Enhanced manual start/stop sequencing controls for a stream turbine powered chiller unit
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United States of America Patent
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Sep 9, 2008
Grant Date -
Jul 28, 2005
app pub date -
Dec 17, 2004
filing date -
Jan 23, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A control system and method for interactive startup and shutdown of a steam turbine driven chiller unit is provided. The chiller unit includes an integrated central control panel to control operation of both the steam turbine system and the refrigerant system. The central control panel has startup control system to assist an operator manually start the steam turbine system and the refrigerant system and a shutdown control system to assist an operator manually shutdown the steam system and the refrigerant system. Both the startup control system and the shutdown control system include logic for performing necessary protective actions and for notifying an operator when to perform required actions.
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