Cogeneration Plant Web Data Interface


We are very interested in your comments and suggestions. Questions or comments about this page or about the plant should be sent to crusso@alum.mit.edu.

Note: To see the most current values from a database query, you may need to hit "reload" on your browser.


Publications


A note about tagnames

The database server that you will connect to in order to retrieve data collects data from the systems that control and monitor the performance of the powerplant. The control system needs to measure over 6,000 values simultaneously to do this, and every value that it measures is identified by a unique "tag." This tag is a short alphanumeric code that identifies the value being measured - think of it as the "primary key" for a giant database. While retrieving data from the page below, you will see a column with the tagname for each value. To retrieve the value, description, units, etc., for this measurement, you should use its tagname. (Tagnames are case-insensitive.) It's actually a pretty simple system once you use it a bit.

What do the different color lines mean?

The lines on the flow diagram are a simplified subset of the standard color conventions for process plants. Orange lines generally signify fuel lines, blue lines signify cold water (although the temperature of the water doesn't matter in this application), and the black lines signify airflow. Also, flows are always indicated by lines with arrows. (i.e. the indication for the stagnation pressure and temperature at the compressor discharge is not a flow, but just a "pointer.")

Some useful links


Graphical Index for Live Gas Turbine Values

tag description value units
gt1ji370 Active Power Output 20.4 MW
gt1fi389 Water Injection 0.57999998 klb/sec
gt1fi356 Primary Gas Fuel Flow 11.1 kbtu/sec
gt1fi357 Main Gas Fuel Flow 54.299999 kbtu/sec
gt1fi359 Main Oil Fuel Flow 0.1 kbtu/sec
gt1ti324 Compressor Discharge Temp 742 F
gt1pi327 Compressor Discharge Pressure 202 psi
gt1ti330 Compressor Speed 9760 RPM
gt1ti304 Exhaust Temp Average 995 F
gt1qi380 Reactive Power Output 12.6 MVAR
gt1ti329 Power Turbine Speed 7708 RPM
WS:OutsideTemp Ambient Temp 85.700005 F
WS:OutsideHumidity Ambient Humidity 51 PCT
GT1EXFLO.C Estimated Exhaust Flow 619.11096 KLB/HR

Use this link for all CURRENT gas turbine data


All Gas Turbine points

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Last modified on by crusso@alum.mit.edu