Chomera cha Petrochemical

Zambiri za ogwiritsa ntchito
Chomera cha petrochemical makamaka chimapanga zinthu zamagesi.Zipangizo zamagetsi zomwe zimagwiritsidwa ntchito ndi kampaniyo ndizoyendetsa zoyambira zofewa, ndipo chosinthira chogawa ndi 2500 kVA.Chithunzi cha dongosolo lamagetsi ndi motere:

Zomwe zimagwira ntchito
Mphamvu yonse ya otembenuza pafupipafupi a 2500KVA transformer ndi 1860KVA, mphamvu yapakati ndi PF = 0.8, ndipo yomwe ikugwira ntchito ndi 2400-2700A.

Kusanthula Mkhalidwe Wamagetsi
Chinsinsi chamagetsi a inverter ndi katundu wa rectifier inverter power supply driver, yomwe ndi ya discrete system load.Zida zimapanga ma harmonics ambiri panthawi ya opaleshoni, yomwe ndi gwero lodziwika bwino.Mphamvu yamagetsi yomwe imalowa mu gridi yamagetsi imayambitsa mphamvu yamagetsi yogwiritsira ntchito mphamvu yamagetsi pamtundu wa gridi yamagetsi, zomwe zimabweretsa kusinthasintha kwa magetsi ogwira ntchito ndi magetsi a magetsi, kuwononga khalidwe ndi chitetezo cha kayendedwe ka magetsi, ndikuwonjezera mphamvu yamagetsi. kutayika kwa mzere ndi kulakwitsa kwamagetsi ogwirira ntchito, ndikuwononga kwambiri ma gridi yamagetsi ndi mafakitale opangira.Zipangizo zake zamagetsi, makamaka kabati yolipirira mphamvu yokhazikika imayambitsa zovuta, ndipo ndizosavuta kuyambitsa kugwedezeka kwa ma harmonic, kuwononga zida zamagetsi monga makabati a capacitor.Chifukwa chake, fyuluta yolipirira mphamvu yocheperako yocheperako yokhala ndi ma harmonic kupondereza iyenera kusankhidwa kuti ipondereze ma harmonics a dongosolo, kubweza katundu wokhazikika, ndikuwongolera mphamvu yamagetsi.

Sefa dongosolo lothandizira chipukuta misozi
Zolinga zaulamuliro
Zida zolipirira zosefera zidapangidwa kuti zikwaniritse zofunikira pakuwongolera ma harmonics ndi mphamvu yogwira ntchito.
Pansi pa 0.4KV system operation mode, zida zolipirira zosefera zitachoka pafakitale, kuponderezedwa kwa harmonic kumakhala pamwamba pa 0.92 pamagetsi apakati pamwezi.

Osayambitsa ma harmonic resonance kapena resonance overvoltage komanso overcurrent chifukwa cha kulipidwa kwa nthambi zolowera.
Mapangidwe Amatsatira Miyezo
Ubwino wa mphamvu Public gululi harmonics GB/T14519-1993
Kusinthasintha kwamphamvu kwa Voltage ndi kusinthasintha kwa GB12326-2000
General mikhalidwe luso otsika-voteji zotakasika mphamvu chipukuta misozi chipangizo GB/T 15576-1995
Chipangizo cholipirira magetsi otsika-voltage JB/T 7115-1993
Chiwongola dzanja champhamvu chaukadaulo JB/T9663-1999 "Low-voltage reactive power automatic compensation controller" kuchokera pamlingo wapamwamba kwambiri wapano wamagetsi otsika ndi zida zamagetsi
Electrotechnical mawu Mphamvu capacitors GB/T 2900.16-1996
Low voteji shunt capacitor GB/T 3983.1-1989
Mphamvu ya GB10229-88
Mphamvu ya IEC 289-88
Low voteji reactive mphamvu chipukuta misozi
Mtsogoleri kuyitanitsa zinthu luso DL/T597-1996
Low-voltage magetsi mpanda chitetezo kalasi GB5013.1-1997
Low-voltage switchgear ndi zida zowongolera

Malingaliro opangira
Malinga ndi momwe zinthu zilili pakampaniyo, kampani yathu imaganizira mozama za mphamvu yamagetsi komanso kuponderezana kwamtundu wamtundu wa inverter, ndikuyika chiwongola dzanja chopanda pake pagawo la 0.4KV lamagetsi otsika a thiransifoma. imachepetsa ma harmonics ndikulipiritsa kuwonjezeka kwa mphamvu yogwira ntchito.mphamvu.
Panthawi yosinthira pafupipafupi, imapanga nthawi 5 za 250HZ, nthawi 7 za 350HZ ndi ma harmonics ena apamwamba.Choncho, pokonza fyuluta osagwira chipukuta misozi cha inverter, ziyenera kuwonetseredwa kuti fyuluta chipukuta misozi dera dera akhoza bwino kupondereza ma harmonics ndi kubweza mphamvu zopanda mphamvu kwa mafurikwense pamwamba 250HZ ndi 350HZ kusintha mphamvu chinthu.

ntchito yopanga
Mphamvu yokwanira yamagetsi amagetsi opangira magetsi ofananira ndi thiransifoma iliyonse ya 2500 kVA imalipidwa kuchokera pa 0.8 mpaka pafupifupi 0.92.Zida zolipirira zida zosefera ziyenera kukhazikitsidwa ndi mphamvu ya 900 kWh.Kuthekera kwa magulu 11 a magawo ogawanitsa kumafanana ndi ma windings omwe ali pansi pa voltage mbali ya thiransifoma kuti alumikizike ndi kuchotsedwa basi.Kusintha kwa gulu ndi 45KVAR, yomwe imatha kukwaniritsa zofunikira zosiyanasiyana zamagetsi zoyambira zofewa ndi mizere yopanga.Mapangidwe amtunduwu amatsimikizira kwathunthu kuti mphamvu yosinthidwa ndiyokwera kuposa 0.95.

Kusanthula zotsatira pambuyo kukhazikitsa chipukuta misozi
Mu June 2011, chipangizo cha inverter filter reactive power compensation chidaikidwa ndikuyamba kugwira ntchito.Chipangizocho chimangotsata kusintha kwa katundu wa inverter, nthawi yomweyo imapondereza kugunda kwapamwamba kwamakono kuti kulipirire katundu wothamanga, ndikuwongolera mphamvu yamagetsi.zambiri monga izi:

Chida cholipirira chikagwiritsidwa ntchito, mphamvu yosinthira mphamvu imakhala pafupifupi 0.98 (gawo lokwezeka limakhala pafupifupi 0.8 pomwe chida cholipirira chosefera chimachotsedwa)

Katundu ntchito
Kugwira ntchito kwa 2500KVA thiransifoma kumachepetsedwa kuchokera ku 2700A mpaka 2300A, ndipo kuchepetsako ndi 15%.Pambuyo pa chipukuta misozi, mtengo wochepetsera kutaya mphamvu ndi WT=△Pd*(S1/S2)2*τ*[1-(cosφ1/cosφ2)2]=24×{(0.85×2000)/2000}2×0.4≈16 (kw h) Mu chilinganizo, Pd ndi kutayika kwafupipafupi kwa thiransifoma, yomwe ndi 24KW, ndipo kupulumutsa pachaka kwa ndalama zamagetsi ndi 16 * 20 * 30 * 10 * 0.7 * 2 = 134,000 yuan (kutengera ntchito 20 maola pa tsiku, masiku 30 pamwezi, ndi miyezi 10 pachaka, 0.7 yuan pa kWh).

mphamvu factor situation
Mphamvu yamphamvu ya kampaniyo yakula kuchokera ku 0.8 mpaka 0.95 mwezi uno, ndipo mphamvuyo idzasungidwa pa 0.96-0.98 mwezi wotsatira, ndipo mphotho idzawonjezeka ndi 5000-6000 yuan mu Januwale.
Ambiri, otsika-voteji zotakasuka mphamvu chipukuta lofewa zoyambira fyuluta ali ndi luso bwino kupondereza zimachitika panopa ndi kubweza mphamvu zotakasika, kuthetsa vuto la zotakasika mphamvu chilango cha kampani, kuonjezera linanena bungwe buku la thiransifoma, ndi kuchepetsa. mphamvu yogwira Kugwiritsidwa ntchito kowonjezera kwa mankhwalawo kunachulukitsa zotulukapo, kunabweretsa phindu lodziwikiratu lazachuma ku kampaniyo, ndikubwezeretsanso ndalama za kasitomala mkati mwa chaka chimodzi.Chifukwa chake, chiwongola dzanja choyambira chofewa choyambitsa mphamvu chopangidwa ndi kampani ndichokwanira, ndipo chidzakopa makasitomala ambiri mtsogolo.