Abstract
The paper considers efficiency of distance protection with adaptation to rectifier converters of traction substations with different number of pulsations. The authors have revealed the influence of inclination of the external characteristic of rectifier converters on total efficiency of protection. They have also introduced notions for indicators of efficiency of distance protection with adaptation: сoefficient that determines the increase ratio of peak operating current; coefficient that determines the decrease ratio of minimal voltage on traction substation buses; coefficient that determines the increase ratio of maximal peak power of catenary feeder realized by 3.3 kV direct current. The paper presents methods of their calculation.
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