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(iii) Setting bands for the operation
As illustrated in Figure 9.2-7, with regard to the entering current the user can define the upper
limit and lower limit using the setting [ISD] in %. The limit-size of the SD feature is calculated
based on the amount of the entering current. Table 9.2-4 shows respective settings for the
power quantities.
Table 9.2-4 SD settings for respective quantities
Active/Reactive/Apparent power
†Note: The values are derived in the VCHK function. For more information, see Chapter
Relay application: Voltage check for autoreclose function
.
Figure 9.2-8 Metering setting in the setting screen
Note: For the operation of the menu, see Chapter
User interface: Setting sub-menu
.
Metering
10:48 1/8
ISD +
5.00 %
VSD +
0.60 %
dVSD +
0.60 %