KR940002867A - Unnecessary control rod drop prevention device - Google Patents

Unnecessary control rod drop prevention device Download PDF

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Publication number
KR940002867A
KR940002867A KR1019920013333A KR920013333A KR940002867A KR 940002867 A KR940002867 A KR 940002867A KR 1019920013333 A KR1019920013333 A KR 1019920013333A KR 920013333 A KR920013333 A KR 920013333A KR 940002867 A KR940002867 A KR 940002867A
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KR
South Korea
Prior art keywords
signal
control rod
unit
card
storage unit
Prior art date
Application number
KR1019920013333A
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Korean (ko)
Other versions
KR970003174B1 (en
Inventor
김효진
Original Assignee
김효진
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 김효진 filed Critical 김효진
Priority to KR1019920013333A priority Critical patent/KR970003174B1/en
Publication of KR940002867A publication Critical patent/KR940002867A/en
Application granted granted Critical
Publication of KR970003174B1 publication Critical patent/KR970003174B1/en

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Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C7/00—Control of nuclear reaction
    • G21C7/36—Control circuits
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)

Abstract

본 발명은 원자력발전소 제어봉의 제어계통, 즉 정지권선공급회로의 단일구성품의 고장이나 전류제어관련 전자회로기판의 고장에 의한 불필요한 제어봉의 낙하를 방지하기 위한 장치에 관한 것으로, 제어봉 정지권선전류신호를 비교감시하는 감지부와, 제어봉 이동중 신호를 감지하는 이동감지부와, 제어봉 인출 또는 삽입에 의한 전류 차단 감지신호를 이용하여 해당그룹선택신호 및 긴급경보신호를 발생하는 기억부(3)와, 그룹선택신호에 따라 해당그룹을 선택하는 그룹선택구동부(4)와 긴급경보신호를 경보카드에 제공하는 긴급경보신호 제공부로 구성된다.The present invention relates to an apparatus for preventing unnecessary drop of the control rod due to a failure of a control system of a control rod of a nuclear power plant, that is, a failure of a single component of a stop winding supply circuit or an electronic circuit board related to current control. A comparison unit, a detection unit for detecting a signal while moving the control rod, a storage unit 3 for generating a corresponding group selection signal and an emergency alarm signal by using a current blocking detection signal by drawing or inserting the control rod, and a group Group selection driving unit (4) for selecting the group in accordance with the selection signal and the emergency alarm signal providing unit for providing an emergency alarm signal to the alarm card.

Description

불필요한 제어봉 낙하 방지장치Unnecessary control rod drop prevention device

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 정지권선 전류제어계통 개략도,1 is a schematic diagram of a stop winding current control system;

제2도는 전류제어 실패를 감지하는 고장감지회로,2 is a fault detection circuit for detecting a current control failure;

제3도는 제어봉 전력함 내의 그룹 구분.3 shows grouping within control rod power boxes.

Claims (2)

원자력 발전소의 불필요한 제어봉 낙하 방지장치에 있어서, 각각의 정지권선조절카드와 연결되어 있고, 정지권선전류를 기준전류와 비교 감시하여 전류차단감지 신호를 제공하는 감지부(2,11)와, 신호처리카드(30)와 연결되어 있고, 상기 신호처리카드(30)에서 제공하는 제어봉 이동중 신호를 감시하는 이동감지부(31)와, 상기 감지부(2,11) 및 이동 감지부(31)에 연결되고, 제어봉 인출 또는 삽입에 의한 전류차단감지신호이면 감지신호를 차단하고, 이외의 상황시에는 전류차단감지 신호를 이용하여 해당그룹선택 및 긴급경보를 발생하는 기억부(3)와, 신호처리카드(5)와 연결되어 있고, 상기 기억부(3)로부터 받은 그룹 선택신호 발생에 의해 해당그룹을 선택하는 그룹선택구동부(4)와, 경보카드(7) 및 이동권선조절카드(8)에 연결되어 있으며, 상기 기억부(3)에서 받은 긴급 경보신호를 상기 경보카드(7)에 제공하는 긴급경보신호제공부(6)로 구성되는 것을 특징으로 하는 불필요한 제어봉 낙하 방지장치.In the control rod fall prevention device of the nuclear power plant, it is connected to each stop winding control card, the detection unit (2, 11) for monitoring the stop winding current compared to the reference current to provide a current cut detection signal, and signal processing Is connected to the card 30, and connected to the movement detecting unit 31 for monitoring the signal during the movement of the control rod provided by the signal processing card 30, the sensing unit (2, 11) and the movement detecting unit (31) If the current blocking detection signal by the control rod withdrawal or insertion, the detection signal is cut off, and in other cases, the storage unit (3) and the signal processing card to generate the group selection and emergency alarm by using the current blocking detection signal. (5), connected to the group selection drive unit (4) for selecting the group by the generation of the group selection signal received from the storage unit (3), the alarm card (7) and the moving winding control card (8) In the storage unit 3 Unnecessary control rod fall prevention device, characterized in that consisting of an emergency alarm signal providing unit for providing an emergency alarm signal received from the alarm card (7). 제1항에 있어서, 상기 기억부(3)는 보내어진 신호에 의해 래치되는 그룹선택용 R-S 래치회로와 약 5밀리 초의 시간지연을 갖는 긴급경보신호제공용 R-S 래치 회로를 포함하는 감지신호 기억부와, 외부신호에 의해 정상 상태시에만 리셋되는 기능을 가지는 기억소거회로를 포함하는 것을 특징으로 하는 불필요한 제어봉 낙하 방지 장치.2. The detection signal storage unit according to claim 1, wherein the storage unit (3) includes a group selection RS latch circuit latched by the transmitted signal and an emergency alarm signal provision RS latch circuit having a time delay of about 5 milliseconds. And a memory erasing circuit having a function of being reset only in a normal state by an external signal. ※ 참고사항：최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920013333A 1992-07-25 1992-07-25 A control rod falling prevention apparatus KR970003174B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019920013333A KR970003174B1 (en) 1992-07-25 1992-07-25 A control rod falling prevention apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019920013333A KR970003174B1 (en) 1992-07-25 1992-07-25 A control rod falling prevention apparatus

Publications (2)

Publication Number Publication Date
KR940002867A true KR940002867A (en) 1994-02-19
KR970003174B1 KR970003174B1 (en) 1997-03-14

Family

ID=19336980

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920013333A KR970003174B1 (en) 1992-07-25 1992-07-25 A control rod falling prevention apparatus

Country Status (1)

Country Link
KR (1) KR970003174B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100432301B1 (en) * 2001-11-29 2004-05-22 주식회사농심 The method of preparing the crust of overcooked rice snack showing the shape of rice
KR100878437B1 (en) * 2007-06-29 2009-01-13 한국수력원자력 주식회사 System for halt prevention of a nuclear reactor and Method thereof

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100619663B1 (en) * 2003-08-14 2006-09-08 한국전력기술 주식회사 Apparatus for preventing unwanted control rod dropping in nuclear power plant and Method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100432301B1 (en) * 2001-11-29 2004-05-22 주식회사농심 The method of preparing the crust of overcooked rice snack showing the shape of rice
KR100878437B1 (en) * 2007-06-29 2009-01-13 한국수력원자력 주식회사 System for halt prevention of a nuclear reactor and Method thereof

Also Published As

Publication number Publication date
KR970003174B1 (en) 1997-03-14

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