Nhanganyaya

Kubudirira uye simba chinhu pfungwa mbiri dzakasiyana.Kushanda kwemota kunoreva chiyero cheiyo shaft inobuda simba remota kune simba rinotorwa nemota kubva pagridi, uye simba chinhu chinoreva chiyero chesimba rinoshanda remota kune iro rinoonekwa simba.Yakaderera simba chinhu chinokonzeresa hombe reactive ikozvino uye yakakura mutsara kuramba voltage kudonha, zvichikonzera yakaderera voltage.Simba rinoshanda rinowedzera nekuda kwekuwedzera kurasikirwa kwemutsara.Iyo simba chinhu chakaderera, uye voltage uye ikozvino haina kuwiriraniswa; kana paine reactive ikozvino inoyerera kuburikidza nemota, iyo mota ikozvino inowedzera, tembiricha yakakwira, uye torque yakaderera, iyo inowedzera kurasikirwa kwesimba kwegridi.

Kuongorora kwekuchengetedza magetsi kweyekupedzisira-yakakwirira kunyatsoshanda magineti mota

1. Kuenzanisa kwesimba rekuchengetedza simba

Iyo mitatu-nhanho simba rinoshanda YX3 mota ine yakakwira kunyatsoshanda uye simba chinhu pane yakajairika Y2 mota, uye inogara magineti synchronous mota.ine hukuru hwepamusoro uye simba chinhukupfuura matatu-nhanho simba rinoshanda YX3 mota, saka simba rekuchengetedza simba riri nani.

2. Muenzaniso wekuchengetedza simba

Iyo yekupinda ikozvino yeanogara magineti mota ine nameplate simba re22 kW ndeye 0.95, simba chinhu 0.95 uye Y2 mota kunyatsoshanda 0.9, simba chinhu 0.85: I=P/1.73×380×cosφ·η=44A, iyo yekuisa yekusingaperi. magineti mota Yazvino: I=P/1.73×380×cosφ·η=37A, musiyano uripo wekushandisa i19%

3. Zviri pachena kuongorora simba

Y2 mota P=1.732UI=29 kW zvechigarire magineti mota P=1.732UI=24.3 kW musiyano wekushandisa simba i19%

4. Chikamu chinotakura simba rekushandisa kuongorora

Kushanda kweY2 motors kunodonha zvakanyanya pazasi pe80% mutoro, uye iyo simba chinhu chinodonha zvakanyanya. Permanent magineti motors anonyanya kuchengetedza kushanda kwepamusoro uye simba chinhu pakati pe20% uye 120% mitoro. Pamitoro isina kukwana, zvisingaperi magineti motahaveMabhenefiti makuru ekuchengetedza simba, kunyangwe anopfuura 50% ekuchengetedza simba

5. Kushandiswa kwekuongorora kusingabatsiri kwebasa

Iyo inoshanda ikozvino yeY2 mota inowanzoita 0.5 kusvika 0.7 nguva yakayerwa ikozvino, iyo simba chinhu chekusingaperi magineti mota iri padhuze ne1, uye hapana kuwedzeredza ikozvino kunodiwa, saka mutsauko uripo pakati peiyo reactive ikozvino yekusingaperi magineti mota. uye Y2 mota ingangoita 50%.

6. Input motor voltage analysis

Zvinowanzoonekwa kuti kana iyo inogara magineti mota ikatsiva Y2 mota, voltage inokwira kubva pa380V kusvika 390V. Chikonzero: Iyo yakaderera simba chinhu cheiyo Y2 mota inokonzeresa yakakura reactive ikozvino, iyo inozokonzeresa kudonha kukuru kwemagetsi nekuda kwekupokana kwemutsara, zvichikonzera kuderera kwemagetsi. Iyo inogara magineti mota ine yakakwira simba chinhu, inoshandisa yakaderera ikozvino, uye inoderedza kudonha kwemagetsi mutsetse, zvichikonzera kukwira kwevolti.

7. Motor slip analysis

Asynchronous motors kazhinji ane kutsvedza kwe1% kusvika 6%, uye magineti echigarire anomhanya achienderana nekutsvedza kwe0. Naizvozvo, pasi pemamiriro akafanana, magadzirirwo emagineti echigarire ari 1% kusvika 6% yakakwirira kupfuura iyo Y2 motors. .

8. Motor-kurasikirwa kuongorora

22 kW Y2 mota ine hunyanzvi hwe90% uye yekuzvirasikirwa ne10%. Kuzvirasika kwemotokari kunopfuura 20,000 kilowatts mugore rimwe rekuenderera mberi kusingapindiki kushanda; kushanda kwechigarire magineti mota ndeye 95%, uye kuzvirasikirwa kwayo i5%. Anosvika zviuru gumi zvekilowatts, kuzvirasa kweY2 mota kwakapetwa kaviri kune yekusingaperi magineti mota.

9. Kuongororwa kwesimba remubairo wenyika uye tafura yechirango

Kana iyo simba reiyo Y2 mota iri 0.85, 0.6% yemari yemagetsi ichachajwa; kana simba racho rakakura kudarika 0.95, mari yemagetsi ichaderedzwa ne3%. Iko kune 3.6% mutsauko wemutengo mumachaji emagetsi echigarire magineti motors achitsiva Y2 motors, uye kukosha kwemagetsi kwegore rimwe rekuenderera mberi kushanda i7,000 kilowatts.

10. Kuongororwa kweMutemo weKuchengetedza Simba

Power factor ireshiyo yebasa rinobatsira kune simba rinoonekwa. Y2 mota ine yakaderera simba chinhu, kushomeka kunyura simba rekushandisa chiyero, uye yakakwirira simba rekushandisa; chisingaperi magineti mota ine yakakwira simba chinhu, yakanaka yekunyudza mashandisiro mwero, uye yakaderera simba rekushandisa

11. National Energy Efficiency Label Analysis

Chechipiri-chikamu chesimba remagetsi echigarire magineti mota: iyo yakanyanya kuchengetedza simba mota YX3 mota Chikamu-matatu simba rekuita: yakajairika Y2 mota inobviswa Mota: inopedza simba mota.

12. Kubva pakuongororwa kwekubatsira kwesimba renyika

Rubatsiro rwenyika rwemamotor ane chechipiri-chikamu chesimba simba rakanyanya kudarika iro rechitatu-chikamu simba rekuita simba. Chinangwa ndechekuchengetedza simba kubva kunharaunda yese, kuitira kuti tive nechokwadi chekukwikwidza munyika. Kubva pamaonero epasirese, kana magineti echigarire achishandiswa zvakanyanya, simba rechirimwa chose richavandudzwa, nepamusoro pesetiweki voltage, hunyanzvi hwemuchina wepamusoro, kurasikirwa kwemutsara, uye kudzika mutsara wekupisa.

Nyika inotaura kuti kana simba racho riri pakati pe0.7-0.9, 0.5% ichabhadharirwa yega yega 0.01 yakaderera pane 0.9, uye 1% ichabhadhariswa yega 0.01 yakaderera pane 0.7 pakati pe0.65-0.7, uye pazasi 0.65, yakaderera pane yega yega. 0.65 Kana simba remushandisi riri 0.6,zvinoiri (0.9-0.7)/0.01 X0.5% + (0.7-0.65)/0.01 X1% + (0.65-0.6)/0.01X2%= 10%+5%+10%=25%

 

Nheyo dzakananga

AC inogara magineti synchronous mota, rotor haina kutsvedza, haina magetsi ekusimudzira, uye rotor haina yakakosha wave iron uye kurasikirwa kwemhangura. Iyo rotor ine yakakwira simba chinhu nekuti iyo isingaperi magineti ine yayo magineti uye haidi reactive excitation ikozvino. Simba rinoshanda rakaderera, iyo stator ikozvino yakaderera zvikuru, uye kurasikirwa kwemhangura ye stator kunoderedzwa zvikuru. Panguva imwecheteyo, sezvo iyo pole arc coefficient yeasingawanzo pasi isingaperi magineti mota yakakura kupfuura iyo yeasynchronous mota, kana voltage uye stator chimiro chinoramba chiripo, avhareji yemagineti induction intensity yemota idiki pane iyo yeasynchronous. mota, uye kurasikirwa kwesimbi kudiki. Zvinogona kuoneka kuti isingawanzo pasi inogara magineti synchronous mota inochengetedza simba nekudzikisa kurasikirwa kwayo kwakasiyana, uye haina kukanganiswa nekuchinja kwemamiriro ekushanda, nharaunda uye zvimwe zvinhu.

Hunhu hwechigarire magineti synchronous mota

1. Kubudirira kwepamusoro

Avhareji yekuchengetedza simba inopfuura 10%. Iko kushanda kweiyo asynchronous Y2 mota kazhinji inodonha nekukurumidza pa60% yemutoro wakayerwa, uye kushanda kwacho kwakadzikira zvakanyanya pamutoro wakareruka. Iyo inoshanda curve yeanogara magineti mota yakakwira uye yakati sandara, uye iri padanho repamusoro pa20% kusvika 120% yemutoro wakayerwa. kunyatsoshanda zone.Zvinoenderana nezviyero zvepa-saiti nevagadziri vakawanda pasi pemamiriro akasiyana ekushanda, chiyero chekuchengetedza simba chekusingaperi magineti synchronous motors i10-40%.

2. High power factor

Yakakwira simba chinhu, padhuze ne1: yekusingaperi magineti synchronous mota haidi reactive excitation ikozvino, saka simba chinhu chinenge 1 (kunyangwe capacitive), iyo simba factor curve uye inoshanda curve yakakwira uye yakati sandara, iyo simba chinhu chakakwira, iyo stator yazvino idiki, uye iyo stator mhangura kurasikirwa yakaderedzwa, Kuvandudza kugona. Iyo fekitori magetsi grid inogona kuderedza kana kudzima capacitor reactive simba muripo. Panguva imwecheteyo, iyo reactive simba muripo weiyo inogara magineti mota ndeye chaiyo-nguva pa-saiti muripo, izvo zvinoita kuti simba refekitari rigadzikane, iro rinobatsira zvakanyanya kune yakajairika kushanda kweimwe michina, inoderedza reactive simba. kurasikirwa kwekufambiswa kwetambo mufekitori, uye inowana mhedzisiro yekuzara kwesimba rekuchengetedza.

3. The motor current idiki

Mushure meiyo inogara magineti mota yagamuchirwa, iyo mota yazvino inodzikira zvakanyanya. Kuenzaniswa neY2 mota, iyo inogara magineti mota ine yakadzikiswa zvakanyanya mota ikozvino kuburikidza nechiyero chaicho. Iyo inogara magineti mota haidi reactive excitation ikozvino, uye mota yazvino yakadzikiswa zvakanyanya. Iko kurasikirwa mukufambiswa kwetambo kwakaderedzwa, iyo yakaenzana nekuwedzera huwandu hwetambo, uye mamwe mota anogona kuiswa patambo yekutumira.

4. Hapana kutsvedza mukushanda, kukurumidza kugadzikana

Iyo inogara magineti mota inoenderana mota. Kumhanya kwemota kunongoenderana nehuwandu hwemagetsi ekupa. Kana iyo 2-pole mota ichishanda pasi pesimba re50Hz, kumhanya kwacho kwakanyatso kugadzikana pa3000r/min.Hapana kutenderera kwakarasika, hapana kutsvedza, kusakanganiswa nevoltage fluctuation uye saizi yemutoro.

5. Tembiricha inokwira iri 15-20℃ yakaderera

Kuenzaniswa neY2 mota, kurasikirwa kwekupokana kwechigarire magineti mota idiki, kurasikirwa kwese kunodzikiswa zvakanyanya, uye kukwira kwekushisa kwemota kunoderedzwa.Zvinoenderana nechiyero chaicho, pasi pemamiriro akafanana, tembiricha yekushanda kwechigarire magineti mota ndeye 15-20 ° C yakaderera pane iyo Y2 mota.

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Nguva yekutumira: Kubvumbi-18-2023