IEEE standards download IEEE Std C37.245-2018 pdf download – IEEE Guide for the Application of Protective Relaying for Phase-Shifting Transformers IEEE Std C37.245-2018 pdf download - IEEE Guide for the Application of Protective Relaying for Phase-Shifting Transformers. Under normal conditions the power flow split between the EHV and HV paths may be appropriate. However, it may be... 02-26 Download Now