High temperature superconductor (HTS) devices could help the EU reduce its CO2 emissions by up to 52 million tonnes, equivalent to 65 per cent of its Kyoto Protocol commitment.
Teemu Hartikainen, Jorma Lehtonen and Risto Mikkonen from Tampere University of Technology, Finland have worked out how much European GHG emissions would be reduced if these devices were introduced. Their findings are published today (23 July) in the Institute of Physics journal Superconductor Science and Technology.
Using HTS in motors improves their efficiency so machines use up less electrical energy, thus reducing the GHG emissions from electricity production. HTS devices can approximately halve power losses, as superconducting materials – unlike conventional devices – have practically no resistance, which is the property which causes energy to be wasted as excess heat. However, superconductors need to be kept cold so use up energy in refrigeration.
Michelle Cain | Institute of Physics
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