SISIFO-GAS A COMPUTERIZED SYSTEM TO SUPPORT SEVERE ACCIDENTS TRAINING AND MANAGEMENT

SISIFO-GAS

A COMPUTERIZED SYSTEM TO SUPPORT SEVERE ACCIDENTS TRAINING AND

MANAGEMENT

WGRisk Workshop

March 29-31, 2004

Köln, Germany

César Serrano

WGRisk Workshop, Mar-2004 SISIFO-GAS2

TABLE OF CONTENTS

• INTRODUCTION

• BACKGROUND

• TECHNICAL DESCRIPTION

• CHARACTERISTICS

• DEMO

• INTRODUCTION

• BACKGROUND

• TECHNICAL DESCRIPTION

• CHARACTERISTICS

• DEMO


INTRODUCTION

I - 1/3

SEVERE ACCIDENT

TRAINING

SEVERE ACCIDENT

TRAINING

SEVERE ACCIDENT

MANAGEMENT

SEVERE ACCIDENT

MANAGEMENT

Property of:

SISIFO-GASSISIFO-GAS

DATABASE

ON-LINE

PLANT DATA

GRAPHIC

INTERFACE

DECISION

MODULESMAAP4


TECNATOM

ENGINEERING SERVICES COMPANY COVERING THE FOLLOWING AREAS:

• TRAINING AND SIMULATION: PWR AND BWR FULL-SCOPE, MULTI-FUNCTIONAL SIMULATORS,…..

• PLANT OPERATION SUPPORT: EOP AND SAMG’S DEVELOPMENT AND TRAINING, MAN-MACHINE INTERFACE,…..

• INSPECTION (STRUCTURAL INTEGRITY), TESTING (NON-DESTRUCTIVE) AND MATERIALS.

• DESIGN AND MANUFACTURING, EXPERIMENTAL FACILITIES

TECNATOM

ENGINEERING SERVICES COMPANY COVERING THE FOLLOWING AREAS:

• TRAINING AND SIMULATION: PWR AND BWR FULL-SCOPE, MULTI-FUNCTIONAL SIMULATORS,…..

• PLANT OPERATION SUPPORT: EOP AND SAMG’S DEVELOPMENT AND TRAINING, MAN-MACHINE INTERFACE,…..

• INSPECTION (STRUCTURAL INTEGRITY), TESTING (NON-DESTRUCTIVE) AND MATERIALS.

• DESIGN AND MANUFACTURING, EXPERIMENTAL FACILITIES

TECNATOM CAPACITIES

I - 2/3


IBERDROLA Ingeniería y Consultoría (IBERINCO)

ENGINEERING AND CONSULTING SERVICES COMPANY COVERING THE FOLLOWING AREAS:

• CONSULTING AND STUDIES: SITE/IMPLEMENTATION, SAFETY SYSTEMS ASSESSMENT,….

• PROJECT ENGINEERING: DESIGN MODIFICATIONS, FINAL SAFETY STUDY UPDATING, RADIOLOGICAL PROTECTION,…..

• OPERATION ENGINEERING: LICENSE AND SAFETY ANALYSIS, PSA, SUPPORT TO NUCLEAR FUEL MANAGEMENT, WASTE MANAGEMENT.

• MAINTENANCE ENGINEERING

IBERDROLA Ingeniería y Consultoría (IBERINCO)

ENGINEERING AND CONSULTING SERVICES COMPANY COVERING THE FOLLOWING AREAS:

• CONSULTING AND STUDIES: SITE/IMPLEMENTATION, SAFETY SYSTEMS ASSESSMENT,….

• PROJECT ENGINEERING: DESIGN MODIFICATIONS, FINAL SAFETY STUDY UPDATING, RADIOLOGICAL PROTECTION,…..

• OPERATION ENGINEERING: LICENSE AND SAFETY ANALYSIS, PSA, SUPPORT TO NUCLEAR FUEL MANAGEMENT, WASTE MANAGEMENT.

• MAINTENANCE ENGINEERING

IBERINCO CAPACITIES

I - 3/3


BACKGROUND

• BEGINNING (1997-1998): HALDEN PROJECT

• APPLICATION (1999-2002): COFRENTES NPP

• BEGINNING (1997-1998): HALDEN PROJECT

• APPLICATION (1999-2002): COFRENTES NPP

B - 1/5


BACKGROUND

B - 2/5

OECD HALDEN REACTOR PROJECT

• TITLE: “DEVELOPMENT OF AN EXTENSION OF THE CAMS SYSTEM TO

SEVERE ACCIDENTS MANAGEMENT”

• ORIGINAL DEVELOPMENT : COMPUTERISED ACCIDENTS MANAGEMENT

SUPPORT (CAMS)

• NEW CONTRIBUTION, EXTENSION TO SEVERE ACCIDENTS FOR GENERIC

BWR AND PWR:

– DIAGNOSIS AND FITTING MODULES DEVELOPMENT

– INTERFACE WITH THE TRACKING/PREDICTIVE SIMULATOR

(MAAP4)

OECD HALDEN REACTOR PROJECT

• TITLE: “DEVELOPMENT OF AN EXTENSION OF THE CAMS SYSTEM TO

SEVERE ACCIDENTS MANAGEMENT”

• ORIGINAL DEVELOPMENT : COMPUTERISED ACCIDENTS MANAGEMENT

SUPPORT (CAMS)

• NEW CONTRIBUTION, EXTENSION TO SEVERE ACCIDENTS FOR GENERIC

BWR AND PWR:

– DIAGNOSIS AND FITTING MODULES DEVELOPMENT

– INTERFACE WITH THE TRACKING/PREDICTIVE SIMULATOR

(MAAP4)


Plant Data

DataAcquisition

SignalValidation

Man-MachineInterface

PSAModule

StrategyGenerator

Critical FunctionMonitor

CAMS - ORIGINAL DEVELOPMENT

APROSTracking/Predictive Simulator

Non-Severe Accident

StateIdentification

B - 3/5


CAMS - NEW DEVELOPMENT

Plant Data

DataAcquisition

SignalValidation

DiagnosisModule

MAAP 4Tracking/Predictive Simulator

Severe Accident

FittingModule

Man-MachineInterface

PSAModule

StrategyGenerator

Critical FunctionMonitor

B - 4/5


BACKGROUND

B - 5/5

COFRENTES NPP APPLICATION

(1096MWe, BWR/6 GE DESIGN, MARK-III CONTAINMENT)

• TAKING AS STARTING POINT THE HALDEN GENERIC MODULES, THE DEVELOPMENT OF THE SPECIFIC DIAGNOSIS / FITTING MODULES FOR THE PLANT WAS CARRIED OUT.

• THE MAAP4 CODE WAS SELECTED AS TRACKING/PREDICTIVE SIMULATOR DUE TO THE LARGE EXPERIENCE OF USE INTO THE PSA/IPE.

• NEW CAPACITIES:

– INTERACTIVE GRAPHIC CAPACITY

– DATABASE WITH MAAP SEQUENCES (PROGNOSIS)

– MAN-MACHINE INTERFACE: SCADA-FACTORY LINK

COFRENTES NPP APPLICATION

(1096MWe, BWR/6 GE DESIGN, MARK-III CONTAINMENT)

• TAKING AS STARTING POINT THE HALDEN GENERIC MODULES, THE DEVELOPMENT OF THE SPECIFIC DIAGNOSIS / FITTING MODULES FOR THE PLANT WAS CARRIED OUT.

• THE MAAP4 CODE WAS SELECTED AS TRACKING/PREDICTIVE SIMULATOR DUE TO THE LARGE EXPERIENCE OF USE INTO THE PSA/IPE.

• NEW CAPACITIES:

– INTERACTIVE GRAPHIC CAPACITY

– DATABASE WITH MAAP SEQUENCES (PROGNOSIS)

– MAN-MACHINE INTERFACE: SCADA-FACTORY LINK


TECHNICAL DESCRIPTION

FUNCTIONAL DIAGRAM

T - 1/7

SCADASCADA

DIAG. MDIAG. M FITT. MFITT. M

MAAP 4MAAP 4

DATAMAAPDATAMAAPGRAPHIC INTERF.GRAPHIC INTERF.

SIEC

COFRENTES NPP

WINDOWS 95 WINDOWS NT

SOFTWARE REQUIREMENTSSOFTWARE REQUIREMENTS


T - 2/7

DIAGNOSIS MODULE

• THE PURPOSE OF THE DIAGNOSIS MODULE IS TO DETERMINE THE PLANT STATE TO BE USED INTO THE FITTING MODULE AND IN THE PREPARATION OF THE ENTRY DATA TO THE SIMULATOR CODE

• DATA PLANT IDENTIFICATION

– LIST OF RELEVANT SIGNALS, PARAMETERS AND SYSTEMS THAT COULD INFLUENCE THE ACCIDENT EVOLUTION

• DETERMINE THE PLANT STATE (INITIATOR EVENT, SYSTEMS AND BARRIERS OF RETENTION) THROUGH LOGIC RULES:

– MANAGEMENT OF THE INSTRUMENTATION DATA AND THEIR VARIATION

– LOGIC RULES DEFINED AS LOGIC TREES

– PARAMETER PROCESSING STRUCTURE USING FUZZY LOGIC

DIAGNOSIS MODULE

• THE PURPOSE OF THE DIAGNOSIS MODULE IS TO DETERMINE THE PLANT STATE TO BE USED INTO THE FITTING MODULE AND IN THE PREPARATION OF THE ENTRY DATA TO THE SIMULATOR CODE

• DATA PLANT IDENTIFICATION

– LIST OF RELEVANT SIGNALS, PARAMETERS AND SYSTEMS THAT COULD INFLUENCE THE ACCIDENT EVOLUTION

• DETERMINE THE PLANT STATE (INITIATOR EVENT, SYSTEMS AND BARRIERS OF RETENTION) THROUGH LOGIC RULES:

– MANAGEMENT OF THE INSTRUMENTATION DATA AND THEIR VARIATION





VESSEL FAILURE

EARLY BYPASS

NO BYPASS

LATE BYPASS

1 HOUR AFTER VESSEL FAILURE

DRYWELL BYPASS

DRYWELL BYPASS

NO YES

NO

YES

NO

YES

NO

YES

TDW - TVESSEL >1 HOUR

NO

YES

LOGIC RULES - DRYWEL BYPASS

T - 3/7


T - 4/7

FITTING MODULE

• THE PURPOSE OF THE FITTING MODULE IS TO CONTROL THE MAAP4 CODE EXECUTION COMPARING THEIR RESULTS WITH THE DATA PLANT (SIEC) PROCESSED THROUGH THE DIAGNOSIS MODULE

• EVALUATION OF THE DIFFERENCES:

– SYSTEMS STATUS

– PARAMETERS OF THE SOURCE TERM CATEGORY LOGIC TREE (PSA-LEVEL 2, STC)

• DETERMINE THE STC THROUGH LOGIC RULES:



• ADJUST THE INPUT MAAP4 CODE TO REPRODUCE THE SEQUENCE

FITTING MODULE

• THE PURPOSE OF THE FITTING MODULE IS TO CONTROL THE MAAP4 CODE EXECUTION COMPARING THEIR RESULTS WITH THE DATA PLANT (SIEC) PROCESSED THROUGH THE DIAGNOSIS MODULE

• EVALUATION OF THE DIFFERENCES:

– SYSTEMS STATUS

– PARAMETERS OF THE SOURCE TERM CATEGORY LOGIC TREE (PSA-LEVEL 2, STC)

• DETERMINE THE STC THROUGH LOGIC RULES:



• ADJUST THE INPUT MAAP4 CODE TO REPRODUCE THE SEQUENCE



EVENT-V

STC 61

YES

RPV VENTED

NO

STC 2

YES

RPV FAILURE

CONTAINMENT FAILURE TIME

CONTAINMENT FAILURE TIME

NO

YES NO

STC 59 STC 60 C

NO CF

LATE CF EARLY CF

BSTC 53

LATE CF EARLY CF

NO CF

A

LOGIC RULES - STC

T - 5/7


T - 6/7

SCADA (FACTORY LINK)

(SCADA - DATABASE - GRAPHIC INTERFACE)

• SCADA PROCESS IN REAL TIME DATA OF ALL MODULAR STRUCTURES REQUIRED (SIEC, MODULES, MAAP4 AND THE GRAPHIC INTERFACE)

• DATABASE OF ACCIDENT SEQUENCES ANALYSED WITH MAAP:

– GENERAL DESCRIPTION

– TIMING OF EVENTS

– SYSTEMS/BARRIERS STATUS

– SOURCE TERM RELEASED

– OUTPUT VARIABLE PLOTS

• GRAPHIC INTERFACE SHOWING THE ACCIDENTS EVOLUTION AND WITH INTERACTIVE CAPACITIES TO BE USED WITH THE TRAINING MODE

SCADA (FACTORY LINK)

(SCADA - DATABASE - GRAPHIC INTERFACE)

• SCADA PROCESS IN REAL TIME DATA OF ALL MODULAR STRUCTURES REQUIRED (SIEC, MODULES, MAAP4 AND THE GRAPHIC INTERFACE)

• DATABASE OF ACCIDENT SEQUENCES ANALYSED WITH MAAP:

– GENERAL DESCRIPTION

– TIMING OF EVENTS

– SYSTEMS/BARRIERS STATUS

– SOURCE TERM RELEASED

– OUTPUT VARIABLE PLOTS

• GRAPHIC INTERFACE SHOWING THE ACCIDENTS EVOLUTION AND WITH INTERACTIVE CAPACITIES TO BE USED WITH THE TRAINING MODE



T - 7/7

SOFTWARE REQUIREMENTS

• ACCIDENT ANALYSIS CODE: MAAP 4.0.3 CODE (MINOR MODIFICATIONS)

• SUPERVISORY CONTROL AND DATA ACQUISITION (SCADA): FACTORY LINK (RUN TIME LICENSE)

• EQUIPMENT CONNECTIVITY: PC ANYWHERE

• DATABASE IN ACCESS: DATAMAAP

• DIAGNOSIS & FITTING MODULES: – LOGIC RULES WITH C CODE– PARAMETER PROCESSING STRUCTURE WITH A FUZZY LOGIC BASED

PROGRAMME

• OTHER INTERFACE PROGRAMMES

SOFTWARE REQUIREMENTS

• ACCIDENT ANALYSIS CODE: MAAP 4.0.3 CODE (MINOR MODIFICATIONS)

• SUPERVISORY CONTROL AND DATA ACQUISITION (SCADA): FACTORY LINK (RUN TIME LICENSE)

• EQUIPMENT CONNECTIVITY: PC ANYWHERE

• DATABASE IN ACCESS: DATAMAAP

• DIAGNOSIS & FITTING MODULES: – LOGIC RULES WITH C CODE– PARAMETER PROCESSING STRUCTURE WITH A FUZZY LOGIC BASED

PROGRAMME

• OTHER INTERFACE PROGRAMMES



CHARACTERISTICS

OPERATIONAL MODES

• ON-LINE PROCESSES

– TREATMENT OF THE PLANT DATA TO IDENTIFY POTENTIAL ACCIDENTAL

SEQUENCES (INITIAL EVENTS INTO THE DIAGNOSIS MODULE) AND CONTROL

THEIR EVOLUTION:

• MODULES CONTROL

• ACCIDENT MANAGEMENT MODE

• OFF-LINE PROCESSES

– USER-FRIENDLY CAPACITIES DEVELOPED AROUND THE MAAP CODE TO

IMPROVE THE KNOWLEDGE ABOUT THE SEQUENCES EVOLUTION:

• ACCIDENT TRAINING MODE

OPERATIONAL MODES

• ON-LINE PROCESSES

– TREATMENT OF THE PLANT DATA TO IDENTIFY POTENTIAL ACCIDENTAL

SEQUENCES (INITIAL EVENTS INTO THE DIAGNOSIS MODULE) AND CONTROL

THEIR EVOLUTION:

• MODULES CONTROL

• ACCIDENT MANAGEMENT MODE

• OFF-LINE PROCESSES

– USER-FRIENDLY CAPACITIES DEVELOPED AROUND THE MAAP CODE TO

IMPROVE THE KNOWLEDGE ABOUT THE SEQUENCES EVOLUTION:

• ACCIDENT TRAINING MODE

C - 1/11


MAIN SCREEN

C - 2/11


MODULES CONTROL

• THE ON-LINE RECEPTION OF THE MOST SIGNIFICANT PLANT DATA IS

DISPLAYED AS PUNCTUAL VALUES (9 SCREENS) AND/OR PLOTS

• THE DATA ARE PROCESSED THROUGH THE DIAGNOSIS MODULE TO IDENTIFY

AN INITIATOR EVENT AND WHEN IT OCCURS THE DISPLAY PERMITS TO

VISUALIZE ALL THE PROCESSES ACTIVATED DURING THE MANAGEMENT

MODE:

– DIAGNOSIS AND PROGNOSIS STATUS: INPUTS, OUTPUTS, FUZZY LOGIC PROCESS

– DATA COMMUNICATIONS BETWEEN PLANT AND SISIFO-GAS

– MAAP STATUS: FITTING MODULE, ERRORS

– TIME INTERVALS: PLANT DATA REFRESH, HISTORICAL DATA STORE, FROM THE

INITIAL EVENT.

MODULES CONTROL

• THE ON-LINE RECEPTION OF THE MOST SIGNIFICANT PLANT DATA IS

DISPLAYED AS PUNCTUAL VALUES (9 SCREENS) AND/OR PLOTS

• THE DATA ARE PROCESSED THROUGH THE DIAGNOSIS MODULE TO IDENTIFY

AN INITIATOR EVENT AND WHEN IT OCCURS THE DISPLAY PERMITS TO

VISUALIZE ALL THE PROCESSES ACTIVATED DURING THE MANAGEMENT

MODE:

– DIAGNOSIS AND PROGNOSIS STATUS: INPUTS, OUTPUTS, FUZZY LOGIC PROCESS

– DATA COMMUNICATIONS BETWEEN PLANT AND SISIFO-GAS

– MAAP STATUS: FITTING MODULE, ERRORS

– TIME INTERVALS: PLANT DATA REFRESH, HISTORICAL DATA STORE, FROM THE

INITIAL EVENT.

C - 3/11

CHARACTERISTICS


FITTING MODULE STATUS

C - 4/11


ACCIDENT MANAGEMENT MODE

• DIAGNOSIS

– PERMITS TO SEE THE LOGIC RULES DEVELOPED FOR THE DIAGNOSIS MODULE

USED FOR THE IDENTIFICATION OF THE ACCIDENTAL SEQUENCE AND ITS

EVOLUTION.

– PERMITS TO SEE THE LOGIC RULES TO ASSIGN AN ENVIRONMENTAL

SOURCE TERM RELEASE (LEVEL2-PSA TREE: STC)

• PROGNOSIS

– PERMITS TO SEE THE BEHAVIOUR AND THE FINAL STATUS OF OTHER

SEQUENCES WITH SIMILAR INITIAL CONDITIONS (DATAMAAP)

– SEQUENCE EVOLUTION (PROGNOSIS) WITH MAAP4.

ACCIDENT MANAGEMENT MODE

• DIAGNOSIS

– PERMITS TO SEE THE LOGIC RULES DEVELOPED FOR THE DIAGNOSIS MODULE

USED FOR THE IDENTIFICATION OF THE ACCIDENTAL SEQUENCE AND ITS

EVOLUTION.

– PERMITS TO SEE THE LOGIC RULES TO ASSIGN AN ENVIRONMENTAL

SOURCE TERM RELEASE (LEVEL2-PSA TREE: STC)

• PROGNOSIS

– PERMITS TO SEE THE BEHAVIOUR AND THE FINAL STATUS OF OTHER

SEQUENCES WITH SIMILAR INITIAL CONDITIONS (DATAMAAP)

– SEQUENCE EVOLUTION (PROGNOSIS) WITH MAAP4.

C - 5/11

CHARACTERISTICS


SOURCE TERM CATEGORIES

C - 6/11


ACCIDENT TRAINING MODE

• TO REPRODUCE AN OLD SEQUENCE

– PERMITS TO SAW AS A FILM, USING THE GRAPHICAL DISPLAYS, A SEQUENCE

STORED INTO THE DATABASE

• TO REPRODUCE A NEW SEQUENCE

– PERMITS EASILY TO GENERATE A NEW INPUT OF MAAP AND TO RUN IT

AUTOMATICALLY, WITH THE “GASE” SUBPROGRAM

– THE SEQUENCES CAN BE VIEWED AND INTERACTIVELY MODIFIED ON

DISPLAY AND FINALLY STOPPED AND STORED IN THE DATABASE

• DATAMAAP

– DATABASE ON ACCESS, STRUCTURED AND USER-FRIENDLY, WITH A

DETAILED INFORMATION ON THE SEQUENCES STORED AND PLOTS

ACCIDENT TRAINING MODE

• TO REPRODUCE AN OLD SEQUENCE

– PERMITS TO SAW AS A FILM, USING THE GRAPHICAL DISPLAYS, A SEQUENCE

STORED INTO THE DATABASE

• TO REPRODUCE A NEW SEQUENCE

– PERMITS EASILY TO GENERATE A NEW INPUT OF MAAP AND TO RUN IT

AUTOMATICALLY, WITH THE “GASE” SUBPROGRAM

– THE SEQUENCES CAN BE VIEWED AND INTERACTIVELY MODIFIED ON

DISPLAY AND FINALLY STOPPED AND STORED IN THE DATABASE

• DATAMAAP

– DATABASE ON ACCESS, STRUCTURED AND USER-FRIENDLY, WITH A

DETAILED INFORMATION ON THE SEQUENCES STORED AND PLOTS

C - 7/11

CHARACTERISTICS


CONTAINMENT DISPLAY

C - 8/11


SYSTEMS DISPLAY

C - 9/11


DATABASE - MAIN SCREEN

C - 10/11


DATABASE - PLOT

C - 11/11


CHARACTERISTICS OF SISIFO-GAS

STAGES

1. TO SEE THE ON-LINE CONNECTION WITH PLANT DATA (SIEC)

2. THE MANAGEMENT MODE: INITIATOR EVENT AND DIAGNOSIS

3. THE TRAINING MODE: OLD SEQUENCE

4. THE TRAINING MODE: NEW SEQUENCE

5. DATABASE

Time 5:59

CHARACTERISTICS OF SISIFO-GAS

STAGES

1. TO SEE THE ON-LINE CONNECTION WITH PLANT DATA (SIEC)

2. THE MANAGEMENT MODE: INITIATOR EVENT AND DIAGNOSIS

3. THE TRAINING MODE: OLD SEQUENCE

4. THE TRAINING MODE: NEW SEQUENCE

5. DATABASE

Time 5:59

DEMO

D - 1/1


THE END

SISIFO-GAS

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SISIFO-GAS A COMPUTERIZED SYSTEM TO SUPPORT SEVERE ACCIDENTS TRAINING AND MANAGEMENT