Page 395 - Practical Power System and Protective Relays Commissioning

Index 383

CB. See Circuit breaker (CB) magnetizing curve test, 120f
CDC. See Common data class (CDC) primary injection ratio test of CT, 120f
Cell(s), 157 of extra-high-voltage and high-voltage
operation, 157 158 cables
CH zone relay. See Check zone relay (CH cable capacitance test, 75
zone relay) cable insulation resistance test, 75
Charging of battery, 159 160 continuity and phasing checks, 72
charger setting modes during, 160 161 DC contact resistance of cable phase
Check synchronizing, 355 conductors, 73
Check zone relay (CH zone relay), 314 DC insulation sheath test, 74
Circuit analysis, 51 58 high-voltage resonant AC test for 132 kV
Circuit breaker (CB), 2, 85 86, 141, cables, 78
143 145, 181, 197 198, 287, 326 measurements of cable positive sequence
controls impedance, 76
closing circuit, 94f measurements of cable zero sequence
electrical control, 92 94 impedance, 76
trip circuit, 95f SVL test, 77
gauge calibration, 91 verification of cross bonding test of
operating mechanism, 91 metallic sheath of cable, 76
principle of arc interruption, 86 87 of power systems
protection, 34 AC distribution panel commissioning
puffer, 145, 146f tests, 29
self-blast, 145, 146f battery charger commissioning tests, 30
testing, 94 98 battery commissioning tests, 30
circuit breaker timing test, 97 98 current transformer commissioning tests,
contact resistance testing, 94 95 25 26
high-voltage test, 96 97 DC distribution panels commissioning
insulation resistance testing, 95 96 tests, 29
reduced voltage test, 98 final energization commissioning
timing test, 97 98 procedures, 28 29
types based on insulating medium, 88 91 gas insulated switchgear commissioning
air CB, 88 test, 26 27
oil CB, 88 high voltage cables commissioning tests,
SF 6 CB, 90 91 27
vacuum CB, 88 90 management, 23 24
Class 10P, 109 power transformer commissioning,
Class 5P, 109 24 25
Class 5P20, 109 precommissioning procedures, 23
Class P CT, 109 protection and control panels
Class X CTs, 109 110 commissioning tests, 28
Close-up three-phase fault, 230 voltage transformer commissioning tests,
Closing impulse time, 231 26
Closing time, 231 of substation using IEC 61850, 185 187
Collector bus and main step-up transformer test for power transformers
protections, 34 general, 67
Collector feeder load test, 68
protection, 34 primary tests, 67 68
zone, 34 secondary tests, 68
Commissioning, 59 67 tripping tests, 68
electrical tests, 25 26, 118 121 test of protective relays, 325 326
current transformer burden test, 121f end-to-end test, 326
current transformer polarity/flick test, on-load tests, 326
119f primary injection tests, 326