2019 Revisions Include: · Online Partial Discharge Survey for Switchgear · Frequency of Power Systems Studies · Frequency of Maintenance Matrix · New Table 100.4.5 Suggested Limits for Continued Use of In-Service Natural Ester Liquids · New Table 100.6.4.DAC Test Voltage Levels (20 Hz to 500 Hz) as used for Maintenance Testing (50 DAC excitations) of Repaired or Refurbished Power Cables · New Tables 100.23 Online Partial Discharge Survey for Switchgear
2015 Revisions Include: · New numbering system for more accurate referencing · Protective relays · Instrument transformers · Rotating Machinery · New Table 100.11 Insulation Resistance Test Values for Rotating Machinery for One Minute at 40C · Revised Table 100.1 Insulation Resistance Test Values, Electrical Apparatus and Systems Other Than Rotating Machinery · Updated references to industry standards
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