In this Learning-Doc the learner should be able
describe the major components, operations of the GE-LSTG generator seal oil
system, and be able to navigate the system drawings. Topics include description of the seal rings,
the seal oil vacuum tank, main seal oil pump, recirculation seal oil pump,
emergency seal oil pump, regulation of differential pressures, hydrogen
detraining tank, float trap, and the air detraining tank. Discussions include starting the system,
normal operations, temporary modes of operation, emergency operations, use of
instrumentation. Common alarm
discussions include the implication of each alarm, probable causes,
instrumentation, and actions to be taken.