Title :
Electrical unbalance assessment of a hydroelectric generator with bypassed stator coils
Author_Institution :
Bur. of Reclamation, Denver, CO, USA
Abstract :
Field tests were conducted to determine the effect of bypassed coils on a hydroelectric generator´s electrical operating capability, following the failure of three stator winding coils. Unbalanced split-phase stator winding currents were measured, along with stator and rotor winding temperatures. Field test results are presented and compared to calculated values
Keywords :
coils; electric current measurement; hydroelectric generators; machine testing; rotors; stators; bypassed stator coils; electrical operating capability; electrical unbalance assessment; field tests; hydroelectric generator; rotor winding temperature; stator winding coils failure; stator winding temperature; unbalanced split-phase stator winding currents; Circuit faults; Circuit testing; Coils; Current transformers; Hydroelectric power generation; Magnetic circuits; Reactive power; Rotors; Stator windings; Temperature sensors;
Conference_Titel :
Electric Machines and Drives, 1999. International Conference IEMD '99
Conference_Location :
Seattle, WA
Print_ISBN :
0-7803-5293-9
DOI :
10.1109/IEMDC.1999.769247
