Gland sealing steam is used during steam turbine operation to prevent the loss of __________.
⢠Steam turbine gland sealing system purpose ⢠Effect of air leaking into a condenser on turbine operation ⢠Relationship between vacuum in the condenser and turbine efficiency
⢠What happens at the turbine shaft seals if there is a pressure difference between the turbine casing and the atmosphere? ⢠Which of the options, if lost, would most seriously reduce the condenserâs ability to condense steam and hurt turbine efficiency? ⢠In a surface condenser, what must be maintained so exhaust steam can flow easily from the turbine into the condenser?
⢠Identify which option is directly tied to condenser performance and turbine efficiency. ⢠Decide which item the gland sealing steam is specifically designed to protect or maintain at the shaft penetrations. ⢠Ask yourself: which of these, if lost, would cause air to be drawn into the condenser and raise its pressure? The correct choice is tied to that condition.
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