Standards We Provide. I EC Power transformers -Temperature rise. Description. Superseded dateLanguage (s): EnglishFrench. Ronald F. Clayton [email protected] AddressColby This standard applies to the following types of reactors: shunt reactors, current-limiting reactors including neutral-earthing reactors, damping reactors, tuning (filter) reactors, earthing transformers (neutral couplers), arc-suppression reactors, smoothing reactors, with the exception of the following reactors: small reactors