hvdc converter station layout
Short Description
hvdc converter station layout...
Description
Kjell Eriksson Project Manager
C D V H – s m e t s y S r e w o P B B
www.abb.com/hvdc
Stat Statio ion n Desi Design gn & Layout
Sim Simpli plifie fied sing ingle lin line dia diagra gram bip bipola olar con convert verter er stati tation on
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Conver Converter ter transf transform ormer er allocat allocation ion
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Inside view of Valve Hall
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Monopo Monopolar lar conver converter ter statio station n
2 1 0 m
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265 m
4,5 m
Layout Layout of a bipola bipolarr conver converter ter statio station n of 500 kV, 2000 2000 MW MW 385 m
3 3 0 m
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DC switchyard
The The DC DC swi switc tchy hyar ard d cont contai ains ns all all the the exte extern rnal al equi equipm pmen entt need needed ed for an HVDC transmission: Volt Voltag agee divi divide ders rs Cur Curre rent nt meas measur urin ing g devi device cess Smoot Smoothi hing ng Reac Reacto tors rs DC Filters 7 e d i l S , C D V H – s , m e t s y S r e w o P B B A
Transmissions Transmissions with cables cables (underground (underground or or underwater) underwater) does not requ require ire any DC filt filter. er. Transm Transmiss ission ionss with with OH OH typica typically lly requ re quir iree DC filt filter erss to to pre preve vent nt the the har harmo moni nics cs gene genera rate ted d by the the conv conver erte terr to be tra trans nspo port rted ed alon along g the the DC DC lin line. e. A harm harmon onic ic filt filter er for 12th 12th and a high high pass pass is usuall usually y enough. enough.
Subs Substa tati tion on Eart Earthi hing ng The conver converter ter statio station n is connect connected ed with with the the ea eart rth h in a grid grid of grou ground nd wires (cu). All All appa appara ratu tuss and and stru struct ctur ures es ar aree conn connec ecte ted d to the the eear arth thin ing g grid grid from the station as a security measure. 8 e d i l S , C D V H – s , m e t s y S r e w o P B B A
Preven Prev ents ts dang danger erou ouss pote potent ntia ials ls to esta establ blis ish h in occu occurr rran ance cess of ligh lightn tnin ings gs,, sho short rt circ circui uits ts and and tran transi sittiona ionall curr curren ents ts at commutations
Prot Protec ecti tion on agai agains nstt ligh lightn tnin ing g The The aappa ppara ratu tuss in the the cconv onver erte terr stat statio ion n are are pro prote tect cted ed agai agains nstt ligh lighttning ning by a net netw work ork of shie shield ld wire wiress
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System bus The buses buses are are fixed fixed or flexib flexible. le. Connect Connection ion joints joints are desi design gned ed to wit withs hsta tand nd forc forces es of shor shortt circ circui uits ts,, the the earthqu earthquake akes, s, and and the the wind windss and loads loads of ice. ice. The telesc telescopic opic conn connec ecti tion on betw betwee een n the valv valves es is part partic icul ular arly ly ca capa pabl blee to with withst stan and d sei seismi smic for force ces. s.
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Typi Typica call HVDC HVDC Stat Statio ion n
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Layout of Monopolar Station
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Layout Layout of Bipola Bipolarr statio station n
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Valve Valve hall hall Fire Fire protec protectio tion n Recommended fire protection
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Deluge system for transformers
Inergen Inergen fire fighting, fighting, valve valve hall
Water mist system
Smoke detection
Flame detection
Calcul Calculati ations ons with with Sound SoundPLA PLAN N •Data in 3D model •Data required •Arrangement of station and ambient location •Buildings •Sound sources 6 1 e d i l S , C D V H – s , m e t s y S r e w o P B B A
•Sound potential •Locat •Location ion and extensi extension on •Frequ •Frequenc ency y conten contentt •Directivity
All transf transform ormers ers boxed boxed in 800 kV converter
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Veri Verifi fica cati tion on of earth earthqu quak ake e desi design gn
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The The verif verific icat atio ion n is basi basica call lly y by calc calcul ulat atio ions ns of eart earthq hqua uake ke forc forces es..
A sim simpl plee mech mechan anic ical al test testin ing g is is ofte often n done done to mea measu sure re mech mechan anic ical al damp dampin ing g and res resona onanc nce. e.
In specia speciall case casess it is tested tested in a vibrat vibration ion table. table.
Earthquake
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In the New Zealan Zealand d project project equi equipm pmen entt with withst stan and d 0.5 0.5 g
Some ome compo mponen nents ar aree suspended, for example thyri hyrist stor or valv valves es and and DC filter capacitors.
Transformer and wall bushing bushingss are specif specifica ically lly desi designe gned d for for earthqu earthquak akee
Itaipú
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Longquan Longquan Converter Converter Station, Station, Panorama Panorama View Converter Station size: 600m x 360m
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Longquan AC Fi Filters
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Three Gorges Gorges – Guangzho Guangzhou, u, Jingzhou Jingzhou
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Double Valves 500 kV DC, Zhengping
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Longqu Longquan an - Double Double Valves Valves & Conver Converter ter Transf Transform ormers ers
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Chan Chandr drap apur ur site site
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Chan Chandr drap apur ur ac yar yard d
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Baltic Cable, Kruseberg
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Baltic cable, ac side
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Baltic Cable, dc yard
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New Zealand, ac filters
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New Zealand, dc filter
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New Zealand, sound barriers
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New Zealand, smoothing reactor
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New Zealand, valve hall
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Braz Brazil il - Arge Argent ntin ina, a, Modu Modula larr valv valve e hous housin ings gs Converter Transformers including one spare
Capacitors for CCC
Modular Valve Housings 6 3 e d i l S , C D V H – s , m e t s y S r e w o P B B A
Cooling Towers
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