Suntan Motor Capacitors Specification Overview Part III

October 6, 2015 Views
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Suntan Technology Company Limited
---All Kinds of Capacitors
 
7、Start vs Run Capacitors
Start capacitors give a large capacitance value necessary for motor starting for a very short (seconds long) period of time. They are only intermittent duty and will fail catastrophically if energized too long. Run capacitors are used for continuous voltage and current control to a motor's windings and are therefore continuous duty. They are generally of a much lower capacitance value.
 
8、Are start and run capacitors interchangeable?
Yes and no. In unusual circumstances, a run capacitor could be used as a start capacitor, but the values available are much lower than the values usually available for dedicated start capacitors. The capacitance and voltage ratings would have to match the original start capacitor specification. A start capacitor can not ever be used as a run capacitor, because it could not handle current continuously (only a couple of seconds).
 
 

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