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Author Topic: induction heater problem( industrial )  (Read 716 times)

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induction heater problem( industrial )
« on: April 22, 2010, 01:19:12 PM »



eto po yung connections


eto siya

mga sir,

im having trouble sa ginagawa kong induction heater. meron siyang current regulator at over current protector. at temp cut off switch.

pic based siya. working po lhat ng sensor at working din yung micro. ang problem nya sa analysis ko ay nasa lf411. ginamitam ko ng scope para sa pag troubleshoot. kita ko mga sis n meron siyang aquarewave n output tapos kapag nilalagay ko n yung load ko nagbabago at lumiliit yung signal, nagiging sinewave kaso yung peak to peak nya nsa 5v at 2.5v.kaya lumalabs bigla yung error code. ang ibig sabihin ng error code nya ay (Electronic system is not measuring any zero crossing)..

ok nmn yung mga circuit. pati value ng mga resistor ok nmn. yung caps lng hnd ko nacheck kasi wala value. basta nagawa ko n lht ng basic trouble shooting d2..

check nyo mga guys baka mabigyan nyo ako ng additional idea.
"DO YOUR ORDINARY DUTIES EXTRAORDINARILY WELL."

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induction heater problem( industrial )
« on: April 22, 2010, 01:19:12 PM »

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Re: induction heater problem( industrial )
« Reply #1 on: April 22, 2010, 04:59:36 PM »
nasolve ko din sa wakas. final testing nlng
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Re: induction heater problem( industrial )
« Reply #1 on: April 22, 2010, 04:59:36 PM »

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Re: induction heater problem( industrial )
« Reply #2 on: April 22, 2010, 05:04:47 PM »
heater nga pala ito ng bearing n malalaki. ang sample dito ay 7 inches n bearing.

iniinit yung bearing bago i mount para mag expand siya at madali i shoot. kapag lumamig mahigpit n siya.
"DO YOUR ORDINARY DUTIES EXTRAORDINARILY WELL."

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Re: induction heater problem( industrial )
« Reply #2 on: April 22, 2010, 05:04:47 PM »

Offline anthonydp

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Re: induction heater problem( industrial )
« Reply #3 on: April 22, 2010, 06:14:17 PM »
nasolve ko din sa wakas. final testing nlng

ano naging problem?  defective yung U7 and/or U2?
congrats!
your question appears to be an XY Problem.

why don't you just tell us exactly what you're trying to do?

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Re: induction heater problem( industrial )
« Reply #3 on: April 22, 2010, 06:14:17 PM »

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Re: induction heater problem( industrial )
« Reply #4 on: April 23, 2010, 10:31:32 AM »
sir, lahat kasi ng components ay ok. functioning nmn lahat. nasolve ko n yung error code kaso pag test ko ngaun ayaw mag on. kala ko ok na..

mag mali pala sa connection ng coil. may nauna kasing gumawa nito. mahirap kasi mag repair kapag tampered. na schem ko na nga yung sensor part. dun ko lang napansin n may mali sa connection.

yung opamp kapag naka on may squarewave na 60hz kasi naka connect din sila sa ac. yung lm393 nmn ay window comparator..
ano po kaya sir ang function nila? alin sa kanila yung current sense? diba yung lf411
"DO YOUR ORDINARY DUTIES EXTRAORDINARILY WELL."

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Re: induction heater problem( industrial )
« Reply #4 on: April 23, 2010, 10:31:32 AM »

 

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