Lintlha tsa motheo tsa basebelisi
Feme ea marang-rang e entsoeng ka marang-rang e hlahisa lilakane tse fapaneng tse cheselitsoeng, matlooa a terata, matlooa a joang, li-gabion nets, matlooa a barbecue, li-cages tsa mebutlanyana, joalo-joalo. 1000 kVA le 1630 kVA li-transformer.Setšoantšo sa sistimi ea phepelo ea motlakase ke se latelang:
Lintlha tse sebetsang hantle
Kakaretso ea matla a mochine oa tjheseletsa o nang le 1000KVA transformer ke 1860KVA, matla a tloaelehileng ke PF = 0.7, 'me phetoho ea hona joale ea ho sebetsa ke 1050-2700A.Kakaretso ea matla a mochine oa welding o nang le 630KVA transformer ke 930KVA, matla a karolelano ea matla ke PF = 0.7, le ho fetoha ha hona joale ho sebetsa Hona joale ke 570-1420A.
Tlhahlobo ea Boemo ba Boemo ba Matla
Mochini oa tjheseletsa motlakase o sebelisoa haholo-holo ho theola mojaro o moholo oa hona joale, e leng mojaro o sa lekanyetsoang.Thepa e hlahisa palo e kholo ea li-harmonics nakong ea ts'ebetso.Hajoale ea harmonic ea mohloli o tloaelehileng oa harmonic e kenngoa ka har'a marang-rang a matla, 'me impedance ea grid e hlahisa motlakase oa harmonic, e bakang motlakase oa marang-rang le Phapang ea hona joale e ama boleng ba phepelo ea motlakase le ts'ireletso ea ts'ebetso, e eketsa tahlehelo ea mohala le ho fokotsa motlakase,' me e eketsa matla.Ka hona, hoa hlokahala ho khetha software ea sistimi e nang le khatello ea harmonic ho hatella li-harmonics, ho lefella meroalo e sebetsang, le ho ntlafatsa matla a matla.
Sefa moralo oa kalafo oa mats'eliso a matla a sebetsang
Lipheo tsa puso
Moralo oa lisebelisoa tsa matšeliso a filthara o kopana le litlhoko tsa khatello ea harmonic le taolo e sebetsang ea khatello ea matla.
Tlas'a mokhoa oa ho sebetsa oa tsamaiso ea 0.4KV, ka mor'a hore lisebelisoa tsa matšeliso a filthara li kenngoe tšebetsong, pulse current e hatelloa, 'me tekanyo ea khoeli le khoeli ea matla e ka ba 0.92.
Boemo bo phahameng ba harmonic resonance, resonance overvoltage, le overcurrent e bakoang ke ho hokahanya le potoloho ea lekala ea matšeliso ea filthara e ke ke ea etsahala.
Moqapi o Latela Melao
Boleng ba matla Li-harmonics tsa grid ea sechaba GB/T14519-1993
Boleng ba matla Voltage fluctuation le flicker GB12326-2000
Maemo a akaretsang a tekheniki a sesebelisoa sa puseletso ea matla a tlase-voltage reactive GB/T 15576-1995
Sesebelisoa sa mats'eliso a matla a tlase-voltage a sebetsang JB/T 7115-1993
Maemo a tekheniki a puseletso ea matla a sebetsang JB/T9663-1999 "Low-voltage reactive power automatic compensation controller" ho tsoa ho boleng bo phahameng ba moeli oa hona joale oa harmonic oa matla a tlase le lisebelisoa tsa elektroniki GB/T17625.7-1998
Mantsoe a theknoloji ea motlakase Li-capacitor tsa matla GB/T 2900.16-1996
Low voltage shunt capacitor GB/T 3983.1-1989
Reactor GB10229-88
Mohloli oa IEC 289-88
Taolo ea mats'eliso a matla a tlase a sebetsang ka matla a tlase a laela maemo a tekheniki DL/T597-1996
Kereiti ea tšireletso ea motlakase ea matla a tlase a GB5013.1-1997
Li-switchgear tse tlase-tlase le lisebelisoa tsa taolo GB7251.1-1997
Mehopolo ea moralo
Ho ipapisitsoe le boemo ba 'nete ba khoebo, k'hamphani e nka ka botlalo matla a matla le khatello ea matla bakeng sa puseletso ea matla a filthara ea mochini oa tjheseletsa, mme e kenya sesebelisoa sa puseletso ea matla e sebetsang ka lehlakoreng la 0.4KV la khoebo. transformer ho hatella li-harmonics le ho lefella matla a sebetsang ho ntlafatsa ntlha ea matla.
Nakong ea ts'ebetso ea mochini oa welding, linako tse 3 tsa 150HZ, linako tse 5 tsa 250HZ le li-harmonics tse kaholimo li hlahisoa.Ka hona, moralong oa puseletso ea matla a mats'oao a mochini oa mochini oa welding oa bobeli, maqhubu a 150HZ, 250HZ le ho potoloha a tlameha ho etsoa ho netefatsa hore loop ea puseletso ea filthara e ka hatella hona joale ha e ntse e lefella mojaro o sebetsang le ho ntlafatsa matla. ntlha.
kabelo ea moralo
Matla a pharalletseng a mohala oa tlhahiso ea mochini oa bobeli oa tjheseletsa o tsamaellanang le 1000 kVA transformer e lefshoa ho tloha ho 0.7 ho isa ho 0.92.Sesebelisoa sa ho hloekisa Thepa ea matšeliso e tlameha ho kenngoa ka matla a 550 kVA.Lihlopha tse 9 tsa li-capacitor tse karohano ea mohato li hokahane ka bohona le ho khaoloa, 'me e' ngoe le e 'ngoe ea tsona e ts'oana le matsoelintsoeke a lehlakoreng le tlase la motlakase oa transformer.Matla a phetoho ea sehlopha ke 25KVAR, e ka fihlelang litlhoko tse fapaneng tsa matla a mochini oa welding oa tiiso ea bobeli.Matla a pharalletseng a mochini oa welding oa bobeli o netefalitsoeng o tsamaellanang le 630 kVA transformer e lefshoa ho tloha ho 0.7 ho isa ho 0.92.Thepa ea matšeliso ea sesebelisoa sa filtration e tlameha ho kenngoa ka matla a 360 kVA.Lihlopha tse 9 tsa li-capacitor tse karohano ea mohato li hokahane ka bohona le ho khaoloa, 'me e' ngoe le e 'ngoe ea tsona e ts'oana le matsoelintsoeke a lehlakoreng le tlase la motlakase oa transformer.Matla a ho fetola sehlopha ke 25KVAR, e ka finyellang litlhoko tse fapaneng tsa matla a mohala oa tlhahiso.Moralo ona o lekane ho netefatsa hore matla a fetotsoeng a phahame ho feta 0.92.
Tlhahlobo ea phello ka mor'a ho kenya matšeliso a filthara
Ka Mmesa 2010, mochini oa tjheseletsa o ile oa romelloa ka sekepe ho tsoa fekthering.Sesebelisoa se latela ka bohona phetoho ea mojaro oa mochini oa welding, se hatella matla a sebetsang a puseletso ea harmonic ka nako ea nnete, mme se ntlafatsa matla a matla.lintlha tse latelang:
Kamora hore sesebelisoa sa mats'eliso a filthara se sebelisoe, phetisetso ea phetoho ea matla e ka ba 0.97 (karolo e phahamisitsoeng e ka ba 0.8 ha sesebelisoa sa matšeliso se tlosoa)
Ts'ebetso ea mojaro
Ts'ebetso ea motlakase ea 1000KVA e theoha ho tloha ho 1250A ho ea ho 1060A, tekanyo ea ho fokotsa 15%, 'me mokhoa oa ho sebetsa oa 630KVA o theoha ho tloha 770A ho ea ho 620A, tekanyo ea ho fokotsa 19%.Ka mor'a matšeliso, boleng ba ho fokotsa tahlehelo ea matla ke WT=△Pd*(S1/S2)2*τ*[1-(cosφ1/cosφ2)2]=24×{(0.85×2000)/2000}2×0.4≈16 (kw h) Ka foromo, Pd ke tahlehelo ea potoloho e khuts'oane ea transformer, e leng 24KW, mme poloko ea selemo le selemo ea litšenyehelo tsa motlakase ke 16 * 20 * 30 * 10 * 0.7 = 67,000 yuan (e thehiloeng ho sebetsa lihora tse 20 a letsatsi, matsatsi a 30 ka khoeli, likhoeli tse 10 ka selemo, 0,7 yuan ka kWh).
boemo ba boemo ba matla
Matla a pharalletseng a khoebo a eketsehile ho tloha ho 0.8 ho isa ho 0.95 khoeling ea hajoale, 'me matla a khoeli le khoeli a tla lula a le 0.96-0.98 nakong e tlang, mme bonase ea khoeli le khoeli e tla ba 3000-5000 yuan.
ha re phethela
Sesebelisoa sa mats'eliso a matla a sefahla sa mochini oa welding oa motlakase se na le bokhoni ba ho hatella li-harmonics le ho lefella matla a sebetsang, ho rarolla bothata ba likotlo tsa motlakase tse sebetsang likhoebong, ho ntlafatsa bokhoni ba li-transformer, ho fokotsa tahlehelo e eketsehileng, ho eketsa tlhahiso, le ho tlisa moruo o moholo. melemo ho likhoebo.Khutlisa matsete ka nako e ka tlase ho selemo.Ka hona, sesebelisoa sa matšeliso a matla a sebetsang se entsoeng ke k'hamphani se khotsofetse haholo, 'me se tla hohela bareki ba bangata nakong e tlang.
Nako ea poso: Apr-14-2023