2 edition of NEMA standards for hydraulic turbines and governors found in the catalog.
NEMA standards for hydraulic turbines and governors
National Electrical Manufacturers Association.
in [New York]
Written in English
|Series||Its Pub[lication], no. HT1-1949|
|LC Classifications||TK7 .N35 no. HT-1|
|The Physical Object|
|Number of Pages||27|
|LC Control Number||50005664|
STANDARDS Special-Purpose Steam Turbines for Petrochemical, Chemical, and Gas Industry Services, API Standard (), Fourth Edition, June , paragraph states: “Rotors shall be capable of safe operation at momentary speeds up to % of the rated operating speed at normal operating temperature.”. For automatic extraction units larger t kW, governing will be specified either with a mechanicalhydraulic or an electro-hydraulic system. b. Overspeed governors. All turbines require separate safety or overspeed governing systems to insure inlet steam interruption if the machine exceeds a safe speed for any reason.
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