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Hello all
I need to construct a three phase AC induction motor driver with AT89S8252. Does any body now how to calculate PWM signals and generate them? Please help me... If there is any inverter softwares please send me them...
igbt bridge
Hello Friends...
Nowadays I am working on Three Phase Induction Motor Drivers. I have constructed a simple one and see it when it's runnig. I have used a Fuji IGBT module have 6 IGBTs max Ic current is 15A. I have connect the Microcontrollers pins to the optocouplers (CQY80) and...
atmega32 pwm
I have discussed about 3 phase IGBT pack before. I connected this pack to the AT89S52 throught optocoupler and then I drive 6 of them and saw the motor rotates. It's good for me. I want to use ATMEGA32 programmed by CodeVision to drive the IGBT module using PWM signals. Does any...
I think it's good project. If you want to measure speed of the motor you have to buy an encoder and create a microcontroller circuit to read and display the speed. Good luck
SIMULATOR
proteus is the most famous simulator for analog and digital circuit. If you use the c language u can use keil c compiler to create hex files and proteus to simulate them... Good luck
theory igbt switches 3 phase
I said that I have connected a 220V rms rectifier and I got a 340 V of a Dc voltage. This voltage may damage my lamps If I connect my 220V lamps in delta so I connect these lamps in Y configuration. I didn't connect the center of the Y to the - of the capacitor. I...
igbt pack
Hello Friends. I have a problem about IGBT switchig. I have connected a full wave rectifier to the Ac line and convert it to the DC 220V. Also I connect a Capacitor to rgulate the Dc voltage. Then I connect this voltage to the MG15Q6ES42 IGBT module. then also I connected Y connected...
Hello All...
I am using at89s8252 and I have to make an sd card data logger. I tried to use spi port of microcontroller also I simulated this protocol by writing soft. By two methods I could not get the valid response of CMD00. I did everything as the manual sad as 80 clock cycles before set to...
It's easy to write a program to the 8051 microcontroller. But first of all you need a flash programmer to download your codes in to 8051. You can find easily this circuit by searching net. Then you need a KEIL in order to program 8051 with high level language c. Also you can find a lots of...
thank you so much for the schemes. But I need help about programming 89s8252 in order to interface with mmc or sd platform. I am using spi protocol to communicate with mmc card. Also I have used sofware spi communication called bit bang or something like this. I have send to the mmc CM0 command...
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