JPS5482502A - Turbine controller - Google Patents

Turbine controller

Info

Publication number
JPS5482502A
JPS5482502A JP14926577A JP14926577A JPS5482502A JP S5482502 A JPS5482502 A JP S5482502A JP 14926577 A JP14926577 A JP 14926577A JP 14926577 A JP14926577 A JP 14926577A JP S5482502 A JPS5482502 A JP S5482502A
Authority
JP
Japan
Prior art keywords
air
turbine
signal
rotational frequency
electricity
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
JP14926577A
Other languages
Japanese (ja)
Inventor
Ryosuke Arie
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 JP14926577A priority Critical patent/JPS5482502A/en
Publication of JPS5482502A publication Critical patent/JPS5482502A/en
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Turbines (AREA)

Abstract

PURPOSE: To strengthen the explosion-proof function of a turbine by constituting a controller for the turbine such that an output of a rotation identifier for the turbine is converted into an electric signal and a final opening instruction is issued from an electricity to air converter depending on the outputs of the rotation identifier and an opening instruction signal arithmetic unit for a steam regulator valve.
CONSTITUTION: If the rotational frequency N of a turbine is changed, the back pressure P of a rotational frequency identifier 5 is also changed. This pressure is introduced into an air to electricity converter 8 and then is compared at an arithmetic unit 10 with a signal representative of a predetermined rotational frequency determined by a rotational frequency setting means 9 to provide an opening instruction electric signal which is converted into an air signal at an electricity to air converter 11. This air signal is applied to an air motor 13 by way of a magnet valve 24 and a compensator 12 to control a steam regulator valve 2. In case of a trouble in the electric circuit, the magnet valve 24 is closed to confine air between the magnet valve 24 and the air motor 13 and is locked to such position whereby runaway of the turbine 1 can be prevented.
COPYRIGHT: (C)1979,JPO&Japio
JP14926577A 1977-12-14 1977-12-14 Turbine controller Pending JPS5482502A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14926577A JPS5482502A (en) 1977-12-14 1977-12-14 Turbine controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14926577A JPS5482502A (en) 1977-12-14 1977-12-14 Turbine controller

Publications (1)

Publication Number Publication Date
JPS5482502A true JPS5482502A (en) 1979-06-30

Family

ID=15471451

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14926577A Pending JPS5482502A (en) 1977-12-14 1977-12-14 Turbine controller

Country Status (1)

Country Link
JP (1) JPS5482502A (en)

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