DEVICE ADAPTIVE CONTROL OF EXPANSION TURBINES Russian patent published in 2017 - IPC F25B49/00 

FIELD: oil and gas industry.

SUBSTANCE: invention relates to a turbine building art, namely to devices regulating turbines and can be used at gas distribution plants for the recovery of the pressurized gas energy and electricity generation. The device comprises a lock and the bypass valves with actuators and position sensors, regulator, switch modes, normalizing and scaling amplifiers, comparison blocks, pressure sensor in the line of low pressure, the load sensor of the external electric network, the adder, the frequency-adjustable wrench, an electric gas heater , setting devices of the maximum and minimum load values in electrical circuits, external power supply and gas heater, Schmidt triggers, reversible counter.

EFFECT: invention provides an increase in reliability of the turbo expander by mechanical load on its shaft stabilization, when the electrical load fluctuations in the external power supply through the redeployment of the electrical energy in the natural gas heating in the input line system.

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