LOAD CONTROLLING DEVICE OF MULTI-AXIS COMBINED CYCLE POWER PLANT

PROBLEM TO BE SOLVED: To enable running having deviation of each gas turbine output while maintaining the output as one unit constant in a combined cycle power generating system comprising a plurality of gas turbine shafts and steam turbine shafts. SOLUTION: This total load controlling device alloca...

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Bibliographische Detailangaben
Hauptverfasser:	MORI TAKAHIRO, KISHIMOTO HIROYOSHI
Format:	Patent
Sprache:	eng
Schlagworte:	AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING COMBUSTION ENGINES CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY ENGINE PLANTS IN GENERAL ENGINE PLANTS NOT OTHERWISE PROVIDED FOR ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES GAS-TURBINE PLANTS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERATION HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION STEAM ACCUMULATORS STEAM ENGINE PLANTS STEAM ENGINES TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To enable running having deviation of each gas turbine output while maintaining the output as one unit constant in a combined cycle power generating system comprising a plurality of gas turbine shafts and steam turbine shafts. SOLUTION: This total load controlling device allocates inconstant load setting values to a load setter of each gas turbine shaft based on a load setting and a system frequency from a central feeding instruction place. A gas turbine load controlling device finds a speed setting value of the gas turbine from deviation between a load setting value set to the load setter by the total load controlling device and the gas turbine load, and controls the gas turbine load in a manner that the gas turbine speed becomes the speed setting value. A steam turbine load controlling device controls a steam turbine load in a manner that a steam turbine speed becomes the speed setting value. COPYRIGHT: (C)2004,JPO