Vanguard LTCA-10, LTCA-40, WRM-10P, WRM-40 Manuel d'utilisateur

VANGUARD LOAD TAP CHANGER ANALYZER (LTCA) VERSION 2.xx SOFTWARE MANUAL For Use with Vanguard’s LTCA-10, LTCA-40, WRM-10P, and WRM-40 Load Tap Change

LTCA VERSION 2.xx SOFTWARE MANUAL REV 3 8 16. Overlay: Click on this button to overlay graphs from multiple test records. 17. Export: Click on this bu

REV 3 LTCA VERSION 2.xx SOFTWARE MANUAL 9 3.2 Keyboard Shortcuts Keyboard shortcuts are available for quick access to some of the menu options a

LTCA VERSION 2.xx SOFTWARE MANUAL REV 3 10 3.3 Application Setup Before using the LTCA program, the application setup parameters should be reviewed an

REV 3 LTCA VERSION 2.xx SOFTWARE MANUAL 11 LTCA-10 and LTCA-40 If the LTCA is connected to the PC via the USB port, check the “Use USB port” che

LTCA VERSION 2.xx SOFTWARE MANUAL REV 3 12 If you would like to pick a completely custom color, you can click on the “Custom” tab. The following color

REV 3 LTCA VERSION 2.xx SOFTWARE MANUAL 13 Configuring the Graph Settings In the “Graph and Overlay Settings” section you can select which item

LTCA VERSION 2.xx SOFTWARE MANUAL REV 3 14 f. Auto Export When test records are saved, by default they are also exported in PDF and XML format. You

REV 3 LTCA VERSION 2.xx SOFTWARE MANUAL 15 3.4 Printer Setup To setup the default printer and configure its settings: 1. Click on the File men

LTCA VERSION 2.xx SOFTWARE MANUAL REV 3 16 4.0 WORKING WITH TEST RECORDS The LTCA software can be used to retrieve test records from an LTCA, a WRM o

REV 3 LTCA VERSION 2.xx SOFTWARE MANUAL 17 4. The “File Prefix” input field allows you to enter a word that will be used as part of the file na

LTCA VERSION 2.xx SOFTWARE MANUAL REV 3 i TABLE OF CONTENTS CONVENTIONS USED IN THIS DOCUMENT ...

LTCA VERSION 2.xx SOFTWARE MANUAL REV 3 18 4.2 Recalling Test Records From the PC Hard Drive Test records stored on the PC hard drive can be recalled

REV 3 LTCA VERSION 2.xx SOFTWARE MANUAL 19 4.3 Saving a Test Record 4.3.1. Saving a Test Record with its Original File Name 1. To save a loa

LTCA VERSION 2.xx SOFTWARE MANUAL REV 3 20 4.4 Exporting Test Records 4.4.1. Automatic Export to XML, PDF, and Excel Formats The LTCA software autom

REV 3 LTCA VERSION 2.xx SOFTWARE MANUAL 21 To export the test record, simply save the test record by either clicking on the Save icon, or by sel

LTCA VERSION 2.xx SOFTWARE MANUAL REV 3 22 4.4.2. Manual Export to XML, PDF, and Excel Formats You can manually export test records at any time to XM

REV 3 LTCA VERSION 2.xx SOFTWARE MANUAL 23 4.5 Viewing and Working with Static Test Results Once a test record from a static test has been retr

LTCA VERSION 2.xx SOFTWARE MANUAL REV 3 24 In the “Test Header Information” section you can also change the reference temperature by entering a new v

REV 3 LTCA VERSION 2.xx SOFTWARE MANUAL 25 4.5.1. Working with Test Reports To view the test report for a test record, click on the Report icon

LTCA VERSION 2.xx SOFTWARE MANUAL REV 3 26 An additional toolbar will also be displayed just above the report. The toolbar elements are described belo

REV 3 LTCA VERSION 2.xx SOFTWARE MANUAL 27 c. Loupe Tool The loupe tool works like a magnifying glass. When selected, a new “Loupe” window will

REV 3 LTCA VERSION 2.xx SOFTWARE MANUAL 1 CONVENTIONS USED IN THIS DOCUMENT This document uses the following conventions: • Microsoft® Windows

LTCA VERSION 2.xx SOFTWARE MANUAL REV 3 28 4. Fit Width – Click on this icon to fit the entire width of the page in the application window. 5. Zoom

REV 3 LTCA VERSION 2.xx SOFTWARE MANUAL 29 Printing Test Reports Follow the steps below to print the test report: 1. From the File menu, click

LTCA VERSION 2.xx SOFTWARE MANUAL REV 3 30 4.6 Working With Test Results Graphs 4.6.1. Changing the Graph’s Y-Axis Scale Type The default graph view

REV 3 LTCA VERSION 2.xx SOFTWARE MANUAL 31 Below is the previous graph displayed using a logarithmic scale:

LTCA VERSION 2.xx SOFTWARE MANUAL REV 3 32 4.6.2. Customizing the Graph Display Many aspects of the graph display can be customized to your liking suc

REV 3 LTCA VERSION 2.xx SOFTWARE MANUAL 33 Viewing Style The LTCA application includes many pre-configured viewing styles or “themes” that can

LTCA VERSION 2.xx SOFTWARE MANUAL REV 3 34 Border Style The border style determines the type of border that surrounds the graph area. Following is an

REV 3 LTCA VERSION 2.xx SOFTWARE MANUAL 35 Font Size The font size determines the size of the font used for the graph axis labels. Three option

LTCA VERSION 2.xx SOFTWARE MANUAL REV 3 36 Plotting Method By default, data points are plotted as a line graph. You can select a different plotting m

REV 3 LTCA VERSION 2.xx SOFTWARE MANUAL 37 Data Shadows The data shadows option displays a drop shadow behind the data points. Below are exampl

LTCA VERSION 2.xx SOFTWARE MANUAL REV 3 2 1.0 INTRODUCTION The Vanguard Load Tap Changer Analyzer (LTCA) software is a Windows-based PC software appli

LTCA VERSION 2.xx SOFTWARE MANUAL REV 3 38 Grid Options This menu provides numerous options for the graph grid. You can choose whether to show or hid

REV 3 LTCA VERSION 2.xx SOFTWARE MANUAL 39 Include Data Labels Enabling this option will display the value of each data point on the graph. Thi

LTCA VERSION 2.xx SOFTWARE MANUAL REV 3 40 Mark Data Points Enabling this option will display a marker at each data point. Following is an example of

REV 3 LTCA VERSION 2.xx SOFTWARE MANUAL 41 Undo Zoom This option is only available when viewing an expansion graph. When viewing an expansion g

LTCA VERSION 2.xx SOFTWARE MANUAL REV 3 42 Customization Dialog... Selecting this option will display the following customization window: This windo

REV 3 LTCA VERSION 2.xx SOFTWARE MANUAL 43 Export Dialog... Selecting this option will display the following window, allowing you to export the

LTCA VERSION 2.xx SOFTWARE MANUAL REV 3 44 4.6.3. Viewing a Graph Expansion You can zoom in on an area of the graph by using the steps below: 1. Mo

REV 3 LTCA VERSION 2.xx SOFTWARE MANUAL 45 3. Release the LEFT mouse button. The graph expansion for the selected region will be displayed: Wh

LTCA VERSION 2.xx SOFTWARE MANUAL REV 3 46 4.6.4. Overlaying Test Results Graphs When viewing the graphic test results for a test record (static or d

REV 3 LTCA VERSION 2.xx SOFTWARE MANUAL 47 Figure 1. Typical Dynamic Resistance Graph with Overlay Main graph values at Current cursor position

REV 3 LTCA VERSION 2.xx SOFTWARE MANUAL 3 2.0 SOFTWARE INSTALLATION Follow the steps below to install the LTCA software on your PC. 1. Insert

LTCA VERSION 2.xx SOFTWARE MANUAL REV 3 48 Figure 2. Typical Static Resistance Graph with Overlay Main resistance graph Overlay resistance graph Main

REV 3 LTCA VERSION 2.xx SOFTWARE MANUAL 49 4.7 Working with Dynamic Test Results (LTCA Only) When a test record from a dynamic test has been r

LTCA VERSION 2.xx SOFTWARE MANUAL REV 3 50 You can move the mouse cursor over a point on the graph and the test Time, Resistance, Main Current, and Mo

REV 3 LTCA VERSION 2.xx SOFTWARE MANUAL 51 4.7.1. Working with Dynamic Test Results Data Points (LTCA Only) Dynamic test results are continuous

LTCA VERSION 2.xx SOFTWARE MANUAL REV 3 52 2. Press the [F8] key. The data point will be added with the time and resistance values from the cursor an

REV 3 LTCA VERSION 2.xx SOFTWARE MANUAL 53 column heading. Clicking on the same column heading a second time will reverse the sorting order. You

LTCA VERSION 2.xx SOFTWARE MANUAL REV 3 54 5.0 PERFORMING TESTS The LTCA software can be used to run transformer, load tap changer, and voltage regula

REV 3 LTCA VERSION 2.xx SOFTWARE MANUAL 55 5. The following window will be displayed: Select the test current and the test duration and then c

LTCA VERSION 2.xx SOFTWARE MANUAL REV 3 56 a. Test Header Information Section Enter any relevant header information in this section such as the compa

REV 3 LTCA VERSION 2.xx SOFTWARE MANUAL 57 8. Once the resistance reading is stable, the values are displayed in the status section as shown be

LTCA VERSION 2.xx SOFTWARE MANUAL REV 3 4 6. Click on the “Next” button to continue. The following screen will be displayed showing the location on y

LTCA VERSION 2.xx SOFTWARE MANUAL REV 3 58 9. Click on the “Save Test” button to save the test record to the hard drive. The following window will be

REV 3 LTCA VERSION 2.xx SOFTWARE MANUAL 59 5.2 Running an LTCA/Voltage Regulator Resistance Test The Load Tap Changer/Voltage Regulator Resista

LTCA VERSION 2.xx SOFTWARE MANUAL REV 3 60 5. The following window will be displayed: Select the test current and click on the “OK” button. 6. From

REV 3 LTCA VERSION 2.xx SOFTWARE MANUAL 61 7. The following screen will be displayed: a. Test Header Information Section Enter any relevant h

LTCA VERSION 2.xx SOFTWARE MANUAL REV 3 62 “Lower” – Lower control for a load tap changer. “Save Test” – Saves the complete test record. “Exit” – Exit

REV 3 LTCA VERSION 2.xx SOFTWARE MANUAL 63 Click on the “Stop Test” button to stop the test. 10. Click on the “Save Test” button to save the tes

LTCA VERSION 2.xx SOFTWARE MANUAL REV 3 64 5.3 Running a Dynamic Resistance Test (LTCA-10 and LTCA-40 Only) The Dynamic Resistance Test is used to co

REV 3 LTCA VERSION 2.xx SOFTWARE MANUAL 65 5. The following screen will be displayed: a. Test Header Information Section Enter any relevant h

LTCA VERSION 2.xx SOFTWARE MANUAL REV 3 66 7. Once the transformer has been calibrated, testing will start and the remaining test time will be displa

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REV 3 LTCA VERSION 2.xx SOFTWARE MANUAL 5 NOTE The LTCA 2 software requires Microsoft .NET 4.x to be installed on your computer. If Microsoft .

LTCA VERSION 2.xx SOFTWARE MANUAL REV 3 6 3.0 STARTING THE LTCA SOFTWARE During the installation process, a Vanguard program group will be created un

REV 3 LTCA VERSION 2.xx SOFTWARE MANUAL 7 3.1 LTCA Software User Interface Elements 1. File Menu: You can open, close, save, and print test r