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Mohlala oa Phetoho ea Schneider

Transformer ke sesebelisoa se sebelisang molao-motheo oa motlakase oa motlakase ho fetola motlakase oa AC. Likarolo tse kholo ke kela ea mantlha, kela ea bobeli le mokokotlo oa tšepe (matla a khoheli). Mesebetsi ea mantlha ke: phetoho ea motlakase, phetoho ea hajoale, phetoho ea impedance, ho itšehla thajana, ho tsitsisa matla a motlakase (magnetic saturation transformer), jj. E ka aroloa ka: li-transformer tsa motlakase le li-transformer tse khethehileng (li-transformer tsa sebopi sa motlakase, li-transformer tsa motlakase, li-transform tsa liteko tsa maqhubu a matla, li-voltage regulator, li-transform tsa meepo, li-transformer tsa audio, li-transformer tsa maqhubu a mahareng, li-transformer tsa maqhubu a phahameng, li-transform, li-transformer tsa lisebelisoa, le li-transform tsa elektroniki), Reactors, transformers, jj.). Matšoao a potoloho hangata a sebelisa T joalo ka qalo ea palo. Mohlala: T01, T201, jj.

Transformer ke sesebelisoa sa motlakase se fetisang matla a motlakase lipakeng tsa lipotoloho tse peli kapa ho feta ka ho kenella ka motlakase. Batla li-transformer tse tlase tsa Square D, li-voltage tse mahareng, le lisebelisoa tsa taolo ea liindasteri - tse fumanehang ka lihlahisoa tse fetolang motlakase oa motlakase ho aha matla a phepelo ea motlakase, le ho fetola matla a kabo ho a sebelisa matla a kopo.

Mohlala oa Phetoho ea Schneider

Se latelang ke mohlala oa sehlahisoa le kenyelletso ea sona:

VW3A4708,VW3A4571,VW3A4568,VW3A4560,VW3A5404,VW3A9612,VW3A7744,VW3A4559,VW3A7752,VW3A7801,VW3A5202,VW3A5307,VW3A4707,VW3A4558,VW3A4570,VW3A9113,VW3A4706,VW3A4712,VW3A5105,VW3A5306,VW3A7708,VW3A7742,VW3A5201,VW3A4407,VW3A9512

Module ea phepelo ea motlakase, Input 230V. Output 24v DC, 10.5A, 250W ABL 2REM24100H
Molaoli, Capacitor, APFC molaoli, var plus logic VL6
Phetoho, Reactor, Detuned Reactor LVRO7250A40T
, Fuse, 400v, 160A NGT1
Fuse Holder 10x 38 DF 103

Outlet melena bakeng inverter
Tlhaloso ea Sehlahisoa:
Sesebelisoa sa AC se hlahisoang se sebelisoa lehlakoreng la mojaro oa converter ea maqhubu, 'me motlakase o ntse o phalla ka har'a li-reactor tsena.


Litholoana tsa motlakase oa AC li lefella motlakase oa phetoho ea tefiso ea capacitive ea cable e telele. Haeba e le thapo e telele ea dilenaneo, e ka lekanyetsa dv / dt ea sesebelisoa sa makoloi.
Litšobotsi:
Motsoako o entsoe ka lakane ea tšepe ea silicon ea boleng bo holimo. Sengolo sa mantlha se arotsoe likotoana tse tšoanang ka likheo tse ngata tsa moea. Lekhalo la moea le sebelisa sekhomaretsi se phahameng le matla a phahameng ho tiisa ka thata karolo e ngoe le e ngoe e nyane ea poso ea mantlha le joko e holimo le e tlase. Ts'ebetso ea boleng bo holimo ea ho fafatsa pente e sebelisoa ho rarolla bothata ba mafome holim 'a setsi sa motlakase. Lerata le fokotsehileng haholo nakong ea ts'ebetso.
Lik'hemik'hale li koahetsoe ka metsi 'me li phekoloa ka ho baka se chesang se chesang haholo. Kela e na le ts'ebetso e ntle ea ho kenya letsoho, matla a phahameng a akaretsang, le ho hanela mongobo hantle.
Kela e amohela sistimi ea insulation ea F le H, e ntlafatsang ts'epahalo ea ts'ebetso ea nako e telele.
Ho phahama ha mocheso o tlase, tahlehelo e tlase, theko e tlase le sekhahla se phahameng sa ts'ebeliso.
Tlhaloso ea Sehlahisoa:
Fokotsa lerata la makoloi le tahlehelo ea morao-rao.
Fokotsa ho dutla hona joale ho bakoang ke lihokela tsa ho kenya.
E sebelisetsoa ho sefa filtara, ho fokotsa gagamalo dv / dt ea nakoana, le ho lelefatsa bophelo ba makoloi.
Sireletsa lisebelisoa tsa ho chencha matla kahare ho inverter.
Tekano ea Teknete:
E lekantsoe motlakase oa ho sebetsa: 380V / 50Hz kapa 660V / 50Hz
Rated sebetsa hona joale: 5A ho 1600A @ 40 ℃
Matla a motlakase: li-3500VAC / 50Hz / 10mA / 10s tse se nang tšepe
Insulation hanyetsa: 1000VDC kwahelang boleng ho hanyetsa ≥100MV
Lerata la Reactor: e ka tlase ho 65dB
Nete ​​ea tšireletso: IP00
Insulation sehlopha sa: Sehlopha sa F kapa ka holimo
Litekanyetso tsa ts'ebetso ea sehlahisoa:
Sethala sa IEC289: 1987
Setsi sa GB10229-88 (eqv IEC289: 1987)
JB9644-1999 reactor bakeng sa semiconductor drive ea motlakase
Tlhahiso ea motlakase oa AC 0.5% -1%:

Mohlala oa Phetoho ea Schneider

Lisebelisoa tse sebelisoang hangata ho sistimi ea matla ke li-reactor tsa li-series le li-reactor tse tšoanang.
Li-reactor tsa letoto lena li sebelisoa haholo ho lekanyetsa nako ea haufinyane. Ho boetse ho na le li-capacitor tsa li-series kapa li-parallel ho sefa ho fokotsa li-harmoniki tse phahameng ho gridi ea motlakase. Reactors ho 220kV, 110kV, 35kV, le 10kV matla a marang-rang a sebelisetsoa ho monya matla a maiketsetso a methapo ea cable. Matla a sebetsang a ka fetoloa ka ho fetola palo ea li-reactor tsa shunt. Lisebelisoa tsa EHV shunt li na le mesebetsi e mengata ho ntlafatsa maemo a ts'ebetso ea matla a sebetsang ho sistimi ea motlakase, ho kenyelletsa:
1. Kameho e matla ea lithapo tse bobebe kapa tse bobebe ho fokotsa matla a maqhubu a motlakase a fetang kapele;
2. Ntlafatsa phepelo ea motlakase meleng e telele ea phetisetso;
3. Etsa matla a sebetsang kahare moleng hore a lekane ka hohle kamoo ho ka khonehang mojaro o bobebe ho thibela phallo e sa utloahaleng ea matla a sebetsang hape le ho fokotsa tahlehelo ea motlakase moleng;
4. Ha li-unit le litsamaiso tse kholo li ts'oaroa, matla a maqhubu a matla a boemo bo tsitsitseng ka beseng e nang le matla a phahameng a fokotseha ho nolofalletsa lijenereithara ka nako e ts'oanang;
5. Thibela ketsahalo ea molumo oa boithabiso e ka bang teng moleng o molelele oa jenereithara;
6. Ha ntlha e sa jeleng paate ea sekontiri e fetisoa ka sesebelisoa se senyenyane sa motlakase, setsi se nyane se ka sebelisoa ho buseletsa mohato oa phase-to-phase le phase-to-ground ea mohala ho potlakisa ho tima hoa motlakase phepelo ea morao-rao e fumanehang habonolo.

Wiring ea sekontiri e arotsoe ka litsela tse peli: letoto le ho tšoana. Lisebelisoa tsa Series hangata li sebetsa joalo ka meeli ea hajoale, 'me shunt reactors hangata e sebelisoa bakeng sa matšeliso a matla a sebetsang.
1. Half-core-dry-type parallel reactor: Ka sistimi ea phetisetso ea motlakase ea maqhubu a malelele haholo, e hokahantsoe le kela ea terata e phahameng. E sebelisetsoa ho lefella motlakase oa ho tjhaja motlakase oa mohala, ho fokotsa matla a sistimi ea ts'ebetso le ts'ebetso ea ts'ebetso ea ts'ebetso, le ho netefatsa ts'ebetso e tšepahalang ea mohala.
2. Half-core dry series reactor: E kentsoe ho potoloho ea capacitor, ho qala ha potoloho ea capacitor e kentsoe.

Mohlala oa Phetoho ea Schneider

Likaroloana:
Mohala oa mochini
1. Reactor e kenang ke mekhahlelo e meraro, kaofela ke mofuta oa tšepe ea mantlha ea tšepe;
2. Motsoako oa tšepe o entsoe ka boleng ba boleng bo holimo, bo nang le tahlehelo e tsoang kantle ho naha bo kentsoeng ka tšepe ea silicon, 'me lekhalo la moea le entsoe ka lesela la khalase ea epoxy e le lekhalo ho netefatsa hore lekhalo la moea la sekontiri ha le fetohe nakong ts'ebetso;
3. Kela e entsoe ka terata ea koporo e likhutlo li 'nè ea H, e hlophisitsoeng ka thata le ka mokhoa o ts'oanang, e se na mokato ka holimo, mme e na le bokhabane bo botle le ts'ebetso e ntle ea ho chesa mocheso;
4. Kela le mokokotlo oa tšepe oa se kenang li kenella ka bongata ebe li phehoa pele → pente ea pompo e koahelang → ho chesa mocheso le ho fola. Ts'ebetso ena e sebelisa pente ea ho ts'ila ea boemo ba H ho etsa hore coil le konokono ea tšepe ea sekontiri e kopane hantle. , Hase feela ho fokotsa lerata haholo nakong ea ts'ebetso, empa hape e na le boemo bo phahameng haholo ba ho hanyetsa mocheso, bo ka netefatsang hore sekontiri se ka sebetsa ka mokhoa o sireletsehileng le ka khutso maemong a phahameng a leholimo;
5. Sesebelisoa se seng sa matla a khoheli se sebelisetsoa li-fasteners tse ling tsa khubu ea konteraka e kenang ho fokotsa ts'ebetso ea ho futhumatsa ea morao-rao nakong ea ts'ebetso;
6. Likarolo tse pepesitsoeng li phekoloe ka li-anti-corrosion, 'me li-terminals tse etelletsoeng pele ke li-terminals tsa koporo tsa tinned
7. Ha e bapisoa le lihlahisoa tse tšoanang tsa malapeng, sekontiri se kenang se na le melemo ea boholo bo bonyenyane, boima bo bobebe le ponahalo e ntle.

Mohlala oa Phetoho ea Schneider

Sesebelisoa sa tlhahiso
Sesebelisoa se hlahisang motlakase se boetse se bitsoa sekontiri sa motlakase, mme karolo ea sona ke ho fokotsa matla a ho tjhaja motlakase a kopanyang le matla a ho phahama ha motlakase a kenang ka hare ho 54OV / rona. Matla a akaretsang a lipakeng tsa 4-90KW lipakeng tsa inverter le enjene. Ha bolelele ba thapo bo feta 50m, ho lokela ho fanoe ka sekontiri se tsoang, se sebelisetsoang ho fehla motlakase o tsoang ho inverter (moepa oa switch) le ho fokotsa pherekano le tšusumetso ho likarolo (joalo ka IGBT) ho inverter. Sesebelisoa sa motlakase se sebelisoa haholo ho boenjineri ba liindasteri, haholo-holo ha ho sebelisoa inverter, ho holisa sebaka se nepahetseng sa phetisetso ea inverter le ho hatella motlakase o phahameng o hlahisoang hang ha module ea IGBT ea inverter e fetotsoe.
Litaelo tsa ho sebelisa sekontiri se hlahisang lihlahisoa: E le ho eketsa sebaka se pakeng tsa inverter le dilenaneo, o ka thatafatsa thapo ka nepo, oa eketsa matla a ho koala thapo, 'me oa sebelisa likhoele tse sa ts'oaroang ka hohle kamoo ho ka khonehang.
Likarolo tsa motlakase o tsoang:
1. E loketse matšeliso a matla a sebetsang le taolo ea harmonic;
Karolo e ka sehloohong ea "reactor" e tsoang sebakeng se seng ke ho buseletsa tšusumetso ea sebaka se selelele se abuoang matla le ho hatella tlhahiso ea harmonic ea hona joale;
3. Sireletsa ka nepo inverter le ho ntlafatsa matla a motlakase, a ka thibelang tšitiso ho tsoa ho gridi ea motlakase le ho fokotsa tšilafalo ea gridi ea motlakase ke hajoale ea harmonic e hlahisoang ke unit rectifier.

Inactor ea ho kenya
Karolo ea motlakase o kenang ke ho lekanyetsa ho theoha hoa motlakase ka lehlakoreng la gridi nakong ea phetoho ea mofetoleli; ho thibela ho senyeha ha li-harmoniki le lihlopha tse tšoanang tsa bafetoleli; ho fokotsa ho qhomela ha grid voltage kapa tšusumetso e teng hajoale ha sistimi ea grid e sebetsa. Ha karo-karolelano ea matla a potoloho e khuts'oane ea gridi ea motlakase le matla a sesebelisoa sa converter e kholo ho feta 33: 1, lerotholi le lekanyelitsoeng la motlakase oa kenyelletso ke 2% bakeng sa ts'ebetso e le 'ngoe ea quadrant le 4% bakeng sa li-quadrant tse' ne. Ha motlakase oa motlakase o khuts'oane ho feta 6%, motlakase o kenang o lumelloa ho sebetsa. Bakeng sa yuniti ea 12-pulse rectifier unit, ho hlokahala bonyane setsi se le seng se kenang ka lehlakoreng le leng se nang le phallo ea motlakase ea 2%. Sesebelisoa sa ho kenya se sebelisoa haholo mechineng ea taolo ea liindasteri / fektheri 'me se kentsoe lipakeng tsa inverter,' musisi le motlakase o kenang phepelong ea motlakase ho thibela matla a holimo le a hajoale a hlahisoang ke inverter le 'musisi. Moeli oa li-harmoniki tse phahameng le li-harmonics tse sothehileng litsamaisong.
Likarolo tsa motlakase o kenang:
1. E loketse matšeliso a matla a sebetsang le taolo ea harmonic;
2. Sesebelisoa sa ho kenya se sebelisetsoa ho fokotsa tšusumetso e teng hona joale e bakiloeng ke phetoho ea tšohanyetso ea motlakase oa gridi le ts'ebetso ea ts'ebetso ea ts'ebetso. e sebetsa joalo ka sefahleho ho li-harmoniki ho hatella ho sotha ha grid voltage waveform;
3. Smooth the spike pulses e nang le phepelo ea motlakase, 'me u theole liphoso tsa voltage tse hlahisitsoeng nakong ea phetoho ea potoloho ea borokho ba borokho.

Transformer e na le konokono ea tšepe (kapa mantlha ea makenete) le kela. Kela e na le matsoelintsoeke a mabeli kapa ho feta. Ts'ebetso e kopantsoeng le mohloli oa motlakase e bitsoa li-coil tsa mantlha, 'me li-windings tse setseng li bitsoa li-coil tsa bobeli. E ka fetola AC gagamalo, hona joale le impedance. Sesebelisoa sa motlakase se bonolo ka ho fetesisa se na le mokokotlo o entsoeng ka thepa e bonolo ea makenete le makhetlo a mabeli a nang le linomoro tse fapaneng.
Karolo ea mantlha ke ho matlafatsa matla a khoheli a pakeng tsa likhoele tse peli. Bakeng sa ho fokotsa tahlehelo ea "eddy" hajoale le "hysteresis" ka tšepe, mokokotlo oa tšepe o theoa ka ho hlakola maqephe a tšepe a silika; ha ho na khokahano ea motlakase lipakeng tsa makhetlo a mabeli, 'me likhoele li lematsoa ke likhoele tsa koporo tse koahetsoeng (kapa lithapo tsa aluminium). Kela e le 'ngoe e hoketsoeng ho matla a AC e bitsoa coil ea mantlha (kapa coil ea mantlha),' me kela e 'ngoe e hokahantsoeng le sesebelisoa sa motlakase e bitsoa coil ea bobeli (kapa coil ea bobeli). Transformer ea 'nete e thata haholo. Ho na le tahlehelo e ke keng ea qojoa ea koporo (ho futhumatsa ha coil resistance), tahlehelo ea tšepe (ho futhumatsa ha mantlha), le ho dutla ha matla a khoheli (terata e koalang moea o khoheli). Ho nolofatsa puisano, ke transformer e loketseng feela e hlahisoang mona. Maemo a hore phetoho e ntle e lokelang ho theoa ke: iphapanye le phallo ea matla a khoheli, o hlokomolohe khanyetso ea li-coil tsa mantlha le tsa bobeli, u hlokomolohe tahlehelo ea mantlha, 'me u hlokomolohe ha hona mojaro oa hajoale (hajoale o le khoeleng ea mantlha ha kela ea bobeli e butsoe). Mohlala, ha sesebelisoa sa motlakase se sebetsa ka bongata (matla a tlhahiso ea coil ea bobeli) e haufi le boemo bo nepahetseng ba phetoho.

Mohlala oa Phetoho ea Schneider

Liphetoho ke lisebelisoa tsa motlakase tse emeng tse entsoeng ka ts'ebeliso ea motlakase oa motlakase. Ha coil ea mantlha ea transformer e hokahane le mohloli oa matla oa AC, motlakase o tsamaeang ka makenete o hlahisoa khubung, mme matla a khoheli a fapanyetsanang ka kakaretso a hlahisoa ke φ. Φ ka makhetlo a mantlha le a mahareng a ts'oana, φ hape ke ts'ebetso e bonolo ea harmonic, mme tafole ke φ = φmsinωt. Ho latela molao oa Faraday oa ho kenya motlakase ka motlakase, matla a khelositsoeng a motlakase ho li-coil tsa mantlha le tsa bobeli ke e1 = -N1dφ / dt le e2 = -N2dφ / dt. Ka foromo, N1 le N2 ke palo ea makhetlo a li-coil tsa mantlha le tsa bobeli. Ho ka bonoa ho tsoa palo ea hore U1 = -e1 le U2 = e2 (bongata ba coil ea mantlha bo emeloa ke subscript 1 mme bongata ba coil ea bobeli bo emeloa ke subscript 2). Let k = N1 / N2, e bitsoang karolelano ea se fetolang. Ho ea ka foromo e kaholimo, U1 / U2 = -N1 / N2 = -k, ke hore, karo-karolelano ea boleng bo sebetsang ba voltages ea li-coil tsa mantlha le tsa sekontiri e lekana le karolelano ea karohano le phapang ea mohato lipakeng tsa mathomo le mahareng Mekhahlelo ea li-coil ke π.

 

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