GB1410320A - Arrangement for controlling the loading of a turbine system - Google Patents

Arrangement for controlling the loading of a turbine system

Info

Publication number
GB1410320A
GB1410320A GB2445574A GB2445574A GB1410320A GB 1410320 A GB1410320 A GB 1410320A GB 2445574 A GB2445574 A GB 2445574A GB 2445574 A GB2445574 A GB 2445574A GB 1410320 A GB1410320 A GB 1410320A
Authority
GB
United Kingdom
Prior art keywords
stages
valves
flow
turbine
input signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB2445574A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CBS Corp
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 as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of GB1410320A publication Critical patent/GB1410320A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D19/00—Starting of machines or engines; Regulating, controlling, or safety means in connection therewith
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D17/00—Regulating or controlling by varying flow
    • F01D17/20—Devices dealing with sensing elements or final actuators or transmitting means between them, e.g. power-assisted
    • F01D17/22—Devices dealing with sensing elements or final actuators or transmitting means between them, e.g. power-assisted the operation or power assistance being predominantly non-mechanical
    • F01D17/24—Devices dealing with sensing elements or final actuators or transmitting means between them, e.g. power-assisted the operation or power assistance being predominantly non-mechanical electrical
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K13/00—General layout or general methods of operation of complete plants
    • F01K13/02—Controlling, e.g. stopping or starting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • 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
    • 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
    • F01K7/22—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
    • F01K7/24—Control or safety means specially adapted therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Control Of Turbines (AREA)

Abstract

1410320 Servo-systems WESTINGHOUSE ELECTRIC CORP 3 June 1974 [12 June 1973] 24455/74 Heading G3P A control arrangement for a steam turbine system having first and second stages 21', 45', each of which is provided with a flow and by-pass valve 19', 27', and 49', 59', and input means 61' providing a signal indicative of the power requirements of the system, characterized in that each stage includes a means 67', 69', for detecting the power output of the respective stages, and means 63', 65', for comparing these outputs with the input signal so as to supply error signals to control main flow valves 19', 49', and independent means 93', 101', for adjusting by-pass valves 27', 59', in response to adjustment of the flow valves 19', 49', so as to maintain a desired minimum flow through by-pass lines 25', 57', and the turbine stages, and correlating means 75', 77', which modify the input signal so as to produce equivalent variations in the flow through the turbine stages. In operation, an input signal 61' is conveyed to means 63', 65', of the two stages where the signal is compared with power signals 67', 69', received from the turbine stages, the error signal being used to adjust the main valves 19', 49', through regulators 71', 73'. A pair of function generators 75', 77', modify the input signal to produce equivalent variations of flow through the two stages, and a generator 79' connected into the system can vary the effective input signal until the power output of the system equals the power requirements. The by-pass valves 27', 59', are adjusted inversely to the adjustment of valves 19', 49', when the latter are adjusted so as to maintain the desired flow through the by-pass lines, and turbine stages by pressure transducers 93', 101', the signals from which are compared at 95', 103', with reference signals 97', 105', the error signals passing through regulators 99', 107'. The by-pass valves 27', 59', are initially adjusted more quickly upon adjustment of the main valves 19', 49', by signals passing from regulators 71', 73', through equalizing means 111, 115, to comparators 109, 113. It is stated that the invention relates to the control of a steam turbine having HP, IP & LP stages 21', 45', 47' wherein the system is interfaced with a high temperature gas cooled reactor having a coolant pump driven by a steam turbine stage 37'. It is necessary to operate stage 37' to circulate helium coolant even when power is not being extracted from the turbine system.
GB2445574A 1973-06-12 1974-06-03 Arrangement for controlling the loading of a turbine system Expired GB1410320A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US36933273A 1973-06-12 1973-06-12

Publications (1)

Publication Number Publication Date
GB1410320A true GB1410320A (en) 1975-10-15

Family

ID=23455025

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2445574A Expired GB1410320A (en) 1973-06-12 1974-06-03 Arrangement for controlling the loading of a turbine system

Country Status (9)

Country Link
JP (1) JPS5341721B2 (en)
BE (1) BE816150A (en)
CA (1) CA1029806A (en)
DE (1) DE2427923A1 (en)
ES (1) ES427165A1 (en)
FR (1) FR2233492B1 (en)
GB (1) GB1410320A (en)
IT (1) IT1014954B (en)
SE (1) SE399460B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113074026A (en) * 2021-04-02 2021-07-06 杭州华电半山发电有限公司 Control method of steam turbine high-pressure cylinder steam inlet pipeline drainage valve

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4015430A (en) * 1975-09-30 1977-04-05 Westinghouse Electric Corporation Electric power plant and turbine acceleration control system for use therein
CH619509A5 (en) * 1977-01-31 1980-09-30 Bbc Brown Boveri & Cie
US4357803A (en) * 1980-09-05 1982-11-09 General Electric Company Control system for bypass steam turbines
JPS62206203A (en) * 1986-03-07 1987-09-10 Hitachi Ltd Operation control method for steam turbine
DE10042317A1 (en) * 2000-08-29 2002-03-14 Alstom Power Nv Steam turbine for combined cycle power plant, has quick acting valves in combination with regulating valves, provided in both fresh steam and bypass paths

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113074026A (en) * 2021-04-02 2021-07-06 杭州华电半山发电有限公司 Control method of steam turbine high-pressure cylinder steam inlet pipeline drainage valve
CN113074026B (en) * 2021-04-02 2023-02-21 杭州华电半山发电有限公司 Control method of steam turbine high-pressure cylinder steam inlet pipeline drainage valve

Also Published As

Publication number Publication date
JPS5341721B2 (en) 1978-11-06
SE399460B (en) 1978-02-13
DE2427923A1 (en) 1975-01-16
IT1014954B (en) 1977-04-30
SE7407778L (en) 1974-12-13
FR2233492B1 (en) 1978-03-24
JPS5032303A (en) 1975-03-29
BE816150A (en) 1974-12-11
FR2233492A1 (en) 1975-01-10
ES427165A1 (en) 1976-07-16
CA1029806A (en) 1978-04-18

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]