Instrumentation, Control and Electrical Concepts

Drafted by Mike MacBeth

1. Introduction to IC&E for CANDU NPP
   • High level CANDU Plant Block Diagram with parameters noted
   • Discuss operational states and changes in parameters
   • Outline the need for the provision of key indicators and automatic control capability
   • Some simple loop concepts showing the need for Instrumentation, Control and Electrical devices
2. CANDU NPP Regulation and Protection Concepts
   • Introduce Safety Concepts related to I&C, margins, maintenance thresholds
   • Introduce Reliability, Redundancy, Grouping & Separation, Testing.
   • Introduce Regulation Applications - Plant Control
   • Sample Regulation Systems
   • Introduce Protective Applications - Plant Protection
   • Sample Protection Systems
   • Introduce Post Accident Management System (PAMS)
3. Fundamentals of CANDU NPP Instrumentation
   • Introduce key CANDU NPP Instrumentation measurement applications
4. CANDU NPP Instrumentation Equipment and Components
   • Overview of Generic CANDU NPP Instrumentation Equipment and Components
5. CANDU NPP GSI Oriented Instrumentation Equipment and Components Applications
   • Specific examples of CANDU NPP Instrumentation Equipment and Components installations and intended functions
6. CANDU NPP Man-Machine Interface Concepts
   • CANDU NPP Information Presentation Strategies
   • Main Control Room, Secondary Control Area and Local Panel Indicators and Annunciators
   • Human Factors Engineering Concepts, Error Catching and Error Mitigation
   • Post Accident Management
7. Fundamentals of CANDU NPP Electrical
   • Electrical Grouping and Channelization
   • In-Plant Electrical Power Distribution
   • External Grid Connection, Ring Bus and Unit System Service Transformer
   • Automatic Electrical Transfer Concepts
   • Emergency Electrical Transfer Concepts
8. CANDU NPP Electrical Grouping, Classes of Power and Grounding Practices
   • Functional Grouping
   • Classes of Power and Rationale
   • Station Electrical Grounding Practices
9. CANDU NPP Electrical Distribution and Transfers
   • Typical Station Electrical Bus distribution and loads, by Class
   • Transfer logic goals
   • Standby Generator function, logic and loading
10. CANDU NPP Electrical Equipment and Components
    • Generic CANDU Electrical Equipment & Components organized by Voltage and Function
11. CANDU NPP GSI Oriented Electrical Equipment and Components Applications
    • Specific examples of CANDU NPP Electrical Equipment and Components installations and intended functions organized by GSI
12. CANDU NPP Electrical Support for I&C including Distribution and Qualification
    • Class II and Class I Power Review
    • Power Supply Lists, Fusing and Generic I&C Loops
    • Testing of Power Supply Integrity for Odd/Even
    • Sample GSI applications
13. Fundamentals of CANDU NPP Control
    • CANDU Plant Operating Modes (Normal, Alternate)
    • Define Manual, Automatic, Supervisory and Semi-Automatic Modes
    • Control Transfer Strategies and Requirements
14. CANDU NPP Control Equipment and Components
    • Generic Loop Equipment and Components Required for Control Applications
15. Generic Control Strategies and Approaches
    • Introduce concept of Negative Feedback Control
    • Control Modes (PI&D) - function and general application
    • Further Control Concepts (Feedforward, cascade)
16. Overview of CANDU NPP Control Techniques
    • General Control Strategies for sample Key systems
    • Typical Generic CANDU Loop examples
17. CANDU NPP GSI Oriented Control Applications
    • GSI Specific Control loops and Strategies for Key CANDU systems with a review of Control Program rules
    • Overall Plant Control loops and Strategies
18. CANDU NPP I&C Commissioning Concepts
    • General I&C Commissioning Considerations
    • Key system commissioning goals and concerns
19. CANDU NPP Start-up and Approach to Critical I&C Interfaces and Operational Concerns
    • Special I&C Requirements
    • Start-up Instrumentation and Range Overlap
    • Interfacing System Requirements
    • A start-up Scenario
20. CANDU NPP Power-up Maneuvers I&C Interfaces and Operational Concerns
    • Review Interfacing of Key Systems and expected performance
    • Key indicators and Transfers
    • A power-up example
21. CANDU NPP Trips, Upsets and Shutdown I&C Interfaces and Operational Concerns
    • Review of expected unit disturbances like Reactor Trip, Setback, Stepback and Turbine Trip
    • Role of I&C in maintaining stable control of unit during these events
    • Specific CANDU NPP examples of integrated I&C systems and expected process responses.