Load compensation is normally used in one of the following ways.
When units are bussed together with no impedance between them, the compensator is used to create an artificial coupling so that the units will share reactive power appropriately.
When a single unit is connected through significant impedance to the system, or when two or more units are connected through individual transformers, it may be desirable to regulate voltage at a point beyond the machine terminals.
The compensated terminal voltage is calculated as follows:
Where:
|
The real part of the machine RMS current |
|
The imaginary part of the machine RMS current |
