Semuchina wemagetsi wakabatanidzwa uye unogadziriswa,chikwata chemidziyo ine simba guruinoshandiswa zvakanyanya mukugadzira maindasitiri, magetsi ekukurumidza, magetsi munzvimbo dziri kure nedzimwe nzvimbo nekuda kwezvakanaka zvayo zvekuisa zviri nyore, dziviriro yakasimba uye kugona kuchinjika zvakanyanya. Pakati pazvo, modhi ye10.5kV igadziriso yakajairika mumashandisirwo einjiniya aripo, uye inogona zvakare kuchinjika zvinoenderana nezvinodiwa zvemagetsi zvakasiyana zvakaita se6.3kV, 6kV uye 11kV. Chinyorwa chino chichatsanangura magadzirirwo akazara emagetsi eyuniti yemagetsi ane voltage yakawanda, kusanganisira sisitimu yepakati, zvivakwa zvekubatsira, vimbiso dzekuchengetedza uye mwero wekushandisa, zvichipa hunyanzvi hwakakwana hwekusarudza, kuisa, kushanda nekugadzirisa yuniti.
Magadzirirwo emagetsi eyuniti yemuchina une voltage yepamusoro akavakirwa pamatanho akatarwa, ayo anotsanangura chiyero chinoshanda uye chiyero chekushanda kweyuniti. Voltage yakatarwa yeyuniti i10.5kV (voltage yemutsara), ichishandisa nzira yemagetsi ye50Hz yezvikamu zvitatu, simba rakatarwa rinofukidza 800kW ~ 3000kW, uye kumhanya kwakatarwa kunochengetwa zvakatsiga pa1500rpm kuti ive nechokwadi chekuti magetsi anoramba aripo uye akasimba. Jenareta inoshandisa nzira yekubatanidza yezvikamu zvitatu yeY, uye nzvimbo isina kusimba inotsikwa kuburikidza neNGR resistor, iyo inodzivirira simba repasi uye inovimbisa kuchengetedzeka kwesystem; kirasi yekudzivirira inosvika kuClass H, uye kukwira kwekushisa kunoongororwa zvichienderana neClass F, iyo inogona kuchinjika kune zvinodiwa zvekushanda mumamiriro ezvinhu akaoma ekushanda; maererano nekirasi yekudzivirira, jenareta iIP23, uye muviri mukuru wemuchina iIP54/IP55, iyo inogona kudzivirira kupinda kweguruva rekunze, mvura yemvura nezvimwe tsvina, uye yakakodzera kuiswa nekushandiswa kwenzvimbo dzekunze uye dzakaoma.
Sisitimu huru yejenareta ndiyo musimboti wesimba reyuniti, uye magadzirirwo ayo anosarudza zvakananga kunaka kwesimba remagetsi uye kuvimbika kwekushanda. Chikamu chikuru cheiyi sisitimu ijenareta yesynchronous isina brushless, inogona kusarudzwa semhando ye single-bearing kana double-bearing zvichienderana nezvinodiwa. Brand iyi inonyanya kuzivikanwa pasi rose senge Stamford, Leroy Somer naMeccalte, kana zvigadzirwa zvemuno zve high-voltage series zvine mashandiro akaenzana. Nzira yekufambisa inoshandisa PMG permanent magnet excitation pamwe chete ne digital AVR. Iyi configuration haina chete kugona kwakanaka kwekudzivirira kukanganiswa, asiwo inogona kuita kuti voltage regulation chaiyo iite, pakati payo steady-state voltage regulation rate iri ≤±0.25%, uye simba rekufambisa rinogona kusvika 10s 300% overload, zvichiita kuti unit irambe ichigona kuchengetedza voltage stability kana mutoro uchichinja. Panguva imwe chete, mwero wekukanganisika kwevoltage yejenareta ndeye ≤3% (mamiriro ekusava nemutoro uye hafu yemutoro), resistance yekudzivirira kutonhora (15–35℃) ndeye ≥2MΩ, uye voltage inomira nefrequency yesimba inogona kutakura 1min 42kV (kusvika pasi), iyo inosangana zvizere nezvinodiwa zvekudzivirira uye inomira nevoltage yemidziyo ine voltage yakawanda. Kuti ive nechokwadi chekuti sisitimu yakachengeteka, unit iyi ine kabhineti yegrounding ine neutral point (NGR), ine grounding resistors, current transformers, ground fault protection devices, isolation switches, indicator lights nezvimwe zvikamu. Basa rayo guru nderekuganhurira ground fault current, kudzvinyirira overvoltage, uye kubatsira kusarudza kudonha kwe relay protection system kuderedza njodzi yekuwedzera fault.
Sisitimu yekugovera magetsi ine simba rakawanda (high-voltage switch) uye simba (power distribution system) chinhu chakakosha mukufambiswa nekugoverwa kwesimba remagetsi reyuniti, kunyanya kusanganisira switchgear ine simba rakawanda (high-voltage switchgear), PT cabinet uye parallel cabinet (inogadziriswa kana mayuniti akawanda akaenzaniswa). Pakati pawo, switchgear ine simba rakawanda (high-voltage switchgear), sejenareta outlet cabinet, ine vacuum circuit breaker (VCB) sechikamu chayo chikuru, ine voltage yakayerwa ye12kV uye kugona kuputsa kwe ≥25kA, iyo inogona kudzima fault current uye kuve nechokwadi chekuti system yakachengeteka. Kabinet ine kirasi yekuyera nekudzivirira (5P20) CT/PT, pakati payo PT specification iri 10.5kV/0.1kV, iyo inonyanya kushandiswa pakuyera voltage, synchronization control uye overvoltage/undervoltage protection; panguva imwe chete, ine 10kV zinc oxide arrester kuchengetedza zvinobudirira jenareta uye main transformer kubva pakukanganiswa ne overvoltage. Pamusoro pezvo, switchgear ine mabasa ekudzivirira kukanganisa kwemagetsi, overload uye ground fault, inotsigira mashandiro ekuvhura nekuvhara nemaoko nemagetsi, uye ine zvishandiso zvinoratidza nzvimbo uye zvemagetsi zvinopindirana kudzivirira kusashanda zvakanaka. PT cabinet isarudzo yekusarudza, iyo basa rayo guru riri kupa masaini emagetsi, masaini ekubatanidza, magetsi ezvishandiso uye masosi ekudzivirira voltage yesystem, ichivimbisa kushanda kwakajairika kwesystem yekudzora nekudzivirira. Kana mayuniti akawanda achida kuenzana, kabhineti yakafanana inodiwa. Kabhineti inobatanidza otomatiki uye mashandisi ekubatanidza nemaoko, ine musiyano wefrequency, musiyano wevoltage uye musiyano wephase angle interlocking, uye inogona kuita otomatiki reactive power uye active power sharing pakati pemayuniti, ichivimbisa kugadzikana uye hupfumi hwekushanda kwakafanana.
Sisitimu yekudzora nekudzivirira ndiyo "pfungwa" yekushanda kwakachengeteka uye kwakanaka kweyuniti, inosanganisira mamodule matatu: unit controller, high-voltage relay protection uye local/remote monitoring. Unit controller inosarudza mhando dzinozivikanwa dzakadai seDeepsea DSE7320 neComAp kana zvigadzirwa zvemumba zvine mashandiro akaenzana. Ine otomatiki start/stop uye AMF (otomatiki transfer kana mains power ikakundikana), uye inogona kutarisa ma parameter ekushanda akadai semvura tembiricha, mafuta, kumhanya, voltage, current, frequency uye simba. Panguva imwe chete, inobatanidza mabasa akawanda ekudzivirira akadai se overvoltage/undervoltage, overfrequency/underfrequency, overcurrent, short circuit, overspeed, high water tembiricha uye low oil pressure. Inogona kunyora otomatiki ruzivo rwezvikanganiso nezviitiko zvenhoroondo, uye inotsigira RS485/Ethernet remote communication, ichipa nyore kune mashandiro ekushanda nekugadzirisa. Dziviriro yemagetsi ane simba repamusoro inoshandisa mudziyo wekudzivirira we microcomputer, une mabasa ekudzivirira akazara, anosanganisira dziviriro yejenareta, dziviriro yekufamba nekukurumidza, dziviriro yekutadza kwepasi (NGR side zero-sequence CT), dziviriro yemagetsi ane simba repamusoro, dziviriro yemagetsi ane simba repamusoro uye dziviriro yesimba rekudzoka (kana yakabatana negrid). Inogona kupindura nekukurumidza zvikanganiso, kudzima circuit yekutadza nenguva, uye kuderedza njodzi yekukuvara kwemidziyo. Panyaya yekutarisa, musanganiswa wenzira dzemuno nedzekure unoshandiswa. Munharaunda, panel yekudzora ine simba repamusoro nepanel yekudzora ine simba repasi zvakarongwa pakati pemudziyo, zvichibatsira kushanda nekutarisa panzvimbo; kure, inotsigira MODBUS TCP/4G/5G kutaurirana maprotocol, uye inogona kubatanidzwa kune SCADA system kana cloud platform kuti ione kutarisa kwenzvimbo yekushanda kweyuniti panguva chaiyo, kugadzirisa ma parameter uye yambiro yekutanga yekutadza, kuvandudza kushanda nekuchengetedza.
Sisitimu yemagetsi inobatsira ine voltage shoma inopa vimbiso yekushanda kwakajairika kweyuniti, kunyanya kusanganisira kabhineti yekugovera magetsi ine voltage shoma yeAC400V uye sisitimu yeDC24V DC. Kabhineti yekugovera magetsi ine voltage shoma inonyanya kupa magetsi kumidziyo yakasiyana-siyana inobatsira, kusanganisira michina inodzivirira kutonhora uye inodzivirira hunyoro senge maheater emvura, maheater emuchadenga uye maheater ekubvisa hunyoro, michina yemagetsi inodzora nharaunda uye inobatsira senge mwenje wemumagaba, masoketi, mafeni emagetsi anoburitsa utsi uye mashutter emagetsi, pamwe chete nemidziyo yekuchengetedza uye yekudzora senge macharger, zvinhu zvemagetsi zvinodzora uye zvinoona moto/utsi; kabhineti ine MCCB, maminiature circuit breakers, zvishandiso zvekudzivirira kubuda kwemvura, mwenje yekuratidza, mavoltmeter/ammeters, nezvimwewo, kuti ive nechokwadi chekuti magetsi ekubatsira akachengeteka uye akasimba. Sisitimu yeDC24V DC, sesimba remagetsi rinopa simba nekukurumidza uye rinodzora, inoshandisa mabhatiri ekuchengetera e24V asina lead-acid kana mabhatiri ekuchengetera anodziya zvishoma ane simba re150–200Ah, uye ine charger yakangwara inoyangarara/inoenzanisa ine voltage yekupinda yeAC400V, iyo inogona kuita kuti mabhatiri ekuchengetera azvigadzirise otomatiki; panguva imwe chete, ine switch inobvisa bhatiri (inokiyiwa), fuse uye insulation monitoring device kuti ive nechokwadi chekuvimbika nekuchengetedzeka kwesisitimu yeDC, uye kudzivirira kukanganisa kweDC power supply pakuvhurwa nekushanda kweyuniti.
Sisitimu yekufambisa magetsi neAVR ndiyo sisitimu inobatsira zvikuru kuti ive nechokwadi chekuti voltage yejenareta yakagadzikana, ichishanda pamwe chete nesystem huru yejenareta. Iyi unit inoshandisa PMG permanent magnet brushless excitation mode (standard configuration). Kana ichienzaniswa ne mode yechinyakare yekufambisa magetsi, ine mabhenefiti ekugona kudzivirira kukanganiswa kwemagetsi, kutanga kushanda zvakanaka uye kugadzirisa zviri nyore, uye inogona kuchinjika kune zvinodiwa nemamiriro akasiyana emutoro. Senzira yekudzora system yekufambisa magetsi, digital automatic voltage regulator (AVR) haingogone chete kuita automatic voltage regulation kuti ive nechokwadi chekuti voltage inobuda mujenareta yakagadzikana, asiwo inotsigira reactive power/power factor control uye reactive power sharing panguva yekushanda kwakafanana, zvichiwedzera kuvandudza mhando yemagetsi uye economy yekushanda kweyuniti.
Tambo, busbar uye system yekudzika ndiyo "mudziyo weropa" wegadziriro yemagetsi, izvo zvinokanganisa zvakananga kuchengetedzeka uye kuvimbika kwekutumirwa kwesimba remagetsi. Tambo ine voltage yepamusoro inosarudza tambo yemhangura yeYJV22-8.7/10kV inodzivirira murazvo, iyo inonyanya kushandiswa pakutumirwa kwesimba remagetsi pakati pejenareta, kabhineti ine voltage yepamusoro uye kabhineti yeNGR, uye ine hunhu hwekunonoka kwemurazvo, kuramba tembiricha uye kuramba ngura; tambo ine voltage yakaderera inosarudza ZR-YJV 0.6/1kV specification, uye tambo yekudzora inosarudza tambo yakadzivirirwa yeZR-KVV/KYJVP, ine anti-oil resistance, anti-heat resistance uye anti-interference ability, ichivimbisa kutapurirana kwakasimba kwezviratidzo zvekudzora uye low-voltage electrical energy. Kabhineti ine voltage yepamusoro inoshandisa copper busbar (TMY) ine insulation heat shrinkage treatment kuti ivandudze insulation performance uye kudzivirira short-circuit faults. Panyaya yesystem yekugadzika, ganda remuchina rinofanira kunge rakagadzika zvakanaka (zvisingasviki nzvimbo mbiri), uye michina yese yemagetsi yakaita sejenareta ine simba, kabhineti ine simba guru, kabhineti yeNGR uye kabhineti ine simba shoma zvakabatana negridi yekugadzika yakabatana. Kuramba kwegadzika kunofanirwa kunge kuri ≤4Ω, izvo zvinoburitsa simba remagetsi uye zvinovimbisa kuchengetedzeka kwemidziyo nevashandi.
Sisitimu yekuchengetedza nekukiya ivimbiso yakakosha yekushanda kweyuniti, iyo inobvisa njodzi dzinogona kuitika dzekuchengetedza kuburikidza nematanho akawanda ekudzivirira. Mudziyo wekukiya masuo une voltage yepamusoro unogona kuita basa rekudzima kana kukiya gonhi kana gonhi ravhurwa, zvichidzivirira vashandi kuti vasapinde munzvimbo ine voltage yepamusoro nekukanganisa uye zvichikonzera tsaona dzemagetsi; mudziyo wekukiya masuo une magetsi unogona kudzivirira kushanda zvisina kunaka senge kuvhara nebanga repasi nekuvhara nemagetsi, zvichiita kuti michina ive yakachengeteka; mudziyo wekumisa emergency unoshandisa nzira yekudzora yemuchina, panel yekudzora neremote, iyo inogona kumisa muchina nekukurumidza kana paine zvikanganiso zvakangoerekana zvaitika, zvichideredza kurasikirwa kwezvikanganiso; panguva imwe chete, zviratidzo zvekuchengetedza zvakaita senjodzi ye voltage yepamusoro, kusavhara, zviratidzo zvekudzika nemwenje yekunyevera zvinoiswa pamudziyo nemidziyo yemagetsi kuyeuchidza vashandi kuti vateerere kuchengetedzeka.
Kuti zvienderane nezvinodiwa zvemamiriro akasiyana-siyana, unit iyi inopawo magadzirirwo akasiyana-siyana esarudzo. Kana zvichidikanwa kushandisa unit ine voltage shoma yekuwedzera simba, transformer yebhokisi ye400V → 10.5kV inogona kugadziriswa; kana zvichidikanwa kuti pave nekuchinja otomatiki pakati pesimba remagetsi neyuniti, mudziyo wekuchinja magetsi weATS/dual power unogona kuenzaniswa; kana zvichidikanwa kuti pave nekuvandudza kugona kwekushanda nekuchengetedza kure, bhokisi rekutarisa riri kure rinogona kugadziridzwa, richibatanidza mabasa e4G/5G, GPS uye cloud platform; kuti kusimbise kuchengetedzeka kwemoto, heptafluoropropane/aerosol fire protection system inogona kugadziridzwa, ichienderana nezvinoona utsi nekupisa; kuti pave neruzha nekupisa, kuputira matombo maviri, kubvisa ruzha rwemhepo uye kuburitsa exhaust uye ma shutter emagetsi zvinogona kushandiswa kuderedza ruzha rwekushanda kweyuniti uye kugadzirisa mamiriro ekupisa akaderera.
Magadzirirwo emagetsi eyuniti ye container ine voltage yakawanda anotevedzera zviyero zvenyika nepasi rose zvine chekuita nekuchengetedzwa kwemidziyo. Mitemo inowanzo shandiswa inosanganisira GB/T 2820 "Reciprocating Internal Combustion Engine Driven Alternating Current Generating Sets", GB/T 1029 "Test Methods for Three-Phase Synchronous Machines", GB 50149 "Code for Construction and Acceptance of Busbar Installation in Electrical Installation Engineering", GB 50217 "Code for Design of Power Engineering Cables" uye IEC 60034 "Rotating Electrical Machines". Magadzirirwo ese anosangana nezvinodiwa zvakajairwa uye anogona kusangana nezvinodiwa zvemagetsi zvezviitiko zvakasiyana-siyana zveinjiniya.
Nguva yekutumira: Chivabvu-15-2026
