Basler-electric BE1-11g Instrukcja Użytkownika Pobierz pdf (Strona 442)

100

101

430 9424200994 Rev N

Step 2: Prepare to monitor the 81-1 timings. Timing accuracy is verified by measuring the elapsed time

between a frequency change and OUT1 closing.

Step 3: Connect and apply a 120 Vac, 60-hertz voltage source to terminals C13 (A-phase) and C16

(neutral).

Step 4: Step the frequency of the applied voltage down to 55-hertz. Measure the time delay and record

the result.

Step 5: Repeat Step 4 for the 5,000 ms and 10,000 ms time delays listed in Table 178. Record the

results.

Step 6: (Optional.) Repeat steps 1 through 5 for settings groups 1, 2, and 3.

Step 7: (Optional.) Repeat steps 1 through 6 for 81-2, 81-3, 81-4, 81-5, 81-6, 81-7, and 81-8.

Pickup Verification (ROC Frequency)

Step 1: Use BESTCOMSPlus to send the operational settings in Table 179 to the BE1-11g. Reset all

targets.

Table 179. Operational Settings (ROC Frequency)

Setting Value

BESTCOMSPlus

Screen

Description

Element Mode

Rate of

Change

Protection, Frequency

(81-1)

Enables 81-1 function for Rate of

Change mode

Source

Phase VT

Protection, Frequency

(81-1)

Sets source to Phase VT

Pickup

10 Hz/sec

Protection, Frequency

(81-1)

Sets pickup to 10 Hz/sec

Voltage Inhibit

40 V

Protection, Frequency

(81-1)

Sets voltage inhibit pickup to 40 V

Over Frequency

Inhibit

64 Hz

Protection, Frequency

(81-1)

Sets over frequency inhibit to 64 Hz

Under Frequency

Inhibit

46 Hz

Protection, Frequency

(81-1)

Sets under frequency inhibit to

46 Hz

81-1 ROC

Enabled

Target Configuration,

Targets

Enables ROC target for 81-1

Step 2: Use BESTCOMSPlus to configure the BESTlogicPlus programmable logic shown in Figure 294.

• Blocking is disabled.

• OUT1 closes for 81-1 Trip.

• OUT2 closes for 81-1 Pickup.

• Fault recording is enabled.

Figure 294. BESTlogicPlus Settings (ROC Frequency)

Frequency (81) Test BE1-11g

1 2 ... 437 438 439 440 441 442 443 444 445 446 447 ... 671 672

Basler-electric BE1-11g Instrukcja Użytkownika Strona 442

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Basler-electric BE1-11g Instrukcja Użytkownika Strona 442

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