Methods for inferring junction temperature in IGBT inverters

Eligibility: UK/EU graduates with the required entry requirements

Funding details: Bursary plus tuition fees (UK/EU)

Duration: Full-Time – between three and three and a half years fixed term

Application deadline: 31st July 2020

Interview date: Will be confirmed to shortlisted candidates

Start date: September 2020

For further details contact: Dr Ke Li

Introduction

Coventry University is inviting applications from suitably-qualified graduates for a fully-funded PhD studentship. This is an exciting opportunity in cutting-edge research of power electronics on-line condition monitoring using innovative methods. The project is in close collaboration with industrial partner FEV.

About the project

With high current conduction capability, Si-IGBT power module plays a particularly important role in EV motor drive.

Understanding power semiconductor device junction temperature when device is under operation is essential to monitor device chip and power module health state, which is further important for condition monitoring and health management of EV based power electronics systems. Using device temperature sensitive electrical parameters (TSEP) is an alternative solution to estimate device junction temperature. As it is based on electrical methods, it has the advantage such as fast response, accuracy and flexibility, which offers huge potential to be widely used in EV for on-line condition monitoring.

In this project, IGBT on-line junction temperature estimation based on TSEP will be studied and implemented in EV powertrain. A power converter control strategy will then be studied with the objective to enhance power module lifetime for automobile application. The PhD project will be based at Centre for Advanced Low-carbon Propulsion System (C-ALPS), Coventry University and with close industry support from FEV.

Funding 

Fully-funded project with industrial collaborator. This includes fees covered and monthly tax-free stipend as well as consumables and travel/conferences budget.

Benefits

The successful candidate will receive comprehensive research training including technical, personal and professional skills.

All researchers at Coventry University (from PhD to Professor) are part of the Doctoral College and Centre for Research Capability and Development, which provides support with high-quality training and career development activities. 

The successful candidate will also have an exciting opportunity to acquire power electronics skills in both software and hardware operation and acquire research and development experience in both the research institute and industry.

Entry requirements

  • A minimum of a 2:1 first degree in a relevant discipline/subject area with a minimum 60% mark in the project element or equivalent with a minimum 60% overall module average. 
    PLUS 
    the potential to engage in innovative research and to complete the PhD within a 3.5 years
  • a minimum of English language proficiency (IELTS overall minimum score of 7.0 with a minimum of 6.5 in each component)
Additionally
  • Having fundamental knowledge of power semiconductor devices and power electronics converters
  • Having experience of one or more of the following software: Spice-type (LTSpice, PSpice etc.), PLECS, Matlab, Optimisation tool
  • Having experience of working in a lab

How to apply

All applications require full supporting documentation, a covering letter, plus a 2000-word supporting statement showing how the applicant’s expertise and interests are relevant to the project. 

Apply to Coventry University