[Micele]

Oorspronkelijk geplaatst door Jantje

Op dit ogenblik is er enkel dicht bij de hoogspanningslijnen een grote hoeveelheid magnetisme.

Ik vroeg enkel wat de mogelijke gevolgen zijn van de grote hoeveelheid stroom die moet getransporteerd worden als men alles wat niet met verbranding gebeurd, elektrisch gaat laten gebeuren.

Wat met de gevolgen de hoeveelheid magnetisme die word opgewekt door het gebruik van electomotoren.
Wat met alle niet herbruikbare onderdelen van die toestellen.

En de vragen moeten gesteld worden, want het is toch niet de bedoeling om de pest te vervangen door cholera.
Die paar E-voertuigen die er nu rondrijden zullen niet direct een invloed hebben, maar in de toekomst zal het om enkele miljoenen voertuigen, werktuigen en verwarmingstoestellen gaan.

Wat baten
kaars en bril
als de uil
niet lezen wil

Zelfs de vragen
niet beantwoorden wil

Uw huiswerk is dus bijlange niet af... lekker vaag blijven kun je goed hé, kun je eens een concreet vb geven van apparaten in de leefomgeving die niet genormd zijn?

Electrische voertuigen GEVEN ongeveer evenveel EMF af als fossiele voertuigen, het hangt er natuurlijk ook vanaf hoelang men ermee rijdt.

DAT IS
WETENSCHAPPELIJK
ONDERZOCHT
EN GEMETEN
DE GROOTTEORDE IS ONGEVEER
0.6 - 3 MICROTESLA DUS VER ONDER DE NORM!

BRON: >>>> http://www.saferemr.com/2014/07/shou...ars-be-re.html


Electric and magnetic fields <100 KHz in electric and gasoline-powered vehicles

Tell RA, Kavet R. Electric and magnetic fields <100 KHz in electric and gasoline-powered vehicles. Radiat Prot Dosimetry. 2016 Dec;172(4):541-546.

Abstract
Measurements were conducted to investigate electric and magnetic fields (EMFs) from 120 Hz to 10 kHz and 1.2 to 100 kHz in 9 electric or hybrid vehicles and 4 gasoline vehicles, all while being driven. The range of fields in the electric vehicles enclosed the range observed in the gasoline vehicles. Mean magnetic fields ranged from nominally 0.6 to 3.5 µT for electric/hybrids depending on the measurement band compared with nominally 0.4 to 0.6 µT for gasoline vehicles. Mean values of electric fields ranged from nominally 2 to 3 V m-1 for electric/hybrid vehicles depending on the band, compared with 0.9 to 3 V m-1 for gasoline vehicles. In all cases, the fields were well within published exposure limits for the general population. The measurements were performed with Narda model EHP-50C/EHP-50D EMF analysers that revealed the presence of spurious signals in the EHP-50C unit, which were resolved with the EHP-50D model.
https://www.ncbi.nlm.nih.gov/pubmed/26769905

IN januari 2014 heeft men richtlijnen qua kabel- motor en batterijdesign uitgevaardigd om deze EMF-waardes nog eens te reduceren. Dit voor de scbrikscheiters emn mensen met electrofobieverschijnselen. Men zit er namelijk bovenop, ook als passagier.

Design guidelines to reduce the magnetic field in electric vehicles

SINTEF, Jan 6, 2014

Based on the measurements and on extensive simulation work the project arrived on the following design guidelines to, if necessary, minimize the magnetic field in electric vehicles.

Cables

For any DC cable carrying significant amount of current, it should be made in the form of a twisted pair so that the currents in the pair always flow in the opposite directions. This will minimise its EMF emission.
For three-phase AC cables, three wires should be twisted and made as close as possible so as to minimise its EMF emission.
All power cables should be positioned as far away as possible from the passenger seat area, and their layout should not form a loop. If cable distance is less than 200mm away from the passenger seats, some forms of shielding should be adopted.
A thin layer of ferromagnetic shield is recommended as this is cost-effective solution for the reduction of EMF emission as well EMI emission.
Where possible, power cables should be laid such a way that they are separated from the passenger seat area by a steel sheet, e.g., under a steel metallic chassis, or inside a steel trunk.

Motors

Where possible, the motor should be installed farther away from the passenger seat area, and its rotation axis should not point to the seat region.
If weight permits, the motor housing should be made of steel, rather than aluminium, as the former has a much better shielding effect.
If the distance of the motor and passenger seat area is less than 500mm, some forms of shielding should be employed. For example, a steel plate could be placed between the motor and the passenger seat region
Motor housing should be electrically well connected to the vehicle metallic chassis to minimise any electrical potential.
Inverter and motor should be mounted as close as possible to each other to minimise the cable length between the two.

Batteries

Since batteries are distributed, the currents in the batteries and in the interconnectors may become a significant source for EMF emission, they should be place as far away as possible from the passenger seat areas. If the distance between the battery and passenger seat area is less than 200mm, steel shields should be used to separate the batteries and the seating area.
The cables connecting battery cells should not form a loop, and where possible, the interconnectors for the positive polarity should be as close as possible to those of the negative polarity.

http://bit.ly/1qw29Tb