A practical basis is provided for the selection of voltage and current tests to be applied in evaluating the surge withstand capability of equipment connected to utility power circuits, primarily in residential, commercial, and light industrial applications. The recommended practice covers the origin of surge voltages, rate of occurrence and voltage levels in unprotected circuits, waveshapes of representative surge voltages, energy and source and impedance. Three locations categories are defined according to their relative position from the building service entrance. For each category, representative waveforms of surge voltages and surge currents are described, organized in two recommended standard waveforms and three suggested additional waveforms.
- Standard Committee
- PE/SPDLV - Surge Protective Devices/Low Voltage
- Status
- Superseded Standard
- Superseding
- C62.41-1980
- Board Approval
- 1991-02-25
- History
-
- ANSI Approved:
- 1991-09-06
- Published:
- 1991-10-11
- Reaffirmed:
- 1995-06-14
Working Group Details
- Society
- IEEE Power and Energy Society
- Standard Committee
- PE/SPDLV - Surge Protective Devices/Low Voltage
- Working Group
-
LV3.6.4 - 3.6.4 Surge Characterization on LV Circuits WG
- IEEE Program Manager
- Christian Orlando
Contact Christian Orlando - Working Group Chair
- Douglas Dorr
Other Activities From This Working Group
Current projects that have been authorized by the IEEE SA Standards Board to develop a standard.
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.
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