Patent ID: 7421853
Filing Date: 2008-09-09
Classification: F04D,F05B,F25B,Y02B

Abstract:
1. A method of manually staffing a chiller system driven by a steam turbine, the method comprising: manually entering, by an operator, a start command into a control panel of the chiller system to initiate a steam turbine staff sequence; executing the steam turbine start sequence, wherein executing the steam turbine staff sequence comprises: prompting the operator to enter a slow roll command upon completion of the steam turbine staff sequence to initiate a steam turbine slow roll mode operation; executing the steam turbine slow roll mode operation in response to entry of the slow roll command by the operator; prompting the operator to enter an acceleration command upon completion of the steam turbine slow roll mode operation to initiate a steam turbine acceleration process; and executing the steam turbine acceleration process to accelerate the steam turbine to an operational speed in response to entry of the acceleration command by the operator.