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A partial loss of the load is sensed by a comparison of the inlet pressure at the lower pressure turbine stages with the output power provided to the load. The disclosure relates to a steam turbine-driven electrical generating plant wherein a protection system is provided for preventing the turbines from reaching speeds which would result in damage to the turbines such speeds resulting from a sudden partial or entire loss of the electrical load. Y02T50/60- Efficient propulsion technologies, e.g.Y02T50/00- Aeronautics or air transport.Y02T- CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION.Y02- TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE.Y- GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS AND DIGESTS.F01K7/24- Control or safety means specially adapted therefor.F01K7/22- Steam engine plants characterised by the use of specific types of engine Plants or engines characterised by their use of special steam systems, cycles or processes Control means specially adapted for such systems, cycles or processes Use of withdrawn or exhaust steam for feed-water heating the engines being only of turbine type the turbines having inter-stage steam heating.F01K7/16- Steam engine plants characterised by the use of specific types of engine Plants or engines characterised by their use of special steam systems, cycles or processes Control means specially adapted for such systems, cycles or processes Use of withdrawn or exhaust steam for feed-water heating the engines being only of turbine type.F01K7/00- Steam engine plants characterised by the use of specific types of engine Plants or engines characterised by their use of special steam systems, cycles or processes Control means specially adapted for such systems, cycles or processes Use of withdrawn or exhaust steam for feed-water heating.F01K- STEAM ENGINE PLANTS STEAM ACCUMULATORS ENGINE PLANTS NOT OTHERWISE PROVIDED FOR ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES.F01D21/02- Shutting-down responsive to overspeed.in emergency Regulating, controlling, or safety means not otherwise provided for F01D21/00- Shutting-down of machines or engines, e.g.F01D- NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g.F01- MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES.F- MECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING.Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp Priority to US86696569A priority Critical Application granted granted Critical Publication of US3643437A publication Critical patent/US3643437A/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links Original Assignee Westinghouse Electric Corp Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
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Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US866965A Inventor Manfred E Birnbaum Andrew S Braytenbah Arthur W Richardson Current Assignee (The listed assignees may be inaccurate.
#SIEMENS GENERATOR STOPPED ALARM GOVERNOR FAULT PDF#
Google Patents Overspeed protection system for a steam turbine generatorÄownload PDF Info Publication number US3643437A US3643437A US866965A US3643437DA US3643437A US 3643437 A US3643437 A US 3643437A US 866965 A US866965 A US 866965A US 3643437D A US3643437D A US 3643437DA US 3643437 A US3643437 A US 3643437A Authority US United States Prior art keywords pressure steam turbine load valve Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US3643437A - Overspeed protection system for a steam turbine generator US3643437A - Overspeed protection system for a steam turbine generator