Keywords: wireless power transfer system model, near-field coupling,
high-frequency power system, resonant–inductive coupling, distributed
element model, linear air-core model, helical solenoid geometry, two-port
network, simultaneous conjugate matching, power transfer efficiency
Received 8 August 2014; accepted 9 July 2015
Address correspondence to Ms. Hema Ramachandran, Department of
Electrical Engineering, College of Engineering, Trivandrum,
Thiruvananthapuram, Kerala, India, 695025.
E-mail:hemaachuth@gmail.com
Color versions of one or more of the figures in the article can be found online
at www.tandfonline.com/uemp.