XPERT-PRO – Operational Manual
TRINITY
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2. Press
key again. Immediately ‘P’ starts blinking which shows that the
parameter can now be selected. Select the Installation Type to either 3P4W or
3P3W or 1P2W by pressing
and
keys according to your desire and
then press
key so as to save the parameter. However, the unit will reset
and return into Run Mode.
3. In case, your setting is incomplete, precede as above step 1 and 2.
Selecting PT Gain
The PT Gain is the ratio of PT Primary and PT Secondary which is also selectable at
site. The PT Gain should be selected so as to give the actual voltage in your PT
operated meter with the following table.
PT
Primary
PT
Secondary
PT Gain
(PT Ratio)
No multiply factor
1
3300
110
30
6600
110
60
11000
110
100
22000
110
200
33000
110
300
66000
110
600
132000
110
1200
415
110
3.7727
440
110
4.0000
690
110
6.2727
To select the PT Gain, precede the following instruction
1. In Run Mode, press
key for about five seconds and then the unit displays
the first programmable parameter, DEMAND ON. Press
keys to retrieve
the programmable parameter, PT GAIN such as shown below.
2. Press
key again. Immediately ‘P’ starts blinking which shows that the
parameter can now be selected. Select the PT GAIN by pressing
and
keys according to your desire and then press
key so to save the
parameter. However, the unit will reset and return into Run Mode.
PT GAIN
1200
INST.
3P4W