High pressure PMSM's no sensor control system

• Main Authors: FAN HANZHONG, CAO LIU
• Format: Patent
• Language: Chinese; English
• Published: 08.03.2017
• Subjects: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS; CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERATION; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE

The utility model discloses a high pressure PMSM's no sensor control system belongs to high -pressure PMSM field. The utility model discloses an external power supply, dc -to -ac converter and motor, rectifier module, power factor correction module, auxiliary electrical power source, DSP control chip, isolating driver unit and AD sampling circuit, external power supply is connected with dc -to -ac converter and auxiliary electrical power source through rectifier module's rectifying and wave -filtering, has still add the power factor correction module between rectifier module and the dc -to -ac converter, and the dc -to -ac converter provides the electric energy for the motor, and auxiliary electrical power source provides the electric energy for DSP control chip and rectifier module 4, control circuit includes isolating driver unit and AD sampling circuit, and AD sampling circuit links to each other with motor, DSP control chip, be responsible for the multivariable the collection and with signal input DSP con