Bambanci tsakanin watsa DC da AC

Daga ra'ayi na fasaha, ɗaukar ± 800 kV UHV DC watsawa, tsakiyar layin ba ya buƙatar sauke batu, wanda zai iya aika babban adadin wutar lantarki kai tsaye zuwa babban ɗakin kaya; a cikin yanayin watsawa na AC / DC daidaitattun, yana iya amfani da daidaitawar mitar mita biyu don hana ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun yanki, da haɓaka ƙayyadaddun kwanciyar hankali na wucin gadi (tsauri) na ɓangaren giciye; da magance matsalar ƙetare gajeriyar kewayawa na babban ƙarshen karɓar grid ɗin wutar lantarki. Ɗauki 1000kV AC watsawa, tsakiyar za a iya sauke tare da aikin grid; ƙarfafa grid don tallafawa watsa wutar lantarki mai girma na DC; asali warware matsalolin short-circuit halin yanzu wuce misali manyan karba karshen grid da kuma low watsa iya aiki na 500kV line, da inganta tsarin da wutar lantarki grid.

Dangane da ƙarfin watsawa da aikin kwanciyar hankali, ta amfani da ± 800 kV UHV DC watsawa, kwanciyar hankali na watsawa ya dogara da ingantaccen gajeriyar kewayawa (ESCR) da ingantaccen inertia akai-akai (Hdc) na grid a ƙarshen karɓar, kazalika da tsarin grid a ƙarshen aikawa. Ɗauki 1000 kV AC watsawa, ƙarfin watsawa ya dogara da gajeren lokaci na kowane yanki na goyan bayan layin da nisa na layin watsawa (nisa tsakanin wuraren digo na wurare biyu masu kusa); kwanciyar hankali na watsawa (ƙarfin aiki tare) ya dogara da girman kusurwar wutar lantarki a wurin aiki (bambanci tsakanin kusurwoyi masu ƙarfi a ƙarshen biyu na layin).

Daga hangen nesa na key fasaha al'amurran da suka shafi cewa bukatar hankali, da yin amfani da ± 800 kV UHV DC watsa ya kamata mayar da hankali a kan a tsaye reactive ikon ma'auni da kuma tsauri reactive ikon madadin da kuma irin ƙarfin lantarki da kwanciyar hankali na samu karshen grid, kuma ya kamata mayar da hankali a kan tsarin irin ƙarfin lantarki al'amurran da suka shafi tsaro lalacewa ta hanyar lokaci guda gazawar na canji lokaci a cikin Multi-digo DC feeder tsarin. Amfani da 1000 kV AC watsa ya kamata kula da AC tsarin lokaci daidaitawa da ƙarfin lantarki kayyade matsalolin lokacin da aiki yanayin da aka canza; don kula da matsalolin irin su canja wurin babban iko a cikin sassan da ba su da ƙarfi a ƙarƙashin mummunan yanayi; da kuma kula da boyayyun hadurran da ke tattare da hadurran bakar fata a manyan yankuna da matakan kariya.