ARLA/CLUSTER: ARRL considera prematura uma petição a alertar contra a possivel poluição RF gerada por dispositivos "Wireless Power Transfer for Electric Vehicles (WPT-EV) "

[João Costa > CT1FBF]

ARRL says manufacturers’ WPT-EV petition is premature

ARRL is opposing a Petition for Rulemaking by some vehicle manufacturers
which could result in pollution of the precious radio spectrum by Wireless
Power Transfer for Electric Vehicles (WPT-EV)

Their post says:
ARRL is opposing a Petition for Rulemaking (RM-11815) by several vehicle
manufacturers that calls on the FCC to “adopt field strength limits in
Section 18.305 that will allow higher power wireless charging technologies
operating in the 79 – 90 kHz range� to accommodate what the petitioners
call “next-generation� wireless power transfer for electric vehicles
(WPT-EV).

Comments filed on October 29 by ARRL contend that the petition is “woefully
incomplete and inadequate� in its analysis of consequent out-of-band
emissions from WPT-EV systems in the low- and medium-frequency ranges using
upward of 11 kW of power. Given the high power levels, ARRL said harmonic
emissions from WPT-EV systems could be appreciable, with the AM Broadcast
Band and Amateur Radio as potential interference victims. “Interference
potential from intentional radiators requires substantial evaluation,� ARRL
asserted in its remarks.

The issue of WPT-EV is a World Radiocommunication Conference 2019 (WRC-19)
agenda item, for which studies are still under way. The Petition “quite
obviously prejudges the outcome of WRC-19 Agenda Item 9.1.6,� ARRL said,
stressing that the Petition is simply premature at this point.

Read the full ARRL story at
http://www.arrl.org/news/view/arrl-says-manufacturers-wireless-power-transfer-for-electric-vehicles-petition-is-premature

Petition for Rulemaking RM-11815
https://ecfsapi.fcc.gov/file/
1090576720580/
Wireless%20Charging
%20Petition%20for%20RM.pdf
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