electrical power project
DESCRIPTION
Exchange Study in Denmarkgenerating of PWM signaldesign of control systemTRANSCRIPT
![Page 1: Electrical Power Project](https://reader036.vdocuments.us/reader036/viewer/2022082804/546b23dab4af9fb5148b4bce/html5/thumbnails/1.jpg)
Wind Mill Technology
Electrical Power Project
Michala Srnová2009/2010
![Page 2: Electrical Power Project](https://reader036.vdocuments.us/reader036/viewer/2022082804/546b23dab4af9fb5148b4bce/html5/thumbnails/2.jpg)
Content● About project● Inverter circuit● PWM Generating● Control system● Experiences
![Page 3: Electrical Power Project](https://reader036.vdocuments.us/reader036/viewer/2022082804/546b23dab4af9fb5148b4bce/html5/thumbnails/3.jpg)
About Project● Targets
– Generate constant output power– Realizing control system
● Main Parties– Generator– Rectifier circuit– Inverter circuit– Control System
![Page 4: Electrical Power Project](https://reader036.vdocuments.us/reader036/viewer/2022082804/546b23dab4af9fb5148b4bce/html5/thumbnails/4.jpg)
Inverter circuit● Transform DC to AC signal using PWM● Power board: Grundfos X2100S Inverter● PWM generator
– Microcintroller ATMega328P– Source code
![Page 5: Electrical Power Project](https://reader036.vdocuments.us/reader036/viewer/2022082804/546b23dab4af9fb5148b4bce/html5/thumbnails/5.jpg)
PWM Generating● 3 phases – 6 PWM channels● Duty cycle● Timers● Samples:
– Look-up table● Calculations
![Page 6: Electrical Power Project](https://reader036.vdocuments.us/reader036/viewer/2022082804/546b23dab4af9fb5148b4bce/html5/thumbnails/6.jpg)
PWM Generating● Program
– Setting of registers– Infinity loop– Loop for generating half of sine period– Amplitude setting
![Page 7: Electrical Power Project](https://reader036.vdocuments.us/reader036/viewer/2022082804/546b23dab4af9fb5148b4bce/html5/thumbnails/7.jpg)
Control System● Method of control – changing of rotor
resistance● Schema
![Page 8: Electrical Power Project](https://reader036.vdocuments.us/reader036/viewer/2022082804/546b23dab4af9fb5148b4bce/html5/thumbnails/8.jpg)
Control System● Mathematical model of induction machine
![Page 9: Electrical Power Project](https://reader036.vdocuments.us/reader036/viewer/2022082804/546b23dab4af9fb5148b4bce/html5/thumbnails/9.jpg)
Control System● Control system in our project
![Page 10: Electrical Power Project](https://reader036.vdocuments.us/reader036/viewer/2022082804/546b23dab4af9fb5148b4bce/html5/thumbnails/10.jpg)
Control system● PI controller
● Implemented in microprocesor => code
![Page 11: Electrical Power Project](https://reader036.vdocuments.us/reader036/viewer/2022082804/546b23dab4af9fb5148b4bce/html5/thumbnails/11.jpg)
Experiences● Wind mills theory● PWM theory and implementation● Various method of control induction machine● Design of control system● Management tasks
![Page 12: Electrical Power Project](https://reader036.vdocuments.us/reader036/viewer/2022082804/546b23dab4af9fb5148b4bce/html5/thumbnails/12.jpg)
Thank you for your attention