1. The motor body of theenjene ea mabone ea DC ea boholo bo mahareng:
The stator winding ke concentrated winding, 'me rotor ea magnete e sa feleng e etsa sebaka sa square wave magnetic field;'mele oa motlakase oa mochine o sa feleng oa magnet synchronous: stator winding ke matsoelintsoeke a arolelitsoeng,' me rotor ea magnet e sa feleng e etsa matla a makatsang a matla a khoheli;
2. Sensor ea boemo ba brushless DC motor:
Qeto e tlase, qeto ea likhato tse 60, Karolo ea Hall, mofuta oa motlakase, mofuta oa photoelectric;Sensor ea boemo ba mochine o sa feleng oa magnet synchronous: qeto e phahameng, 1/256, 1/1024, solver, optical code disk;
3. Taolo e fapaneng:
Enjene ea makenete ea DC ea boholo bo mahareng: 120 degree square wave hajoale, e sebelisa taolo ea PWM;
Mochine o sa feleng oa magnet synchronous motor: Sine wave current, SPWM SVPWM control.
Motlakase oa magnete oa boholo bo mahareng oa DC: makenete o hoketsoa ke leqhubu la lisekoere, motlakase oa taolo PWM le ona ke leqhubu la lisekoere, 'me hona joale ke leqhubu la lisekoere.Ho na le li-vector tsa sebaka tse 6 potolohong e le 'ngoe ea motlakase.Taolo e bonolo, litšenyehelo li tlase, 'me MCU e akaretsang e ka phethahala.
Permanent magnet synchronous motor: makenete e hoketsoa ke leqhubu la sine, matla a ka morao a electromotive le ona ke leqhubu la sine, 'me hona joale ke leqhubu la sine.Theknoloji ea taolo ea li-vector hangata e sebelisoa, 'me ka kakaretso ho na le li-vector tse 18 potolohong ea motlakase (ehlile, e betere haholo), e ka bonoang ke MCU kapa DSP e sebetsang hantle.
DC Servo: Sebaka sena se pharalletse haholo.DC servo e bua ka taolo ea koloi ea DC ebe tsamaiso ea taolo, ho latela litaelo tsa taolo (lebelo, boemo, angle, joalo-joalo) ho sebetsa, hangata e sebelisetsoang li-activators.
1. Phapang ea li-sensor:
Motlakase o mahareng oa DC o sa feleng oa makenete (BLDC): sensor ea boemo, joalo ka Hall, joalo-joalo;
Permanent magnet synchronous motor (PMSM): li-sensor tsa lebelo le boemo, joalo ka li-solvents, li-encoder tsa photoelectric, joalo-joalo;
2. Sebopeho sa maqhubu sa EMF se ka morao se fapane:
BLDC: leqhubu le ka bang la trapezoidal (boemo bo loketseng);
PMSM: Sine wave (boemo bo loketseng
Taba ea boraro, sebopeho sa maqhubu a hona joale se fapane:
BLDC: leqhubu le ka bang lisekoere kapa leqhubu la trapezoidal (boemo bo loketseng);
PMSM: Sine wave (boemo bo loketseng
Ea bone, phapang lipakeng tsa sistimi ea taolo:
BLDC: hangata e kenyelletsa mookameli oa boemo, molaoli oa lebelo le molaoli oa hona joale (torque);
PMSM: Mekhoa e fapaneng ea taolo e tla ba le mekhoa e fapaneng ea taolo;
5. Phapang lipakeng tsa melao-motheo ea moralo le mekhoa:
BLDC: atolosa bophara ba sebopeho sa maqhubu a morao-EMF ka hohle kamoo ho ka khonehang (etsa hore e be e lekanang le leqhubu la lere);
PMSM: Etsa EMF e ka morao haufi le leqhubu la sine;
Ho bonahatsoa ka moralo haholo-holo phapang ea stator winding le rotor sebopeho (jwalo ka pole arc coefficient).
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Nako ea poso: Aug-20-2021