Basler-electric BE1-11g Instrukcja Użytkownika Pobierz pdf (Strona 451)

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9424200994 Rev N 439

Pickup Verification (I2 Mode)

Step 1: Use BESTCOMSPlus to send the operational settings in Table 187 to the BE1-11g. Reset all

targets.

Table 187. Operational Settings (I2 Mode)

Setting

Value

BESTCOMSPlus Screen

Description

Phase CT

Ratio

System Parameters, Sensing

Transformers

Sets phase CT ratio to 1

Element

Mode

Protection, Current,

Instantaneous Overcurrent (50-1)

Enables 50-1 function for I2 mode

Source

CT Circuit 1

Protection, Current,

Instantaneous Overcurrent (50-1)

Selects CT circuit 1 as the source

50-1 Neg

SEQ

Enabled

Target Configuration, Targets

Enables Neg SEQ target for 50-1

Step 2: Use BESTCOMSPlus to configure the BESTlogicPlus programmable logic shown in Figure 298.

• Blocking is disabled.

• OUT1 closes for 50-1 Trip.

• OUT2 closes for 50-1 Pickup.

• Fault recording is enabled.

Figure 298. BESTlogicPlus Settings (I2 Mode)

Step 3: Use BESTCOMSPlus to open the Protection, Current, Instantaneous Overcurrent (50-1) screen

and send the low range test settings (minimum pickup setting) to the BE1-11g for your sensing

input type in Table 188.

Table 188. Pickup Test Settings (I2 Mode)

Sensing Input Type Range Pickup Setting Time Delay

5 A

Low

0.5 A

0 ms

Middle

5.0 A

0 ms

High

9.0 A

0 ms

1 A

Low

0.1 A

0 ms

Middle

1.0 A

0 ms

High

1.8 A

0 ms

Step 4: Prepare to monitor the 50-1 function operation. Operation can be verified by monitoring OUT2

(see Figure 298).

BE1-11g Instantaneous Overcurrent (50) Test

1 2 ... 446 447 448 449 450 451 452 453 454 455 456 ... 671 672

Basler-electric BE1-11g Instrukcja Użytkownika Strona 451

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