Knowledge Base

Auxiliary File Format

Latest Auxiliary File Format (within WebHelp)  – updated The list below are PDF documents with the format described. To save these files to your hard drive for easier viewing, right-click on the link and select “Save Target As …” or “Save Link As …”. Auxiliary File Format 22 – updated Auxiliary File Format 21 – updated   Auxiliary […]

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June 29, 2012

Efficient ATC Using Linear Methods

The presentation summarizes the methods used in Simulator ATC for calculating ATC values.  Follow this link to see the PowerPoint slides used for most of the presentation. At the end of the presentation, Simulator ATC was demonstrated.  Several screen shots are shown below which show the progression of what was covered.

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June 29, 2012

Enabling AGC control of ISO-NE in cases where it spans multiple islands

Auxiliary File: HighgateIsland.aux (Right-click on the above file and select Save Target As to save it to your computer.) In some Eastern Interconnect planning models, the ISO-NE area spans multiple islands that contain multiple areas. Some of its buses, loads, and generators are connected to the rest of the area through the Highgate AC-DC-AC link […]

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June 29, 2012

PTDF and Contingency Analysis of a New Transaction

Auxiliary File: Transaction.aux PowerWorld Case: B7OPF.pwb PowerWorld Oneline: B7OPF.pwd Output Files: PTDF.aux, BeforeTransactionCTGReport.txt, AfterTransactionCTGReport.txt (Right-click on the above files and select Save Target As to save them to your computer.) This script implements a large transaction from the left area to the top area of a seven-bus system and illustrates the effects of the transaction […]

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June 29, 2012

Profit Data and Market Power Scenarios

Auxiliary File: MarketPower.aux PowerWorld Case: B7OPF.pwb PowerWorld Oneline: B7OPF.pwd Output Files: ProfitData.aux (Right-click on the above files and select Save Target As to save them to your computer.) This script records generator profit data while increasing the bid of one generator and taking a nearby generator out of service. The auxiliary file contains five script […]

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June 29, 2012

Moving and Combining Generators and Comparing Power Flows

Auxiliary File: Move-Combine.aux PowerWorld Case: B7OPF.pwb PowerWorld Oneline: B7OPF.pwd Output Files: none (Right-click on the above files and select Save Target As to save them to your computer.) In this example we will use a script to combine and move generators in a seven-bus case. We will solve the power flow, move and combine some […]

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June 29, 2012

Adding Multiple Generators and Performing Contingency Analysis

Auxiliary File: NewGeneratorsCTG.aux PowerWorld Case: B7OPF.pwb PowerWorld Oneline: B7OPF.pwd Output Files: NewGeneratorContingencyReport.txt (Right-click on the above files and select Save Target As to save them to your computer.) In this example we add two generators to the case and then solve the power flow, run contingency analysis and produce a contingency analysis report. There are […]

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June 29, 2012

Use Spreadsheets to Create or Modify Model Objects

PowerWorld Simulator’s abilities can be extended to include all the power of a spreadsheet application such as Microsoft Excel or Corel Quattro Pro.  A simple example is presented here to get you started on this powerful feature. Consider the simple seven-bus system (B7FLAT.pwb) provided with the software. B7FLAT Sample Case One-Line Diagram We are going […]

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June 28, 2012

New Generation Study

Auxiliary File: NewGenStudy.aux PowerWorld Case: B7OPF.pwb PowerWorld Oneline: B7OPF.pwd Output Files: NewGenBefore.aux, NewGenAfter.aux, NewGenCTGBefore.txt, NewGenCTGAfter.txt (Right-click on the above files and select Save Target As to save them to your computer.) In this example we will add a new generator to a seven-bus system. We will first solve the power flow, run contingency analysis, calculate PTDFs, and save data to files. Then […]

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June 28, 2012

Contingency Analysis and Changing Data with Filters

Auxiliary File: CTG_Filters.aux PowerWorld Case: B7OPF.pwb PowerWorld Oneline: B7OPF.pwd Output Files: CTG_Filters_BeforeReport.txt, CTG_Filters_AfterReport.txt (Right-click on the above files and select Save Target As to save them to your computer.) A script can be used to perform contingency analysis. In this example we will perform contingency analysis on a 7-bus system and produce a report. Next, we will change some data […]

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June 28, 2012