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m using hex bridge full wave diode rectifier,output power is 30KW(560V,60A) and considered 20% of output ripple............as per my calculation it's coming arround 1mF,i think my calculation is wrong...............iso i need proper way to calculate.With the same output parameters i need to...
Hi..........
I gone through the topics discussed on three phase rectifier.I am facing some problem with three phase diode rectifier.i am not that much of expertise in that just learning how to design power supply.My input is 415VAC.Can u please tell me the details how to calculate the proper...
Hi..........
I gone through the topics u discussed.I am also facing some problem with three phase diode rectifier.i am not that much of expertise in that just learning how to design power supply.My input is 415VAC.Can u please tell me the details how to calculate the proper value of filtering...
Hi..........
thnx for ur rply to me.bt i m confused where i will keep the 16bit word(L+H) in PIC16F877A from where i'll take 10LSB n hw will i convert hex to original analog voltage in assembly language which is going to display by 7-segment display.Can u help me by sending any example code for...
Hi Everybody,
I m a new user of microcontroler (PIC16F877A). I will have to perform an a/d conversion n will have to display the corresponding analog value with the help of seven segment display.but i got the converted result from 10bit inbuilt ADC,but my controller is 8bit.After this how can i...
hi,
ineed to develop a high stability power supply (long run PPM less than 100) rating 170A/100V.i need to use to loops,one voltage loop and one current loop.but i have only DAC output.How can i go ahead,please..........as soon as possible
I am using PIC16F877A controller,i can't understand how can i communicate through UASRT with a master controller.What sequences i need to follow for getting effective communication,if anybody please help me by proper guidence.
hi,
i need help,regarding to design a current loop controller which would be very stable (ppm less than 100).one of it input is the sensed current output and another is microcontroller generated reference.........if any schematics,advice,guidence please.....
i hv started with PIC16F877A. i'll hv 2 communicate with master processor,by sending command/data watever after sensing a key pressed(interfacing keyboard) n will hv 2 process the feedback frm master controller n display the appropriate action on LCD. if any suggestion/advice with note/assembly...
Hi,
I need to make a DC power supply of ratting 170A,100V with ppm less than 100.It would be 12 pulse thyristor based with microcontroller driven.But i m not getting bettre ppm.what should i consider or what precaution should i take including power components and wirings
Hi
I want to start with PIC16F877A controller (microchip) for LCD display. I am a beginners,so if anybody give me some suggestions regarding how will i start with some application notes,then i will be highly thankfull to him.............
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