: Steps for applying voltage, measuring the radio noise generated by partial discharges, and determining the "visible discharge" threshold. Atmospheric Correction
Standard tests are conducted at 0.5 MHz or 1.0 MHz . However, alternative frequencies between 0.5 MHz and 2.0 MHz may be used if agreed upon. iec 60437 pdf
Note: Many agencies offer a "Multi-user PDF" or "Hardcopy + PDF" bundle at a higher cost. For a single engineer, the single-user PDF (watermarked) is sufficient. : Steps for applying voltage, measuring the radio
This guide provides a comprehensive overview of , officially titled "Radio interference test on high-voltage insulators." : Steps for applying voltage