ap1000 plant general overview and equipment qualification · 2017. 6. 23. · suresh channarasappa...
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![Page 1: AP1000 Plant General Overview and Equipment Qualification · 2017. 6. 23. · Suresh Channarasappa IEEE SC2 Meeting . April 2007. Myrtle Beach, SC. 2 AP1000 Plant Overview and Equipment](https://reader033.vdocuments.mx/reader033/viewer/2022052020/6034b105ede7c66b3a77a395/html5/thumbnails/1.jpg)
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AP1000 Plant General Overview
and Equipment Qualification
Suresh ChannarasappaIEEE SC2 Meeting April 2007Myrtle Beach, SC
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AP1000 Plant Overview and Equipment Qualification●
Industry Activity
●
AP1000 Design Features●
I&C Systems and Control Room
●
Equipment Qualification
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AP1000 -
Industry Activity●
Activity by US Utilities to Apply For Combined Operating License Identifying the AP1000 as the Plant Technology for 12 Units
●
Chosen by China as the Plant Technology for Four Units
●
First Plant in Operation by Authorization to Proceed + 72 months (Dec 2013)
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AP1000 Design Features●
Integrated Power Plant Design (NSSS and BOP)
●
Simplified Passive Safety Systems–
No Requirement for Safety AC Power
●
Microprocessor, Digital Technology Based I&C–
Compact Control Room, Electronic Operator Interface
●
Extensive use Modular Construction–
Optimized Plant Arrangements
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AP1000 Plant Design Features- Building Layout
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AP1000 Design Features – Passive Safety Features
●Passive Decay Heat Removal●Passive Safety Injection●Passive Containment Cooling●Passive Heating Ventilation Air Conditioning
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AP 1000 Design Features Passive Core Cooling System
●
Actuated By Fail Safe Valves
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Water Drains By Gravity onto outside of steel containment vessel
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Water Evaporates into Natural Circulation of Air Flow
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AP1000 Design Features Passive Design System –
Design Simplification
●
AP1000 uses:
~50% Fewer Valves~83% Less Safety Grade Pipe~87% Less Cable~35% Fewer Pumps~50% Less Seismic Building Volumes
Than An equivalent Conventional Reactor
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AP 1000 –
I&C System Architecture
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AP1000 -
Major I&C Systems●
Protection and Safety Monitoring System (PMS) —
Microprocessor / software based (Westinghouse Common Q)●
Diverse Actuation System (DAS) —
Backs up PMS, Different architecture, hardware & software from PMS
●
Plant Control System (PLS)—
Microprocessor based system●
Operation and Control Centers System (OCS)—
Includes main control room, remote shutdown room, etc.
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AP1000 -
Major I&C Systems (Cont’d)●
Data Display and Processing System (DDS) –
Non-Class 1E Displays, Alarms, Communication Network, etc.●
Main Turbine Control & Diagnostic System (TOS) —
Turbine control and protection●
In-core Instrumentation System (IIS)—
In-core flux detectors and thermocouples●
Special Monitoring Systems (SMS)—
Digital metal impact monitor (Westinghouse DMIMS)—
Seismic Monitoring System
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AP1000 -
Advanced Control Room●
Compact Control Room–
Designed for 1 Reactor Operator and 1 SupervisorDisplays
–
Plant status / overview via wall panel (non-1E DDS)–
Detail display via workstation video displays (non-1E DDS)–
Small number of dedicated displays; safety (1E PMS)
& diverse (non-1E DAS)
Controls–
Soft controls (non-1E DDS) –
Small number of dedicated switches; safety (1E PMS)
& diverse (non-1E DAS)
Advanced Alarm ManagementComputer Based Procedures
–
Paper backup
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AP1000 -
Equipment Qualification Overview
●
Standard Design–
Generic Qualification Requirements
●
Seismic Qualification (IEEE 344-1987)●
Environmental Qualification (IEEE 323-1974)
●
Electromagnetic Compatibility Qualification (Regulatory Guide 1.180 Revision 1)
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AP1000 -
Equipment Qualification -
Seismic
●
Standard Design
●
Seismic Qualification–
Generic Spectra (all sites)
–
Current Qualification Guidelines Based on IEEE 344-87
–
Seismic Qualification Requirements are Identified in Equipment Specifications
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AP1000 – Equipment Qualification -
Environmental
●
Standard Design
●
Environmental Qualification–
Mild Environment
–
Mild Environment (Radiation Harsh)–
Harsh Environment
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AP1000 – Equipment Qualification -
Environmental
●
Standard Design●
Environmental Qualification–
Mild Environment (Normal Abnormal Environmental Conditions)–
Maximum Temperature and Humidity Limits are the same as Westinghouse PWR Plant Conditions
–
Time Duration is Specific to AP1000 Plant
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AP1000 – Equipment Qualification -
Environmental
●
Standard Design●
Environmental Qualification–
Mild Environment (Radiation Harsh)–
Normal and Abnormal Temperature Conditions are same as mild environment
–
Radiation Aging Need to be Considered for Equipment Located in Radiation Harsh Areas
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AP1000 Equipment Qualification -
Environmental
●
Standard Design●
Environmental Qualification–
Harsh Environment Conditions–
Temperature
–
Radiation –
Modified Conditions are more favorable
●
Environmental Conditions are Specified in the Equipment Specifications
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AP1000 Equipment Qualification -
Environmental
●
Standard Design –
Environmental Type Tests Type Test Mild Radiation-Harsh Harsh
Thermal Aging X
Thermal Cycling X
Radiation Aging X X
Wear Aging X X X
Normal/Abnormal Extremes X X
Vibration Aging X X X
DBA X
Post-DBA X
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AP1000 -
Equipment Qualification -
EMC
●
Standard Design
●
Electromagnetic Compatibility–
Emissions Type Tests
Conducted Emissions
Radiated Emissions
–
Immunity Type Tests
Radio Frequency Interference (RFI)
Electro Static Discharge (ESD)
Electrical Fast Transient/Burst (EFT/B)
Surge (Power Supply and I/O)
Power Supply Immunity
Conducted Immunity, etc
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AP1000 -
Equipment Qualification -
EMC
●
Standard Design
●
Type Test Requirements–
US NRC Regulatory Guide 1.180 Revision 1
–
EMC CE Mark Requirements (as applicable) European Union (EU) Directive on EMC –
89/336/EEC, as amended by 92/31/EEC and 93/68/EEC (New Directive 2004/108/EC)
●
EMC Conditions are Specified in the Equipment Specifications
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AP1000 Plant Overview Summary
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Industry Activity
●
AP1000 Design Features
●
I&C Systems and Main Control Room
●
Equipment Qualification
●
?????
Seismic
EMC Environmental
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