TECHNICAL MEETING

ON

INSTRUMENTATION AND CONTROL

IN

ADVANCED SMALL AND MEDIUM-SIZED REACTORS

(SMRS)

21-24 May 2013

TECHNICAL FEATURES OF MMIS DESIGN AND

TECHNOLOGIES OF SMART

In Soo KOO

iskoo@kaeri.re.kr

Introduction

SMART MMIS

Classification

Protection

Control

Monitoring

SCOPS

RPS

DPS

ASTS

ESFCS

Safety Control

Power

Control

RRS

CRDMCS

RPCS

Process Control

PZR Control

CVCS

BOP

2nd Control

FWCS

SBCS

TB Control

Condensate

Control

IPS(SCOMS, CFM, NSSS+BOP Monitoring, Alarm, SOE, HDSR)

ICCMS

PAMS

Alarm and Indications

Primary Integrity Monitoring/Seismic Monitoring/RMS

IC-1

• SCOPS

• RPS

• ESFCS

• Safety Controls

• Interlocks

• ICCMS

• PAMS

• Indications

IC-2

• DPS

• ASTS

IC-3

• Power Control System

• Process Control System

• Alarms

• Indications

• IPS

• Monitoring Systems

Non-Safety

Software (NS)

Important to Safety

Software (ITS)

Safety-critical

Software (SC)

Classification

Redundancy

Single Failure Criteria

■ SCOPS

- 4 channels

■ RPS

- 4 channel

- 2/4 coincidence logic

- Manual trip switches

■ ESFCS

- 4 channel

- 2/4 coincidence logic

- Manual actuation devices

■ Safety Controls

■ Electric Power

■ PAMS

• Control systems – 2 channels, X-Y

Defense in Depth

■1st level

- To prevent deviations from normal operation and to prevent system failures

- Control echelon; Power Control System, Process Control System, 2nd Control

System

■2nd level

- Protection echelon ; SMART Core Protection System, Reactor Protection

System, Diverse Protection System, Automatic Seismic Trip System

■3rd level

- Mitigation echelon; Engineered Safety Features Control System, Safety Control

System

■ 4th level:

- Monitoring echelon; Post Accident Monitoring System, Inadequate Core

Cooling Monitoring System

Control

Protection

ESF actuation Monitoring

Defense in Depth

Diversity

■ Diversity Protection System

- Anticipated transient without scram

- Common cause failure

■ Diverse functions

- Main control panel – Safe shutdown panel

- Alarm and Indication System – Information

Processing System

- Reactor Protection System – Reactor

Regulating System

- SMART Core Protection System – SMART

Core Monitoring System (IPS)

- Post Accident Monitoring System – Critical

Functions Monitoring (IPS)

Data Communication – Cyber Security

Defense-in-depth

protective structure

SMART MMIS Cyber Security

Lifecycle Process

Qualification of Digital Technology

System

Concept

System

Req’ts

Software

Planning

Hardware

Req’ts

Hardware

Design

Hardware

Fabrication

Hardware

Assembly

& Test S

yste

m D

esig

n

Hardware

User

Software

Hardware

User

Software

Hardware

User

Software

User

Planning

User

Req’ts User

Layouts

User

Documents

User

Procedures

Hardware

Planning

Software

Req’ts

Software

Design

Software

Implemen-

tation

Software

Integration

Validation Installation

System Integration Operation &

Maintenance

Validation

Human Factors Concern

Management

Development

QA

Safety Anal.

V&V

CM

Requirements

Req’ts Anal.RP

Req’ts RP

Design

Design Anal. RP

Design RP

Code

Imple. Anal.&Test RP

Implementation RP

Integration

Integ. Anal.& Test RP

Integration RP

Validation

Valid.Anal&Test RP

Validation RP

Installation

Instal.Anal&Test RP

Installation RP

Change

Change RP

Change RP

COTS

QA CGID

Safety Anal.

EQ

Defense-in-Depth

Evaluation

Diversity Anal.

& Req’ts

Diversity

Methods

CMF Methodology

Reliability Goal

Evaluation

Reliabilty Anal.

& Req’ts

Reliability

Methods

Reliability

Methodology

Digitalized System - Hardware Issues

Digitalized System - System Issues Digitalized System - Software Issues

Human Factors

MMI Concept

FRA &

Preliminary FA

MMI Design

Task Analysis

Operating Procedure

Development

Dynamic Model

Conceptual

MMI Design

Function Allocation

Design Concept

New Function

Operating

Experience

Detailed Design

System Analysis Function

Allocation Criteria

Design Guideline

I&C System

Structure

I&C System

Design

I&C sys. Prototype

Development

Conceptual

Design

Phase

Basic

Design

Phase

Detailed

Design

Phase

MMI Prototype

Overview of SMART MMIS

Control Room

• ADVANCED Control Room

• Seated-type Compact Workstation

• Elastic Tiled Alarm Display Method

• Alarm Reduction Method

• EID-based Information Display

• Human Factors Engineered Features

• Enhanced Communications between Operators

• Enhanced Motor Tasks

• Improved Detection Possibility of an Unanticipated

Event in Early Phase of the Event Propagation

• Improved Situation Awareness even under Massive

Alarm Status

• Enhanced Accessibility of Plant Information

Alarm and Indication System

• PARM(Proactive Alarm Reduction Method) is based on the contents of the past operating affects

during the next time of the alarm reduction.

I&C Characteristics

DIGITAL Instrumentation and Control Systems

Fully Digitalized Instrumentation & Control System design

Platform Based on DSP for Safety System(Hard-real Time

Characteristics)

Dual Scheme per Channel of Protection System

Embedded O/S : Scheduler

Segmentation Technology for ESF-CCS CMF Reduction

Hot stand-by and Duplex Structures of Control System

Safety and Non-safety Soft Controller

Hard Real-time Characteristics

Scheduler based on the DSP Timer

Satisfy the SCOPS Mission Time

On-line Periodic Test for Idle Time Mission Time

50 ms

Exec.

Time Idle Time

Periodic

Test

0 ms 2 ms

SMART Core Protection System

Software functions

COOLANT

CRPOS

POWER

CHECK

THERM

TRIP

Input From

COOLANT

Input From

CHECK

MCP

Speed

Output to

POWER & THERM

Input from

COOLANT &

CHECK

CEA

Position

Penalty

Factor

Output to

COOLANT &

POWER

TC, TH

PR, D

SCOPS

(DSP

NIC)

A

B C

D

PPS Cabinet

PPS IS

IPS

AIS

PR

TC

TH

D(I), I=1 to 3

CEA(I), I=1 to 12

CHFR Trip Signal

LPD Trip Signal

Trip Buffer Variables

CHFR Margin

LPD Margin

CEA Deviation, ETC.

Status Data on SCOPS

CHFR Margin

LPD Margin

CEA Deviation, ETC.

CWP

CR

Neutron Flux PWR

CHFR Margin

LPD Margin

Coolant Mass Flow Rate

Reactor Protection System

Engineered Safety Features Control System

Component Control Card

From EIM A1

From EIM B1

From EIM C1

From EIM D1

From EIM A2

From EIM B2

From EIM C2

From EIM D2

NASGM A

NCCM A

BASGM A

BCCM A

SASGM A

SCCM A

From RMS A From RMS B From PIS A

To MCC

BASGM : BOP ESF Actuation Signal Generation Module

BCCM : BOP ESF Component Control Module

EIM : ESF initiation module

MCC : Motor Control Center

NASGM : NSSS ESF Actuation Signal Generation Module

NCCM : NSSS ESF Component Control Module

PIS : Process Instrumentation System

RMS : Radiation Monitoring System

SASGM : Safety-related System Actuation Signal Generation Module

SCCM : Safety-related Component Control Module

안전등급제어계통 캐비닛 A

안전등급기기제어 캐비닛 A

Power Control Systems

SCOPS

IPS

AIS

IS

* Including RSP &

Soft Controller

Component(CEDM, MCP)

MCR

Power Control System

Isolation

Non-Safety Com. Network

Component Initiation Signal

Component Initiation Signal

* Non-Safety Com. Network

MCP Power

Control Equipment

RPCS

RRS

CEDMCS

CEDM Power

Control Equipment

* Power Control System

Process Control System

Charging and purification

system

Feedwater control system

Non-safety BOP control

system

Diverse protection system

2nd Control System

Component Initiation

* Non-Safety Com. Network

Components(Valves, Pumps and etc…)

Condensate

Water

CS

TCS

(*Turbine Supplier)

CONDENSER

VACUUM

SYSTEM

* Secondary Control System

SBCS

Circulation

Water

CS

IPS

AIS

IS

* Including RSP &

Soft Controller

Components(Valves, Pumps)

MCR

Secondary Control System

Non-Safety Com. Network

Component Initiation

Power

Control System

Ex-core Neutron Flux Monitoring System

Ex-core Neutron Flux Monitoring System

Ch A

Ch B

Ch C

Ch X

Ch Y

Ch D

Safety ENFMS

4 channels at operation

• Channel A, B, C, D

High, Med, Low/channel

• Wide range: 10-8%-200%(Log)

• Narrow range: 0%-

200%(Linear)

Non-safety ENFMS

Operation periods

• 2 channels with A, B, C, and

D detectors

Refueling periods

• 2 channels with X, Y source

range detectors

• Source range: 10-10%-10-4%

In-core Instrumentation System

R: Rhodium Self Powered Neutron Detector

T: Core Exit Thermocouple

B: Background Detector

PAMS/ICCMS/PIS

I/O Module

PSV Alarm Unit

ALM Alarm Unit

LPM Alarm Unit

MCPVM Alarm Unit

I/O Module

Communication Module

Analysis Module

Diagnosis Module

Scheduling Module

Output Generation

Communication Module

Other.

Firmware / OS

Utility

Firmware / OS

ICCMS UNIT B Integrity Alarm Unit Integrity Analysis Computer

Communication Module

CET RPV Level

SM Other

I/O Module

Firmware

IPS AIS

ICCMS UNIT A

PAMI

Display A

PAMI

Display B

Safety A Safety B

IPS net AIS net

I I

I I I

I

Sensors/transmitters/---

Others

Information processing system

Critical Functions Monitoring

SMART Core Monitoring System

NSSS and BOP

HDSR

Passive Autocatalytic Hydrogen

Recombiner

Automatic Seismic Trip System

Radiation Monitoring System

Post Fukushima Action Items

Further development for Multiple Reactors

■Autonomous control

■Control rooms for multiple reactor operation

■Qualification

■Reduction of price or costs

Thank you very much

for

Your attention