JPS5716207A - Feed water turbine pump controller - Google Patents

Feed water turbine pump controller

Info

Publication number
JPS5716207A
JPS5716207A JP9057880A JP9057880A JPS5716207A JP S5716207 A JPS5716207 A JP S5716207A JP 9057880 A JP9057880 A JP 9057880A JP 9057880 A JP9057880 A JP 9057880A JP S5716207 A JPS5716207 A JP S5716207A
Authority
JP
Japan
Prior art keywords
feed water
control valve
turbine
driving
load
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.)
Pending
Application number
JP9057880A
Other languages
Japanese (ja)
Inventor
Hiroshi Hanaoka
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP9057880A priority Critical patent/JPS5716207A/en
Publication of JPS5716207A publication Critical patent/JPS5716207A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To perform stable control of water feed in a turbine driving a feed water pump, by performing correction control of opening of a control valve correspondingly to one of the data of driving steam pressure, load demand signal and main turbine load.
CONSTITUTION: Extraction steam of a main turbine 4 is fed through a low pressure control valve 3 to drive a feed water pump driving turbine 2. In accordance with a boiler feed water flow rate signal 6, feed water pump flow rate signal 7, speed signal 8 of the turbine 2 further driving steam pressure 9 and load demand signal, arithmetic operation is performed in a feed water controller 11 to output a low pressure control valve opening command 10. An opening degree of the control valve is correctively controlled inversely in proportion to the driving steam pressure 9 or in an approximate function. In this way, an unstable state of the control valve at change of a load can be eliminated to perform stable control of feed water.
COPYRIGHT: (C)1982,JPO&Japio
JP9057880A 1980-07-04 1980-07-04 Feed water turbine pump controller Pending JPS5716207A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9057880A JPS5716207A (en) 1980-07-04 1980-07-04 Feed water turbine pump controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9057880A JPS5716207A (en) 1980-07-04 1980-07-04 Feed water turbine pump controller

Publications (1)

Publication Number Publication Date
JPS5716207A true JPS5716207A (en) 1982-01-27

Family

ID=14002309

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9057880A Pending JPS5716207A (en) 1980-07-04 1980-07-04 Feed water turbine pump controller

Country Status (1)

Country Link
JP (1) JPS5716207A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58145804A (en) * 1982-02-24 1983-08-31 株式会社日立製作所 Controller for feedwater of nuclear reactor
JPS58205006A (en) * 1982-05-26 1983-11-29 株式会社東芝 Controller for feed pump
JPS59150205A (en) * 1983-02-16 1984-08-28 株式会社東芝 Controller for feedpump
JPH01111983A (en) * 1987-10-23 1989-04-28 Mitsubishi Heavy Ind Ltd Grip drive for excavator
JPH01322086A (en) * 1988-06-23 1989-12-27 Shiomigumi:Kk Drilling head used for earth auger device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58145804A (en) * 1982-02-24 1983-08-31 株式会社日立製作所 Controller for feedwater of nuclear reactor
JPS58205006A (en) * 1982-05-26 1983-11-29 株式会社東芝 Controller for feed pump
JPS59150205A (en) * 1983-02-16 1984-08-28 株式会社東芝 Controller for feedpump
JPH01111983A (en) * 1987-10-23 1989-04-28 Mitsubishi Heavy Ind Ltd Grip drive for excavator
JPH01322086A (en) * 1988-06-23 1989-12-27 Shiomigumi:Kk Drilling head used for earth auger device

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