1. Energy saving and high efficiency: Permanent magnet synchronous motors have high efficiency and low energy consumption, which can significantly reduce power loss and improve energy utilization efficiency. The use of frequency conversion control technology can adjust the fan speed according to actual needs, further improving the overall energy efficiency.
2. Safe and reliable: permanent magnet synchronous motor has high torque density and low mechanical loss, and has good stability and reliability. They can work under long-running and high-load environments, and they are not prone to overheating.
3. Precise control: Through the frequency conversion control technology, the permanent magnet variable frequency tunnel fan can realize precise speed adjustment and air volume control. According to the actual ventilation demand, the operating speed of the fan can be flexibly adjusted to maintain an appropriate air volume and pressure.
4. Low noise: The permanent magnet synchronous motor has low vibration and noise levels, which can provide a relatively quiet working environment. This is especially important for tunnel ventilation systems to reduce disturbance to tunnel users and nearby residents.
5. Space-saving: Compared with traditional tunnel fans, permanent magnet inverter tunnel fans are usually smaller in size and occupy less space. This is very beneficial to the design and layout of the tunnel, especially in the case of limited space, and can better meet the requirements of the project.
To sum up, the permanent magnet frequency conversion tunnel fan has the advantages of energy saving, high efficiency, safety and reliability, precise control, low noise and space saving through the application of permanent magnet synchronous motor and frequency conversion control technology. Their application in tunnel ventilation systems can provide more reliable, efficient and environmentally friendly ventilation solutions.

Permanent magnet variable frequency

Model: BJSF-140.110.4

Flow: 0-3200m³/min

Pressure: 0-3900pa

Power: 110kw

Speed: 1500rpm

V/hz/cos 380/125/0.96