Automatic Control in Power Generation, Distribution and Protection

Plenary Sessions

Introduction

Welcoming Address

Reply to Welcoming Address

Opening Address

Closing Address

Review Papers

Decentralised and Centralised Automatic Generation Control - A Multi-Variable Servomechanism Approach

Digital Control Methods for Power Station Plants Based on Identified Process Models

Power Generating Unit Mechanical and Electrical System Interaction During Power System Operating Disturbances

Modern Trends in Power System Protection

Control of Power Generation and System Control with the Emphasis on Modern Control Theory

Electronics in Future Power Systems

Discussion of Review Papers

Session P.3

Session P.4

Technical Sessions

Topic A: Control of Power Systems

Load Shedding Schemes

Automatic Underfrequency Load Shedding in ESCOM

Restoring System Stability by Underfrequency Load Shedding in Circumstances of Sudden Supply Deficiency

Aspects of Energy Management Systems

A Specification for an Operator Load Flow Program in an Energy Management System

The Minimum MVAR Generation as an Effective Criterion for the Reactive Power Dispatching

Influence of Inaccurate Input Data on the Optimal Short-Term Operation of Power Generation System

Economic Load Despatch

Centralized Generation Control of Real Power for Thermal Units by a Parametric Linear Programming Procedure

Design Aspects of a Software Package for Automatic Generation Control with Instantaneous Economic Dispatch and Load Forecasting Functions

Economic Control of Power Systems Using Microcomputers

Voltage Control

Coordination of Voltage Compound and Reference Values in the AVRs of Generators of a Production and Transmission Network

The Secondary Voltage Control of EDF Network

Present and Future Use of Static Compensators to Control Voltage Level and Balance on the ESCOM System

Topic B: Control and Protection Schemes and Equipment

Measurement and Processing of Analogue Quantities

A New Directional Protection for Digital Processor Use

Accuracy of Three Phase Power Measurement

Fault Location in H.V. Power Systems

Protection and Control Schemes

Securing High Availability of Protection Relays and Systems

Single Phase Auto Reclosing - Philosophy and Experience in Southern Africa

The Major Control and Protection Functions of the Telecommunication System Installed on the Cahora Bassa - Apollo Scheme

Microprocessor Based Equipment for Control of Power System Plant

Microcomputer Based Power Transformer Voltage Control Scheme

Microprocessor-Based Equipment for Automatic Control in Power Generation and Distribution Systems

Microprocessor Implementation of Breaker-Fail Protection

Centralized Monitoring Control

Power System Monitoring

User Criteria for Selecting Programmable Control Systems

Topic C: Control of Power Systems Plant

Adaptive Control of Power Plants

Adaptive Multivariable Control of a Power Plant Boiler

Adaptive Nonlinear Compensators for Power Plant Control

Self-Tuning Load-Following Control of a Nuclear Power Plant

Control of Power Station Plant

Design Concepts for Measurement and Control of EHV/MV Plant at Matla and Duvha Power Stations

Supervisory Control of Raw Water Supplies for ESCOM's Power Stations in the Eastern Transvaal

Dynamic Characteristics and Control of Large Power Stations During Fast Power Changes

Topic D: Control Centre Concepts and Equipment

Central Control Systems

Experience Gained During the Assembly Phase of ESCOM's System Control and Load Despatch System

ESCOM's System Control and Load Despatch (SCALD) System

Data Base, Display and Training

Problems Encountered in the Management of a Control Centre Data Base and Possible Solutions

A Real Time Data Processing System for the Visual Display and Calculation of Medium Voltage Networks: A Few Aspects of the Data Base

Functional Requirements of a Proposed Power System Simulator for the Training of Despatchers

Topic E: Power System Dynamic Performance

Subsynchronous Resonance

Subsynchronous Resonance with Reference to Koeberg and the Series Compensated Transmission System

Laboratory Measurements of Subsynchronous Resonance

Centralized Versus Decentralized Damping of Low Frequency Oscillations in a Large Power System

Analysis of Power System Dynamic Performance

Dynamic Interaction of Electrical Power Plants, Loads and Transmission Network

Experience with the Power System Simulator - A Continuous Hybrid Approach to Power System Dynamic Analysis

Reliability Index of Transient Stability for a Single Machine Connected to an Infinite Bus

Topic F: Security and Reliability

Security in Generating Plant Operation

Economic Evaluation of Operational Reserve Policies in Optimal Short-Term Operation of Power Systems

Power System Security Assessment

Fast Decoupled Load Flow for Security Assessment

Application of External Equivalents in the Case of Machine Outages in the Study System

Topic G: Identification, Modeling and Stimulation

Power System State Estimation

On-Line Observability Determination for Power System Monitoring

A New Algorithm for Real-Time Estimation of the State of a Power System

Application of a Two-Level State Estimation for Anomalous Data Analysis in Electric Power Systems

System Identification and Simulation

Modeling and Simulation of the Drakensberg Pumped Storage Scheme's Dynamic Behaviour

Non-Linear State-Affine Identification Methods; Applications to Electrical Power Plants

Principle of a Secure and Economic Automatic Generation Control

Simulation of Control Systems

Efficient Digital Computer Simulation of a Direct Digital Control Loop

Fast Optimal Load-Flow under Emergency Operating Conditions

Topic H: Control Theory

Application of Control Theory in Power Systems

Design of Stabilizing Controllers of Power System using Pole-Assignment Technique

Feasibility Decentralized Dynamic Compensators in Power Generation

Late Paper

Interconnected System Reliability Evaluation with Load Correlation and Transmission Constraints

Discussions - Papers Presented at Technical Sessions

Topic A: Control of Power Systems

Sessions A1, A2, A3, A4

Topic B: Control and Protection Schemes and Equipment

Sessions B1, B2, B3

Topic C: Control of Power System Plant

Session C1

Topic D: Control Centre Concepts and Equipment

Sessions D1, D2

Topic E: Power System Dynamic Performance

Sessions E1, E2

Topic F: Security and Reliability

Sessions F1, F2

Topic G: Identification, Modeling and Simulation

Sessions G1, G2

Topic H: Control Theory

Session H1

Round Table Discussions

Simulation and Modeling in System Planning

A Generation Expansion Programme to Achieve Optimum Plant Mix and Minimum Cost for a Fixed Reliability of Supply

Distributed Processing in Power System Operation

List of Delegates