LAUSANNE: Power System Electromagnetic Compatibility

Summary

The aim of the symposium was to discuss problems of power system electromagnetic compatibility. In addition to being subject to interferences of external origin, electric power systems are also potential victims of disturbances generated within the power system itself. In the present context of increasing use of electronic and digital technologies in power systems, it is particularly important to discuss the issues involved and exchange knowledge at an international level. This symposium provided an international forum for discussion of all aspects of electromagnetic compatibility relevant to power systems.

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SESSION 1 - SOURCES OF DISTURBANCES

100-01 - Power system disturbance due to electric traction in India
100-02 - Factors affecting the levels of harmonies in earth-fault currents in industrial networks
100-03 - Perturbations générées par l'interaction appareil - réseau au débranchement des batteries multiples de condensateurs
100-04 - Caractérisation du rayonnement électromagnétique de la foudre et de son couplage sur un câble
100-05 - Electromagnetic fields and current distributions in electric power substations subject to unbalance currents and phase-to-ground faults
100-06 - Frequency response of substations ground systems subject to lightning strikes
100-07 - A new approach for the improvement of the quality of service in MV network
100-08 - Analysis of lightning atthe Toronto CN tower and its vidnity
100-09 - Modeling of an EMP conducted environment
100-10 - Characteristics of indirect electrostatic discharge

SESSION 2 - COUPLING MECHANISMS - I

200-01 - Coupling models for transient electromagnetic field disturbances on electric power systems
200-02 - Mitigation of AC voltages induced in pipelines paralleling electric transmission lines
200-03 - Computation of transient fields in HV substations
200-04 - Couplage champ à câble - Comparaison de trois théories
200-05 - Simulateur temporel pour la prédiction des perturbations sur une ligne produites par une onde plane incidente transitoire
200-06 - CAD-finite element calculation modelling of the field under a high voltage line
200-07 - Response of multiconductor power lines to indirect close lightning strokes
200-08 - Image representation of propagation of transients on overhead transmission lines
200-09 The problem of earthing in the extreme climate conditions: electric properties of the ground (Review of the present state of the problem)

SESSION 3 - COUPLING MECHANISMS - II

300-01 - A new technique to compute the voltage rise of a substation grounding grid
300-02 - Etude théorique de la susceptibilité de lignes aériennes multifilaires haute tension à une onde électromagnétique plane impulsionelle
300-03 - Calculation of HEMP-induced overvoltages in air-insulated substations
300-04 - Models for predicting electromagnetic interference from corona on power lines
300-05 - High frequency coupling among buried electrodes
300-06 - Lightning indirect-stroke surge voltages on concentrated groundings
300-07 - EMP induced effects on powerlines protected by surge arresters
300-08 - Electromagnetic fields generated by transients of grounding grids
300-09 - Lightning induced voltages on distribution lines: impact on distribution transformers
300-10 - Analysis of transient electromagnetic fields ingas- insulated substations

SESSION 4 - CHARACTERIZATION OF THE ELECTROMAGNETIC ENVIRONMENT

400-01 - Compensation of transients in secondary circuits in HV substations
400-02 - Statistic analysis of electrified railway radio noise and a new measure of anti-interference
400-03 - Reduction of harmonie disturbances introduced by power rectifiers in HV/MV substations with power factor correction capacitor banks
400-04 - Prédiction de l'environnement électromagnétique transitoire d'un poste de transformation à haute tension
400-05 - Transient electromagnetic disturbances and potential rises caused by capacitor switching in powersubstations
400-06 - Control strategies of fast harmonie compensators and their compensation characteristics
400-07 - Analyse de la perturbation harmonique sur les réseaux de transport
400-08 - Protecting electric power systems from DC ground potential gradients
400-09 - Radiated electromagnetic disturbances generated by transmission lines and high speed trains in Spain
400-10 - Evaluation of the non-linear consumer contribution to distorsion of the sinusoïdal voltage in the point of common coupling of power system
400-11 - Mitigation of electromagnetic disturbances in ENEL substations and control centres

SESSION 5 - MEASUREMENTS AND TESTS

500-01 - Digital dynamic identification of power systems sub- harmonies based on least absolute value
500-02 - Compatibilité électromagnétique dans les postes électriques d'Hydro-Québec
500-03 - Mesure des transitoires rapides dans un poste 110/16 kV
500-04 - Induced overvoltages in low voltage power installations caused by lightning electromagnetic impulses
500-05 - Measurement results of transient overvoltages in secondary circuits in HV outdoor substations in Yugoslavia
500-06 - Electromagnetic interference with control equipment byswitching surges in GIS-Cable system
500-07 - Measurement of fast transients in HV substations
500-08 - Limitation of harmonic emission in networks with low short circuit power
500-09 - Monitoring power quality on distribution systems in the US : a national survey
500-10 - Robot performance evaluations during EMC tests
500-11 - EMC testing experience and related corrective actions adopted on uninterruptible power supplies

SESSION 6 - EMC DESIGN CRITERIA

600-01 - Electromagnetic characteristic of low voltage power installations
600-02 - Influence of magnetic fields of computer screens and possible methods to correct it
600-03 - Perturbation de liaison de télécommunication par des courants transitoires sur des lignes électriques parallèles
600-04 - The impact of high voltage dips on adjustable speed drives
600-05 - EMC design criteria of substation control systems
600-06 - L'impact électromagnétique des lignes électriques à haute tension sur l'environnement. Aspects statistiques et pratiques
600-07 - Différentes protections contre les champs magnétiques à 50 Hz générés dans les ouvrages électriques
600-08 - Protection of electronics in high power installations ; theory, guidelines and demonstrations
600-09 - End-use electromagnetic compatibility and its relation to power quality and electromagnetic fields
600-10 - EM protection of remote control equipment in HV/EHV substations
600-11 - An experimental approach to select EMI filters