TDR9000
™
Circuit Breaker Test System User’s Guide
72A-1898 Rev. A 11/01 A-127
Monday, November 26, 2001 1:09 pm
F Average Velocity measured in the Zone specified
for a trip test (Figure A.150).
G Average Velocity measured in the Zone specified
for a close test (Figure A.150).
Figure A.150 Average Velocity Characteristics for a Reclose Test
| |
Specifications | Test results | Compare
| |
Average velocity in Open zone 1
Maximum 15.50 Ft/Sec | Ft/Sec |
Minimum 12.60 | VEL. 2 13.66 | Pass
Zone 1 0.250 in. to 6.500 in. | |
Average velocity in Open zone 2
Maximum 15.50 Ft/Sec | Ft/Sec |
Minimum 12.60 | VEL. 2 14.58 | Pass
Zone 2 Open to 6.250 in. | |
Average velocity in Close zone 1
Maximum 17.00 Ft/Sec | Ft/Sec |
Minimum 15.00 | VEL. 2 ****** |
Zone 1 6.500 in. to 0.250 in. | |
Average velocity in Close zone 2
Maximum 17.00 Ft/Sec | Ft/Sec |
Minimum 15.00 | VEL. 2 16.97 | Pass
Zone 2 6.250 in. to Close | |
F
G