JP2001525068A - 原子炉制御棒の自由落下時間を測定する装置及び方法 - Google Patents
原子炉制御棒の自由落下時間を測定する装置及び方法Info
- Publication number
- JP2001525068A JP2001525068A JP54942898A JP54942898A JP2001525068A JP 2001525068 A JP2001525068 A JP 2001525068A JP 54942898 A JP54942898 A JP 54942898A JP 54942898 A JP54942898 A JP 54942898A JP 2001525068 A JP2001525068 A JP 2001525068A
- Authority
- JP
- Japan
- Prior art keywords
- rod
- control rod
- transformer
- reactor
- coils
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.各制御棒クラスタ(12)に連結された駆動棒(14)がクラスタを原子炉 (10)の炉心内へまた炉心から移動させるように作動し、各制御棒クラスタ( 12)には複数の位置センサー(32)が各駆動棒(14)の移動径路に沿って 縦続的に配置され、縦続配置の各位置センサーが共通の変成器(T1)により付 勢される、原子炉(10)の炉心内における複数の制御棒クラスタ(12)の自 由落下時間を測定する装置であって、自由落下時間を測定中は変成器を短絡する 分路手段(50)を含むことを特徴とする自由落下測定装置。 2.分路手段(50)は、測定中変成器(T1)の一次巻線を短絡する請求項1 の測定装置。 3.変成器を付勢すると共に一次巻線を短絡するリレー(50)を具備する請求 項2の測定装置。 4.センサー(30)はコイル(32)を縦続的に配置したものである請求項1 の測定装置。 5.コイル(32)は並列接続されている請求項4の測定装置。 6.センサー(32)は、原子炉の通常運転時、各制御棒クラスタ(12)の位 置を指示する不連続なデジタル出力を発生し、自由落下時間測定時は、アナログ 出力を発生させる請求項1の測定装置。 7.各制御棒クラスタ(12)に連結された駆動棒(14)がクラスタを原子炉 (10)の炉心内へまた炉心から移動させるように作動し、各制御棒クラスタ( 12)には複数の位置センサー(32)が各駆動棒(14)の移動径路に沿って 縦続的に配置され、縦続配置の各位置センサーが共通の変成器(T1)により付 勢される、原子炉(10)の炉心内における複数の制御棒クラスタ(12)の自 由落下時間を測定する方法であって、 変成器の一次巻線を電源から切り離し、 変成器を短絡し、 変成器の二次巻線を流れる電流を測定するステップよりなる自由落下時間測定 方法。 8.短絡ステップは変成器の一次巻線を分路する請求項7の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/855,274 | 1997-05-13 | ||
US08/855,274 US5841824A (en) | 1997-05-13 | 1997-05-13 | System and method for testing the free fall time of nuclear reactor control rods |
PCT/US1998/009654 WO1998052196A1 (en) | 1997-05-13 | 1998-05-08 | System and method for measuring the free fall time of nuclear reactor control rods |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2001525068A true JP2001525068A (ja) | 2001-12-04 |
JP4104025B2 JP4104025B2 (ja) | 2008-06-18 |
Family
ID=25320820
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP54942898A Expired - Lifetime JP4104025B2 (ja) | 1997-05-13 | 1998-05-08 | 原子炉制御棒の自由落下時間を測定する装置及び方法 |
Country Status (9)
Country | Link |
---|---|
US (1) | US5841824A (ja) |
JP (1) | JP4104025B2 (ja) |
CN (1) | CN1161793C (ja) |
CZ (1) | CZ298181B6 (ja) |
DE (1) | DE19882389T1 (ja) |
ES (1) | ES2155419B1 (ja) |
GB (1) | GB2340247B (ja) |
PL (1) | PL189516B1 (ja) |
WO (1) | WO1998052196A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006208037A (ja) * | 2005-01-25 | 2006-08-10 | Mitsubishi Electric Corp | 制御棒位置検出装置 |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2807866B1 (fr) | 2000-04-14 | 2002-07-19 | Framatome Sa | Dispositif de mesure du temps de chute de barres de commande a l'interieur du coeur d'un reacteur nucleaire |
US8903033B2 (en) | 2008-01-09 | 2014-12-02 | Analysis and Measurement Service Corporation | High resolution digital rod position indication system for nuclear power plants |
CN101794628B (zh) * | 2010-03-12 | 2012-07-25 | 清华大学 | 基于误差带校正方法的棒位测量系统 |
CN101794627B (zh) * | 2010-03-12 | 2012-07-25 | 清华大学 | 一种基于差压变化的棒位测量装置 |
US9336910B2 (en) | 2010-10-07 | 2016-05-10 | Bwxt Nuclear Energy, Inc. | Control rod/control rod drive mechanism couplings |
US9378853B2 (en) | 2010-10-21 | 2016-06-28 | Bwxt Nuclear Energy, Inc. | Support structure for a control rod assembly of a nuclear reactor |
CN102280150B (zh) * | 2011-08-18 | 2014-04-02 | 国核自仪系统工程有限公司 | 核电站棒位检测系统及其自由落棒时间测试方法 |
US9911512B2 (en) | 2012-02-27 | 2018-03-06 | Bwxt Mpower, Inc. | CRDM internal electrical connector |
US9805832B2 (en) | 2012-02-27 | 2017-10-31 | Bwxt Mpower, Inc. | Control rod drive mechanism (CRDM) mounting system for pressurized water reactors |
WO2013158491A1 (en) | 2012-04-17 | 2013-10-24 | Babcock & Wilcox Mpower, Inc. | Suspended upper internals for compact nuclear reactor including a mid-hanger plate |
CA2870613C (en) | 2012-04-17 | 2021-03-09 | Babcock & Wilcox Mpower, Inc. | Small modular reactor fuel assembly |
US10102932B2 (en) | 2012-04-17 | 2018-10-16 | Bwxt Mpower, Inc. | Power distribution plate for powering internal control rod drive mechanism (CRDM) units |
US9887015B2 (en) | 2012-04-17 | 2018-02-06 | Bwxt Mpower, Inc. | Suspended upper internals with tie rod couplings for compact nuclear reactor |
WO2013158498A1 (en) | 2012-04-17 | 2013-10-24 | Babcock & Wilcox Mpower, Inc. | Suspended upper internals for compact nuclear reactor including a lower hanger plate |
US9865364B2 (en) | 2013-03-15 | 2018-01-09 | Bwxt Mpower, Inc. | CRDM with separate SCRAM latch engagement and locking |
US10229760B2 (en) | 2013-03-15 | 2019-03-12 | Bwxt Mpower, Inc. | CRDM with separate scram latch engagement and locking |
CN104330611A (zh) * | 2013-07-22 | 2015-02-04 | 中国核动力研究设计院 | 一种用于监测反应堆控制棒驱动机构线圈电流幅值的方法 |
CN104332194A (zh) * | 2013-07-22 | 2015-02-04 | 中国核动力研究设计院 | 一种新的控制棒棒位探测器线圈分组方法 |
CN103400613B (zh) * | 2013-07-30 | 2016-01-20 | 中广核工程有限公司 | 核电厂驱动线冷态试验的横向流试验装置和试验方法 |
US10020081B2 (en) * | 2016-01-15 | 2018-07-10 | Westinghouse Electric Company Llc | Nuclear control rod position indication system |
CN112185596B (zh) * | 2020-09-30 | 2022-02-11 | 中国核动力研究设计院 | 基于核电站测量线圈的落棒时间测量方法、介质和系统 |
CN112599265B (zh) * | 2020-12-05 | 2023-02-10 | 核电运行研究(上海)有限公司 | 一种与棒位测量设备集成的控制棒落棒时间测量方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3158766A (en) * | 1962-04-30 | 1964-11-24 | Westinghouse Electric Corp | Gripper type linear motion device |
US3893090A (en) * | 1973-01-03 | 1975-07-01 | Westinghouse Electric Corp | Position indication system |
US3846771A (en) * | 1973-01-03 | 1974-11-05 | Westinghouse Electric Corp | Position indication system |
US3858191A (en) * | 1973-01-03 | 1974-12-31 | Westinghouse Electric Corp | Digital multiplexed position indication and transmission system |
US3992255A (en) * | 1974-01-18 | 1976-11-16 | Westinghouse Electric Corporation | Control rod drive mechanism for a nuclear reactor |
JPS6122295A (ja) * | 1984-07-10 | 1986-01-30 | 三菱電機株式会社 | 移動物体落下検出装置 |
JPS631980A (ja) * | 1986-06-20 | 1988-01-06 | Tokyo Electric Power Co Inc:The | 配電系統の故障点標定装置 |
US5006301A (en) * | 1989-03-22 | 1991-04-09 | Joyner Engineers And Trainers, Inc. | Method and apparatus for control rod drop monitoring |
DE69216381T2 (de) * | 1991-09-03 | 1997-04-24 | Aichi Tokei Denki Kk | Magnetisch induktiver freispiegeldurchflussmesser |
US5408508B1 (en) * | 1993-12-22 | 1997-03-25 | Westinghouse Electric Corp | System and method for simultaneously testing a plurality of control rods |
-
1997
- 1997-05-13 US US08/855,274 patent/US5841824A/en not_active Expired - Lifetime
-
1998
- 1998-05-08 DE DE19882389T patent/DE19882389T1/de not_active Withdrawn
- 1998-05-08 GB GB9922359A patent/GB2340247B/en not_active Expired - Lifetime
- 1998-05-08 PL PL98336721A patent/PL189516B1/pl unknown
- 1998-05-08 CN CNB988050056A patent/CN1161793C/zh not_active Expired - Lifetime
- 1998-05-08 WO PCT/US1998/009654 patent/WO1998052196A1/en active IP Right Grant
- 1998-05-08 ES ES009950056A patent/ES2155419B1/es not_active Expired - Fee Related
- 1998-05-08 JP JP54942898A patent/JP4104025B2/ja not_active Expired - Lifetime
- 1998-05-08 CZ CZ0402899A patent/CZ298181B6/cs not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006208037A (ja) * | 2005-01-25 | 2006-08-10 | Mitsubishi Electric Corp | 制御棒位置検出装置 |
JP4642491B2 (ja) * | 2005-01-25 | 2011-03-02 | 三菱電機株式会社 | 制御棒位置検出装置 |
Also Published As
Publication number | Publication date |
---|---|
DE19882389T1 (de) | 2000-06-15 |
PL189516B1 (pl) | 2005-08-31 |
CZ9904028A3 (cs) | 2000-10-11 |
GB2340247A (en) | 2000-02-16 |
US5841824A (en) | 1998-11-24 |
GB9922359D0 (en) | 1999-11-24 |
ES2155419B1 (es) | 2001-11-16 |
CN1255228A (zh) | 2000-05-31 |
GB2340247B (en) | 2001-05-02 |
PL336721A1 (en) | 2000-07-03 |
CN1161793C (zh) | 2004-08-11 |
JP4104025B2 (ja) | 2008-06-18 |
CZ298181B6 (cs) | 2007-07-18 |
WO1998052196A1 (en) | 1998-11-19 |
ES2155419A1 (es) | 2001-05-01 |
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