Location:Bad Honnef, North Rhine-Westphalia, GermanyJob ID: R0104799Date Posted:2025-09-17Company Name:HITACHI ENERGY GERMANY AGProfession (Job Category):OtherJob Schedule: Full timeRemote:NoJob 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.Your responsibilities<ul><li>Model Development: Extend the water diffusion model to include spatially resolved moisture dynamics and additional influencing factors such as temperature gradients and oil aging</li><li>Diagnostic Criteria: Develop a practical criterion for evaluating water content in paper insulation under energized conditions</li><li>Voltage Behavior Analysis: Investigate how increased and non-uniform moisture distribution affects voltage response under impulse and switching conditions</li><li>Validation: Validate model improvements through simulations and comparison with Breakdown Voltage (BDV) tests using special wave shapes</li></ul>Your background<ul><li>Master’s student in Electrical Engineering, Power Systems, Applied Physics, or related fields</li><li>Strong foundation in modeling and simulation (e.g., MATLAB, Python, COMSOL)</li><li>Knowledge of dielectric materials and transformer insulation systems</li><li>Analytical and independent working style</li><li>Fluent in English; German is a plus</li></ul>What we offer<ul><li>Supervision by experienced R&amp;D professionals</li><li>Access to internal models, data, and simulation tools</li><li>Opportunity to contribute to cutting-edge transformer diagnostics</li><li>Potential for follow-up opportunities in research or engineering roles</li><li>switching conditions</li></ul><h2>Qualified individuals with a disability may request a reasonable accommodation if you are unable or limited in your ability to use or access the Hitachi Energy career site as a result of your disability. You may request reasonable accommodations by completing a <a href="https://www.hitachienergy.com/contact-us/general-inquiry?type=I+have+a+General+question">general inquiry form</a> on our website. Please include your contact information and specific details about your required accommodation to support you during the job application process.</h2><h2>This is solely for job seekers with disabilities requiring accessibility assistance or an accommodation in the job application process. Messages left for other purposes will not receive a response. </h2>

Hitachi Energy is a global technology leader that is advancing a sustainable energy future for all. We serve customers in the utility, industry and infrastructure sectors with innovative solutions and services across the value chain. Together with customers and partners, we pioneer technologies and enable the digital transformation required to accelerate the energy transition towards a carbon-neutral future. We are advancing the world&rsquo;s energy system to become more sustainable, flexible and secure whilst balancing social, environmental and economic value. Hitachi Energy has a proven track record and unparalleled installed base in more than 140 countries.

Master Thesis: "Enhancing Water Diffusion Modeling and Moisture Criteria for Energized Transformers" (f/m/d)

Location:Bad Honnef, North Rhine-Westphalia, GermanyJob ID: R0104799Date Posted:2025-09-17Company Name:HITACHI ENERGY GERMANY AGProfession (Job Category):OtherJob Schedule:&nbsp;Full timeRemote:NoJob Description:The opportunity Understanding the moisture dynamics in transformer insulation is critical for predicting aging, dielectric failure, and overall&nbsp; reliability. While recent models like the Thermo-Chemical Digital Twin offer advanced simulation capabilities, one of the main&nbsp; opportunities for improvement lies in the modeling non-uniform water distribution and its impact on voltage behavior under&nbsp; transient conditions. Additionally, no established criterion exists for evaluating water content in paper insulation under&nbsp; energized conditions.Your responsibilities<ul><li>Model Development: Extend the water diffusion model to include spatially resolved moisture dynamics and additional influencing factors such as temperature gradients and oil aging</li><li>Diagnostic Criteria: Develop a practical criterion for evaluating water content in paper insulation under energized conditions</li><li>Voltage Behavior Analysis: Investigate how increased and non-uniform moisture distribution affects voltage response under impulse and switching conditions</li><li>Validation: Validate model improvements through simulations and comparison with Breakdown Voltage (BDV) tests using special wave shapes</li></ul>Your background<ul><li>Master’s student in Electrical Engineering, Power Systems, Applied Physics, or related fields</li><li>Strong foundation in modeling and simulation (e.g., MATLAB, Python, COMSOL)</li><li>Knowledge of dielectric materials and transformer insulation systems</li><li>Analytical and independent working style</li><li>Fluent in English; German is a plus</li></ul>What we offer<ul><li>Supervision by experienced R&amp;D professionals</li><li>Access to internal models, data, and simulation tools</li><li>Opportunity to contribute to cutting-edge transformer diagnostics</li><li>Potential for follow-up opportunities in research or engineering roles</li><li>switching conditions</li></ul><h2>Qualified individuals with a disability may request a reasonable accommodation if you are unable or limited in your ability to use or access the Hitachi Energy career site as a result of your disability. You may request reasonable accommodations by completing a <a href="https://www.hitachienergy.com/contact-us/general-inquiry?type=I+have+a+General+question">general inquiry form</a> on our website. Please include your contact information and specific details about your required accommodation to support you during the job application process.</h2><h2>This is solely for job seekers with disabilities requiring accessibility assistance or an accommodation in the job application process. Messages left for other purposes will not receive a response.&nbsp;</h2>

Master Thesis: "Enhancing Water Diffusion Modeling and Moisture Criteria for Energized Transformers" (f/m/d)New

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