Ke masimong afe moo phepelo ea motlakase ea UPS e sebelisoang haholo?
Lisebelisoa tsa tsamaiso ea motlakase oa UPS ke mofuta oa pele oa lisebelisoa tsa tlhahisoleseding, haholo-holo tse sebelisoang ts'ireletso ea ts'ireletso ea lisebelisoa tsa tlhahisoleseding ea k'homphieutha, mekhoa ea puisano, litsi tsa marang-rang a marang-rang, joalo-joalo Lefapheng le leholo la data, indasteri e kholo ea data, lipalangoang tsa litsela, indasteri ea indasteri ea lichelete. ketane, ketane ea indasteri ea lifofane, joalo-joalo E le thepa ea bohlokoa ea pheriferale ea sistimi ea tlhaiso-leseling ea khomphutha, sistimi ea puisano le setsi sa marang-rang sa data, phepelo ea motlakase e sa senyeheng e phetha karolo ea bohlokoa haholo ho sireletsa data ea komporo, ho netefatsa botsitso ba marang-rang a marang-rang le maqhubu, ho ntlafatsa boleng ba marang-rang a matla, le ho thibela ho senyeha ha motlakase hang-hang le ho senyeha ha motlakase ho sa lebelloang ho baka kotsi ho basebelisi.karolo.
Mofuta oa bobeli oa lisebelisoa tsa sistimi ea phepelo ea matla a indasteri ea UPS e sebelisoa haholo masimong a matla a motlakase, tšepe, litšepe tse senang ferrous, mashala, petrochemical, kaho, meriana, koloi, lijo, sesole le likarolo tse ling indastering ea lisebelisoa tsa matla a indasteri. , ho etsa bonnete ba hore lisebelisoa tsohle tsa tsamaiso ea liindasteri tsa motlakase, tse hole Ho tšepahala ha phepelo ea motlakase oa liindasteri bakeng sa lisebelisoa tsa phepelo ea motlakase tse sa senyeheng tsa AC le DC joalo ka lisebelisoa tsa tsamaiso ea tsamaiso, khokahanyo ea sekhechana sa motlakase se phahameng haholo, ts'ireletso ea relay, lisebelisoa tsa othomathiki, le lisebelisoa tsa mats'oao.Lisebelisoa tsa motlakase tse sa senyeheng tsa boemo ba indasteri ke lihlahisoa tsa maemo a holimo har'a lisebelisoa tsa motlakase tse ke keng tsa senyeha.E kenyelletsa theknoloji ea elektronike ea matla bakeng sa ho fetola matla a matla (mohlomong megawatt-level), tsamaiso ea taolo ea dijithale, AC series redundancy technology, active pulse current suppression technology, high-power production technology, joalo-joalo. Ho hlakile hore lik'hamphani tse tloaelehileng tsa phepelo ea motlakase ha li khone ho kena. indasteri ena.Ke lik'hamphani tse nang le mahlale a matla a matla a elektroniki a matla le letoto la nts'etsopele ea lihlahisoa, bokhoni ba tlhahiso le lits'ebeletso, 'me li bokelletse tlhahiso ea indasteri le boiphihlelo ba ts'ebeliso, tse ka etsang mosebetsi o motle moralong oa lits'ebetso tsa phepelo ea motlakase tse sa senyeheng, Ho etsa le ho rekisa 'maraka. ditshebeletso.
Hajoale, ho na le meralo e mene ea khatello e kholo ea UPS ea litlatsetso tsa hona joale
moralo 1.
6-pulse UPS + e sebetsang ka mokhoa o phahameng oa li-harmonic filter, ho kenya li-harmonics tsa morao-rao tse phahameng <5% (moroalo o lekantsoeng), matla a ho kenya letsoho 0.95.Tokisetso ena e etsa hore pontšo ea ho kenya e be e ntle haholo, empa theknoloji ea eona ha e e-s'o hōle, 'me ho na le mathata a kang matšeliso a phoso, overcompensation, joalo-joalo, e bakang joalo ka ho khoptjoa ka bohata kapa ho senyeha ha sesebelisoa se seholo sa ho kenya.Litšitiso tsa theknoloji ea THM e sebetsang ea harmonic filter li tloaelehile
a) Ho na le bothata ba "matšeliso a bohata": hobane lebelo la karabelo ea matšeliso le feta 40ms, ho na le kotsi e ka 'nang ea e-ba teng ea tšireletso ea "matšeliso a bohata".Ka mohlala, ha u etsa ts'ebetso ea ho khaola / ho laela matla a ho kenya letsoho, kapa ho etsa mesebetsi e boima ea ho khaola / ho laela mahlakoreng a holimo le a tlaase a UPS, ho bonolo ho baka "puseletso ea ho kheloha".Leseli le ile la khanya, la baka "phetoho ea tšohanyetso" ho matla a holimo a kenyang harmonic current.Ha e le mpe le ho feta, e tla baka "ho khoptjoa ka bohata" ha sesebelisoa sa UPS.
b) Botšepehi bo fokolang: Bakeng sa motlakase o ke keng oa senyeha o nang le li-pulses tse 6 + filthara e sebetsang, tekanyo ea ho hlōleha e phahame, hobane tube ea motlakase ea motlakase oa eona le converter ke tube ea IGBT.Ho fapana le hoo, bakeng sa 12-pulse + passive filter UPS, li-inductors le li-capacitor tse tšepahalang li sebelisoa lihloeng tsa eona.
c) Fokotsa ts'ebetso ea sistimi le ho eketsa litšenyehelo tsa ts'ebetso: ts'ebetso ea ts'ebetso ea li-filters tse sebetsang e ka ba 93%.Khokahanong e ts'oanang ea 400KVA UPS, tlasa boemo ba ho tjhaja ka botlalo le 33% ho kenya matšeliso a holimo a holimo, haeba tefiso ea motlakase e lefshoa ho 0.8 yuan ka KW * hr =, litšenyehelo tsa ts'ebetso tse lefuoang pele selemo se le seng li latela.
400KVA*0.07/3=9.3KVA;tshebediso ya selemo le selemo ya motlakase ke 65407KW.Hr, mme tefiso e ekeditsweng ya motlakase ke 65407X0.8 yuan=52,000 yuan.
d) Ho eketsa sefahla se sebetsang ho bitsa chelete e ngata haholo: mochine o kenang ka lebitso oa filthara e sebetsang 200 kVA UPS ke 303 amps;
Khakanyo ea hajoale ea Harmonic: 0.33*303A=100A,
Haeba tlhahiso ea hona joale ea harmonic e ka tlaase ho 5%, hona joale matšeliso a tlameha ho baloa bonyane: 100A;
Tlhophiso ea 'Nete: Sehlopha sa li-filters tse sebetsang tsa 100 amp.Ho latela khakanyo ea hajoale ea li-yuan tse 1500-2000 bakeng sa ampere, litšenyehelo kaofela li tla eketseha ka li-yuan tse 150,000-200,000, 'me litšenyehelo tsa 6-pulse 200KVA UPS li tla nyoloha ka hoo e ka bang 60% -80%.
Boemo 2
Adopt 6-pulse uninterruptible power supply + 5th harmonic filter.Haeba sesebelisoa sa phepelo ea motlakase se sa senyeheng ke karolo e meraro e laoloang ka botlalo ea borokho-mofuta oa 6-pulse rectifier, li-harmonics tse hlahisoang ke akhaonto ea rectifier bakeng sa hoo e ka bang 25-33% ea li-harmonics tsohle, 'me ka mor'a ho kenyelletsa filthara ea 5th harmonic, li-haronics li teng. e fokotsehile ka tlase ho 10%.Ntho e kenyang matla ke 0.9, e ka fokotsang kotsi ea hona joale ea harmonic ho grid ea matla.Ka tlhophiso ena, li-harmonics tsa hona joale tsa ho kenya li ntse li le kholo, 'me tekanyo ea matla a jenereithara e hlokahala hore e be kholo ho feta 1: 2,' me ho na le kotsi e patehileng ea keketseho e sa tloaelehang ea tlhahiso ea jenereithara.
Khetho ea 3
Morero o fosahetseng oa 12-pulse o sebelisang phase-shifting transformer + 6-pulse rectifier e entsoe ka tse peli tse 6-pulse rectifier:
a) Sesebelisoa se tloaelehileng sa 6-pulse rectifier
b) Sefetoleli se fetotsoeng ka likhato tse 30 + 6-pulse rectifier
UPS ea fake ea 12-pulse rectifier.Ka holim'a metsi, li-harmonics tsa hona joale tse kenyang mojaro o felletseng li bonahala li le 10%.Tokiso ena e na le ntlha e le 'ngoe e hlolehileng.Ha phepelo ea motlakase e ke keng ea senyeha e hloleha, motlakase o kenang oa sistimi o eketseha haholo, o beha ts'ireletseho ea sistimi ea phepelo ea motlakase kotsing.
Mathata a mantlha:
1).Ho khaola likhutlo le lisebelisoa tsa sesebelisoa sa pele, lisebelisoa tse ngata ha li eo.
2).Haeba rectifier ea UPS e hlōleha, e tla fetoloa ho 6-pulse UPS, 'me litaba tsa harmonic li tla eketseha haholo.
3).'Me taolo ea mohala oa libese oa DC ke mokhoa o bulehileng oa ho laola.Ho arolelana hona joale ho ka se be ntle haholo.Nako ea harmonic ka mojaro o bobebe e ntse e tla ba kholo haholo.
4).Katoloso ea sistimi e tla ba thata haholo
5).Transformer ea phase-shifting e kentsoeng ha se sehlahisoa sa mantlha, 'me papali le sistimi ea mantlha e ke ke ea ba ntle haholo.
6).Sebaka sa fatše se tla ba seholo haholo
7).Ts'ebetso ke 12-15%, e seng ntle joalo ka UPS ea 12-pulse.
Khetho ea 4
Adopt 12-pulse uninterruptible power supply + 11-order harmonic filter.Haeba sesebelisoa sa phepelo ea motlakase se sa senyeheng e le karolo e meraro e laoloang ka botlalo ea borokho ba mofuta oa 12-pulse rectifier, kamora ho kenyelletsa filthara ea 11-order ea harmonic, e ka fokotsoa ho ba ka tlase ho 4.5%, e ka felisang kotsi ea harmonic ka botlalo. litaba tse teng hona joale ho marang-rang a matla, 'me tekanyo ea theko ke Mohloli oa mohloli o tlaase haholo.
12-pulse UPS + 11th harmonic filter e amohetsoe, ho kenngoa ha harmonic hona joale ke 4.5% (moroalo o lekantsoeng), 'me matla a ho kenya letsoho ke 0.95.Mofuta ona oa tlhophiso ke tharollo e felletseng le e tšepahalang bakeng sa indasteri ea phepelo ea motlakase ea UPS, 'me e hloka bophahamo ba jenereithara ea 1: 1.4.
Ho ipapisitsoe le tlhahlobo e kaholimo, leano la ho felisa li-harmonic tsa 12-pulse rectifier + 11th-order harmonic filter e nang le ts'ebetso e ntle, ts'epo e phahameng, ts'ebetso e tsitsitseng le e ts'eptjoang, le ts'ebetso e ntle ea litšenyehelo e khothalletsoa ts'ebetsong.
Nako ea poso: Apr-13-2023