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In fact, field intensity is well below the recommended value. The study is currently the most comprehensive ever carried out in this field.
SINTEF (Norwegian: Stiftelsen for Industriell og Teknisk Forskning) has led and participated in the research project, involving nine other European companies and research institutes.
Kari Schjølberg-Henriksen, a physicist at SINTEF said, “There is a good deal of public concern about exposure to magnetic fields. The subject crops up regularly in the media. With the number of electric-powered vehicles increasing, this project is very relevant.”
In addition to improving the public’s confidence when it comes to magnetic fields in electric cars, the goal of this project was primarily to create a standardized method for measuring electromagnetic fields in such vehicles. The International Commission on Non-Ionising Radiation Protection (ICNIRP) defines the limiting values of acceptable exposure to magnetic fields at different frequencies.
The intensity of magnetic fields in seven different electric cars, one hydrogen car and one petrol car were measured in order to ascertain whether they approach the recommended limiting values for human exposure. The measurements were carried out using real cars in a laboratory and during road tests.
The EU-funded research project EM Safety is the most comprehensive study yet carried out to identify different sources of magnetic fields in electric cars. Image Credit: Trondheim Kommune. Click image for the largest view.
The highest values in electric cars were measured near the floor, close to the battery itself and when starting the cars. In all cases, exposure to magnetic fields is lower than 20 per cent of the limiting value recommended by the ICNIRP. Measurements taken at head-height are less than 2 per cent of the same limiting value.
In the case of petrol and diesel powered cars, exposure was measured at around 10 per cent of the limiting value. In other words, there is little difference between electric cars and petrol and diesel cars.
Hence the conclusion is that magnetic fields in electric cars are well below the limiting values, and that there is a good safety margin.
“There is absolutely no cause for concern. The difference between this research and similar earlier work is that we have taken into account what contributes to the magnetic fields. The rotation of the wheels themselves generates considerable magnetic fields, irrespective of vehicle type,” Schjølberg-Henriksen points out.
The EU-funded research project EM Safety is the most comprehensive study yet carried out to identify different sources of magnetic fields in electric cars. Seven countries have been involved in the project, in which universities, the car industry, research institutions and laboratories are represented.
Good news indeed for those worried about such things. As if there was anything in this area to worry about to start with.
So we’re safe from magnetism in cars. And there is a standard for those wondering.
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Oddly enough, at the Retirement Home where I work on weekends, one of the residents called the Fire Dept after smelling strange gas-like smells in her garage. The Firemen swarmed in with CO2 detectors and found dangerous levels in her garage.
The CO2 was coming off the batteries of her golf cart! Her charger was overcharging them and they were giving off gas.
So, magnetic fields may be the least of your worries.
Edgard Romero Lazo
Research Shows Electric Cars Magnetic Fields Are Safe | New Energy and Fuel