Q & A INDEX

SECTION 3 - BRUSH THEORY AND CHARACTERISTICS

Question 3:14 What Is "Black Band" Test?

 

It is a test normally done by the machine manufacturer in establishing a basic machine design in relation to interpole and brush operation at varying load conditions.

 

Separate specific information is available, should it be required, but in principle the wider the ''black band'' the easier the machine will be to select brushes for and the better commutation it will normally have. 

 

Question 3:15 Do SCR Drives Cause Problems For Brushes?

 

Q & A INDEX

The information has been drawn from experience of Morganite Taiwan Limited Application Specialists combined with a wide range of published information from major carbon supplier and motor manufacture. However, the material can not be downloaded, copied or used without written permission.

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