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value. At this time, press “Exit” key-press to return and re-select the current
and retry. When the set value is reached, it becomes constant. Then, enter into
the next interface.
2 0 0 7 . 0 1 . 0 1
Tap
A
3 5 1 . 2
mΩ
B
3 5 0 . 6
mΩ
Store
C
3 5 1 . 6
mΩ
Imbalance rate:
0 0 . 2 8 %
Current tap :
0 1
Re-test
Exit
1 4 : 0 2 : 5 1
Now, the dc resistance tester starts to display the resistance value of each
phase. With the resistance value of each phase becoming stable, the
imbalance rate will gradually decrease. Under such state, the “Tap” button may
be pressed to adjust and set the current tap value or winding name so as to
mark the measurement result. After the “Tap” button is pressed down, the
multi-functional key on the right becomes “▲”“▼”“
”“OK” and “Cancel”, and
the tap setting dialogue box is ejected. After setting, press the “OK” button to
save it and press the “Cancel” button to modify it. Then, press “Store” and
“Print” button to save or print the measurement results. In case of any doubt
about the data, press “Retest” button to carry out the measurement and
calculation again. The maximum display scope of the imbalance rate is 50%. If
such scope is exceeded, only “50%” will be display.
When measuring the on-load voltage changing transformer, after the
testing data of one tapping position becomes stable, the on-load tapping
switch may be switched to the next tapping position, without discharging to
conduct the measurement over again. At this time, the resistance value and
