IEC 62478
Comparison with IEC 60270
Our company’s complete set of partial discharge sensor online monitoring equipment adopts the IEC 62478 standard
| IEC 60270 | IEC 62478 | |
| First announcement in 1968; Revised since 2000 | Publication date | First announcement since 2016 |
| Measured in terms of “quantity” | Standard | Measured in terms of “quality” |
| pC | Unit | mV or dBm |
| Need | Calibration | No need |
| Off-line (turn off the power) | Method | On-line (no need to turn off the power |
| Coupling capacitor） | Sensor | (HFCT)、（UHF）、（TEV） |
| Factory Testing; On-site test on a routine basis | Main use | 24 hours remote monitoring |
| Test if PD activities is acceptable with complicated process | Feature | Observe the trend of PD activities with simple proces |
