OPERATING METHOD OF COMPRESSOR STATION OF MAIN GAS PIPELINES WITH GAS TURBINE AND ELECTRIC DRIVE GAS PUMPING UNITS AND GAS TURBINE EXPANDER POWER PLANT Russian patent published in 2021 - IPC F02D25/00 

FIELD: storage or distribution of gases or liquids.

SUBSTANCE: operating method of compressor station of main gas pipelines, containing electrically driven and gas turbine gas transfer units, additional high-speed gas turbine expander power plant, according to which useful work of turbine expander is used for compressor drive; fuel gas from the main gas line is expanded in a turbine expander and supplied to combustion chambers of a high-speed gas turbine expander power plant and gas turbine gas pumping units. At that, major part of electric energy generated in gas generator of gas turbine expander power plant, are supplied for supply and frequency adjustment of rpm and power of high-speed electric motors of electrically driven gas transfer units, and smaller part is used for power supply of auxiliary needs of compressor station and for supply to external electric networks.

EFFECT: operating method of compressor station of main gas pipelines with gas turbine and electrically driven gas pumping units and gas turbine expander power plant is disclosed.

1 cl, 1 dwg