Appendix A

Transformer Loss Compensation Excel Spreadsheet

with Examples

A.1: Calculating Values

Transformer Loss Compensation is discussed in Chapter 7 of this manual. Values for three element installations can be calculated in two ways:

Click the TLC Calculator button on the Transformer Loss screen of the Nexus Device Profile. The TLC Calculator button activates an Excel Spreadsheet, ONLY if you have MS Excel installed on your computer. A copy of the Excel Spreadsheet is offered on the following pages with example numbers.

1.Enter the required data into the Excel Spreadsheet. The Excel program will calculate the values needed for the Transformer Loss screen of the Device Profile.

2.Enter the values into the Device Profile.

Use the worksheet found in Chapter 7, “Three Element Loss Compensation Worksheet” to calculate the values by hand. Notes under each section will assist you.

1.Enter values based on the tranformer manufacturer’s test report. The worksheet is progressive and notes under each section will guide you to the next section.

2.Enter the values into the Device Profile.

A.2: Excel Spreadsheet with Example Numbers

If you have MS Excel installed in your computer, use the TLC Calculator button on the Transformer Loss screen of the Device Profile. The copy of the Spreadsheet with Example Numbers found on the following pages will assist you.

Electro Industries/GaugeTech Doc # E107706 V1.25

A-1

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Electro-Voice 1252, 250 operation manual Calculating Values, Excel Spreadsheet with Example Numbers