Ozi bụ isi nke ndị ọrụ
Isi ụlọ ọrụ nke ụlọ ọrụ ngwaike na ihe owuwu ụlọ na-arụpụta PC gburugburu nchara, efere ngwụcha, ahịrị galvanized, ahịrị ihe emezigharịrị, 30MnSi na ngwa ahịa ndị ọzọ.Ụlọ ọrụ ahụ nwere ahịrị mmepụta 4 dị mma, nke na-eji ọkụ ọkụ na-ekpo ọkụ na-emegharị ugboro ugboro na DC na-emegharị ugboro ugboro, na 2000KVA2 (tinyere na tandem).Eserese usoro ọkọnọ ike bụ nke a:
Ezigbo data arụ ọrụ
Isi ihe dị ike bụ PF = 0.82, ugbu a na-arụ ọrụ bụ 2250A, isi ihe dị ugbu a bụ ugboro 5, ngụkọta ugbu a na-aghọ 23.6%.
Nyocha Ọnọdụ Sistemu Ike
Isi ibu nke ọkụ induction ugboro etiti, ọkụ induction ugboro ugboro na inverter rectifier ike ọkọnọ bụ 6th pulse rectifier.Akụrụngwa na-emegharị ihe na-emepụta ọtụtụ pulse ugbu a mgbe ị na-atụgharị AC ugbu a na voltaji AC.The harmonic ugbu a webatara n'ime ike okporo nwere ike ime ka usu ugbu a na-arụ ọrụ voltaji, na-akpata mgbanwe na-arụ ọrụ voltaji na nke ugbu a, ize ndụ àgwà na arụmọrụ nchekwa nke ịmafe ike onunu, na-amụba akara ọnwụ na arụ ọrụ voltaji deviation, na-ezighị ezi na-emetụta ike okporo. ngwa eletriki nke ụlọ ọrụ ọkụ n'onwe ya.
Ihe njikwa mmemme kọmputa (PLC) na-enwe mmetụta maka ngbanwe kwekọrọ na voltaji na-arụ ọrụ nke ọkụ ọkụ na-agbanwe.A na-akọwakarị na ngụkọta pulse ugbu a na-arụ ọrụ voltaji etiti ọnwụ (THD) bụ ihe na-erughị 5%, na onye ọ bụla pulse ugbu a voltaji na-arụ ọrụ Ọ bụrụ na etiti ọnụego dị elu, njehie ọrụ nke sistemu njikwa nwere ike ibute nkwụsị nke. mmepụta ma ọ bụ ọrụ, na-ebute nnukwu ihe mberede mmepụta ihe.Ya mere, a ga-eji nkwụghachi ụgwọ ọrụ obere voltaji nke nzacha nwere ọrụ nke nzacha pulse dị ugbu a iji kwụọ ụgwọ ọrụ na-arụ ọrụ ma melite ihe ike.
Nyochaa atụmatụ ọgwụgwọ nkwụghachi ike na-emeghachi omume
Ebumnuche ọchịchị
Nhazi nke akụrụngwa nkwụghachi ụgwọ nzacha na-emezu ihe achọrọ nke mkpochapụ kwekọrọ na njikwa mmechi ike.
N'okpuru ọnọdụ sistemụ 0.4KV, mgbe etinyere ngwa nzacha nzacha nzacha, a na-ebelata pulse current, na nkezi ike kwa ọnwa dị gburugburu 0.92.
Resonance kwekọrọ n'usoro dị elu, resonance overvoltage, na nfefe gafere site na ijikọ na sekit nkwụ ụgwọ alaka nzacha agaghị eme.
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
Ọnọdụ teknuzu nkwụghachi ụgwọ ọrụ ike JB/T9663-1999 "Onye na-ahụ maka nkwụghachi ụgwọ dị ala na-arụ ọrụ" site na ọnụ ahịa nkwekọ dị elu dị ugbu a nke obere voltaji na ngwa eletrọnịkị GB/T17625.7-1998
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
Dị ka ọnọdụ ụlọ ọrụ ahụ siri dị, ụlọ ọrụ ahụ haziri atụmatụ nkwụghachi ụgwọ ike zuru ezu maka ọkụ induction ugboro ugboro yana ọkụ inverter.N'ịtụle ihe ike ibu na ihe nzacha pulse dị ugbu a, A set nke nzacha obere voltaji reactive ike akwụ ụgwọ, yochaa usu ugbu a, kwụọ ụgwọ reactive, na melite ike ihe.
N'ime usoro dum nke ọkụ induction ugboro etiti na onye ntụgharị, ihe ndị mejupụtara ya na-emepụta 6K pulse currents, nke a na-agbanwe dị ka usoro nke Fourier dị ugbu a si dị, na njirimara pulse currents na-emepụta na 5250Hz na 7350Hz.Ya mere, mgbe ị na-emebe nzacha reactive ike nkwụghachi ụgwọ, nro Starter na 350Hz ugboro imewe atụmatụ hụ na nzacha ụgwọ ike ọkọnọ sekit bụ ihe ezi uche dị na ya na nzacha pulse ugbu a mmepụta ike akwụ ụgwọ ka mma iji melite ike ihe nke mere na usoro software pulse ugbu a bụ. kwekọrọ na GB/T3 n'otu.
imewe ọrụ
A na-akwụ ụgwọ ihe mmalite dị nro na ike dị nro nke otu ọ bụla nke 2000KVA transformers site na 0.8 ruo 0.95, 5th pulse current na-ebelata site na 420A ruo 86A, 7th pulse current na-ebelata site na 230A ruo 46A, yana akụrụngwa nzacha nzacha kwesịrị. etinyere ya na olu nke 1060KVar.A na-ekewa nzacha ahụ n'ime otu 6, a na-eji nzacha nzacha maka onye na-agba ume na-agbanwe ike na ballast, na-ekewa nzacha n'ime oge 5, ugboro 7, a na-agbanwekwa sekit nkwụghachi ụgwọ ọkụ eletrik na-akpaghị aka iji tụlee ọkụ ọkụ induction ugboro ugboro. , nyo na reactive ike Ngwọta atụmatụ atụmatụ atụmatụ.
Nhazi a na-eme n'ụzọ zuru oke na njikwa kwekọrọ na ọkọlọtọ mba GB/T 14549-93, ma na-edozi ihe ike nke ọkụ ọkụ etiti na ihe ntụgharị ugboro karịa 0.95.Dị ka egosiri n'okpuru:
Ntụle mmetụta mgbe echichi nke nzacha nzacha
N'ọnwa Jun 2010, etinyere ngwaọrụ nkwụghachi ụgwọ ọrụ nke etiti oge ọkụ na ihe ntụgharị ugboro ugboro wee tinye ya n'ọrụ.Ngwa ahụ na-akpachapụ anya mgbanwe ibu nke ọkụ etiti na ihe ntụgharị ugboro ugboro, ma na-ewepụ nkwekọ dị elu iji kwụọ ụgwọ ike na-emeghachi omume ma melite ihe ike.nkọwa dị ka ndị a:
Eserese nkesa ụdịdị dị iche iche
Ibu Ibu Waveform
Mgbe etinyere ngwaọrụ nzacha nzacha, mgbanwe mgbanwe mgbanwe ike mgbe etinyere ngwaọrụ nkwụ ụgwọ nzacha bụ ihe dịka 0.97 (akụkụ ewelitere bụ ihe dịka 0.8 mgbe ewepụrụ ngwaọrụ nkwụ ụgwọ nzacha)
Ibu ọrụ
Nke ugbu a nke ọ bụla set nke 2000KVA transformers na-ebelata site na 2250A ruo 1860A, mbelata nke 17%;mgbe nkwụghachi ụgwọ, uru mbelata ọnwụ ike bụ WT=△Pd*(S1/S2)2*τ*[1-(cosφ1/cosφ2)2]=24 ×{(0.85×2000)/2000}2×0.4≈16 (kw h) Na usoro, Pd bụ mkpirisi okirikiri ọnwụ nke transformer, nke bụ 24KW, na kwa afọ na-azọpụta ọkụ eletrik mmefu bụ 16*20*30*10*0.7=67,000 yuan (dị ka ọrụ awa 20 a. ụbọchị, ụbọchị 30 n'ọnwa, ọnwa 10 n'afọ, 0.7 yuan kwa kilowatt-hour);ego ọkụ eletrik echekwara n'ihi mbelata nkwekọ: Ọnwụ nke ugbu a na-agbanwe agbanwe na-eme ka ọ bụrụ ihe na-abawanye ụba ferromagnetic ọnwụ na ọnwụ ọla kọpa, ọnwụ ferromagnetic metụtara ike nke atọ nke ugboro ugboro ugbu a.Na mkpokọta, a na-ewere 2% ~ 5% na injinia, a na-ewerekwa 2% maka ibu emezigharị, ya bụ: WS=2000*6000*0.7*0.02≈168,000 yuan, ya bụ, Chekwa ọkụ eletrik kwa afọ (6.7+16.8)* 2=47 (10,000 yuan).
ọnọdụ ihe kpatara ike
Akwubawanye ihe ikike ụlọ ọrụ ahụ n'ozuzu ya site na 0.8 ruo 0.95, na-echekwa ihe ikike ikike kwa ọnwa na 0.96-0.98, yana ụgwọ ọrụ ọzọ nke 6,000-10,000 yuan.
N'ihe niile, nkwụghachi ụgwọ ọkụ dị ala nke ihe nzacha MFF na VF nwere ihe nzacha mara mma ma na-akwụghachi ụgwọ ndị na-arụ ọrụ, na-edozi nsogbu nke ntaramahụhụ ike na-emeghachi omume, na-abawanye ikike mmepụta nke ndị na-agbanwe agbanwe, na-eme ka ike dị mma, na-eme ka njirimara nke ọkụ eletrik na-arụ ọrụ. akụrụngwa, ma na-ebelata arụ ọrụ ike akwụ ụgwọ Oriri, arụmọrụ mma, ịrịba aku na uba uru na ụlọ ọrụ, ego na a nloghachi ọnụego nke na-erughị otu afọ maka ndị ahịa, wdg Ya mere, ụlọ ọrụ dị nnọọ afọ ojuju na-akwụ ụgwọ nke etiti ugboro induction ọkụ. na nzacha reactive ibu nke inverter ike ọkọnọ, na ga-ewebata ọtụtụ ndị ahịa n'ọdịnihu.
Oge nzipu: Eprel-14-2023