This is a guide describing the surge voltage, surge current, and temporary overvoltage (TOV) environment in low voltage [up to 1000 V root mean square (rms)] ac power circuits. This scope does not include other power disturbances, such as notches, sags, and noise. The surges considered in this guide do not exceed one-half period of the normal mains waveform (fundamental frequency) in duration. They can be periodic or random events and can appear in any combination of line, neutral, or grounding conductors. They include surges with amplitudes, durations, or rates of change sufficient to cause equipment damage or operational upset. While surge protective devices (SPDs) acting primarily on the amplitude of the voltage are often applied to divert the damaging surges, the upsetting surges may require other remedies. The rationale for including a description of TOVs in this guide on the surge environment is given in the purpose clause.
- Sponsor Committee
- PE/SPDLV - Surge Protective Devices/Low Voltage
Learn More About PE/SPDLV - Surge Protective Devices/Low Voltage - Status
- Active PAR
- PAR Approval
- 2019-06-13
- Superseding
- C62.41.1-2002
Working Group Details
- Society
- IEEE Power and Energy Society
Learn More About IEEE Power and Energy Society - Sponsor Committee
- PE/SPDLV - Surge Protective Devices/Low Voltage
Learn More About PE/SPDLV - Surge Protective Devices/Low Voltage - Working Group
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LV3.6.4 - 3.6.4 Surge Characterization on LV Circuits WG
- IEEE Program Manager
- Christian Orlando
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- Douglas Dorr
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PC62.41.2
Recommended Practice on Characterization of Surges in Low-Voltage (1000 V and less) AC Power Circuits
The scope of this recommended practice is to characterize the surge environment at locations on ac power circuits described in IEEE Std C62.41.1 by means of standardized waveforms and other stress parameters. The surges considered in this recommended practice do not exceed one half-cycle of the normal mains waveform (fundamental frequency) in duration. They can be periodic or random events and can appear in any combination of line, neutral, or grounding conductors. They include surges with amplitudes, durations, or rates of change sufficient to cause equipment damage or operational upset. While surge protective devices (SPDs) acting primarily on the amplitude of the voltage or current are often applied to divert the damaging surges, the upsetting surges might require other remedies.
PC62.41.4
Recommended Practice on Surge Testing for Equipment Connected to Low-Voltage (1000 V and less) AC Power Circuits
This recommended practice defines recommendations for surge testing performance of surge testing on electrical and electronic equipment connected to low-voltage ac power circuits, specifically using the recommended test waveforms defined in IEEE Std C62.41.2. Nevertheless, these recommendations are applicable to any surge testing, regardless of the specific surges that may be applied.
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