GB1506081A – Method and apparatus for the thermal monitoring of a nuclear reactor core
– Google Patents
GB1506081A – Method and apparatus for the thermal monitoring of a nuclear reactor core
– Google Patents
Method and apparatus for the thermal monitoring of a nuclear reactor core
Info
Publication number
GB1506081A
GB1506081A
GB6853/76A
GB685376A
GB1506081A
GB 1506081 A
GB1506081 A
GB 1506081A
GB 6853/76 A
GB6853/76 A
GB 6853/76A
GB 685376 A
GB685376 A
GB 685376A
GB 1506081 A
GB1506081 A
GB 1506081A
Authority
GB
United Kingdom
Prior art keywords
signal
core
amplifiers
fed
summing amplifier
Prior art date
1975-03-04
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.)
Expired
Application number
GB6853/76A
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.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
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.)
1975-03-04
Filing date
1976-02-20
Publication date
1978-04-05
1976-02-20
Application filed by Commissariat a lEnergie Atomique CEA
filed
Critical
Commissariat a lEnergie Atomique CEA
1978-04-05
Publication of GB1506081A
publication
Critical
patent/GB1506081A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
G—PHYSICS
G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
G21C—NUCLEAR REACTORS
G21C17/00—Monitoring; Testing ; Maintaining
G21C17/10—Structural combination of fuel element, control rod, reactor core, or moderator structure with sensitive instruments, e.g. for measuring radioactivity, strain
G21C17/112—Measuring temperature
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
Abstract
1506081 Nuclear reactor safety systems COMMISSARIAT A L’ENERGIE ATOMIQUE 20 Feb 1976 [4 March 1975] 6853/76 Heading G4N A method of thermal monitoring of a nuclear reactor core including hot and cold fuel assemblies utilizing coolant temperatures detected at the outlets thereof comprises following the progressive variation of a signal wherein u k is a signal representing the coolant outlet temperature of the kth fuel assembly, u c is a signal representing a mean hot core outlet temperature derived from at least a preselected number of signals u k , u f is a signal representing a mean cold core outlet temperature derived from at least a preselected number of signals u k , c k is a parameter characteristic of the kth fuel assembly, established at the time of an initial adjustment to make E k = 0, and processing the signal to ensure that appropriate safety actions are initiated when required. As shown, the core outlet temperature of each of N core assemblies is measured by thermocouples 1, 2, 3, 4 &c., the signal amplified by amplifiers 5 and 6 and fed to an input of a summing amplifier 7. The output of a certain number of amplifiers 6, say 10 associated with hot core assemblies and 10 associated with cold core assemblies out of a total of 85 is also fed to amplifiers 14 and 15 respectively. These form part of circuit C, in which by means of summing amplifier 16 and inverting amplifier 17, an inverted signal (u c +u f )/2 is fed to each summing amplifier 7. Amplifiers 14, 15 also form part of circuit D wherein by means of inverting amplifier 18 and summing amplifier 19, signal (u c -u f ) is fed to assembly 20 comprising amplifiers and potentiometers for initial establishment of parameter c for each core assembly, and signals c(u c -u f ) are also fed to an input of each summing amplifier 7. Devices 8, 9, 10 comprise thresholds for pre-alarm, emergency shutdown and control rod drop respectively, actuated by positive or negative signals by means of the shunt circuit comprising diode 7a and amplifier 7b. Safety actions are triggered by OR-circuits 11, 12, 13 when the thresholds are exceeded.
GB6853/76A
1975-03-04
1976-02-20
Method and apparatus for the thermal monitoring of a nuclear reactor core
Expired
GB1506081A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
FR7506746A
FR2303355A1
(en)
1975-03-04
1975-03-04
METHOD AND DEVICE FOR THERMAL CONTROL OF THE CORE OF A NUCLEAR REACTOR
Publications (1)
Publication Number
Publication Date
GB1506081A
true
GB1506081A
(en)
1978-04-05
Family
ID=9152070
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB6853/76A
Expired
GB1506081A
(en)
1975-03-04
1976-02-20
Method and apparatus for the thermal monitoring of a nuclear reactor core
Country Status (8)
Country
Link
US
(1)
US4045282A
(en)
JP
(1)
JPS51113095A
(en)
BE
(1)
BE839188A
(en)
DE
(1)
DE2608996A1
(en)
ES
(1)
ES445748A1
(en)
FR
(1)
FR2303355A1
(en)
GB
(1)
GB1506081A
(en)
NL
(1)
NL7602223A
(en)
Cited By (1)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
FR2499298A1
(en)
*
1981-02-04
1982-08-06
Westinghouse Electric Corp
POWER SUPPLY SYSTEM OF A NUCLEAR REACTOR
Families Citing this family (8)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
DE2742396C2
(en)
*
1977-09-21
1982-04-22
Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe
Method and circuit arrangements for detecting a cooling fault
US4239595A
(en)
*
1979-01-11
1980-12-16
Westinghouse Electric Corp.
Data system for automatic flux mapping applications
US4308099A
(en)
*
1979-01-22
1981-12-29
The Babcock & Wilcox Company
Nuclear reactor safety system
US4411858A
(en)
*
1981-01-30
1983-10-25
Scandpower, Inc.
Power performance monitoring system for nuclear reactor fuel core
JPS5921111A
(en)
*
1982-07-26
1984-02-03
Toshiba Corp
Wide band preamplifier
US20070011814A1
(en)
*
2005-07-14
2007-01-18
Jeremy Rotert
Surgical table attachment
EP3747027B1
(en)
*
2018-02-02
2022-11-23
Westinghouse Electric Company Llc
Nuclear fuel failure protection method
CN113984243B
(en)
*
2021-10-22
2023-11-10
中国原子能科学研究院
Temperature detecting device
Family Cites Families (8)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
BE566406A
(en)
*
1957-04-15
GB942319A
(en)
*
1960-07-06
1963-11-20
Atomic Energy Authority Uk
Improvements in or relating to control systems for nuclear reactors
US3202804A
(en)
*
1961-08-31
1965-08-24
North American Aviation Inc
Method and apparatus for monitoring the operation of a system
US3114263A
(en)
*
1962-05-02
1963-12-17
Joseph A Mccann
Subcooling detector
CH404818A
(en)
*
1963-09-19
1965-12-31
Sulzer Ag
Method and device for determining the instantaneous power output of an atomic nuclear reactor
US3423285A
(en)
*
1966-01-27
1969-01-21
Westinghouse Electric Corp
Temperature control for a nuclear reactor
FR2061740B1
(en)
*
1969-09-16
1974-08-23
Siemens Ag
US3752735A
(en)
*
1970-07-16
1973-08-14
Combustion Eng
Instrumentation for nuclear reactor core power measurements
1975
1975-03-04
FR
FR7506746A
patent/FR2303355A1/en
active
Granted
1976
1976-02-20
GB
GB6853/76A
patent/GB1506081A/en
not_active
Expired
1976-02-26
US
US05/661,756
patent/US4045282A/en
not_active
Expired – Lifetime
1976-03-03
JP
JP51022303A
patent/JPS51113095A/en
active
Pending
1976-03-03
NL
NL7602223A
patent/NL7602223A/en
not_active
Application Discontinuation
1976-03-04
DE
DE19762608996
patent/DE2608996A1/en
active
Pending
1976-03-04
ES
ES445748A
patent/ES445748A1/en
not_active
Expired
1976-03-04
BE
BE164855A
patent/BE839188A/en
unknown
Cited By (4)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
FR2499298A1
(en)
*
1981-02-04
1982-08-06
Westinghouse Electric Corp
POWER SUPPLY SYSTEM OF A NUCLEAR REACTOR
EP0057453A2
(en)
*
1981-02-04
1982-08-11
Westinghouse Electric Corporation
Nuclear reactor power supply system
EP0057453A3
(en)
*
1981-02-04
1982-11-17
Westinghouse Electric Corporation
Nuclear reactor power supply system
US4427620A
(en)
1981-02-04
1984-01-24
Westinghouse Electric Corp.
Nuclear reactor power supply
Also Published As
Publication number
Publication date
US4045282A
(en)
1977-08-30
FR2303355B1
(en)
1978-08-18
NL7602223A
(en)
1976-09-07
FR2303355A1
(en)
1976-10-01
DE2608996A1
(en)
1976-09-16
ES445748A1
(en)
1977-11-01
JPS51113095A
(en)
1976-10-05
BE839188A
(en)
1976-07-01
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Legal Events
Date
Code
Title
Description
1978-08-16
PS
Patent sealed [section 19, patents act 1949]
1980-10-01
PCNP
Patent ceased through non-payment of renewal fee
