Getting to Know the TTR320
AVTMTTR320-EN Rev A Oct 2008
3
Top Panel Controls
Figure 1-1. Top Panel Controls
1.
Power input receptacle, ON/OFF switch, and fuse holder. ON/OFF power
switch and input power receptacle provides power to the test set.
2.
Emergency OFF switch. This red push button interrupts testing. When
pressed, the switch is locked in off position. To reset the switch, twist the
button in the direction indicated by the arrows.
3.
Voltage ON light. Red indicator lamp indicates when lit that test voltage is
being supplied to the Unit Under Test (UUT).
4.
Remote Trigger receptacle. Plug receptacle for connecting Remote Trigger
cable for testing transformers with Load-Tap-Changers.
5.
H – Cable receptacle. Plug receptacle for connecting test leads to the high-
voltage (H) winding of a transformer
6.
X – Cable receptacle. Plug receptacle for connecting test leads to the low-
voltage (X) winding of a transformer.
7.
Ground lug. Wing-nut terminal allows connection of test set to Station
Earth ground.
Summary of Contents for TTR320 Series
Page 2: ......
Page 3: ...Three Phase TTR Transformer Turn Ratio Test Set TTR320 series...
Page 8: ...AVTMTTR320 EN Rev A Oct 2008 iv M...
Page 38: ...M AVTMTTR320 EN Rev A Oct 2008 30 M...
Page 44: ...M AVTMTTR320 EN Rev A Oct 2008 36 M...
Page 50: ...M AVTMTTR320 EN Rev A Oct 2008 42 M...
Page 66: ...M AVTMTTR300 Rev A Oct 2008 58...
