Objectives

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Objectives

Electro-mechanical System

To develop and characterise a power measurement unit for static wireless power transfer for on-board measurement with a relative uncertainty in the DC circuit of one part per thousand, the frequencies of the AC transmission being up to 100 kHz - 150 kHz and powers up to 200 kW.

To develop methods to determine the efficiency of a static wireless power transfer system with a relative uncertainty of one part per thousand and taking the relevant parameters, particularly airgap and misalignment between the coupled coils into account.

To define the requirements for a power measurement unit for dynamic wireless power transfer, identify the relevant parameters (e.g. traffic conditions, speed, vehicle dimensions, power converter state, coil configurations) and estimate their effect on the measurement of the power transferred to the vehicle and on the system efficiency.

Magnetic field exposure

To set up a system for traceable calibration of magnetic field meters and gradiometers for 10 kHz to 150 kHz and up to 100 uT and field gradients up to 100 uT/m with both sinusoidal and non-sinusoidal waveforms. The target expanded uncertainty for the system is 5 %.

To develop measurement protocols for the assessment of the human exposure to the electromagnetic fields generated by these technologies, in static and dynamic conditions, taking the compliance with the limits indicated by the guidelines of the International Commission on Nonionizing Radiation Protection (ICNIRP) into account.

To facilitate the take up of the technology and measurement infrastructure developed in the project by the measurement supply chain and end users and to provide metrology input and pre-normative research to the evolution of relevant international standards.