Seg HighTECH MRG3 - Page 27

Manual MRG3 SEG Electronics GmbH
DOK-TD-MRG3, Rev. D 27
Figure 4.6: Equivalent circuit for mains failure
In case of mains failure or auto reclosing the generator suddenly feeds a very high consumer load.
The rotor displacement angle is suddenly increases and the voltage vector U1 changes its direction
(U1') (Fig. 4.6 and 4.7)
Figure 4.7: Changement of the rotor displacement angle at sudden load of the generator