The 45kW VFD is mainly used to regulate the speed of a three-phase AC motor. By adjusting the input frequency and voltage of the motor, it can adapt to different load 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) |
Application
Pump and Fan Systems
45kW VFDs are commonly used in medium to large-sized pump and fan systems for water supply, wastewater treatment, ventilation, and air conditioning to regulate flow and pressure.
Industrial Automation
In automated production lines, 45kW VFDs are used to control the speed of high-power equipment, commonly including conveyors, compressors, and mixers.
Heavy Industry
45kW VFDs are used in heavy industrial equipment in mining, chemical, and metallurgical industries to regulate equipment speed to meet high load demands.
Refrigeration and Air Conditioning Systems
In large-scale refrigeration and air conditioning systems, 45kW VFDs are used to regulate the speed of compressors and fans, controlling temperature and pressure.
Pictures
FAQ
Q: What types of motors are suitable for a 45kW VFD?
A: A 45kW VFD is suitable for three-phase AC motors with a power rating of 45 kW. It is commonly used in equipment requiring speed and power regulation, such as water pumps, fans, compressors, and conveyor belts.
Q: How to choose a suitable 45kW VFD?
A: When selecting a 45kW VFD, the drive specifications must be determined based on the motor's rated power, voltage requirements, load characteristics, and application. Additionally, environmental conditions, speed control accuracy requirements, and whether additional functions (such as communication protocols) are needed must be considered.
Q: What is the working principle of a 45kW VFD?
A: A 45kW VFD converts AC to DC through a rectifier, and then converts the DC to AC with an adjustable frequency through an inverter, thereby controlling the motor speed.
Q: What precautions should be taken when installing a 45kW VFD?
A: When installing a 45kW VFD, ensure that the drive's power is matched to the motor's, that wiring is correct, and that good ventilation and heat dissipation are ensured. It is also necessary to select an appropriate drive protection rating based on environmental conditions and to comply with electrical safety regulations.
Q: Is a 45kW VFD compatible with existing automation systems?
A: A 45kW VFD typically supports multiple communication protocols (such as Modbus, Profibus, etc.) and can be compatible with existing automation systems (such as PLC, DCS) to achieve centralized control and remote monitoring.
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