Sammanfattning

A disconnector failure can lead to significant problems in a distribution system. For instance, two large blackouts in Sweden were partially caused by disconnector faults. One way of preventing future failures is condition monitoring. There is however a lack of previous research focusing on condition monitoring of disconnectors. In fact, most previous research on condition monitoring for switch gear focuses on circuit breakers, and the research focusing on disconnectors mainly study faults related to electrical breakdown. This study examines the possibility to predict mechanical failures of disconnectors using manoeuvre times recorded in SCADA. It studies the effects of external factors on manoeuvre time as well as the behaviour characteristics of four types of disconnectors.

Publicerad i

Utgivare: CIRED

Konferens

CIRED 2021. 20-23 september 2021.

SLU författare

• Rydén, Jesper

  • Institutionen för energi och teknik, Sveriges lantbruksuniversitet
    

UKÄ forskningsämne

Annan elektroteknik och elektronik


Permanent länk till denna sida (URI)

https://res.slu.se/id/publ/114411