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METHODS TO LOWER THE ENERGY EXPENDITURES ON ROTOR CRYOSTATTING IN SUPERCONDUCTING TURBINE GENERATORS.

Author(s) : DANILEVICH Ja. B., KOROLKOV A. G., LUCET M. O.

Type of article: Article

Summary

TO LOWER THE ENERGY EXPENDITURE OF A CRYOSTAT SYSTEM FOR ROTORS FOR SUPERCONDUCTING TURBINE GENERATORS, A < WARM > ELECTROMAGNETIC SHIELD REQUIRES LESS REFRIGERATION POWER THAN A < COLD > SHIELD. FOR THE THERMAL BRIDGE AN IDEALIZED COOLING SYSTEM COMPRISING MANY DIFFERENT COOLANT STREAMS IS COMPARED TO PRACTICAL SYSTEMS WITH ONE OR TWO COOLANT PATHS. THE ENERGY EXPENDITURE WAS ANALYSED AS A FUNCTION OF THE CO-ORDINATE OF THE POINT WHERE THE THERMAL SHIELD IS ATTACHED TO THE THERMAL BRIDGE, TEMPERATURE OF THE ESCAPING VAPOUR OF THE COOLANT, AND WORKING TEMPERATURE OF THE INDUCTOR. A SYSTEM WITH TWO-FLOW GAS COOLING OF THE THERMAL BRIDGE IS OFFERED WHERE THE THROTTLE STAGE OF THE HELIUM REFRIGERATOR IS LOCATED IN THE ROTOR.

Details

  • Original title: METHODS TO LOWER THE ENERGY EXPENDITURES ON ROTOR CRYOSTATTING IN SUPERCONDUCTING TURBINE GENERATORS.
  • Record ID : 1987-1245
  • Languages: English
  • Source: Cryogenics - vol. 26 - n. 11
  • Publication date: 1986

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