IEEE Std 1732 pdf download IEEE Recommended Practice for Space Charge Measurements on High- Voltage Direct-Current Extruded Cables for Rated Voltages up to 550 kV The space charge measurement methods recommended for space charge measurements on high-voltagedirect-current (HVDC) extruded cables for rated voltages up to 550 kV are the following: a)The pulsed electro-acoustic(PEA) method b)The thermal step method (TSM) For...