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.
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