The 37KW VFD is a variable frequency drive with a rated power of 37 kilowatts, specifically designed for controlling the speed of a three-phase AC motor.
Applications
Water Pump Systems
The 37kW VFD is widely used in water pump systems, such as water supply, sewage treatment, and fire protection systems, to regulate pump speed and control flow and pressure.
Fan Systems
In HVAC (Heating, Ventilation, and Air Conditioning) and ventilation systems, the 37kW VFD regulates fan speed to optimize airflow and pressure, commonly used in building air conditioning, exhaust, and ventilation systems.
Industrial Production Lines
The 37kW VFD is used in high-power equipment in industrial production lines, such as conveyors, compressors, and mixers, to control equipment speed to meet production demands.
Mining and Heavy Industry
In industries such as mining, chemical, and metallurgy, the 37kW VFD is used to control the speed of heavy equipment, such as crushers and conveyor systems, providing high-load regulation.
Refrigeration and Air Conditioning Systems
In large-scale refrigeration and air conditioning systems, the 37kW VFD regulates the speed of compressors, cooling tower fans, and other equipment to meet different cooling requirements.
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) |
Pictures
FAQ
Q: What are the applications of a 37kW VFD?
A: A 37kW VFD is widely used for speed control of high-power equipment, such as water pumps, fans, conveyor belts, and compressors. It is suitable for industrial automation, HVAC (Heating, Ventilation, and Air Conditioning) systems, refrigeration and air conditioning systems, etc.
Q: How can I confirm that my system requires a 37kW VFD?
A: The VFD needs to be selected based on the rated power of the motor being driven. If the motor power is 37kW, then select a 37kW VFD. If unsure, you can refer to the equipment manual or have a professional calculate the required drive power.
Q: What are the advantages of a 37kW VFD compared to traditional starting methods?
A: Compared to direct starting or star-delta starting, a 37kW VFD can smoothly start and stop the motor, avoiding current surges and mechanical shocks during startup, reducing equipment damage and extending motor lifespan.
Q: Does a 37kW VFD support energy-saving functions?
A: Yes, a 37kW VFD adjusts the motor speed to adapt to load changes, reducing unnecessary energy consumption. It effectively improves energy efficiency, especially in applications with large load fluctuations.
Q: How to maintain a 37kW VFD?
A: During maintenance, it is necessary to regularly check the VFD's operating status, electrical connections, cooling system (such as cooling fans), and filters. Prevent the equipment from overheating, ensure good heat dissipation, and regularly clean dust or other substances that obstruct ventilation. At the same time, ensure all electrical connections are secure to prevent malfunctions caused by loosening.
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