Ozi bụ isi nke ndị ọrụ
Ụlọ ọrụ nkedo valve ọnụ ụzọ ámá na-emepụtakarị ngwaahịa valvụ.Ngwá ọrụ ahịrị ụlọ ọrụ na-emepụta ihe na-agụnye otu ọkụ induction ugboro abụọ nke ton, nke a na-akwado ya site na 2000 kVA (10KV / 0.75 kVA) ọkachamara mgbanwe ọkụ eletrik.Ejiri ya na igbe nkwụghachi ụgwọ 2 capacitance nwere olu nke 600 kVA, ọkụ induction ugboro 1-ton, 800 kVA (10KV / 0.4KV) teknụzụ na mgbanwe ndị ọkachamara, yana kabinet akwụ ụgwọ ikike nwere olu nke 300 kVA.Eserese usoro ọkọnọ ike bụ nke a:
Ezigbo data arụ ọrụ
Ike pụtara ìhè nke ọkụ induction ugboro etiti nke ejiri 2000KVA transformer bụ 700KVA-2100KVA, ike na-arụ ọrụ bụ P = 280KW-1930KW, ibu ọrụ bụ Q=687KAR-830KAR, ihe ike bụ PF=0.4-0.92, yana nke ugbu a na-arụ ọrụⅰ = 538 A-1660 A, ike pụtara ìhè nke etiti ugboro induction ọkụ arụnyere na 800KVA transformer bụ 200KVA-836KVA.The arụ ọrụ ike bụ P = 60KW-750KW, reactive ibu bụ Q = 190KAR-360KAR, ike ihe bụ PF = 0.3-0.9, na-arụ ọrụ ugbu a i = 288 A-1200 A. N'ihi na capacitor ụgwọ ọrụ enweghị ike tinye na-arụ ọrụ (nkwụghachi ụgwọ akpaaka na-ada ada, mgbe ejiri aka na-etinye capacitor aka, ụda olu ike adịghị mma, njem sekit na-agbaji, a na-achịkọta capacitor, mmanụ na-agbapụta, gbawara agbawa, na enweghị ike iji ya), ike zuru oke kwa ọnwa Ihe kpatara ya bụ. PF=0.78, a na-agbanwekwa ọmụrụ nwa nbinye ego kwa ọnwa karịa yuan 32,000.
Nyocha Ọnọdụ Sistemu Ike
Isi ibu nke etiti ọkụ eletrik na-emegharị ọkụ eletrik bụ 6-pulse rectification.Akụrụngwa na-emegharị ihe na-atụgharị AC ka ọ bụrụ DC ka ọ na-emepụta ọnụ ọgụgụ dị ukwuu nke harmonics.The ahụkarị harmonic isi iyi harmonic ugbu a na-injected n'ime okporo, na impedance nke grid na-emepụta harmonic voltaji, na-eme ka grid voltaji ugbu distortion na-emetụta àgwà nke ike ọkọnọ na ọrụ nchekwa, na-abawanye akara ọnwụ na voltaji akwụ ụgwọ, na-abawanye ike.Mgbe reactive ike akwụ ụgwọ capacitor akụ na-etinye n'ọrụ, n'ihi na harmonic e ji mara impedance nke capacitor akụ bụ obere, ọtụtụ harmonics na-ẹkenam n'ime capacitor akụ, na ego nke capacitive ugbu a ngwa ngwa abawanye njọ na-emetụta ya ọrụ ndụ.N'aka nke ọzọ, mgbe harmonic capacitive reactance nke capacitor akụ hà nhata harmonic inductive reactance nke usoro na a usoro resonance emee, harmonic ugbu a na-amụbawanye nke ukwuu (2-10 ugboro), na-akpata ekpo oke ọkụ na mmebi. ihe capacitor.Tụkwasị na nke ahụ, harmonics ga-eme ka ebili mmiri DC sinusoidal gbanwee, na-eme ka ebili mmiri dị elu sawtooth, nke dị mfe ime ka nkwụsịtụ dị na ihe mkpuchi ahụ.Mwepu obere oge ga-eme ka ịka nká nke ihe mkpuchi ahụ dịkwuo elu ma mee ka ọ dị mfe imebi capacitor.Ya mere, enweghị ike iji capacitor reactive ike akwụ ụgwọ kabinet maka nkwụghachi nke etiti ugboro induction ọkụ, na a nzacha reactive ike akwụ ụgwọ ngwaọrụ kwesịrị pulse ugbu a suppression ọrụ.
Atụmatụ ọgwụgwọ ụgwọ ọrụ ike
Ebumnuche ọchịchị
Nhazi nke akụrụngwa nkwụghachi ụgwọ nzacha na-emezu ihe achọrọ nke mkpochapụ kwekọrọ na njikwa mmechi ike.
N'okpuru usoro ọrụ nke 0.75KV na 0.4KV, mgbe etinyere akụrụngwa nkwụghachi ụgwọ nzacha, a na-ebelata pulse ugbu a, na nkezi ike kwa ọnwa gafere 0.95.Ntinye nke loop nkwụghachi ụgwọ nzacha agaghị eme ka mpụta ụda dị ugbu a ma ọ bụ resonance overvoltage na mbịgharị.
Imewe na-agbaso ụkpụrụ
Ịdị ike Ọha grid harmonics GB/T14519-1993
Ọdịmma voltaji mgbanwe na flicker GB12326-2000
Ọnọdụ teknuzu zuru oke nke ngwaọrụ nkwụghachi ụgwọ ọkụ ọkụ dị ala GB/T 15576-1995
Ngwaọrụ nkwụghachi ụgwọ nke obere voltaji JB/T 7115-1993
Reactive ike akwụ ụgwọ teknuzu ọnọdụ;JB/T9663-1999 "Obere voltaji reactive ike akpaka akwụ ụgwọ njikwa"
Oke nke ugbu a kwekọrọ ekwekọ nke ọkụ eletrik na ngwa eletrọnịkị dị ala na-ebupụta GB/T 17625.7-1998 Usoro eletrọnịkị Ike capacitors GB/T 2900.16-1996
Obere voltaji shunt capacitor GB/T 3983.1-1989
Reactor GB10229-88
Reactor IEC 289-88
Onye na-ahụ maka nkwụghachi ụgwọ ọrụ obere voltaji nyere iwu ọnọdụ teknụzụ DL/T597-1996
Ọkwa nchekwa mkpuchi ọkụ eletrik dị ala GB5013.1-1997
Igwe ọkụ ọkụ ọkụ zuru oke na akụrụngwa njikwa GB7251.1-1997
Imepụta echiche
Dabere na ọnọdụ ụlọ ọrụ ahụ akọwapụtara, ụlọ ọrụ anyị ewepụtala usoro nzacha nzacha nzacha ọkụ n'etiti nkeji oge.Tụlee nke ọma na ibu ike ihe na nkwekọ suppression, na wụnye a set nke ala voltaji reactive ike nzacha n'okpuru voltaji n'akụkụ nke ụlọ ọrụ 0.75KV na 0.4KV transformers iji kwụsị harmonics, kwụọ reactive ike, na melite ike ihe.N'oge a na-arụ ọrụ ọkụ nke etiti etiti, ngwaọrụ rectifier na-emepụta 6K + 1 harmonics, na usoro Fourier na-eji decompose na gbanwee ugbu a iji mepụta 5 harmonics nke 250HZ na 7 harmonics n'elu 350HZ.Ya mere, mgbe ị na-emebe nzacha na-adịghị arụ ọrụ nke ọkụ ọkụ ugboro ugboro, ekwesịrị ijide n'aka na sekit nkwụghachi ụgwọ nzacha na-akwụghachi ike na-adịghị arụ ọrụ site n'ibelata harmonics nke ugboro ugboro karịa 250HZ na 350HZ, ma na-abawanye ihe ike.
imewe ọrụ
A na-akwụ ụgwọ ike zuru oke nke ọkụ induction ugboro 2-ton nke dabara na 2000 kVA transformer site na 0.78 ruo ihe dịka 0.95.Ngwa nzacha nzacha kwesịrị ịkwado ya na ikike nke 820 kVA, wee gbanwee na-akpaghị aka n'ime otu 6 nke ikike, nke ọ bụla dabara na winding na ala voltaji akụkụ nke transformer maka nkwụghachi.Ike nhazi ọkwa ọkwa bụ 60KVAR, nke nwere ike izute ike dị iche iche nke ọkụ induction ugboro ugboro.A na-akwụ ụgwọ ihe ike zuru oke nke ọkụ induction ugboro 1 ton nke dabara na 800 kVA transformer site na 0.78 ruo ihe dịka 0.95.Ngwa nzacha ihe nzacha kwesịrị ịbụ nke nwere ikike nke 360 kVA, nke enwere ike ịtụgharị na-akpaghị aka ka ọ bụrụ otu ikike 6, yana ikike nhazi ọkwa bụ 50 kVA, nke nwere ike izute ihe dị iche iche chọrọ ike nke ọkụ induction ugboro ugboro.Ụdị imewe a na-ekwe nkwa n'ụzọ zuru ezu na ihe ike gbanwere dị elu karịa 0.95.
Ntụle mmetụta mgbe echichi nke nzacha nzacha
Na mbido June 2010, etinyere ngwaọrụ nkwụghachi ụgwọ ọkụ nke etiti oge ọkụ ma tinye ya n'ọrụ.Akụrụngwa na-akpachapụ anya mgbanwe ibu nke ọkụ induction ugboro ugboro, na-akwụghachi ụgwọ ọrụ na-arụ ọrụ, ma na-emezi ihe ike.nkọwa dị ka ndị a:
Oge nzipu: Eprel-14-2023