Proceedings of the Ninth Power Systems Computation Conference

ForewordOrganizing Committee1 Network Planning Maximum power system load supply capability with the constraints of transient stability PG&E's planning support system Multiple objective trade off analysis in power system planning International interconnections planning: EDF's approach2 Operations Planning I Simplified reactive power control for distribution systems Dynamic generation dispatching considering security and environmental operating constraints Long-term operation planning for thermal power systems Scheduling of maintenance and refuelling shutdowns for the pressurized water reactors at Electricite de France Optimal generation scheduling of large hydrothermal power systems by network programming methods3 Steady State Stability Overview of relevant issues and recent considerations in generator stability modeling practises Generalized self-tuning controller with self/searching pole-shift for the control of power systems A Method for harmonic stability analysis of AC-DC transmission system Decomposition and stabilization of large-scale electric power networks Confirmation of parametric resonance phenomena in laboratory experiments4 System Security and Optimization I A new generation of energy management systems Dynamic security assessment through power flow spectrum time shifting A comparison of dynamic security indices based on direct methods The on-line security enhancement system implemented in the power system control center of the Energie-Versorgung Schwaben AG A framework for integration of network topology optimization and generation rescheduling in power system security applications5 Reliability of Power Systems I Inaccuracies in power system reliability evaluation Reliability model development and data using the Canadian electrical association equipment reliability information system Dispersion analysis in distribution system reliability evaluation An analytical method for including operating considerations in reliability modeling of interconnected systems: the OPRINS model Multi-area capacity expansion model with reliability constraints6 Hydro Scheduling Short term optimization of electric power plants production including pumped storage and nuclear modulation Daily operational planning of the EDF plant mix: the octave model optimizes lake plant discharges Minimum risk decisions in hydro storage and fuel-stock management Hydroelectric project sequencing using heuristic techniques and dynamic programming7 Generation Planning Estimation of place-differentiated supply cost using linear programming On the application of stochastic linear programming to computation of reliability index of generating system with multiple assigned-energy units Expansion and operation planning of combined electric power and heat production systems EEF approach to power system probabilistic modeling Optimal operation of reversible pump-storage hydropower plants in long-term system planning studies Capacity credit and energy value of wind power in hydro-thermal power system Trellis: a year-round macro power system planning program The pumped storage hydro plant The preferred complement to Israel's generating system8 System Control Design of discrete-type controller for decentralized AGC through decomposition technique Total adaptive generation controller (TAGEC) applied multivariable optimal control Automatic generation control and reserve monitoring. A practical scheme for the Netherlands PIGI An interactive network controller's interface KEPCO's new NCC system for power system operation The development of an integrated system operation computer network The state estimator in operation at ENEL national control center9 Protection I Impact of adaptive protection on power system control Digital simulation of protection systems under transient conditions Calculation and consequences of intersystem faults Calculating suitable impedances as seen from the relay location for the protection of double circuit lines A method to correct the distorted secondary currents of current transformers10 Power Flow Computation I Method of solution of ill-conditioned load flow systems Compensated network solution extensions for fast accurate solutions even when singularities are present Automatic nonuniform decomposition of large scale power system for parallel processing Voltage collapse prevention in interconnected power systems11 Data Base Systems Concept of an on-line data base supporting grid data language Data base model and maintenance system for energy control centers The application of a database management system in an energy management system12 Forecasting and Production Costing A comparison of time series 'forecasting methods for predicting the CEGB demand Error limits and on-line monitoring of short-term load forecasts Improvements to probabilistic power system production costing simulation13 Electro-Magnetic Transients EMTP line modeling accuracy Digital representation of circuit breakers for switching transients A line model for the calculation of lightning induced voltages Three-time scale modeling of power systems for the effective computation of transients Approximate transformation matrices for unbalanced transmission lines14 Load Management Computational methods for planning power systems which are to be homeostatically controlled Dynamic pricing in system planning and operation Long-range power system planning under dynamic tariffs with modeling the customer response Berthold BitzerandJuergen VoB (Federal Republic ofGermany) The effect of load management on generation capacity and costs15 Reliability of Power Systems II Expansion planning of power transmission network with reliability constraint Reliability and production cost of interconnected systems A research on flows in complete stochastic networks Influences of the elements outages dependencies on the power system reliability analysis Development of composite customer damage functions for use in power system planning and operation Estimation of reliability indices for the Austrian high voltage network Direct probabilistic approach to evaluate reliability of complex electric equipment or of parts of the power transmission system Calculation of substation reliability indices based on hottest-spot temperature of the power transformer16 State Estimation and Bad Data Detection Computational issues in the Hachtel's augmented matrix method for power system state estimation Fast and robust bad data detection, identification and correction w~th subsequent direct recursive state estimation Multiple bad data identification techniques for orthogonal row-processing state estimators Local redundancy and identification of bad measuring data Tracking, dynamic and hybrid power system state estimators Aggregation methods for hierarchical static state estimation in large scale power systems: a survey17 Transient Stability I Electric load modeling: analysis, identification and validation An algorithm for coherency recognition via the theory of metric space Microprocessor-based stabilizing control system based on energy function method A novel transient stability program for interconnected AC-DC system18 System Security and Optimization II A computing method for the country-wide economically optimum management of bivalent use of electricity and fuels Optimal reactive compensation planning and voltage scheduling A decomposition approach to security-constrained optimal power flow with post-contingency corrective rescheduling An adaptive model for improved on-line contingency selection Automatic adaptation of dynamic boundary between external and estimated networks for security calculations19 Transient Stability II Dynamic equivalents for large scale interconnected power systems Transient stability studies of bulk power systems using the simplified and detailed mathematical models A decentralized control for large-scale power systems in stability crisis and differential geometric control theory Stabilizing control for power systems by shunt capacitor switching A comparative study of fast assessment methods used for multimachine power system transient stability Fast transient stability assessment by linearized load flow model20 Operations Planning II Operation planning of energy systems CPU-time efficient solution of large-scale MIP-models The importance of a nominal solution in a heuristic unit commitment program A fuel management method in power system optimal seasonal operation planning On-line pricing of pumped storage generation for economic dispatch Application of probabilistic methods in the operational planning studies in the Brazilian system Generation scheduling in systems with power and energy interchange costs Problems related to maintenance scheduling in power systems21/22 Expert Systems in Power Systems Engineering Expert systems in power system planning and operation from the viewpoint of a utility engineer Efficiency of expert systems as on-line operating aids An expert system for voltage - var scheduling An intelligent knowledge based system for maintenance scheduling in a power system Exformer, an expert system for transformer faults diagnosis23 Protection II Digital algorithms for differential protection of power transformers Performance of phase-comparison protection schemes during transient faults on series compensated transmission lines Digital methods for on-line estimation of the basic components of signals in electrical power systems A new algorithm for digital distance protection based on the traveling wave principle Monitoring and back-up protection of a busbar using digital distance relays Protection coordination for industrial power systems with a consideration of transient conditions on a personal computer24 System Security and Optimization III Energy management developments for the CEGB power system The economic controlling principles of the district heating network when combined production of power and heat is used The implementation of a state-of-the-art EMS system: an utility view Linear reactive power dispatch studies for longitudinal power systems How to supply appropriate var compensation programs to the planning of an electric network by the solution of linear inequality systems Fast transient security assessment by pattern recognition techniques A novel loop-based load flow algorithm and its application in on-line security assessment of power systems Corrective switching by means of optimal strategy25 Distribution Planning and Operation Communicating automata in distribution substations Transformer scheduling with loss minimization in distribution substations An integrated software system for planning MVdistribution networks A PC based system for radial distribution network design26 Simulation Techniques Microcomputer-based simulations as an aid to power systems teaching Power system models for a dispatcher training simulator A training and simulation package for operating of power systems Production simulation in the Icelandic power system Performance of analysis and control software under network islanding and other emergency conditions27 Excitation Systems and Generator Dynamics Control of multi-modal oscillations in a power system using a multi-channel controller Development of practical self-tuning regulators for turbogenerators Coordinated parameter setting of PSS and SVS for power oscillation damping Eigenvalue control of midterm stability of power system - concept of Eigenvalue control and its algorithms Eigenvalue analysis of the Scottish and Sudanese electricity supply systems Dominant mode selection method - A new approach for dynamic steady state stability analysis of power systems Selective modal analysis of subsynchronous resonance A model reduction technique for high-order power systems and its application to a notch filter design for a Dynamic Current Compensator for SSR suppression28 Power Flow Computation II Real-time emergency dispatch based on second-order methods Factor analysis of load flow ill-conditions Parallel load flow algorithm studies in power systems Solution of sparse linear equations on a reconfigurable multiprocessor A method for instant identification of line outages causing ill conditions of power systems Situation control for large fault interconnected power systems29 Supplement on Generation Planning, Expert Systems and Optimal Power Flow Application of WASP to the Swedish power system Electric utility generation expansion planning under uncertainty A Monte Carlo simulation approach to the reliability modeling of interconnected systems recognizing operating considerations An expert system in prolog for alarm handling in a substation A method to determine the best network model for an online optimization calculationAuthor Index