JPS6021503U - Servo valve control device - Google Patents

Servo valve control device

Info

Publication number
JPS6021503U
JPS6021503U JP11310283U JP11310283U JPS6021503U JP S6021503 U JPS6021503 U JP S6021503U JP 11310283 U JP11310283 U JP 11310283U JP 11310283 U JP11310283 U JP 11310283U JP S6021503 U JPS6021503 U JP S6021503U
Authority
JP
Japan
Prior art keywords
servo valve
valve control
control device
hydraulic
control
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
JP11310283U
Other languages
Japanese (ja)
Inventor
義人 田中
健 一柳
山上 俊弥
Original Assignee
株式会社日立製作所
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 株式会社日立製作所 filed Critical 株式会社日立製作所
Priority to JP11310283U priority Critical patent/JPS6021503U/en
Publication of JPS6021503U publication Critical patent/JPS6021503U/en
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Turbines (AREA)
  • Servomotors (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。
(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は従来の電子油圧式制御システムを有する蒸気タ
ービンの電気油圧式サーボ弁の制御装置の系統図、第2
図、第3図は本考案の一実施例を示すタービン蒸気弁危
急遮断時用電源を持つ電気油圧式サーボ弁の制御装置図
である。 1・・・電気油圧式サーボ弁、2・・・油圧シリンダ、
3・・・サーボ弁制御増幅器、4・・・差動トランス、
5・・・差動トランス出力増幅器、6・・・リレー、7
・・・危急遮断時用電源。
Figure 1 is a system diagram of a control device for an electro-hydraulic servo valve of a steam turbine having a conventional electro-hydraulic control system;
3 are diagrams of a control system for an electro-hydraulic servo valve having a power source for emergency shutdown of a turbine steam valve, showing an embodiment of the present invention. 1...Electrohydraulic servo valve, 2...Hydraulic cylinder,
3... Servo valve control amplifier, 4... Differential transformer,
5... Differential transformer output amplifier, 6... Relay, 7
...Power supply for emergency shutoff.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 電子油圧式制御システムを有する蒸気タービンの油圧主
要弁開閉制御に使用される電気油圧式サーボ弁の駆動、
制御回路において、サーボ弁制御を行なうサーボ弁制御
増幅器と、これ以外の別電源とにより形成されることを
特徴とするサーボ弁制御装置。
Driving electro-hydraulic servo valves used to control the opening and closing of hydraulic main valves of steam turbines with electro-hydraulic control systems;
A servo valve control device characterized in that the control circuit includes a servo valve control amplifier that controls the servo valve, and a separate power source other than the servo valve control amplifier.
JP11310283U 1983-07-22 1983-07-22 Servo valve control device Pending JPS6021503U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11310283U JPS6021503U (en) 1983-07-22 1983-07-22 Servo valve control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11310283U JPS6021503U (en) 1983-07-22 1983-07-22 Servo valve control device

Publications (1)

Publication Number Publication Date
JPS6021503U true JPS6021503U (en) 1985-02-14

Family

ID=30261943

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11310283U Pending JPS6021503U (en) 1983-07-22 1983-07-22 Servo valve control device

Country Status (1)

Country Link
JP (1) JPS6021503U (en)

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