9171300990 Rev V
BE1-87T Test Procedures
i
SECTION 5 • TEST PROCEDURES
TABLE OF CONTENTS
SECTION 5 • TEST PROCEDURES ........................................................................................................ 5-1
Overview ................................................................................................................................................ 5-1
Equipment Required .............................................................................................................................. 5-1
Restrained Pickup Testing Examples .................................................................................................... 5-2
Increasing One Input from Balance .................................................................................................... 5-2
Decreasing One Input from Balance .................................................................................................. 5-4
Test Setup Diagrams ............................................................................................................................. 5-7
Verification Tests: 5 Amp CT, 50 or 60 Hz Units ................................................................................... 5-9
Restrained Pickup Verification ........................................................................................................... 5-9
Input (or Tap) Switch Verification ..................................................................................................... 5-10
Unrestrained Pickup Verification ...................................................................................................... 5-11
Second-Harmonic Restraint Verification .......................................................................................... 5-11
Fifth-Harmonic Restraint Verification ............................................................................................... 5-12
Response Time Verification ............................................................................................................. 5-13
Verification Tests: 1 Amp CT, 50 or 60 Hz Units ................................................................................. 5-14
Restrained Pickup Verification ......................................................................................................... 5-14
Input (or Tap) Switch Verification ..................................................................................................... 5-15
Unrestrained Pickup Verification ...................................................................................................... 5-16
Second-Harmonic Restraint Verification .......................................................................................... 5-17
Fifth-Harmonic Restraint Verification ............................................................................................... 5-17
Response Time Verification ............................................................................................................. 5-18
Operational Test Procedures ............................................................................................................... 5-19
Restrained Pickup ............................................................................................................................ 5-19
Unrestrained Pickup ......................................................................................................................... 5-19
Second-Harmonic Inhibit .................................................................................................................. 5-19
Fifth-Harmonic Inhibit ....................................................................................................................... 5-20
Testing Three-Phase Units without Changing Jumpers ...................................................................... 5-20
Jumper Positions WYE-WYE ........................................................................................................... 5-21
Jumper Positions WYE-∆1 ............................................................................................................... 5-21
Jumper Positions WYE-∆2 ............................................................................................................... 5-22
Jumper Positions ∆1-∆1 ................................................................................................................... 5-22
Jumper Positions ∆2-∆2 ................................................................................................................... 5-23
Jumper Positions ∆1-∆2 ................................................................................................................... 5-23
Figures
Figure 5-1. Test Setup: Single-Phase
....................................................................................................... 5-7
Figure 5-2. Test Setup: Three-Phase, Sensing Input Type E, Output Option E
....................................... 5-7
Figure 5-3. Test Setup: Three-Phase, Sensing Input Type E, Output Option F
....................................... 5-8
Figure 5-4. Test Setup: Three-Phase, Sensing Input Type G, Output Option E
....................................... 5-8
Tables
Table 5-1. Restrained Pickup Test: 5 A, 50 or 60 Hz
.............................................................................. 5-10
Table 5-2. Input Verification*: 5 A, 50 or 60 Hz
....................................................................................... 5-11
Table 5-3. Unrestrained Pickup Verification: 5 A, 50 or 60 Hz
................................................................ 5-11
Table 5-4. Timing: 5 A, 50 or 60 Hz
......................................................................................................... 5-13
Table 5-5. Restraint Pickup Test: 1 A, 50 or 60 Hz
................................................................................. 5-15
Table 5-6. Input Verification*: 1 A, 50 or 60 Hz
....................................................................................... 5-16
Table 5-7. Unrestrained Pickup Verification, 1 A, 50 or 60 Hz
................................................................ 5-16
Table 5-8. Timing, 1 A, 50 or 60 Hz
......................................................................................................... 5-18
Table 5-9. Input Signals to Comparison Circuits Based On Jumper Positions
....................................... 5-21