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AVTMTTR100-ENG Rev 6 Nov 2015

Full Test Single Phase Transformer

Upon selecting Full test for a single-phase type transformer, and with the

TTR100 connected as indicated by the connection diagram that was previously

displayed when the transformer type was selected, a test setup screen appears.

The last tested transformer information (previously entered) is displayed on the

screen.

Refer to Figure 6-8.

Figure 6-8. TEST SETUP Screen

Prior to testing, enter the ID number of the transformer to be tested by selecting

1. Once the ID information is entered, depress the ENTER key to accept the

information. Next enter the H & X voltages (line-to-line) and accept the values

with the enter key. The voltage values will be used in calculating the turns ratio

and then compared with the measured value to determine the % deviation. At

this point, one can start the test by selecting 4, or save the entered information

as custom configuration for future use by selecting 5.

NOTE: In the event that the configuration of the transformer to be tested had

been previously saved, one would first select 4 CUSTOM CONFIGS., from the

MAIN MENU, followed by 1, from the CUSTOM CONFIGS. menu and finally the

appropriate configuration is selected from the stored configurations within the

TTR100.

Selecting 4, from the TEST SETUP menu, will start the test and a screen, shown

in Figure 6-6 appears. After selecting a transformer rating, a TEST IN

PROGRESS screen appears.

A test number will be displayed in the upper left hand corner of the screen that

can be used as a reference for the test being conducted. The H & X voltages are

displayed and a Stop message is displayed on the lower portion of the screen.

“PRESS ANY KEYS TO STOP TEST.”

At the completion of the test, TEST RESULT 1 screen is displayed containing the

test number, the ID number, the calculated turns ratio, measured turns ratio,

#012 TEST SETUP

1. ID:1246

2. H VOLTAGE,V:15000

3. X VOLTAGE,V:1500

4. START TEST

5. SAVE CUSTOM CONFIG.

6. MAIN MENU

SELECT FROM KEYPAD

Megger AVTMTTR100 User Manual

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