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Protective Device Coordination

We Offer Arc Flash Risk Assessment in all 50 States!

EDS can provide Protective Device Coordination Analysis in accordance with IEEE std 242-2001; Recommended Practice for Protection and Coordination of Industrial and Commercial Power Systems (Buff Book), and in accordance IEEE std 399-1997; Recommended Practice for Industrial and Commercial Power Systems Analysis (Brown Book). Coordination time-current characteristic curves are prepared to determine the required settings/sizes of the protective devices to maximize selectivity and safety with Arc Flash Hazards in mind.

The coordination curves are prepared on log-log paper to illustrate adequate clearing times of devices. The curves depict actual protective devices installed, based upon Easypower’s® device library of manufacture curves, in order to ensure proper coordination.

Curve Sheets Shall Contain, But Not Be Limited To, The Following:

  • Device Identification and associated settings/size
  • Current multiplier
  • Cable insulation damage curves
  • Single line for the portion of the system
  • Voltage at which curves are plotted
  • ANSI frequent fault damage curve
  • ANSI frequent fault damage curve
  • Motor Starting Profiles (Where Applicable)

Specialization

EDS specializes in many different aspects of electrical training and engineering.

Affordable Price

All training courses are available in affordable prices.

Free Estimation

To get a free no obligation quote, please email us your details or call us and we will get back to you the same day.