Lintlha tsa motheo tsa basebelisi
K'hamphani e roalang tšepe e etsa liketane tsa tšepe tse boima ba 0.5mm.Khampani e na le mela e 4 ea tlhahiso, ho kenyeletsoa 1 bakeng sa limilone tsa tšepe tse 650 le 3 bakeng sa mechini ea tšepe ea 450.Karolo e 'ngoe ea matla e tsamaisoang ke li-motors tsa DC brushless, le lihlopha tse 3 tsa li-transformer tsa 1250KVA le 630KVA..Setšoantšo sa sistimi ea phepelo ea motlakase ke se latelang:
Lintlha tse sebetsang hantle
Karolelano ea matla a transformer ea 1250KVA ke PF=0.62, motlakase o sebetsang oa 1960A le 630KVA ke 700KVA, matla a tloaelehileng ke PF=0.62, hajoale a sebetsang ke 1050A, li-transformer kaofela li boima bo feteletseng, le pulse ea hona joale. ke makhetlo a 5, karolelano ea hona joale ea phetoho ea molumo ke 18.5%.
Tlhahlobo ea Boemo ba Boemo ba Matla
Mojaro o ka sehloohong oa DC brushless motor ballast ke 6 single-pulse ballasts.Thepa ea ballast e hlahisa palo e kholo ea pulse hajoale ts'ebetsong ea AC, AC le DC.Ke mohloli o tloaelehileng oa pulse hajoale.Ha e kenngoa ka har'a marang-rang a matla, motlakase oa harmonic Motlakase oa hona joale oa ho sebetsa o bakoa ke ho senyeha ha marang-rang a matla, e leng se bakang ho tsoa ha motlakase le hona joale, ho beha boleng le ts'ireletso ea ts'ebetso kotsing. ea phepelo ea motlakase, e eketsa tahlehelo ea mohala le ho kheloha ha motlakase o sebetsang, 'me e na le phello e mpe marangrang a motlakase le lisebelisoa tsa motlakase ka botsona.Ka hona, puseletso ea koloi ea brushless DC e lokela ho sebelisa puseletso ea matla a tlaase-voltage reactive ea filthara ea hona joale ea khatello ea motlakase ho lefella mojaro o sebetsang, ho ntlafatsa matla a matla, 'me e ke ke ea fuoa kotlo ka matla a sebetsang ho eketsa tlhahiso ea transformer. .
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 ea ka boemo bo ikhethileng ba k'hamphani, leano la puseletso ea matla a reactive ea DC brushless motor filter e etselitsoe ho ela hloko matla a matla le khatello ea hona joale ea pulse, mme sete ea puseletso ea motlakase e tlase e kentsoeng tlase ea 0.4kV. lehlakore la voltage ea transformer, ho hatella hona joale, le ho lefa mojaro o sebetsang, le ho ntlafatsa matla a matla.The ballast e hlahisa 6K-1 pulse current ts'ebetsong ea brushless DC motor, 'me e sebelisa cascaded current ho qhala hona joale,' me hona joale e qhibilihisitsoeng e ka ba 5250Hz le 7350Hz.Ka hona, moralo o sebetsang oa puseletso ea matla a filthara ea maqhubu a mahareng a induction e lokela ho nka 250Hz, 350Hz le moralo oa maqhubu joalo ka sepheo, e le ho etsa bonnete ba hore lekala la mats'eliso a filthara le ka hatella puseletso ea hona joale ea pulse, 'me ka nako e ts'oanang. nako hatella mojaro o sebetsang le ho ntlafatsa Power Factor.
kabelo ea moralo
Matla a felletseng a mohala oa tlhahiso ea makoloi a 12500KVA DC a lefelloa ho tloha ho 0.62 ho isa ho 0.95.Thepa ea puseletso ea filthara e tlameha ho kenngoa ka bongata ba 1100KVar, e arotsoeng ka lihlopha tse 10 tsa puseletso ea othomathiki ho lefella ho tsoelipana ka lehlakoreng le tlase la motlakase.45KVAR butle-butle e fetola molumo ho finyella litlhoko tsa matla a tlhahiso ea mohala oa tlhahiso.Mohala oa tlhahiso ea motlakase oa 630KVA oa DC brushless motor Mohala o felletseng oa matla o lefelloa ho tloha ho 0.62 ho isa ho 0.95.Sesebelisoa sa puseletso sa filthara se tlameha ho kenngoa ka molumo oa 600KVar, 'me ka boeona se hakolle phepelo e tlase ea lehlakore la transformer, le molumo oa eona o fetotsoeng butle-butle oa 45KVAR, ho nahanoa ka litlhoko tsa motlakase oa mohala oa tlhahiso.
Tlhahlobo ea phello ka mor'a ho kenya matšeliso a filthara
Ka Mmesa 2010, ho ile ha kengoa sesebelisoa sa mats'eliso a matla a motlakase a sefang motlakase oa DC 'me sa kenngoa tšebetsong.Sesebelisoa se latela ka bohona liphetoho tsa mojaro oa li-motor tsa DC le li-converter tsa frequency, se hatella li-harmonics tse phahameng ka nako ea nnete, se lefella matla a sebetsang, 'me se ntlafatsa matla a matla.lintlha tse latelang:
Kamora hore sesebelisoa sa mats'eliso a sefa se sebelisoe, phetisetso ea motlakase e ka ba 0.99 (karolo e phahamisitsoeng e ka ba 0.6 ha sesebelisoa sa matšeliso se tlosoa)
Ts'ebetso ea mojaro
Hona joale e sebelisoang ke 1250KVA transformer e fokotsehile ho tloha 1960A ho ea ho 1210A, lerotholi la 38%.Hona joale e sebelisoang ke 1630KVA transformer e fokotsehile ho tloha ho 1050A ho ea ho 657A, ho theoha ha 37.5%.Ka mor'a matšeliso, boleng ba ho fokotsa tahlehelo ea matla ke WT=△Pd*(S1/S2)2*τ*[1-(cosφ1/cosφ2)2]=32×{(0.62×3000)3000}2×0.4≈15.8( kw· h) Ka foromo, Pd ke tahlehelo ea potoloho e khutšoane ea transformer, e leng 32KW, mme poloko ea selemo le selemo ea litšenyehelo tsa motlakase ke 15.8 * 10 * 30 * 10 * 0.7 = 33,000 yuan (e ipapisitse le ho sebetsa lihora tse 20 a letsatsi, matsatsi a 10 ka khoeli, le likhoeli tse 10 ka selemo, ka kwh motlakase 0,7 yuan).
boemo ba boemo ba matla
Kakaretso ea litokelo tsa k'hamphani e eketsehile ho tloha ho 0.7 ho isa ho 0.95, ntlha ea khoeli le khoeli ea litokelo e ntse e le 0.96-0.98, 'me moputso oa khoeli le khoeli ke 3,000-4,000 yuan.
Matšeliso a matla a motlakase a tlase a motlakase oa DC a na le bokhoni ba ho hatella pulse hona joale le ho lefella matla a matla a sebetsang, ho rarolla bothata ba kotlo ea matla a sebetsang, ho eketsa bokhoni ba motlakase, ho fokotsa tahlehelo ea matšeliso a sebetsang, ho eketsa tlhahiso. le fa Khamphani e hlahisitse melemo ea bohlokoa ea moruo, mme moreki o fumane letsete la projeke ka nako e ka tlase ho selemo.Ka hona, k'hamphani e khotsofetse haholo ka matšeliso a sebetsang a motlakase a brushless DC motors le inverter filters, 'me e tla tsebisa bareki ba bang nakong e tlang.
Nako ea poso: Apr-14-2023