Master Thesis: "Enhancing Water Diffusion Modeling and Moisture Criteria for Energized Transfor[...]

H-E Parts; Bad Honnef; Vor Ort; EUR 25.000 - 35.000; Vollzeit

Zusammenfassung

A leading energy solutions company in Bad Honnef seeks a Master's student to model moisture dynamics in transformer insulation. Responsibilities include developing diagnostic criteria, analyzing voltage behavior, and validating model improvements. Candidates should excel in modeling and simulation with a strong background in electrical engineering. This role offers mentorship from R&D professionals and opportunities for further engagement in research or engineering.

Leistungen

Supervision by experienced R&D professionals

Access to internal models and simulation tools

Opportunity for follow-up roles in research or engineering

Qualifikationen

• Master’s student in Electrical Engineering, Power Systems, Applied Physics, or related fields.
• Strong foundation in modeling and simulation.
• Fluent in English; German is a plus.

Aufgaben

• Extend the water diffusion model to include spatially resolved moisture dynamics.
• Develop a practical criterion for evaluating water content in paper insulation.
• Investigate how non-uniform moisture distribution affects voltage response.
• Validate model improvements through simulations and BDV tests.

Kenntnisse

Modeling

Simulation

Analytical skills

English proficiency

Knowledge of dielectric materials

Ausbildung

Master’s degree in Electrical Engineering or related fields

Tools

MATLAB

Python

COMSOL

Jobbeschreibung

Overview

Location: Bad Honnef, North Rhine-Westphalia, Germany

Job ID: R0104799

Date Posted: 2025-09-17

Company Name: HITACHI ENERGY GERMANY AG

Profession (Job Category): Other

Job Schedule: Full time

Remote: No

Job Description: The opportunity

Understanding the moisture dynamics in transformer insulation is critical for predicting aging, dielectric failure, and overall reliability. While recent models like the Thermo-Chemical Digital Twin offer advanced simulation capabilities, one of the main opportunities for improvement lies in the modeling non-uniform water distribution and its impact on voltage behavior under transient conditions. Additionally, no established criterion exists for evaluating water content in paper insulation under energized conditions.

Responsibilities

• Model Development: Extend the water diffusion model to include spatially resolved moisture dynamics and additional influencing factors such as temperature gradients and oil aging
• Diagnostic Criteria: Develop a practical criterion for evaluating water content in paper insulation under energized conditions
• Voltage Behavior Analysis: Investigate how increased and non-uniform moisture distribution affects voltage response under impulse and switching conditions
• Validation: Validate model improvements through simulations and comparison with Breakdown Voltage (BDV) tests using special wave shapes

Qualifications

• Master’s student in Electrical Engineering, Power Systems, Applied Physics, or related fields
• Strong foundation in modeling and simulation (e.g., MATLAB, Python, COMSOL)
• Knowledge of dielectric materials and transformer insulation systems
• Analytical and independent working style
• Fluent in English; German is a plus

What we offer

• Supervision by experienced R&D professionals
• Access to internal models, data, and simulation tools
• Opportunity to contribute to cutting-edge transformer diagnostics
• Potential for follow-up opportunities in research or engineering roles

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