초록

1. 위기대처 능력강화 계측제어기술 개발
• 극한환경제어기기 시작품 제작, 시제품 기능 및 성능시험, 환경/전자파/내지진/내방사성시험
• 원전비상통신시스템 성능 분석, 지상망 및 위성망 통신 시스템 설계, 성능 검증
• 모바일 원격제어실 다수 호기 정보 감시/제어화면 제작, 성능평가
2. 원전 사고회복 자동화시스템
• 사고회복 자동화 핵심논리 제작, 동적신호를 통한 성능평가
• 사고 상태 감시/진단/예측 핵심논리 제작, 동작성 시험

(출처 : 보고서 요약서 4p)

Abstract ▼

Ⅳ. Study Results
1. Establishment of core technologies for developing the I&C system capability handling extended damage conditions

A. Development of hardened I&C system
As to developing hardened I&C equipments that acquires important parameters for monitoring accident status and contro

Ⅳ. Study Results
1. Establishment of core technologies for developing the I&C system capability handling extended damage conditions

A. Development of hardened I&C system
As to developing hardened I&C equipments that acquires important parameters for monitoring accident status and controls emergency equipments for core cooling, we have been carrying out the following studies.

• Development of the design basis for NPP-Blackbox
- Environment basis (temperature/humidity, radiation, EMI/EMC, seismic, EMP, water proof, explosion proof)
- Severe accident related parameters for NPP-Blackbox
- Independency and Safety classification

• Development of the requirements and specification for NPP-Blackbox
- Response time and Communication capabilities
- Main processor and I/O modules
- Operational environment and equipment qualification test

• Pre-prototype fabrication and environment test for NPP-Blackbox
- Sub-rack and circuit board fabrication
- Sub-rack and circuit board performance test
- Sub-rack and circuit board environment test relating temperature and humidity

• Irradiation test onelectronic components of NPP-Blackbox
- Irradiation test for Industrial and Military specification components
- Irradiation test for shielding materials
- Irradiation test for redundant circuits

• Complementary redesign for pre-prototype of NPP-Blackbox
- Based on the environment and irradiation test results, the circuits of the back plane, input/output board, communication board, main processor board and the sub-rack were redesigned.

• Prototype fabrication and tests of NPP-Blackbox
- Prototype fabrication
- Performance test
- Environment test relating temperature and humidity
- Seismic resistant test
- EMC(Electromagnetic Compatibility) test
- Irradiation test

B. Development of the high reliable wireless communication system
In order to develop the high reliable Emergency Communication System connecting the Hardened I&C System to the Mobile Control Station, the following studies have been peformed.

• Development of the Emergency Communication System requirement
- Function requirement
- Performance requirement
- Environment requirement

• Preliminary performance analysis on the Emergency Communication System
- Throughput analysis using network model
- Delay time analysis using network model

• Basic design of the Emergency Communication System
- Terrestrial communication system
- Satellite communication system
- Performance evaluation

• Development of the specific structure for the Real-time Controlled High Reliable Data Transfer System
- Optimized communication link
- AES-128 algorithm based the communication network system design
- Verification on interlock ability of the ARIA encoder/decoder
- Design for the dual-diversity data communication between the hardened I&C systems

• Prototype fabrication and test
- Functionalization of the interconnected interface for the hardened I&C system and IP camera
- Overall test of the hardened I&C system and the satellite communication system's control channels

C. Mobile Remote Control Room(MRCR)
In order to develop the Mobile Remote Control Room(MRCR) which require functions such as monitoring plant conditions and recover control on the accident from the outside of the plant in the confined space instead of the conventional main control room, following activities and studies have been performed.

• Development of MRCR requirements
- Functional requirements
- Performance requirements

• Development of basic structure of hardware for monitoring and control
- Design of MTS (Multi Touch Screen) and OTP (Operator Touch Panel) to monitor and control multiple units simultaneously
- Design of DPM(Data Processing Module) for signal processing

• Development of HMI structure
- Development of information display strategies and methods for fixed displaying variables from maximum 8 units
- Implementation of a mimic for process variables
- Development of a node concept for control actions from multiple operating staffs
- Review of the application possibility of new technology utilizing 3D interface based on the multi-touch

• Development and test of MRCR hardware pre-prototype
- Development of MTS and OTP
- Performance verification by dynamic signal interface tests with dynamic test bed

• Development and test of MRCR hardware prototype
- Development of MTS and OTP
- Performance verification by dynamic signal interface tests with dynamic test bed
- Signal Connection test with COMS satellite

2. Development of Accident Recovery System

A. Automation of Accident Recovery
The following studies were performed to develop the Accident Recovery Automation System which immediately and properly responses to the severe accidents.

• Development of automation level and methodology of accident recovery
- Evaluation on workload and time required for response with SAMG and EDMG to obtain efficiency
- Behavioral analysis on SA propagation and estimation of core damage and reactor vessel failure phenomena due to accident propagation
- Analysis on resources for SA recovery through SAMG and EDMG
- Establishment of automation level of accident recovery during severe accidents through analysis on operational and signal characteristics of the resources for SA recovery
- Establishment of automation methodology of accident recovery including automatical accident symptom determination, automatical available path determination and automatical optimal path selection

• Development of core logics for automation of accident recovery
- Detailed analysis on SA response for each guideline steps and setup of automation logic range
- Development of available path evaluation logic for core cooling
- Development of flow injection calculation method for each physical model based available path
- Development of flow necessary calculation method for core recovery
- Development of decision logic on negative effects
- Development of optimal path selection logics including mentioned above

• Pre-prototype development
- Development of Automated Accident Recovery System pre-prototype
- Implementation of core logics of available paths for core cooling and melted core cooling
- Implementation of predicted flow injection calculation module for each physical model based available path
- Implementation of necessary flow calculation module for core recovery
- Implementation of decision logic on negative effects
- Implementation of optimal path selection logics
- Implementation of related MMI
- Implementation of available path and optimal path selection logic

• Pre-prototype test and suitability evaluation
- Implementation of SA scenario signal generation module
- Development of SA scenario for performance test
- Verification on the optimal path offering function for core cooling from reactor shutdown to reactor vessel damage
- Evaluation of correspondence with management guideline
- Evaluation of connection tests with conventional equipments including conventional I&C systems
- Evaluation of early stage response capability
- Evaluation of the utilization of the accident status monitoring, diagnostics and prediction system in regard to regulation strengthening

B. Accident status monitoring, diagnostics and prediction
The following studies were performed to develop the accident status monitoring, diagnostics and prediction system to immediately and precisely recognize the status.

• Development of accident status monitoring, diagnostics and prediction methodology
- Analysis on SA parameters and setup database structure
- Establishment of accident monitoring and diagnostics scope through classification of SA parameters
- Development of monitoring methodology for determination of SA symptoms, mitigation means and paths, and validity of mitigation results
- Development of diagnostic methodology for instrument credibility during severe accidents
- Development of prediction methodology for prediction of major event time, break location and recovery time of safety systems.

• Development of core logics for accident status monitoring, diagnostics and prediction
- Development of core logics for accident status monitoring for SA symptom identification, mitigation means/paths identification and validity check of mitigation results
- Development of core logics for accident status diagnostics including environmental factor evaluation, historical factor evaluation, and redundancy/diversity evaluation.
- Development of core logics for accident status prediction including prediction of major event time, break location and recovery time of safety systems.

• Pre-prototype development and test
- Development of automated accident recovery system pre-prototype
- Implementation of severe accident symptom identification logics
- Implementation of instrument credibility diagnostics logics
- Evaluation of core logics through dynamic test bed

• Prototype development and test
- Development of SA scenario for performance test and the scenario signal generation module
- Performance tests of severe accident symptom identification logics and instrument credibility diagnostics logics
- Evaluation of connection tests with conventional equipments including conventional I&C systems
- Evaluation of the utilization of the accident status monitoring, diagnostics and prediction system in regard to regulation strengthening

(출처 : SUMMARY 15p)

목차 Contents

• 표지 ... 1
• 제출문 ... 2
• 보고서 요약서 ... 4
• 요약문 ... 6
• SUMMARY ... 14
• CONTENTS ... 24
• 목차 ... 26
• 표목차 ... 28
• 그림목차 ... 32
• 제1장 연구개발과제의 개요 ... 42
• 제1절 배경 ... 42
• 제2절 연구개발의 목적 및 필요성 ... 43
• 제3절 연구개발 범위 ... 45
• 제2장 국내외 기술개발 현황 ... 48
• 제3장 연구개발 수행내용 및 결과 ... 56
• 제1절 위기대처 능력강화 계측제어 원천기술개발 ... 56
• 1. 극한환경제어기기 개발 ... 57
• 2. 실시간 제어 데이터 전송 고신뢰화 기술 개발 ... 131
• 3. 모바일 원격제어실 개발 ... 274
• 제2절 원전 사고회복 자동화 기술개발 ... 317
• 1. 원전 사고회복 자동화 방법론 확립 ... 317
• 2. 원전 사고회복 자동화 논리 개발 ... 346
• 3. 원전 사고회복 자동화 시스템 시작품 시험 및 원전 적합성 평가 ... 363
• 4. 원전 사고회복 자동화시스템 시작품 시험 및 원전 적용성 평가 ... 387
• 5. 결과 고찰 및 보완방향 ... 421
• 제3절 다이나믹 테스트베드 개발 ... 422
• 1. 다이나믹 테스트베드 하드웨어 ... 422
• 2. 다이나믹 테스트베드 소프트웨어 ... 425
• 제4장 목표달성도 및 관련분야에의 기여도 ... 447
• 제1절 연구개발 목표 달성도 ... 447
• 제2절 관련분야 기여도 ... 454
• 1. 기술개발 내용의 공개 및 공유 ... 454
• 2. 기술적 기여도 ... 454
• 제5장 연구개발결과의 활용계획 ... 457
• 제6장 참고문헌 ... 459
• 끝페이지 ... 462