86T – Stator Coolant Flow Low

Stator Coolant Flow Low

Source : Flow switch (2/3) + timer….

Implication: Will result in heating up of the hollow conductors in generator as little or no cooling medium is present and lead to insulation failure. This has been purposely introduced under Turbine protection rather than generator protection due to implications in house load operation.

Action: 86T

Turbine Trip Conditions