creating and using study cases in digsilent powerfactory. case p.m. anderson 9 bus

Dr. Francisco M. Gonzalez-Longatt, [email protected] .Copyright © 2009 1/23

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Francisco M. Gonzalez-Longatt, Dr.ScManchester, UK, September, 2009

Exercise:Creating and Using Study Cases P.M. Anderson 9 bus


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This tutorial describes how to create a Study case forsimulations of the dynamic behavior of P.M. Anderson 9bus test system.

Exercise:Creating and Using Study Cases P.M. Anderson 9 bus

Francisco M. Gonzalez-Longatt, [email protected]

Manchester, September 2009


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1. Introduction


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1. Introduction• Study Cases (IntCase, ) define the studies to be

performed in the modeled system.• Study Case store all the definitions created by the user

to perform calculations.• These allowing the easy reproduction of results even

after the deactivation of the project.

Case base

Study case 1

Study case 2

Study case N

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Study Cases allow perform network studies, including load-flow, various short-circuits, time-dependant simulations, etc.


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1. Introduction• PowerFactory allow use of the objects stored inside

them objects to recognize:• The parts of the network model (grids and

expansion stages) to be consider for calculation.• The calculations (and their settings) to be

performed over the selected parts of the network.• The study time.• The active variations.• The active operation scenario.• The calculation results to be stored for reporting.• The graphics to be displayed during the study


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1. Introduction• A study case with a reference to at least one grid or

expansion stage has to be activated in order to enablecalculations.

Expansion stage

Expansion


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1. Introduction• A project that contains more than one grid, which has

several expansion stages for design alternatives, orwhich uses different operation scenarios to model thevarious conditions under which the system shouldoperate, requires multiple study cases.

• All the study cases of a project are stored inside the'Study Cases' folder ( ) in the project directory.


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2. Creating a study case


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2. Creating and Using Study Cases • Open the Data Manager and go to the Study Cases

folder.

Load flow Study Case was previously defined


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2. Creating and Using Study Cases • Right-click the folder and select New --> Study Case

from the context sensitive menu.


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2. Creating and Using Study Cases • Enter the name of the new case in the dialogue that pos

up and edit (if required) the default settings.

Dynamic Study Case


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2. Creating and Using Study Cases • A new Study Case is developed:

Before After


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2. Creating and Using Study Cases • Only one study case can be active at any time.• To (de)activate a study there are two ways:1. Using 'Current Study Case' window

2. Using Data Manager:


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2. Creating and Using Study Cases • To (de)activate a study case go to the main toolbar and

use 'Current Study Case' window

Initially the Study Case is empty, without network


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2. Creating and Using Study Cases • To (de)activate a study case go to the Data Manager.• To activate a dormant study case place the cursor on its

name, right-click and choose Activate


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2. Creating and Using Study Cases • A study case can have more than one grid.

• Only the objects in the active grids will be regarded inthe calculations.

Study Case

Network 1 Network 2


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2. Creating and Using Study Cases • Open the data manager and go to the Network Data

folder.


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2. Creating and Using Study Cases • Right-click the grid you want to add to your calculation

and select Add to Study Case from the context sensitivemenu.

• The grid will be activated and graphics will be opened(after a selection by the user).


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2. Creating and Using Study Cases • The Network object is included in Dyamic Study Case.

Before After


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2. Creating and Using Study Cases


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2. Creating and Using Study Cases • To remove an active grid go to the Data Manager, select

Remove from Study Case.


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Please visit:http://www.fglongatt.org.ve

Comments and suggestion are welcome:[email protected]

creating and using study cases in digsilent powerfactory. case p.m. anderson 9 bus

Engineering

study time

case base study case

bus francisco

expansion stage expansion

expansion stages

introduction powerfactory

network studies

sc manchester