Page 377 - Practical Power System and Protective Relays Commissioning

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of
PF
voltmeters operation of auxiliary

tests angle relays and spring trip and
primary ammeters, transducers check EF and circuit main switch, CB alarm

and meters and SWG and O/C the earthing or CB of for switch
secondary for test meters, 11 kV relays EF and of operation isolator, switch

relay MVAR and differential test measurement pressure

EF protection injection MW, control OC element relays trip and 500 kV CB of of test pressure gas
Transformer Busbar Secondary meters, and Relays Directional directional EF and OC Transformer Scheme test GIS Resistance test Time Operation contacts air of Test SF 6 of Test

5.8 5.9 5.10 5.11 5.12 5.13 5.14 5.15 6 6.1 6.2 6.3 6.4 6.5