high-MVA-capacity transmission lines Research Papers (original) (raw)

U članku je istražen utjecaj ograničenja prijenosnih kapaciteta spojnih dalekovoda na pouzdanost
prijenosne mreže. Istraživanje je obavljeno na stvarnom primjeru modela prijenosne mreže Slavonije i
Baranje u programskom paketu DIgSilent Power Factory. U prvom trenutku uspostavljeni su tranziti
električne energije približni stvarnim tranzitima na karakterističnu srijedu mjeseca siječnja 2012. godine.
Analizirani su pokazatelji pouzdanosti kod ovakvih tranzita pri nazivnom i smanjenom prijenosnom
kapacitetu spojnih dalekovoda. Nakon toga uspostavljeni su povećani tranziti električne energije te je
izvršena analiza promjene pokazatelja pouzdanosti u slučaju smanjenja prijenosnih kapaciteta.

Abstract: This letter presents an approach to determining the impact
of supplemental reserve and high-MVA-capacity transmission lines on optimal maintenance and repair time. The impact of the supplemental reserve and high-capacity transmission lines is determined by including the availability and costs characteristics. Availability is calculated by taking into account successfully supplied consumer areas, and costs are calculated bytaking into account costs of maintenance, repair, and undelivered electric energy. The optimal maintenance and repair time is determined by considering the balance between availability and the costs. The results obtained show that the supplemental reserve and high-capacity transmission lines prolong the maintenance and repair period and reduce the costs.
Keywords: Availability, costs, maintenance, repair, undelivered energy,
supplemental reserve, transmission, power system.