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Enron Mail |
Joe Chapman sent us an email listing a short textual description associated
with each value of Operating State 29. Some are easy to interpret (ex. 11 is "Feathering position") because they are a visible element on the state transition diagram in the controller document supplied by Garth. Others aren't easy to interpret. Where should we look to understand the triggering criteria for text strings associated with Operating states 0-6 and 13. We are willing to do the work of reading the documentation if you can tell us what to read. These values are labeled "Blade angle setpoint (all blades)", " Blade angle plus", "Blade angle minus", "Blade angle stop", " Blade angle setpoint (single blades)", and "Manual speed setting". I assume from these names and the fact that they are not common in the SCADA data that all but Blade angle stop are solely used for controller parameter changes or software changes. We want to use Operating State 29 in our Statistical Process Control and reporting logic but the lack of understanding on these parameter values holds us back.
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