HYTBBT voltaji na-edozi na ike-na-edozi nnukwu voltaji reactive ike ngwaọrụ

nkọwa ngwaahịa

Ka ọ dị ugbu a, ngalaba ọkụ eletrik na-etinye nnukwu mkpa maka ịchekwa ike na mbelata ọnwụ.Malite na njikwa nke voltaji na ike reactive, etinyela nnukwu ego iji mepụta ọtụtụ voltaji na ngwanrọ njikwa ike.VQC, on-load tap Changer, Reactive Power Payment Shunt capacitor bank na akụrụngwa ndị ọzọ, ogo voltaji ka emelitere nke ọma.Otú ọ dị, n'ihi na azụ azụ nke reactive ike mgbanwe ụzọ na nsogbu ndị dị ka overvoltage, overcurrent, na ndụ n'ime ọrụ nke capacitors, voltaji na reactive ike management software enweghị ike ịrụ ọrụ ya kwesịrị ekwesị, na enweghị ike ịnọgide na-enwe mgbe niile na-egosi chọrọ maka voltaji na voltaji na. ike reactive.Enweghị ike inweta uru akụ na ụba na teknụzụ ruru eru, a pụghịkwa iji ikike nke akụrụngwa rụọ ọrụ n'ụzọ zuru ezu.

N'ịchọ na azụ azụ nke voltaji na reactive ike mgbanwe ụzọ, anyị ụlọ ọrụ ewepụtala ọhụrụ ụdị substation voltaji na reactive ike akpaka ukpụhọde ngwaọrụ na ndabere nke ukwuu absorbing teknụzụ ọhụrụ n'ụlọ na ná mba ọzọ.A na-agbanwe ikike mmepụta site n'ịgbanwe voltaji na nsọtụ abụọ nke capacitor, nke na-edozi nsogbu nke overvoltage na inrush ugbu a na arụ ọrụ nke capacitor, ma na-agbanwe mgbanwe hysteresis na nhazi oge.Voltaji ọdụ ụgbọ mmiri na ike reactive na-akpaghị aka nwekwara ike gbanwee capacitor nke etinyere ka ọ bụrụ ngwaọrụ nkwụghachi ụgwọ ike inductive na-agbanwe agbanwe.The popularization na ngwa nke a ngwá nwere ike n'ụzọ dị irè melite management larịị nke voltaji na reactive ike, nke nwere ike dị ukwuu ibelata ike okporo akara ọnwụ, melite ike àgwà, melite mma ọrụ larịị nke ngwá, dịkwuo aku na uba uru nke ike ọkọnọ ụlọ ọrụ. , ma melite ikike inye ike na-enweghị iwu ụlọ ọrụ ọkụ ọhụrụ.Nye aka na idozi ọnọdụ ụkọ ọkụ ụlọ ugbu a.

akporo ngwa

Ngwaahịa ndị tumadi adabara niile na ọkwa nke substations na voltaji etoju nke 6KV ~ 220KV, na-arụnyere na 6KV / 10KV / 35KV busbars nke substations.A na-eji ngwaahịa eme ihe na sistemụ ike, ọla, coal, petrochemical na ụlọ ọrụ ndị ọzọ iji melite ogo voltaji, ịbawanye ihe ike, ma belata ọnwụ ahịrị.

ngwaahịa nlereanya

Nkọwa nlereanya

Nka nka

Ụkpụrụ ngwaọrụ
Volta na ike reactive ike akpaka ukpụhọde ngwaọrụ nke substation nakweere ofu njikọ nke capacitors na-enweghị otu, na ike nkwụghachi ụgwọ nke capacitor na-agbanwe site na-agbanwe voltaji na abụọ nsọtụ nke capacitor.Dị ka ụkpụrụ nke Q = 2πfCU2 si dị, voltaji na uru C nke capacitor na-agbanwe agbanwe, na voltaji na nsọtụ abụọ nke capacitor na-agbanwe.Mpụta nke mmeghachi omume ike.
Ikike mmepụta ya nwere ike ịgbanwe izi ezi na ịdị omimi nke ụkpụrụ voltaji na (100% ~ 25%) x Q, ya bụ, enwere ike gbanwee izi ezi na ịdị omimi nke capacitors.
Ọnụọgụ 1 bụ eserese ngọngọ nke ụkpụrụ ọrụ nke ngwaọrụ:

Ngwakọta ngwaọrụ

Ngwaọrụ nkwụghachi ụgwọ nke na-achịkwa voltaji na-abụkarị akụkụ atọ, ya bụ voltaji regulator, ihe nrụpụta zuru oke nke capacitors na voltaji na reactive power control panel.Onyonyo 2 bụ ihe osise schematic nke ngwaọrụ a:

Voltage regulator: Onye na-ahụ maka njikwa na-ejikọta capacitor na busbar, ma gbanwee voltaji mmepụta nke capacitor n'okpuru ebe a na-ahụ maka nkwụsi ike nke voltaji busbar, iji hụ na ikike mmepụta nke capacitor na-emezu ihe ndị a chọrọ.Voltage na reactive ike njikwa panel: Dị ka ntinye ugbu a na voltaji mgbaama, mgbata na-eme mkpebi, na-enye iwu ka ịgbanwe isi transformer taps nke substation iji mezie voltaji iji hụ na ngafe ọnụego nke ụgbọ ala voltaji.Gbanwee mmepụta voltaji nke onye na-ahụ maka voltaji ka ọ gbanwee mmepụta ike nke capacitor.Ọ nwekwara ọrụ ngosi na mgbama kwekọrọ.Capacitive reactive ike isi iyi nke capacitor zuru ezu.

Uru nke ngwaọrụ

a.Tụnyere ụdị ịgbanwee, naanị otu set nke capacitor akụ nwere ike na-ofisly jikọọ na-aghọta itoolu-ọsọ mmepụta, na akwụ ụgwọ ziri ezi dị elu, nke nwere ike izute chọrọ nke usoro reactive ike mgbanwe;
b.A na-anakwere onye na-ahụ maka voltaji na-emebi onwe ya ka ọ gbanwee nrụgide ahụ, ngwa ngwa ngbanwe na-adị ngwa ngwa, enwere ike ime mgbanwe ozugbo ozugbo, yana mmetụta nkwụghachi ụgwọ dị ịrịba ama;
c.Enwere ike imechi ya na obere voltaji, nke na-ebelata mmechi mmechi nke ugbu a ma na-ebelata mmetụta nke usoro na capacitors nke ọma;
d.E jiri ya tụnyere ịgbanwee, ọ nwere ike hụ na capacitor na-arụ ọrụ n'okpuru voltaji a tụrụ anya ruo ogologo oge, na-enweghị ịgbanye overvoltage na nsogbu ndị dị ugbu a, nke na-eme ka ndụ ọrụ nke capacitor dịkwuo ogologo;
e.Ngwaọrụ nwere ogo dị elu nke akpaaka, ọrụ nchebe zuru oke, nkwurịta okwu dijitalụ na ọrụ nlekọta dịpụrụ adịpụ, ma nwee ike izute mkpa ndị na-enweghị nlekọta na-enweghị nlekọta;
f.Mfu ndị ọzọ dị ntakịrị, naanị 2% nke ikike capacitor.Ihe dị ka otu ụzọ n'ụzọ iri nke ọnwụ SVC;
9. Capacitors adịghị mkpa ka a gbanwee n'ìgwè, nke na-ebelata ngwá ọrụ dị ka ịgbanwee switches na-ekpuchi ebe, na-echekwa ego nkwụnye ego akụrụngwa;
h.Ngwaọrụ anaghị emepụta harmonics na ọ gaghị eme ka mmetọ kwekọrọ na usoro ahụ;
i.Mgbe e nwere usoro reactor, na reactance ọnụego nke ọ bụla gia nwere ike na-ekwe nkwa na-adịgide adịgide;