Proceedings of the Eighth Power Systems Computation Conference

ForewordOrganizing CommitteePlanning I Generation Planning Optimization and Simulation of Large Heat Storages in Combined Heat and Power Production Systems Modeling of Wind Power Impact of Total Energy Systems in Generation System Planning Computer-Aided Derivation of the Optimum Autonomous (Solar Cells Array-Energy Storage) Aggregation Powering a Food Project at Aswan, Egypt Modeling of the Long-Term Development Plan of China's Power System Optimization in the Exploitation and Utilization of Hydro Power Resources in China The Computation of Equivalent Load Duration Curves Using Mixture of Normals Distributions Recent Improvements in WAT Program for Generation Expansion Planning An Application of Fuzzy Linear Programming to Expansion Planning of Electric Power Generation Power Plant Load Draw Down II Network Planning Combined Analysis of Engineering-Economic Characteristics of Power Transmission Systems Computing Fuel Savings Resulting from a Reinforcement of the Power Transmission System Optimal Location of Shunt Capacitors: a MIP Approach Optimization of Reactive Volt Ampere (VAR) Sources in System Planning Optimal VAR Planning Procedures in Large Scale Systems Planning of Power Distribution Networks Using Multiobjective Programming A Methodology for Distribution System Planning Planning Impact Analysis — Comparison of a Direct Method with Simulation Planning Techniques An Interactive Software for Optimizing Transmission Network Expansion The LODEN Program: a Linear Methodology for the Automatic Selection of Long-Term Expansion Alternatives with Security Constraints for a Power Transmission System Sensitivity Based Line Substitutional Approach to Time-Phased Transmission System Expansion III Reliability A Frequency and Duration Evaluation for Looped Interconnected System Reliability Calculating Reliability Parameters of Parallel Connected Elements with the Same Characteristics Assessment for Large Electrical Systems Reliability Application of the Markov Renewal Process on the Generating Units Availability Estimation and Its Influence on System Power Reserve Operational Parameters in Generation Reliability Evaluation Transmission System Reliability Assessment by Contingency Enumeration Unorthodox Reliability ComputationOperation IV Long-Term Operation The development of the General Theory of Control of Power System Operation Dynamic Programming and Simulation as Decision Support for Non-Specialist Decision Makers Menu Driven Program Package "Operation Planning of Energy Systems" A Stochastic Production Costing Method Utilizing Cumulants and Time Series Load Data for Production Planning of a Large Hydro System A Global Feedback for the French System Generation Planning Successive Linear Cost Planes as Objective in Long-Term Hydrothermal Operation Planning Characterization of the Optimal Solution of the Hydro-Thermal Deterministic Co-ordination Problem Operation Planning of Large-Scale Hydroelectrical Systems A Comprehensive Long-Term Production Scheduling Model for Hydrothermal Power Svstems Scheduling of the French Nuclear Reactors and Related Problems A Basis for Co-ordinated Operational Planning of Fuel A, generation Scheduling and Fuel Stocking Operating Reserve Determination and Its Incidence on the Operating Costs of Interconnected Power Systems Breakdown by Cause of the Reliability Indices of Generating Units Transportation Model for Optimal Scheduling of Maintenance Outages in Power Systems Multi-Area Maintenance Scheduling for Generation System Planning Using the Gram-Charlier Series Optimal Management of MV/LV Transformer Sets — Presentation of the Method Used by EDF V Short-Term Operation Evaluation of Spot Prices Short-Term Optimization of a Hydro-Thermal System Optimal Short-Term Planning of Hydro-Thermal Power System Power System Control in the Presence of Large Stochastic Sources Determination of Total Error of Mathematical Modeling under Controlling the Power Systems Regimes Sparsity Directed Mixed Integer Linear Programming Applied for Solving Discrete Decision Problems in Electrical Power Systems Box-Jenkins Method in Short-Term Forecasting of Grid Load in Finland Short-Term Load Forecasting: New Developments at the EDF A Novel Approach to On-Line Short- and Intermediate-Term Load Forecasting Classification of Daily Load Curves by Cluster Analysis VI Optimal Load Flow A Link Between Short-Term Scheduling and Dispatching: "Separability of Dynamic Dispatch" On-Line Security Constrained Economic Dispatch and Reactive Power Control using Linear-Programming Power Flow Optimization in Electric Networks by Evolutionary Strategic Search Hierarchical Optimization of Reactive Power with Linear Programming A Generalized Reduced Gradient Methodology for Optimal Reactive Power Flows New Developments of the Reactive Power Flow Optimization Model Used at EDF A New Efficient Method for Integrated Control of Voltage and Reactive Power in Power Systems Power System Security Analysis and Enhancement Using Fletcher's Quadratic Programming Method Corrective Generation/Load Rescheduling by Multi-Stage Non-Linear Programming Information Processing VII Data and Information Systems Integrated Microprocessor-Based Systems for Data Acquisition, Control and Protection of Electric Power Substations Automatic Load Data Processing System Measurement of Active and Reactive Power for Real-Time Power Systems Control Graph Theory Approach to Power System Modeling and Analysis On-Line Power Network Topology Update Dynamic Network Colouring Intertask Communication Techniques on a Multiprocessor System for Real Time Simulation An Integrated Approach to a Generalised Computer Mail in a Distributed System VIII Parallel Processing Parallel Algorithms Based on Functional Modeling for Solution of Power Systems Problems Multiple Factoring for the Parallel Solution of Power System Problems A New Load Flow Calculation Method Suited for Parallel Processing The Solution of Sparse Linear Equations Using a Multiprocessor Transient Stability Analysis Using Parallel Processing IX Training Simulators Real Time Network Simulation for Dispatcher Training Training Simulator for Power System Dispatch Use of the Loviisa NPS Training Simulator for Training and Research Network Analysis X State and Parameter Estimation Experiences from Implementation, Commissioning and On-Line Operation of a State Estimator Function A Practical Approach to Network Unobservability An Algorithm for Determination of Pseudo Measurement Placement in the Observable Power System in State Estimation On the Optimal Allocation of Measurements in Power System State Estimation Considering Loss-of-Measurements Conditions A New Method for Bad Data Processing in Power System State Estimation Application of Sparse Matrix Linear Least Squares Methods in Static Power System State Estimation Multi-Level Dynamic State Estimation for Electric Power Systems Power System State Estimation as Applied to the Computerized Anti-Fault Automation System State Estimation for Co-ordination of Power Pools and Regional Power Systems XI Network Adequacy Combined Use of Linear Programming and Load Flow Techniques in Determining Optimal Switching Sequences Contingency Severity Selection Based on Flow Bounds: Numerical Experience An Iterative A. C. Technique for Power System Contingency Analysis A Method to Determine the Appropriate Network Model for an On-Line Security Analysis Calculation Power Flow after Disturbance Considering Frequency, Voltage and Inertia Effects Conditions for Localized Response in Decoupled Voltage — VAR — Networks Voltage Collapse Proximity Indicators Computed from an Optimal Power Flow Maximum Short-Circuit Currents at Pessimal Load Flow in Relation to Calculations Acc.tolEC,TC73 Calculation of Short-Circuit Currents with Impedance Correction Stochastic Load Flow Using Analytical and Monte Carlo Approach Including Dependency Between Loads XII Network Theory and Modeling Equivalent Electrical Networks New Improved Quadratic Programming Methods for Super-Large Power Systems Analysis Consistency of Loadflow Equations Algorithmic Development of the Second Order Loadflow for Real Time Applications Simple Steady-State Solution Method for Networks with Harmonic Distortion Space Phasors for Dynamic Minimum-Time Computing and Digital Real-Time Display Modeling and Analysis of Under-Load Tap-Changing Transformer Control System Applications XIII Non-Steady State Network Analysis A Line Model for Transient Programs which Takes into Account Lightning Induced Voltages Irregular Eigenvalues in the Analysis of Multimodal Propagation Travelling Wave Model of EHV Crossbonded Cable for Use in Power System Transient Analysis A Non-Linear Propagation Algorithm for Transmission Lines Calculation of Network Time Constants and Resonant Frequencies Digital Program for the Computation of Electromagnetomechanic Transients in Electric Power Systems Short-Circuit Currents of Asynchronous Motors, Calculation by Laplace TransformationDynamics XIV Dynamic Simulation Programs Digital Program for the Simulation of Electromechanic Transients in the Medium and Long-Term Range Dynamic Behavior of Electric Power Systems in Case of Powerful Generators Operating in a Regime of Reduced Reactive Power and Under-Excitation Digital Simulation of Electric Power Systems of Independent Structure Overall Dynamic Simulation of Electric Power Systems Development of a Precise Simulation Program for Dynamic Analysis of Bulk Power System under Faults XV Small System Dynamics Predetermination of Current and Torque Requirements of Isolated Power Systems Analysis and Simulation of Processes in the Networks of Industrial Enterprises with the Help of Digital Computers AC Harmonics of Power Converter Loads and the Distortion of Power System Voltages XVI Dynamic Model Identification Load Models and Simplified Plant Models for Grid Restoration Studies Dynamic Model for Load Model Parameters Identification Based Upon Measurement in the Field Identification of Power Plant Dynamics Once-Through Subcritical Steam Generator Dynamic Analysis by 200 MW Unit Modeling Simplification of the Mathematical Models of Power Systems in the Dynamic Processes of Different Length XVII Qualitative Dynamic Analysis Fast Transient Security Assessment and Enhancement of Electric Power Systems Using Pattern Recognition Electric Power System Transient Stability Estimation and Control Action Choice Direct Transient Stability Assessment Using Energy Functions: Status and Prospects A Method of System Separation for Stabilization of Separated Power Systems Based on Energy Function Catastrophe Theory Applied to Power System Steady-State Stability — a Comparison with the Energy-Balance Approach An Approach to Direct Stochastic Analysis of Power System Stability Rational Location Choice for Electric Power System Elements According to the System Damping Capabilities XVIII Linear Dynamic Analysis On the Possibility of Parametric Resonance in Power Systems — a New Concept of Power System Stability Subsynchronous Resonance of a Divided Winding Rotor Synchronous Machine Calculation Analysis on Power System Damping and Low-Frequency Analysis on Power System Damping and Low-Frequency Electromechanical Oscillations in Interconnected Power Systems A Decentralized Method for Oscillatory Stability Evaluation of Multimachine Systems Steady-State Stability Criteria of Complex Power System Reflecting Influence of Frequency Deviation Damping of Electromechanical Oscillations in Multi-Machine Automatic Controlled Electric Power Systems Dynamic Stability Analysis Taking into Account Load Flow Multisolutions and Load Characteristics Linearized Models of Electric Power Systems for Steady-State Stability Studies in Presence of Multi-Terminal HVDC Connections Eigenvalue Analysis of the Effects on Dynamic Stability of Plant in the North of Scotland Hydro-Electric Board Network Design of Power System Stabilizers Using Eigenvalue Sensitivities and SMA Techniques Co-ordination Between Automatic Voltage Regulator and Unit for Minimum Excitation LimitingControl XIX Control Centres Experience of Implementation of a Modern Control System at Hubei Power System Control Center The Open Loop Security Dispatch of the New Process Computer of the National Control Center of EDF Central Load Dispatching System for Tohoku Electric Power Company of Japan Security System Implementation Experience at Arizona Public Service Company Bridging the Gap Between Real-Time Control and the Daily Operational Planning of Power Systems — the EDF Approach On-Line Computer Control of Electric Power Systems XX Stabilizing Load Control Stabilizing Control for Power Systems by Means of Superconducting Magnetic Energy Storage A Microprocessor Based Optimal Quality Control of Dynamic Braking Stability Limits for the Bruce LGR Scheme Mid-term Frequency Behavior of Islanded Power Systems XXI Switching Control New Substation Interlocking Scheme Using Microcomputers Distribution Substation Control and Automation by Microprocessor Verification of Switching Operations with Temporal Logic XXII AGC/LFC An Approach of Automatic Generation Control Using Compensation Method Discrete-Type Automatic Generation Control of Two-Area Thermal System with Several Types of Interconnection Application of Variable Structure System Concept to Power System Control Problem XXIII Digital Protection Digital Relaying Applied to EHV Transmission Lines, Algorithms and Architecture of Arithmetic and Logic Processors Digital Impedance Protection Using a Kalman Filter An Efficiency Estimation Technique for Computer Relaying System "MORGAT": a Digital Simulator for EHV Relaying Scheme Tests On-Line Determination of Symmetrical Components by Sampling XXIV Controller Design Analysis and Synthesis of a Voltage-Power Control System Parametrical Controller of an Electric Power Unit Hierarchical Moving Horizon Controller for Power Systems Power System Stability Improvement by Optimal Control Multivariable Optimal Control for Generator Excitation and Governor Systems Non-Linear Optimal Control of Multi-Machine Systems Using Input Power and/or Excitation Control Practical Implementation of Discontinuous Control in the Field Regulator Loop A Computer-Aided Design Method for Power System Control Late Papers Sensitivity-Study Concerning the Control Behavior of the Interconnected West European Power System Topology Oriented Network Description for Power System Control Applications On the Effect of Asynchronous Machine Loads on the Transient Behavior of a Large Interconnected Network Planning Generation in the Context of Changing Sources of Energy: a New Iterative Approach Principle and Full Scope Simulators for Training of Control Center OperatorsAuthor Index

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Proceedings of the Eighth Power Systems Computation Conference

Helsinki, 19-24 August 1984

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