]Igwe na-akwakọba ọka na-aga n'ihu na-ekpo ọkụ nke sistemụ njikwa eletriki nke dc moto.
Ọka na-aga n'ihu agụụ nkwakọ ngwaahịa dc moto nwere ezigbo mmalite, breeki na njikwa ngwa ngwa, njikwa dị mfe, yabụ mkpa mbụ maka usoro ịgba ọsọ na-enweghị isi nke oge na-eji njikwa ọsọ dc moto.
Ọka na-aga n'ihu dc moto nwere oghere usoro
igwe nkwakọ ngwaahịa, shunt, compound excitation na ya.
Wee webata ọka na-aga n'ihu agụụ nkwakọ ngwaahịa dc moto mmalite.
1, ihe kpatara na ụkpụrụ nke dc moto armature resistance na-amalite
igwe na-akwakọba ọka na-aga n'ihu na-ekpo ọkụ nke sistemu njikwa eletriki nke dc moto.
Ọka na-aga n'ihu agụụ nkwakọ ngwaahịa ugbu a nke dc moto na-amalite ozugbo bụ nnukwu nnukwu, na-abụkarị 10 - iru ogo ugbu a.
20 ugboro, mepụta nnọọ nnukwu mmalite torque, ọ dị mma maka moto malite, ma oké torque dị mfe imebi igbe eletriki nke moto winding na commutator, ya mere, akpaka resistor na usoro na armature nwere ike ibelata mmalite ugbu a.
na mgbakwunye, ọka na-aga n'ihu agụụ nkwakọ ngwaahịa dị iche iche nwere obi ụtọ dc moto na ndị mmeri magnetik na-adịghị ike efu magnetik, nwere ike imepụta & ndị ọzọ.
Ọsọ & ofụri;
Phenomenon, Ya mere armature tupu ọkụ eletrik ohere na excitation sekit nke excitation voltaji, usoro iguzogide nchebe n'otu oge.
Ya mere, njikwa mmalite nke dc moto dabere na nguzogide usoro na ihe nchebe magnetik adịghị ike.
2, otu ụzọ mmalite njikwa dc moto armature eguzogide usoro
igwe na-akwakọba ọka na-aga n'ihu na-ekpo ọkụ nke sistemu njikwa eletriki nke dc moto.
Ọka na-aga n'ihu agụụ nkwakọ ngwaahịa dc moto armature eguzogide ịmalite usoro bụ ihe ọzọ, enwere ụkpụrụ ọsọ ọsọ na-akpaghị aka, ụkpụrụ nke mmalite na oge ugbu a, ihe ndị a ga-ewebata n'otu n'otu.
1, ụkpụrụ nke mmalite ọsọ ọsọ
igwe na-akwakọba ọka na-aga n'ihu na-ekpo ọkụ nke sistemu njikwa eletriki nke dc moto.
Ọka na-aga n'ihu agụụ nkwakọ ngwaahịa dc moto armature eguzogide otu ụzọ mmalite-elu.
Mbụ mechie mgba ọkụ QS1, ọkụ eletrik na-akpali akpali, mgbe bọtịnụ SB2, contactor KM coil electric, KM1 onwe-kpọchi, ndị na-emeghe kọntaktị na-emekarị mechiri emechi, na-emekarị mechiri emechi kọntaktị, armature ugbu a, n'ihi moto na mmalite nke mmalite ọsọ. dị ala, ọsọ ọsọ agbaji niile agbajikwa, otú usoro resistor R1, R2 na R31 mgbe ọsọ na-abawanye na a ụfọdụ uru, ọsọ ọsọ agba anọ KS1 na-emekarị na-emeghe kọntaktị na-emechi, usoro nguzogide na eletriki igbe na-ebelata, naanị iguzogide R2. na R3 eriri n'ime igbe eletriki, dị ka ọsọ nke moto na-aga n'ihu na-ebili, ọsọ ọsọ ọsọ KS2 na-emekarị na-emeghe kọntaktị na KS3 na-emekarị na-emeghe kọntaktị emechiwo, usoro na armature eguzogide bụ moto kpamkpam na-amalite site na obere sekit.
mgbe ọka na-aga n'ihu igwe nkwakọ ngwaahịa agụụ, a na-ebute sekit excitation nke ike ọdịda electromotive ike na eriri igwe, winding MD, iguzogide R4 na diode VD ntọhapụ sekit, nchebe, VD na akpọ diode iyi.
2, ụkpụrụ nke mmalite nke ugbu a
igwe na-akwakọba ọka na-aga n'ihu na-ekpo ọkụ nke sistemu njikwa eletriki nke dc moto.
Ọka na-aga n'ihu na-asọfe agụụ nkwakọ ngwaahịa igwe na ụkpụrụ eletriki nke dc moto armature eguzogide otu ụzọ mmalite sekit.
Mechie mgba ọkụ Qs1, wee pịa bọtịnụ mmalite SB2, oge agbagharị KT eriri igwe na contactor KM nke eriri igwe na ọkụ eletrik n'otu oge ahụ, KMI na-emeghe kọntaktị nke mkpọchi onwe ya, usoro ahụ nwere nguzogide armature nke mmalite moto, n'otu oge relay KA eriri ọkụ eletrik, KA na-emechi kọntaktị na-emechi emechi, na-eme ka KM2 eriri igwe enweghị ike ọkụ eletrik, mgbe ọsọ na-abawanye na ụfọdụ ọsọ nke moto, armature mbelata ugbu a, KA eriri igwe na-ahapụ, na-ejikarị. mmechi kọntaktị mechiri emechi, ọkụ eletrik KM2, kọntaktị na-emeghekarị KM2, usoro nwere nguzogide armature dị mkpụmkpụ, moto zuru oke.
A na-eji oge relay eme ihe mgbe oge, KT na-emeghe kọntaktị na-akwụsị, hụ na KM2 eriri igwe agaghị eletrik, na-egbu oge ka oge na-aga, na-emeghe kọntaktị na-emechi maka KT, KM2 coil iji kwadebe.
3, na ụkpụrụ nke arụ ọrụ
igwe na-akwakọba ọka na-aga n'ihu na-ekpo ọkụ nke sistemu njikwa eletriki nke dc moto.
Ọka na-aga n'ihu agụụ nkwakọ ngwaahịa igwe oge ụkpụrụ nke dc moto armature eguzogide otu ụzọ mmalite sekit.
Mechie mgba ọkụ ọkụ QS1 mbụ, wee pịa bọtịnụ mmalite SB2, eriri igwe kọntaktị eletriki nke KM1, na-emeghe kọntaktị KM1 nke onwe ya, usoro nwere nguzogide moto armature R1 na R2, oge agba agba KT1 eriri igwe eletrik, igbu oge mgbe oge ụfọdụ gasịrị. oge, KT1 mechiri emechi kọntaktị na-emeghe, ọkụ eletrik KA1 eriri igwe, kọntaktị na-emeghe na-emechi emechi, resistor R1 bụ sub, KT2 eriri igwe eletrik, n'otu oge ahụ na-egbu oge ka oge na-aga, KT2 na-emeghe kọntaktị emechi, KA2 eriri igwe eletrik, na kọntaktị na-emeghe emechi emechi, ọnụ ọnụ ara R2 na-eguzogide, moto na-agba ọsọ.
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