JPS5413804A - Turbine speed detecting circuit - Google Patents

Turbine speed detecting circuit

Info

Publication number
JPS5413804A
JPS5413804A JP7789177A JP7789177A JPS5413804A JP S5413804 A JPS5413804 A JP S5413804A JP 7789177 A JP7789177 A JP 7789177A JP 7789177 A JP7789177 A JP 7789177A JP S5413804 A JPS5413804 A JP S5413804A
Authority
JP
Japan
Prior art keywords
detecting circuit
speed detecting
turbine speed
rotational frequency
detecting
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
JP7789177A
Other languages
Japanese (ja)
Inventor
Makoto Kamazawa
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 JP7789177A priority Critical patent/JPS5413804A/en
Publication of JPS5413804A publication Critical patent/JPS5413804A/en
Pending legal-status Critical Current

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  • Control Of Turbines (AREA)

Abstract

PURPOSE: To continue proper running , by detecting the rotational frequency from the output of an electric generator independently of a rotational frequency detector at a shaft end and by performing backup.
COPYRIGHT: (C)1979,JPO&Japio
JP7789177A 1977-07-01 1977-07-01 Turbine speed detecting circuit Pending JPS5413804A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7789177A JPS5413804A (en) 1977-07-01 1977-07-01 Turbine speed detecting circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7789177A JPS5413804A (en) 1977-07-01 1977-07-01 Turbine speed detecting circuit

Publications (1)

Publication Number Publication Date
JPS5413804A true JPS5413804A (en) 1979-02-01

Family

ID=13646688

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7789177A Pending JPS5413804A (en) 1977-07-01 1977-07-01 Turbine speed detecting circuit

Country Status (1)

Country Link
JP (1) JPS5413804A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100326523B1 (en) * 1999-08-27 2002-03-02 윤영석 Device and method for sensing overspeed prime mover

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100326523B1 (en) * 1999-08-27 2002-03-02 윤영석 Device and method for sensing overspeed prime mover

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