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A method of controlling a compressor turbine motor train including: receiving a control signal from a plant process controller; receiving a feedback signal indicative of a state of the electrical grid and adjusting an operational parameter of the compressor turbine motor train to stabilize at least

A method of controlling a compressor turbine motor train including: receiving a control signal from a plant process controller; receiving a feedback signal indicative of a state of the electrical grid and adjusting an operational parameter of the compressor turbine motor train to stabilize at least one of a frequency and a voltage of the electrical grid.

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What is claimed is: 1. A method of controlling a compressor turbine motor train, having a compressor and a turbine operatively coupled to the compressor, the method comprising: receiving an input signal in a compressor control system; receiving a feedback signal in an electrical grid management sys

What is claimed is: 1. A method of controlling a compressor turbine motor train, having a compressor and a turbine operatively coupled to the compressor, the method comprising: receiving an input signal in a compressor control system; receiving a feedback signal in an electrical grid management system; outputting a speed control signal from the compressor control system; outputting one or more command signals from the electrical grid management system; receiving the speed control signal and the one of more command signals in a turbine control system; receiving the one or more command signals in the compressor control system; outputting a drive command signal from the turbine control system; receiving the drive command signal and the one or more command signals in a drive control system; and adjusting a speed and a load of the compressor and adjusting a fuel flow into the turbine, wherein the speed and the load of the compressor and the fuel flow to the turbine are operational parameters of the compressor turbine motor train and adjustments to the speed and the load of the compressor and the fuel flow to the turbine are based on any of said input or said feedback signals to stabilize at least one of a frequency and a voltage of an electrical grid. 2. The method of claim 1 further comprising receiving a power reference signal associated with a grid controller. 3. The method of claim 1 wherein said adjusting operational parameter of the compressor turbine motor train is responsive to said input signal. 4. The method of claim 2 wherein said adjusting an operational parameter of the compressor turbine motor train is responsive to said power reference signal. 5. The method of claim 1 wherein said adjusting an operational parameter of the compressor turbine motor train is responsive to said feedback signal. 6. The method of claim 1, wherein said feedback signal comprises at least one of: a real power signal; a reactive power signal; a frequency signal; and a voltage signal. 7. The method of claim 2, wherein said power reference signal comprises at least one of a real power reference signal and a reactive power reference signal. 8. The method of claim 1 wherein said input signal is received from a plant process controller. 9. A compressor turbine motor train control system comprising: an electrical grid management system operable for receiving a feedback signal and outputting one or more command signal; a compressor control system wherein said compressor control system receives a input signal and one or more of said command signals, and outputs a speed control signal; a turbine control system wherein said turbine control system receives said speed control signal, receives one or more of said command signal, and outputs a drive command signal; a drive control system wherein said drive control system receives said drive command signal and one or more of said command signals. 10. The compressor turbine motor train control system of claim 9 wherein said electrical grid management system is operable for receiving a power reference signal associated with a electrical grid. 11. The compressor turbine motor train control system of claim 9 wherein said compressor turbine motor train control system adjusts one or more operational parameter responsive to said feedback signal. 12. The compressor turbine motor train control system of claim 10 wherein said compressor turbine motor train control system adjusts one or more operational parameter responsive to said power reference signal. 13. The compressor turbine motor train control system of claim 9 wherein said compressor turbine motor train control system adjusts one or more operational parameter responsive to said input signal. 14. The compressor turbine motor train control system of claim 9, wherein said feedback signal comprises at least one of: a real power signal; a reactive power signal; a frequency signal; and a voltage signal. 15. The compressor turbine motor train control system of claim 10, wherein said power reference signal comprises at least one of: a real power reference signal and a reactive power reference signal. 16. The compressor turbine motor train control system of claim 9 wherein said electrical grid management system comprises: one or more grid transducer; a frequency and power control module; and a voltage control module. 17. The compressor turbine motor train control system of claim 9 wherein said turbine control system comprises at least one of a speed regulator function and a power feed forward function. 18. The compressor turbine motor train control system of claim 9 wherein said compressor control system comprises at least one of a pressure ratio regulator function and a load modulator function. 19. A system for controlling a compressor turbine motor tram comprising: a compressor control system configured to receive an input signal and one or more command signals and configured to output a speed control signal; a compressor coupled to the compressor control system; an electrical grid management system including configured for receiving a feedback signal and outputting the one or more command signals; a turbine control system configured to receive the speed control signal and to output a drive command signal; a turbine operatively coupled to the turbine control system; an electrical grid operatively coupled to the turbine and the electrical grid management system; and a frequency and power control module coupled to the electrical grid management system, the frequency and power control module configured to adjust a speed and a load of the compressor, and further configured to adjust a fuel flow into the turbine, wherein the speed and the load of the compressor, and the fuel flow into the turbine are operational parameters of the compressor turbine motor train and are adjusted based on any of said input or said feedback signals to stabilize at least one of a frequency and a voltage of the electrical grid. 20. The system of claim 19 further comprising means for receiving a power reference signal associated with said electrical grid. 21. The system of claim 19 wherein said input signal is received from a plant process controller.