Department of Engineering / Profiles / Mr Jun Ma

Department of Engineering

Mr Jun Ma MInstP, MIEE

jm2104

Jun Ma

Research Student

Academic Division: Electrical Engineering

Email: jm2104@eng.cam.ac.uk


Research interests

Electrical Engineering, Applied Superconductivity

Teaching activity

Supervisor for 3B4: "Electrical Drive System"

Demonstrator for "Electrical Transformer"

Biography

Research Topics:

(1) Multi-Physics modelling for HTS

(2) HTS Flux Pump

(3) HTS magnet

Key Publications:

[1] J. Ma. J. Geng, W. K. Chan, J. Schwartz, T. A. Coombs. (2020) A temperature-dependent multilayer model for direct current carrying HTS coated-conductors under perpendicular AC magnetic fieldsSuperconductor Science and Technology

[2] J. Ma, et al. (2020) Impact of the Stabilizer Layer on the Direct Current Carrying HTS Coated Conductors under Perpendicular AC Magnetic Fields. IEEE Transactions on Applied Superconductivity.

[3] J. Gawith, J. Ma, et al. (2019) An HTS power switch using YBCO thin film controlled by AC magnetic fieldSuperconductor Science and Technology32(9), p.095007.

[4] J. Ma, J. Geng, J. Gawith, and T. A. Coombs. (2019) "High-temperature superconducting (HTS) transformer-rectifier flux pump for powering no-insulation superconducting magnet with low characteristic resistance." Physica C: Superconductivity and its Applications, 560, 1-6.

[5] J. Ma, et al. (2019) Rotating Permanent Magnets Based Flux Pump for HTS No-Insulation CoilIEEE Transactions on Applied Superconductivity, 29 (5): 1-6.

[6] J. Ma, J. Geng, and T. A. Coombs. (2017) Flux pumping for non-insulated and metal-insulated HTS coils. Superconductor Science and Technology, 31(1), 015018.

[7] J. Ma, et al. (2016) Axial tension and overcurrent study on a type of mass-producible joint for ReBCO coated conductors. IEEE Transactions on Applied Superconductivity, 26(4), 1-5.

[8] J. Ma, et al. (2016) Experimental and Numerical Study of a DC Induction Heater Prototype With an Adjustable Air Gap Structure. IEEE Transactions on Applied Superconductivity, 26(4), 1-5.8

Department role and responsibilities