Motion control solution (energy saving & better process control): frequency inverter, variable speed drive (VSD), VFD, adjustable frequency drive (AFD), closed loop vector AC drive, motor soft starter, brake units...
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  The application on the exhaust fan (draft fan) for Powtran

As the leading manufacturer of frequency inverters (AC drives), and other motor control products, Powtran products are widely used in various areas in the industries, such as energy efficiency, better process control. Powtran drives are used for the application of exhaust fan (draft fan).

Figure 1, outside the school


Figure 2, application field

application field

On-site technical requirements: When the students are doing experiment inside the universicy's laboratory building, it should exhaust toxic gas or other gases to go out.

application field

Power of draft fan (exhaust fan): 4kw

Power of draft fan

Figure 5, Powtran drive is on-site

Solution: Use speed control potentiometer of Powtran frequency inverter. It's so easy and simple, and you can also reduce energy usage. And Powtran inverter has a soft-start function too. So the device can also be applied to reduce motor noise, prolong the lifetime of the motor.

powtran inverter on-site

Figure 6, control diagram of Powtran inverter

Set the parameters as follows:

F04=8 F05=3 F09=8S F10=8S F27=1 F44=2 Other parameters of Powtran inverter are as default

control diagram

Powtran Technology Co., Ltd. (Shenzhen POWTRAN Technology Co., Ltd., DaLian Powtran Technology Co., Ltd.)

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A leading manufacturer and supplier of first rate variable speed drive,frequency inverter, PWM vvvf drive, vector control ac drive, motor soft starter, servo motors and drives, EMI filters, voltage: 220V, 380v, 400 v, 415v, 460V, 480V,575v, 660v,690V, 1140 VAC, and above, power: 1 hp to 840 hp (0.4kw to 630kw) or above.
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