GETCO Exam Paper (30-11-2008)
Power system A is operating in parallel with other systems and has a frequency bias of 50 MW/0.1 Hz. For a loss of generation in one of the interconnected systems resulting in a frequency drop of 0.02 Hz, system A should
Function of breather is to extract moisture from air going into the conservator. it is small container filled with silica gel. silica gel in breather will be blue colour when installed silica gel turn into pink colour when absorb moisture.