@article{article, title = {{Investigation on Operational Envelops and Efficiency Maps of Electrically Excited Machines for Electrical Vehicle Applications}}, publisher = {{Institute of Electrical and Electronics Engineers (IEEE)}}, url = {{}}, year = {{2015}}, month = {{4}}, author = {{Chu WQ and Zhu ZQ and Jian Zhang and Xu Liu and Stone DA and Foster MP}}, doi = {{10.1109/tmag.2014.2359008}}, volume = {{51}}, journal = {{IEEE Transactions on Magnetics}}, issue = {{4}}, pages = {{1-10}}, note = {{Accessed on 2025/05/15}}}