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Introduction to RDAP

Getting Started

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Opening RDAP will give you this window. For the first

time user you must create a system. Click on

File/System Selection

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This window appears. Under Select System, type in

First System. Hit enter

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Click Yes to save the system created

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Since this is the first system, the only answer you can give

is No. In the future as you create new systems you

probably will want to answer Yes.

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On the new window, click File/Sub/Feeder Selection.

Hit enter

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Type in the name First under Substation and hit enter.

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Click on Yes

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Type in 12.47 under Feeder Bus. That is all that you

need to do at this point. Click on Okay

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Type in Feeder 1 under Feeder. Hit enter and answer

Yes to the question.

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Type in F1 in the blank. Be careful that you dont put

any spaces in the name. Click Okay

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You should now have this window showing that you have

created First System with Substation First and

Feeder 1. Now click on Z-Models

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Listed here are the basic data that will be input for a

given feeder. Conductors lists all of the standard

conductors. At this point click on Spacings

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The upper window shows the spacings that have been

created. At this point there arent any. Hit enter to drop

down to the lower window.

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Type in the Description, select Feet and then type in the

x,y coordinates for the four positions as shown. Hit Okay.

Note that you could enter more data. Hit Quit and

answer Yes.

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Click on Z-Models/Configurations to get this screen.

As before the left window shows configurations that have

been built. At this point there arent any. Hit enter to

move to the right side (input) window.

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Type in the Description, hit enter and then the down

arrow to scroll through the conductors. Stop on 450,000

AA and hit enter to move to the Neutral Conductor

selection.

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Continue entering the data using the pop up windows to

select Spacing in Feet and Phasing. Set the Distance

from Grd to 0. Hit Okay. More data could be entered,

but hit Quit and then Yes.

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From the main screen click on Z-Models/Configurations.

The window appears and now click on View Zs to see

the computed phase and admittance matrices for this

configuration.

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Get back to the main window by hitting Okay,Quit

and Yes. You are now ready to enter data for your

Feeder 1. Select Data/Segments

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This window displays the data window on the left and the

input window on the right. Hit enter to get to the data

input window.

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Enter the data for the 6000 ft. segment. I usually select

the Node B name as the Segment name. From the pop

up menu select DEMO. Hit Quit and answer Yes

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Select Spot Loads to bring up the data window for the

spot loads.

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As before the left window shows the nodes that have been

created. Select F2 and hit enter. Now input the necessary

data. Hit Quit and Yes.

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Your feeder can now be analyzed selecting

Analysis/Interactive Flow Analysis

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This is the menu for the analysis routines. Select

Results to run the analysis.

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Right away the pop up menu shown will appear. This

lists the various outputs that you can look at. Look at

each one of them.

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Summary

Click on the three horizontal lines on the top left to get

back to the menu. Note the top right of the screen is

WRITE. Click on that and this window will be writtento rdap.txt in the RDAP30 subdirector.

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Node Voltages on 120 volt base

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Dont look at voltage profile yet. Select power flow. A

new pop-ups shows the nodes in the feeder. Select all and

then toggle to get flow in Amps/Degs.

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Continue to look at the various outputs. To get back to

the data preparation menu hit File/Return

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