Product introduction
Frequency controller for AC motor is a power electronic device that controls the speed and torque of an alternating current (AC) motor by adjusting the frequency and voltage of the power supply.
Product 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) |
Product advantages
Precise Control: Vector control technology enables a frequency resolution of 0.01 Hz, with speed accuracy better than ±0.5%.
Strong Overload Tolerance: Capable of operating at 150% of rated current for 60 seconds, effectively resisting load shocks.
Flexible Communication Integration: Equipped with Modbus as standard, ensuring seamless connection with automation systems.
Pictures
FAQ
Q: Has your company's VFD production passed international quality management system certification?
A: Yes, our factory has passed the ISO 9001 international quality management system certification, ensuring that every stage from design, production, to delivery meets strict quality standards.
Q: What international safety certifications have your VFD products obtained?
A: Depending on the model, our products have obtained CE (EU), UL (USA/Canada), and RoHS certifications, with corresponding certificates available for verification by the purchaser.
Q: What are the key factors that affect the lifespan of a VFD?
A: Key factors include the lifespan of internal electrolytic capacitors, the operating time of the cooling fan, and the temperature and switching frequency of the IGBT power module.
Q: What is the expected design life of your VFD products?
A: Under normal operation and recommended maintenance conditions, the expected design life of our VFD products is 10 years.
Q: How often should users perform preventive maintenance on the VFD?
A: We recommend performing preventive maintenance every 6 to 12 months, primarily including cleaning the heat sink, checking the fan operation, and confirming that the terminal connections are secure.
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