- 1448 -
Figure 12.4-9 Steps to display the status of measuring elements
(v) Statistics
“Statistics” sub-menu has several sub-menus.
Figure 12.4-10 Menu hierarchy for Statistics
For each statistical item, with the exception of displaying their status, the data can be
reset or revised.
Power Value sub-menu: With regard to statistics item, the name and its value
are shown below. The user can also change the unit of each value by the
setting
1
. It is allowed to reset or revise the statistics value
2
.
Figure 12.4-11 Display of Power Value
Table 12.4-1 Operation means for data reset or data revise
Press ► key to go to the sub-menu
Press ENTER key to execute reset or revise. After
executing, a confirmation dialog screen displays.
1
Note: In order to secure the reliability, the reset and revision items are controlled by the
vendor.
2
Note: The number of digits for the power value can be reduced based on the units kW,
MW and kvar+. For instance, when the power is measured as "123,456kW" then it
is displayed as "123MW". If this value has to be changed then the user can key in a
new compensated value. For example, if "78MW" should be displayed on the IED
screen even though the measured value is "123,456kW" then the user should key in
Sub-menu Sub-menu Sub-menu
h+ +
0.0MWh
Wh- +
0.0MWh
varh+ +
0.0Mvarh