monitors, vfd in industrial controllers, vfd in office equipment, vfd in audiology equipment, vfd in riveting machines