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سوپر مارکت اینورتر - آموزش اینورتر بخش سوم

امروز:

آموزش اینورتر بخش سوم

To understand the functions of an VFD better,
an example of cooling tower fans is used.
What must the fans do?

The cooling tower in the picture above must maintain a certain temperature perhaps

        30°C (85°F) for the condenser water temperature. Looking at this example, see if you can

        identify some of the functions that must be performed by the VFD, AC motor and fans? In

        other words, what must the fans be able to do? Take a couple of minutes to jot down the

        functions.

 

 

                 The fans must …

 

                 _____________________                          ______________________

 

                 _____________________                          ______________________


A few of the basic functions of an VFD in controlling the AC motor and fans are

covered on the pages that follow.


نوشته شده در : دوشنبه 1 اسفند 1390  توسط : جواد خانی.    نظرات() .

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