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

• 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 IDENT

César Serrano

SEVERE ACCIDENT MANAGEMENT

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

WGRisk

Workshop,

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

OECD HALDEN REACTOR PROJECT

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

SEVERE ACCIDENTS MANAGEMENT”

• ORIGINAL DEVELOPMENT : COMPUTERISED ACCIDENTS MANAGEMENT

OECD HALDEN REACTOR PROJECT

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

SEVERE ACCIDENTS MANAGEMENT”

• ORIGINAL DEVELOPMENT : COMPUTERISED ACCIDENTS MANAGEMENT

Signal Validation Man-MachineInterface

PSA Module

Strategy Generator

Critical Function Monitor

CAMS - ORIGINAL DEVELOPMENT

APROS

Tracking/Predictive Simulator Non-Severe Accident

State Identification

B - 3/5

Signal Validation DiagnosisModule

MAAP 4

Tracking/Predictive Simulator

Severe Accident

Fitting Module Man-MachineInterface

PSA Module

Strategy Generator

Critical Function Monitor

B - 4/5

(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

WINDOWS 95 WINDOWS NT

SOFTWARE REQUIREMENTS

• 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– LOGIC RULES DEFINED AS LOGIC TREES

– PARAMETER PROCESSING STRUCTURE USING FUZZY LOGIC

TECHNICAL DESCRIPTION

EARLY BYPASS BYPASSNO BYPASSLATE

1 HOUR AFTER VESSEL FAILURE

DRYWELL BYPASS

DRYWELL BYPASS

YES

LOGIC RULES - DRYWEL BYPASS

T - 3/7

• 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:

– LOGIC RULES DEFINED AS LOGIC TREES

– PARAMETER PROCESSING STRUCTURE USING FUZZY LOGIC

• 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:

– LOGIC RULES DEFINED AS LOGIC TREES

– PARAMETER PROCESSING STRUCTURE USING FUZZY LOGIC

• ADJUST THE INPUT MAAP4 CODE TO REPRODUCE THE SEQUENCE

TECHNICAL DESCRIPTION

CONTAINMENT FAILURE TIME

NO

STC 59 STC 60 C

NO CF LATE CF EARLY CF

B STC 53

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

TECHNICAL DESCRIPTION

• 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

TECHNICAL DESCRIPTION

• 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

• 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

– 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

• 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

WGRisk

Workshop,

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

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