GE 745 Instruction Manual page 12

USING THE RELAY
1–4
1. Press the MENU key until you reach the actual values main menu.

ACTUAL VALUES []
2. Press MESSAGE RIGHT or ENTER key to enter the first actual values page, and then the
MESSAGE UP or DOWN key to scroll through pages, until the
appears.
 
ACTUAL VALUES [
A2 METERING DATA
3. Press the MESSAGE RIGHT or ENTER key to display the first sub-page heading for the
Metering Data actual values page:

 CURRENT [ ]
METERING
Pressing the MESSAGE UP or DOWN keys will scroll the display up and down through the
sub-page headers. Pressing the MESSAGE LEFT or ESCAPE key at any sub-page heading will
return the display to the heading of the corresponding setpoint or actual value page, and
pressing it again, will return the display to the main menu header.
4. Press the MESSAGE DOWN key until the
page heading appears.


ZERO SEQUENCE [
CURRENT METERING
5. At this point, pressing MESSAGE RIGHT or ENTER key will display the messages under
this sub-page. If instead you press the MESSAGE UP key, it will return to the previous
sub-page heading. In this case,


POS. SEQUENCE [
CURRENT METERING
6. When the symbols and

pages are available and can be accessed by pressing the MESSAGE RIGHT or ENTER
key. Pressing MESSAGE RIGHT or ENTER while at the zero-sequence current metering
sub-page heading displays the following:
W1 NEG SEQ CURRENT:
0 A at 0° Lag
Pressing the MESSAGE LEFT key returns to the zero-sequence current metering sub-page
heading.
7. Press the MESSAGE DOWN key to display the next actual value of this sub-page. Actual
values and setpoints messages always have a colon separating the name of the value
and the actual value or setpoint. This particular message displays the current demand
as measured by the relay.
The menu path to the value shown above is indicated as
SEQUENCE CURRENT METERING
messages are referred to in this manner throughout the manual.
]
ZERO-SEQUENCE CURRENT METERING
]
]
appear on the top line, it indicates that additional sub-

W1 NEG SEQ CURRENT. Setpoints and actual values

745 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 1: GETTING STARTED
A2 METERING DATA
A2 METERING DATA ZERO

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