01526nam a2200265 a 4500 vtls000021668 KUKTEM 20251117144415.0 071005s1998 xxk f 001 0 eng|d 0852969090 201107131935 VLOAD 200908141345 VLOAD 200908141317 VLOAD 200908131720 VLOAD 200710051553 kam UMP TK1005 .H37 1998 Harker, Keith Power system commissioning and maintenance practice / Keith Harker London : The Institution of electrical Engineers, 1998 508 p. : ill. ; 24 cm Power series ; 24 1. Commissioning management -- Maintenance and fault investigations -- Power-system theory -- Circuit breakers -- The power transformer -- Tap change and automatic voltage control -- High-voltage pressure tests -- Underground cables and overhead lines -- Substation power supplies -- Current and voltage transformers -- Switchgear control systems -- Protection and control: general -- Overcurrent and earth-fault protection -- Distance protection -- Unit protection of feeders -- Unit protection of substation plant -- Generator protection -- Intertripping -- On-load tests. Electric power systems Electric power systems Management Electric apparatus and appliances Maintenance and repair 0 0 0 0 20000 20000 2019-09-04 1 TK1005 .H37 1998 0000024497 2019-11-04 00:00:00 2019-10-08 1 2019-09-04 OPEN VIRTUA40 35696 35702 VTLSSORT0080*0200*0400*0900*1000*2450*2600*3000*4400*5050*6500*6501*6502*9991 1