Real-world measurements on wireless-power-transfer designs

September 21, 2015 // By Graham Prophet
Keysight Technologies has introduced wireless power transfer software, that provides real-time power transfer efficiency measurements, accurately characterising wireless power transfer devices; measuring power transfer efficiency in real time; and testing to wireless power transfer standards

The wireless power transfer analysis option is for Keysight’s E5072A, E5061B, and E5063A ENA series network analysers, enabling those instruments to address the needs of emerging wireless power transfer (WPT) markets.

A key factor in designing WPT devices is the performance of the power transfer efficiency between coupled coils and resonators, leading to need to characterise these components and measure power transfer efficiency in real-time. Keysight’s new WPT analysis option provides that capability with its arbitrary load impedance setting.

Keysight adds, “Performing this testing according to wireless power transfer standards is just as critical. With [the] software option for the ENA Series analysers, Keysight becomes the only vendor to provide WPT analysis software for a vector network analyser. For today’s product integrators, component manufacturers and test centres, this new software option means they now have the functionality needed to properly test their WPT devices and wireless charging systems.”

A feature of the WPT analysis software is its ability to enable E5072A, E5061B and E5063A ENA Series network analyser users to perform advanced 2D/3D simulation. Doing so allows them to visualise the dependency of load impedance in wireless power transfer systems.