Master, Semester & Group Theses

Master Thesis

Dennis Christen / MA 356
Puffer Circuit Breaker Experiment with SF6 Alternatives

Semester-​/Group Thesis

Piraveen Selvakumar / SA 541
Partial Discharge Activity Under PWM Voltages

Jan Akermann, Sean Heller / SA 540
Performance Evaluation of a Synthetic Circuit

Enrico Graneris / SA 539
Puffer Circuit Breaker Experiment with SF6 Alternatives

Nick Kreyenbühl / BA 538
Vibrational Excitation Cross Section Fitting in Diluted HFO1234eze Mixtures

Janick Matter / BA 537
Execution of Statistical Time Lag Experiments with Gas Mixtures

Robin Dubach / SA 536
Accoustic and Partial Discharge Measurement of the Corona Discharge with the Single Corona Source under DC and AC Voltages

Leunat Kelmendi / BA 535
Investigation of the Semi-periodic Partial Discharge Behavior and the Resulting Audible Noise Emission of Differently Treated OHL Conductors

Master Thesis

Lu Yang / MA 353
Breakdown of Gases under Nanosecond High-Voltage Pulses: A Dynamic Breakdown Model and its Experimental Validation

Chi-Ching Hsu / MA 352
Data Aquisition and Machine Learning Algorithms for Predictive Monitoring of Circuit Breakers

Céline Erzberger / MA 349
Synthetic Testing for HV Circuit Breaker: Development of a Current Injection Circuit

Justin Rüssli-Kueh / MA 348
Design and Construction of a Hall Sensor Based Current Probe

Elias Lötscher / MA 347
Construction and Testing of a Setup for Polarization/Depolarization Current Measurements


Semester-/Group Thesis

Kenny Atuma, Tobias Huber, Marcel Jacuiéry / GA 519
Synthetic Testing for HV Cicruit Breakers: Finalization and Testing of a High Current Circuit

Ivan Cheptiakov / SA 516
Experimental Investigation on Wetted Overhead Lines

Benjamin Stadler / BA 515
Ground Level Ion Current Density Smart Sensors for use under 400kV Test Lines

Miriam Ensslin / SA 514
Free Burning Arc in SF6 Alternatives

Sebastian Reidy / SA 513
Behavior of Hanging Water Droplets in non-uniform Electric Fields

Fabian Bellgardt / SA 512
Methods to Investigate Protrusions on Overhead Lines

Sergio Meyer / BA 511
Smart Sensors for Monitoring the Electric Power Networks

Jaime Lopez Raichs / SA 510
Measurement Campaign on an Outdoor Hybrid Overhead Line

Dennis Christen / SA 509
Synthetic Testing for HV Cicruit Breaker: Commissioning of a High Current Circuit

Pascal Bächler / SA 508
Synthetic Testing for HV Cicruit Breaker: Controller Design

Ladina Kundert / SA 507
Optical System for the Measurement of Circuit Breaker Contact Travel

Stefan Erismann / SA 506
Pressure Control inside the Puffer Chamber of HV Interrupter

Fabian Ulmer / SA 503
Smart Sensors for Monitoring for the Electric Power Network

Chenran Du / SA 502
Simulation of Integrated Optical E-Field Sensor

Master Thesis

Jaël Keller / MA 346
Kabelauslegung unter Berücksichtigung der dynamischen Last

Marc Prudhomme / MA 345
Corona Pulse Measurement of an Outdoor 400 kV AC/DC line



Semester-/Group Thesis

Martin Vahlensieck / SA 501
Validation and further development of the Python-based simulation tool pyMETHES

Céline Erzberger / SA 500
Synthetic Circuit for High Current/High Voltage Testing

Carla Tettamanti/ SA 499
Diffusion correction in swarm experiment

Carla Tettamanti, Milena Keller, Ladina Kundert / GA 498
Effect of surface wetting behaviour on discharges from water drops in non-honogeneous electric fields

Thomas Ackermann / SA 497
Developing an Evaluation Method for Pre-Breakdown Currents Measured with a Broadband Sensor

Isabelle Schlatter / SA 494
Artificial Corona Sources for a 400 kV Outdoor Test Line

Master Thesis

André Eggli / MA 344
Developing thermal estimation and control algorithm for Flexible DC Source

Julia Glaus / MA 343
Investigation of Characteristics of AirPlus for MV Applications

Naseef Boody / MA 342
Online Dielectric Spectroscopy under Medium-Frequency High-Voltage Stress

Semester Thesis

Tobias Streller, Lukas Mouton / GA 496
Impact of high direct current on the contact resistance

Julian Schlapbach, Jannis Pomsel / GA 495
Umsetzung eines Krypto-Moduls zum Einsatz beim "Magic Cube"

Markus Niese, Kerry Jansen / GA 493
Development of a Python-based open-source Monte Carlo solver for electron transport in gases

Elias Lötscher / SA 492
Upgrade of a Medium-Voltage Breakdown Experiment

Luca Nembrini / SA 491
Software Optimization for a Mixed-Voltage Control and Acquisition Unit

Thivagan Kanasagabai / SA 490
AC Breakdown Measurements of Environment-Friendly Fluorinated Gas Mixtures for High Voltage Insulation

Ruben Stadler / SA 489
Setting up an Lightning Impulse Breakdown Experiment for Insulating Gases

Arnaud Schneuwly, Daniel Biek / GA 488
Platform to assess the effect of ns-pulsed electric fields on biological cells

Melissa Artiglia / SA 487
Modification of a Breakdown Experiment for Insulating Gases

Master Thesis

Cindy Karina / MA 341
Influence of the Humidity on the Electric Strength of Air

Brooke Spreen / MA 340
Analysis and Testing of an Adaptive Current Injection System for HVDC Circuit Breakers

Johanna Vorwerk / MA 339
Effect of Electric Field on Droplets Impacting Surfaces with Different Wettabilities

David Graber / MA 338
Setting Up and Controlling a Gas Discharge Experiment

Aldo Tobler / MA 337
Sine Voltage Modulation for improved power transmission capacity

Emil Walser / MA 336
Interruption Limits of Mechanical Circuit Breakers in Current Injection Topologies

Timo Stiefel / MA 335
Development of high current contacts for an Ultra Fast Disconnector for HVDC Circuit Breakers

Daniel Wackernagel / MA 334
FPGA Controller Development for Pulsed Current Source

Miriam Vonesch / MA 333
Gas Circuit Breaker Arc Voltage Under Different Flow Conditions

Semester -Group Thesis

Annik Jeizinger, Fabio Inderbitzin / GA 486
Investigation of Electrostatic Helicopter Charging

Manuela Luther, EPFL / SA 485
Evaluation of long-term Outdoor HVAC/HVDC Corona Test

David Carminati, Silvano Cortesi / GA 484
Audio-Modulated Solid-State Tesla Coil

Michel Schubiger / SA 483
Evaluation of new gas candidates for electrical insulation

André S. Eggli / SA 482
Implementation of an Automated Current Source Control System

Ognjen Stanojev / SA 481
Economical and Technical Benefit of a Hybrid HVAC/HVDC Line

Julia Glaus / SA 480
Design and Implementation of an Auxiliary Circuit to Adjust Pre-Charge Voltage of Current Injection HVDC Circuit Breakers Topologies

Verena Häberle / SA 479
Design and Implementation of a Two-Stage Injection Circuit for HVDC Circuit Breakers

Arnaud Bertoni / SA 478
Automation of Circuit Breaker Benchmark Tests

Aldo Tobler / SA 477
Calculation of Hybrid AC/DC Electric Fields and Audible Noise

Johannes Goedejohann / SA 476
Development of Highspeed Imaging Evaluation Methods for Arcs

Master Thesis

Emiliano Trodini / MA 332
Modelling the Electrical Signal in Spark Discharge Generators for Electrode Ablation Control

Patrik Herzog / MA 330
Analysis and optimization of current injection circuits for hybrid HVDC circuit breakers

Moritz Staub / MA 329
Discharges in detectors with environmental friendly gas mixtures

Benjamin Hammerich / MA 328
Improving the limit performance of mechanical circuit breakers in HVDC applications

Vincent Freiermuth / MA 324
Finding the limits of theoretical Arc Models

*****

Bachelor Thesis in co-operation with HEFR

Pierre-Alain Pilloud / Quentin Monney HEFR / DA 473
Experimental investigations on the Voltage Endurance of Polymeric Insulation Materials under Puls-Width-Modulated Medium Voltages

*****

Semester Thesis

Johannes Goedejohann / SA 475
Development of Highspeed Imaging Evaluation Methods for Arcs

Serjosha Robmann / SA 474
Thermal-mechanical simulation of OHL AAACClamp Geometry Optimization

Corentin Rouault / SA 472
Clamp Geometry Optimization

Luciano Bettinaglio / SA471
Literature Review on Achnor Clamps of OHL Conductors

John-Levy Nyberg / SA 470
Lightning Impulse Breakdown Tests

Miriam Vonesch / SA 469
Dark Currents in Gas-insulated HVDC Equipment

Michel Nagel, Manuel Kohli / GA 468
Construction and commissioning of an outdoor AC/DC corona test field

Daniel Wackernagel / SA 467
Assembly and Testing of an Audio-Modulated Solid-State Tesla Transformer

Xiang Li / SA 466
FEA of the wedge-clamp Mechanism of AAAC

Ivo Caduff / SA 465
Assessing hybrid AC-DC lines in the Swiss Energy System

Jael Keller / SA 464
Measurements of the electron swarm parameters of C4F7N

Kevin Lengauer / SA 463
Gas modeling for strongly detaching gases in C4F7N and O2

David Graber / SA 462
Humidity as an Influencing Factor in HVDC Substations

Felix Hoffmann / SA 461
Implementation of a Signal Acquisition System for High-Voltage Dielectric Spectroscopy

Brooke Spreen / SA 460
Investigation of discharge inception on W7-X superconductor joint insulation

Joé Goelff / SA 459
Limit Performance Evaluation of Mechanical Gas Circuit Breakers in HVDC Applications

Federia Bellizio /SA 458
Construction of a humidity control system for HVDC Insulation Tests

Cindy Karina / SA 457
Breakdown Experiments in N2-O2 Gas Mixtures

Master Thesis

Vincent Freiermuth / MA 324
Finding the Limits of Theoretical Arc Models

Alexander Heller / MA 322
Outdoor Measurement Concept for HVAC/HVDC Corona Effects

*****

Semester Thesis

Emil Walser / SA 456
Design and Implementation of a Semiconductor Making Switch in a Circuit Breaker Text Bench

Cédric Uschatz/Jonas Stamm/Robin Gadola / GA-SA 455
Entwicklung der Gate-Treiber Stufe für eine audiomodulierte Teslaspule

Timotheus Stiefel / SA 454
Current Sensing for Broad-Band High Voltage Dielectric Spectroscopy

Martin Baltzinger / SA 453
Comparing and Analyzing Results of DIC and ACT Measurements of an AAA-OHL-Conductor

Corentin Rouault / SA 452
Comparing and Analyzing Results of DIC and ACT Measurements of an AAA-OHL-Conductor

Alice Lépouzé / SA 451
Understanding the origin of ion currents from thin-film photocathode

Gabriel Voirol / SA 450
Design, production and testing of novel thin-film photocathodes for use in Pulsed-Townsend Experiments

Verena Häberle / SA 449
Characterization of Rotating Arcs in DC Disconnectors

Patrik Herzog / SA 448
Outdoor setup of hybrid AC/DC overhead test line

Julia Glaus/Manuel Kohli/Michel Nagel / GA-SA 447
Reduction of Corona Losses and Audible Noise of HVDC Overhead Lines

Martina Stadelmann / SA 446
Investigation and Modelling of HVDC Surface Charging

Julian Humml / SA 445
Simulation of Heated Supersonic Gas Flow in a Circuit Breaker Nozzle (** Bsc D-MAVT)

Lara Egli / SA 444
Design and Testing of Supersonic Nozzles for High Current DC Circuit Breakers

Moritz Staub / SA 443
Experiments and simulation on thermal-electrical behavior of the tension clamp assembly depending on grease layer

Matthias Vöhringer / SA 442
Simulation of Switching Operations in Multiterminal HVDC

Mingkun Liu / SA 441
Study of High Current Arcs in HVDC Circuit Breakers

Master Thesis

Moritz Vifian / MA 317
Electrical-Thermal-Mechanical Modeling of an Overhead-Line Conductor and Wedge Clamp

Viktor Lenz / MA 320
DC Current Breaking Solutions in HVDC Applications

*****

Semester Thesis

Ludovico Nati / SA 439
Upgrade of an Ion Flow Code for Hybrid Corona Simulation

Leonard Deuschle, Aaron Philipp / GA 440
Feasibility Study on the Use of Current Transformers in Dielectric Spectroscopy

Beat Stadler / SA 438
Development of a Mechanical Gas Circuit Breaker for HVDC Applications

Chenxi Wu / SA 437
Implementation of a Test Setup to Evaluate the Performance of Mechanical Switches for HVDC Circuit Breakers

Vincent Freiermuth / SA 436
High Bandwith Voltage-Divider for HVDC-CB Experiment

Ioannis Stavropoulos / SA 435
Inverse Modelling of HVDC Surface Charging

Antoine Gaillard / SA 434
Hybrid-effect of AC/DC transmission lines on audible noise

Jon Azurza Anderson / SA 428
Delelopment of an Outdoor Test Facility for overhead Power Lines

Haoyu Wang / SA 432
Investigation of Converter-Ripple in HVDC-GIS

Fadri Grünenfelder / SA 431
Investigation on space charge effects by coupling Monte Carlo simulation with a Poisson solver

Doris Ragna Meyer / SA 427
Calculation of the Critical Field Strength of Alternative Insulation Gases

Master Thesis

Ronny Steinhaus / MA 315
Abschätzen der elektrischen Festigkeit umweltfreundlicher Isoliergase

Julien Thomas / MA 313
Small Scale Testing of HVDC circuit breakers

Tim Schultz / MA 312
Verification an Application of Corona Models for Numerical Ion Flow Investigations in Hybrid HVAC / HVDC Field

Jonas Schmutz / MA 311
Investigations of Ion Current Coupling in Hybrid AC/DC Overhead Lines

Jonas Trüssel / MA 310
Entwicklung, Aufbau und Test einer Standard-Steuereinheit für die modularen Hochspannungs-Baukastenprüfanlagen des HVL

René Sonderegger / MA 309
Novel Test Method to Characterize Limit Performance of Power Electronic Switches

*****

Semester Thesis

Michiel Tavernier / SA 425
Investigation of the DC Corona Characteristics of Solid Rain Drop Models on Overhead Conductors

Stefan Johannes Franz / SA 425
Bus-Transfer Switching in HVDC GIS

Julian Böhler, Johannes Frick / GA 429
Doppel-Puls Prüfstand

Uros Markovic / SA 424
Development of an Outdoor Test Facility for Overhead Power Lines

Matthias Meier / SA 424
TeKaF - Analyse des Temperaturgradienten des Leiterseils innerhalb und in der Nähe der Abspannklemme

Daniel Schenk / SA 421
Analyse der räumlichen Relativbewegungen der Drähte vom Leiterseil in der Nähe der Abspannklemme

Loukas Theodolou / SA 423
Extension of a Laser-Speckle Technique for Curcuit Breaker Arc Imaging to Tow or More Beam Lines

Alexander Heller / SA 420
Investigation of Magnetically Driven Disconnector Arcs

Matthias Britt / SA 419
Development of a High Voltage Lowpass Filter

Remo Brühwiler / SA 418
Investigation of Rain Drop Formation and Corona Effects on HVDC Overhead Conductors

Viktor Lenz / SA 417
Bestimmung von Entladungsparametern in alternativen Isoliergasen

Moritz Vifian / SA 416
Simulation of VFTO in HVDC GIS

Oleg Valgaev / SA 415
Modeling of a Passive Resonance CB for HVDC Networks

Maike Ortibus / SA 415
Influence of Local Weather Conditions on OHL Temperature Distribution

Manuel Mühlebach, René Sonderegger / SA 414
Entwicklung eines automatisierten Messverfahrens für Korona-Einsatz-Spannungen und -Ströme an HGU Freileitungen

Tobias Wellerdieck / GA 503
Identification of time delays, characteristics field strengths and corona charges during partial discharge of SF6 in weakly inhomogeneous fields

Lei Yang / SA 413
Influence of OHL tension and current on radial temperature distribution

Thomas Guillod / SA 412
Simulation on AC/DC Hybrid Overhead Lines

Master Thesis

Seraina Buchmeier / MA 307
Aufbau und Messung von Koronaeinsatzspannung und-strömen an HVDC Freileitungen

David Gassner / MA 306
Experimental study of high current arcs during contact separation

Philipp Vogel / MA 305
Entwicklung eines kostengünstigen Strommesssystems für hohe DC- und AC-Ströme mit Hilfe des HOKA-Prinzips

Martin D. Pfeiffer / MA 304
Pole-to-Ground Fault in Multi-Terminal HVDC Networks

Moonjo Kang / MA 307
Influence of blow pressure and nozzle shape on HVDC circuit breakers

Jolanda Hell / MA 303
Theoretische und experimentelle Untersuchung der Wartezeit bei Durchschlagsversuchen in Abhängigkeit von der Durchschlagsspannung

Pascal Häfliger / MA 302
Automatisierte Messung der Schwarmparameter in Mischungen von Ar, N2, CO2 und SF6

*****

Semester Thesis

David Lehnen / SA 410
Entwicklung eines Programms zur effizienten Suche nach alternativen Isoliergasen

Ronny Steinhaus / SA 411
Zeitaufgelöste Teilentladungsmessungen bei phasengenauer X-Ray Triggerung

Jonas Trüssel / SA 409
Simulation von Temperaturgradienten in HVDC Epoxy Spacer

Andreas Ritter / SA 408
Disconnector and Earthing Switch Operation in HVDC GIS

Marcel Baumeler / SA 406
Aufbau, Inbetriebnahme und Programmierung einer Experimentsteuerung für Versuche mit dem Hochspannungsbaukastensystem

Rolf Christen, Andreas Jehle, Johannes Ritz, Manuel Widmer / GA 502
Gruppenarbeit PST Modell

D. Li / SA 405
Design and Testing of an Automatic Contact Resistance Measuring Device for Temperature Rise Tests

A. Brandenberger, D. Lu, P. Voser / GA 407
Strommessung an Satelliten-Plasmatriebwerk

*****

Bachelor Thesis in co-operation with HEFR

Yannick Brodard, Florian Cotting / DA EIA-FR
Dynamische Untersuchung der Leiterseiltemperaturen bei Lastsprüngen in Freileitungsnetzen

Michael Hebeisen / MA 300
Hochstromkreis für Temperaturmessungen an Freileitungsseilen

Sonya Konzak / MA 299
Dynamic Thermal Rating: An examination of the radial temperature distribution of overhead line conductors

Pascal Bühlmann / MA in cooperation with D-MAVT
Seilbelastung, Kabelklemme und Hochspannungsleitung

Roman Jenni, Jonas Schmutz / GA 203
Erdfehlerspannungen an Hochspannungs-Freileitungsmasten mit Erdseil

Daniel Rothmund / SA 404
Zeitgenaues Zünden und Löschen einer Funkenstrecke für einen Teslatransformator

Andreas Ritter / SA 401
Setup, Commissioning and Automation of a Pulsed DC Source

Pascal Häfliger / SA 402
Bau einer Hochspannungs-Durchführung

Eyüp Masyan / SA 400
Teilentladungsdiagnose für Mittelspannungsschalter

Andreas Ritter / GA 1106
Deterministic Sizing of the Frequency Bias Factor of Secondary Control

Guang Huang / MA 259
Electrical, Economical and Environmental Modeling of Overhead Lines and Cables

Michael Kellenberger / MA 259
Energy Storage with cost optimized energy supply of a single detached family house

Jolanda Hell / MA 262
Analysis of an Electrical Consumption Park with Hyprid Production: Combustion Turbine and Photovoltaic Installation and Battery

Raphael Bühler / MA 261
Modelling and Analysis of Commercial Heat Pump Compressor Motor Drives

Michael Leibl / SA 372
Bestimmung der Kennlinie und der Parameterfunktionen eines Lichtbogens zur Beobachtung von Einflussfaktoren

Mijamin Läubli / SA 371
Bau und Steuerung einer Anlage zur Gasdosierung

Matthias K. Bucher / MA 260
Optimum Integration of Renewable Energy Sources: Network or Storage ?

Marco Güttinger / MA 258
The Potential of Demand-Side Management and Vehicle-To-Grid for the City of Bern, Switzerland

Roger Wiget / MA 264
Shadowgraphy during High Power Interruptions

Jonathan Feller / MA 263
Wind Turbine Shaft Stress Reduction

I-V. Thanou / SA 361
Choosing a household's best option for energy and energy expenditure savings

Eirini Gerovasili / MA 257
Technical and Economic Analysis of Photovoltaic Systems in Greece

Th. Apostolou / SA 360
Analysis of a city quarter's energy supply options

Farzaneh Abbaspourtorbati / SA 358
Reducing GHG Emissions with Demand Side Management, Demand Response and Energy Storage

Samuel Hecht / SA 359
Thermische Modellierung eines Generatorstabes

Janev Vanco / MA 256
Parallel Computing of Dättwil's Energy Infrastructure