"Compounding" in a DC compound generator refers to the process of connecting a shunt winding in series with the armature winding. This allows for the generator to have both series and shunt characteristics, resulting in a more stable and efficient output.
Compounding allows for the output voltage of a DC compound generator to remain relatively constant, even when there are fluctuations in the load. This is due to the combined effects of the series and shunt windings, which work together to regulate the voltage.
The two types of compounding in a DC compound generator are cumulative compound and differential compound. In cumulative compound, the series and shunt windings are connected in the same direction, while in differential compound, they are connected in opposite directions.
Compounding provides several advantages for a DC compound generator, including a more stable output voltage, increased efficiency, and the ability to handle variations in load without significant changes in output. It also allows for a wider range of applications for the generator.
While compounding offers many benefits, there are also a few potential disadvantages. One is that the generator may be more complex and require more maintenance due to the presence of multiple windings. Additionally, if the compounding is not properly adjusted, it can result in overloading of the generator and potential damage.