Article
- January 31, 2018

When performing the Sentinel HASP Run-time Installation, you may receive a Status Code 48 5 832 1053 error. This error indicates that the license manager service was unable to start.

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"Error when starting the Sentinel License Manager Service" Message (Status Code 48 5 832 1053)

Article
- January 31, 2018

When performing the Sentinel HASP Run-time Installation, you may receive a Status Code 48 5 832 1053 error. This error indicates that the license manager service was unable to start.

Modeling Single Phase Systems in EasyPower

Article
- January 31, 2018

This article describes how to use EasyPower to calculate short circuit current for single-phase tap-off transformers attached to a 3-phase system.

Calculating Arc Flash Incident Energy using IEC Short Circuit Currents

Article
- February 16, 2018

This topic provides steps to calculate arc flash incident energy in EasyPower using IEC short circuit currents.

Calculating Current Limiting Reactor Size in EasyPower

Article
- January 31, 2018

This article illustrates how to calculate the size of a current-limiting reactor using calculated fault current.

IEC Short Circuit Impedance Correction Factors

Article
- February 1, 2018

EasyPower applies impedance correction factors in short circuit calculations based on the IEC-60909-0 standard.

Modeling Differential Relays in EasyPower

Article
- January 29, 2018

Differential relays are not explicitly modeled in EasyPower, but you can use the method described below to include differential functionality for arc flash hazard calculations. The arc flash module automatically calculates trip times for device functions ...

How Does EasyPower Calculate Utility Impedance Values in Short Circuit Analysis?

Article
- January 31, 2018

EasyPower considers the source impedance when performing a short circuit analysis.

Modeling Impedance Grounding at Buses in EasyPower

Article
- March 5, 2018

This article provides step-by-step guidance on how to model impedance grounding at the bus in EasyPower using zig-zag transformers.

Two-winding Transformer Phase Shift in IEC Short Circuit

Article
- February 1, 2018

For two winding transformers, EasyPower supports phase shifts of 30, 90, 150, 210, 270, and 330 degrees [as per IEC 60076-1 p. 35-37]. IEC uses a “clock number notation” system. In that system, 1,3,5,7,9 and 11 correspond to 30, 90, 150, 210, 270 and 330 ...

The Difference Between IEC Short Circuit Peak Method B and C Calculations

Article
- February 1, 2018

A comparison of the different methods of calculating peak currents.