Knowledge Base

Add GIC-Related Object Data Fields to Displays

This auxiliary file (updated October 4, 2022) will modify Case Information Displays for the following objects to include GIC-related data fields: Bus Generator Load Branch Inputs Transformer Controls Switched Shunts Line Shunts Substation DC Transmission Line MTDC Converters VSC DC Lines This enables easy viewing, editing, and sharing of GIC-related data between Simulator users, without […]

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October 4, 2022

3D File Format for GMD/HEMP Event Inputs

The B3D binary file format uses little-endian order and holds two-dimensional, time-varying data such as electric fields on the surface of the earth. Because the magnitude and direction can be non-uniform in time and space, it can be used where a 3D earth resistivity model is assumed. Applications in PowerWorld Simulator include geomagnetic disturbance (GMD) […]

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January 31, 2022

Induction Motor Modeling and Progressive Tripping and Reconnecting

The WECC MVS Load Meeting on August 10, 2021 was held via online web conference.  Jamie Weber of PowerWorld Corporation presented several topics on induction motor modeling and progressive tripping reconnecting.  Link to these presentations are as follows. Three Phase Induction Machine Model History Phasor Model of Single Phase Induction Motor Model INDMOT1P model documentation […]

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August 11, 2021

N-1-1 Contingency Scenario ATC Analysis

The ATC analysis in Simulator can include a set of contingencies defined in the contingency analysis tool during the ATC calculation.  The key is getting that list of contingencies defined for the N-1-1 contingencies.  Each contingency will have 2 actions defined, which Simulator will evaluate for outages when calculating the sensitivities used for the ATC […]

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March 3, 2021

Bus DC Loss Multiplier Setup

This auxiliary file may be used to set the Bus DC Loss Multiplier field based on the losses in each bus’s Area, Zone, or the Entire Case. Script statements are included for each of these three options. Please open the file in a text editor and place the comment string “\\” in front of those […]

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February 22, 2021

Synchronous Machine Theory: New GENQEC Model

PowerWorld Director of Software Development gave a presentation at the WECC MVWG meeting in Salt Lake City on November 21, 2019. This presentations gives a very detailed theoretical look at where the synchronous machine numerical model comes from. Synchronous Machines Theory The presentation was given to provide background on where the need for a new […]

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November 20, 2019

Aux Export Format Description for GIC Data

This auxiliary file (updated April 20, 2020) creates an Auxiliary File Export Format Description for Geomagnetic Induced Current (GIC) related data. The data include, but are not limited to, earth model geographic region definitions, GIC Options, GMD storm inputs, and power system object parameters such as geographic location, DC resistance, and transformer configuration and core […]

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November 13, 2019

Voltage Setpoint Tolerance

This article discusses a new feature that will be available in PowerWorld Simulator 21 when it released in 2019.  If you are a customer of PowerWorld Simulator who is interested in testing the feature before Simulator 21 is released, please contact PowerWorld Corporation at PowerWorld Simulator 21 will have a new field associated with […]

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January 30, 2019

NERC Book of Flowgates

A spreadsheet template for importing interfaces from the NERC Book of Flowgates (2018 edition) may be downloaded here. To use the spreadsheet: Place the original data from the NERC Book of Flowgates in the gray shaded region (columns A through AE, beginning with the column headers in row 2.) Add additional rows as needed. Copy […]

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December 3, 2018