Basler Electric BE1-700 - Manual (Page 332)

Table 13-57. 47 Pickup Settings
Pickup Settings
(Negative-Sequence Voltage)
Purpose
S0-47=24,50ms Sets 47 PU at 24 V, Time Delay at minimum.
S0-47=30,50ms Sets 47 PU at 30 V, Time Delay at minimum.
S0-47=36,50ms Sets 47 PU at 36 V, Time Delay at minimum.
Step 3: Prepare to monitor 47 function operation. Operation can be verified by monitoring OUT1.
Step 4: Connect and apply a 50 Vac, single-phase voltage source to Terminals C13 (A-phase) and C16
(neutral). Refer to Figure 12-4 for terminal locations.
Step 5: Negative-sequence voltage is 1/3 the phase voltage, therefore for a V2 setting of 24 volts, the
applied phase voltage will be 24 x 3 or 72 volts. Slowly increase the A-phase voltage until OUT1
closes. Pickup should occur within
±2 percent or 1 volt of the pickup setting. Slowly decrease
the A-phase voltage until OUT1 opens. Dropout should occur between 97% and 98% of the
actual pickup value. Verify the 47 target on the HMI.
Step 6: Verify the pickup and dropout accuracy of the middle and upper 47 pickup settings.
Step 7: (Optional.) Repeat Steps 2 through 6 for the B-phase and C-phase voltage inputs.
Step 8: (Optional.) Repeat Steps 2 through 7 for Setting Group 1.
Negative-Sequence Voltage Timing Verification
Step 1: Using Table 13-58 as a guide, transmit the first row of setting commands to the relay.
Table 13-58. 47 Pickup and Time Delay Settings
Pickup and Time Delay Settings Purpose
S0-47=36,2S Sets 47 PU at 36 V, Time Dial at 2 seconds
S0-47=,5S Sets 47 PU at 36 V, Time Dial at 5 seconds
S0-47=,10S Sets 47 PU at 36 V, Time Dial at 10 seconds
Step 2: Prepare to monitor the 47 timings. Timing accuracy is verified by measuring the elapsed time
between a sensing voltage change and OUT1 closing.
Step 3: Connect and apply a 100 Vac, single-phase voltage source to Terminals C13 (A-phase) and
C16 (neutral). Refer to Figure 12-4 for terminal locations.
Step 4: Step the A-phase voltage up to 115 volts. Measure the time delay and verify the accuracy of the
47 time delay setting. Timing accuracy is
±5 percent or ±3 cycles of the time delay setting.
Step 5: Repeat Step 5 for the middle and upper time delay settings of Table 13-58.
Step 6: (Optional.) Repeat Steps 2 through 5 for the B-phase and C-phase voltage inputs.
Step 7: (Optional.) Repeat Steps 2 through 6 for Setting Group 1.
Over/Underfrequency (81) (BE1-700V)
Purpose: To verify the operating accuracy of the 81/181/281/381/481/581 protection elements.
Reference Commands: SL-x81, SL-VO, S-x81, S-81INH
Over/Underfrequency Pickup Verification
Step 1: Prepare the x81 pickup functions for pickup testing by transmitting the commands in Table
13-59 to the relay.
13-36 BE1-700 Testing and Maintenance 9376700990 Rev M