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Forms of braking for large air separation unit turbine expanders

Forms of braking for large air separation unit turbine expanders
Jun 20, 2022
Author: DEAR AST

In order to consume the work of the turbine expander when required, to control the speed, to maintain the expander at its maximum efficiency point and to prevent the turbine from flying, turbine expanders are equipped with braking devices. There are three forms of braking commonly used on turbine expanders, namely pneumatic, motor and booster brakes. Most large oxygen generators use motor brakes, while booster brakes are a more advanced form of braking, which can recover the work of the expander to the oxygen generator itself.
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