Toshiba GR200 Series Instruction Manual page 441

Centralized busbar protection ied

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Setting for the report (Dead band feature)

The data collected in the metering function will be sent to the network upward, but the data

sent may give the network a heavy burden because the amount of the data sent could be larger.

Thus, the dead band (SD) feature is designed not to report data unnecessary (say, the dead

band feature regulates not to send the same data repeatedly). In practice the analog values in

the metering function are not always the same. The user can make rules not to send data

always using % settings.

For example when 1A rated current is employed, and setting [ISD] has a default setting value

5.00, data will be reported when the present current value is changed beyond ±0.05A (i.e.,

5.00% of the rated 1A current).

Table 8.5-1 shows respective settings for the power quantities.

Table 8.5-1 SD settings for respective quantities

Figure 8.5-1 Metering setting in the setting screen

Note: For the operation of the menu, see Chapter

6F2S1931 (0.20)

Setting ranges

0.00% to 50.00%

User interface: Setting sub-menu

Centralized GRB200

(Soft: 030, 031, 032, 033, 034)

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