Make 220V AC Generator from Old Mixer Universal Motor

it has started charging so guys this what  you see is a mixer motor it is in a pretty   bad condition you can see that the wiring  and the winding has been burned out at least   for the router although the brushes can be reused  so let's open it up without any further delay   yeah this looks good can be put to some good  use let's keep it aside and so are these   now comes the removal of the top head   done again   now comes the brush tapping removal this portion  is keeping this strip in its place so we will   have to push it okay once again yeah got it  out and we have a full good condition brush   that we can put to good use in some motor  so now we can remove the stator at least   yeah here we have a stator which seems like  it's fine but to be sure about it we will have   to put it to resistance check that's the rotor  pretty bad condition yeah not good at all   well guys i just forgot that i also needed this  metal base from this uh so obviously i will have   to remove this cooling fan and it does jam pretty  good you see completely rusted over here and the   legendary wd-40 as you can see that i've removed  the fan and all i have to do is remove this   yeah done washers   and the armature is now completely separate  so guys finally it's time to do the resistance   check for each of the two poles and you see  that this pole has three wires so uh we will   have to figure out the maximum resistance  wires and then leave out the third wire   so first confirming the resistance with the  pole with two wires and what we have here is 2.1   ohms so the resistance is quite low for so many  turns so but still let's check for the other one   okay yeah you see the resistance for  this one is around 4 ohms what about this   that is 6.3 ohms what about these two   three ohms so guys the bad news is that  i think there is some shorting in this   winding because the pole resistances don't match  so there is going to be imbalance but guys i was   lucky enough to find an identical core identical  in diameter but it is much more powerful with   thicker copper windings you see and it also  has these spin outs for easy connection which   was not the case with this cheap one and this  was also lying around and it fits perfectly so   i thought why not use it you see this was  for this piece it fits perfectly here   and this piece fits perfectly here okay perfect and the only difference is the core   thickness core thickness of 26.2 mm okay 26.2 for  that one now comes this one this one is 20 mm   now guys this was the armature of that universal  motor from a mixer and i have chipped away   these two sides to place the magnets and  i'm going to use the perfect concave magnets   okay you see how it fits over here yeah and same  for the other one and it's something like this   perfect well now it's finally time  to assemble all of them together   and check how much electricity it  can generate so base comes here   done now goes in the field or rotor yeah initially  it was armature but now it does field or you can   say rotor and then the top head   done well guys here on the shaft you can  see that i have placed a wd-40 to make it   work smooth and a same for the base there are  no brushes and you can see the magnet okay   also the air gap is maintained as very less  so uh the magnets are going to induce huge emf   on the field poles so let's measure  the voltage generated by one pole   well here i've pointed the meter towards ac  ac voltage because it is going to produce ac   you can see simple rotation enters  generating around 2.5 volts ac   3.3 yeah 3.5 volts for one single pole with hand  rotation imagine guys when i connect both the   poles in series then obviously the hand rotation  voltage is going to go around seven or eight volts   and with rope rotation testing and uh like if i  run this motor with this drill machine and all   then obviously the voltage will easily  reach around 12 volts and also if you   see the thickness of the copper winding it  is good enough to produce good current   so guys today we are going to do the performance  and a generation power testing of this   modified mixer motor to dynamo i have added  this drill check at the back because it was   moving up and down a lot and also it is  easier to rotate it like this with this   chuck and uh now comes the important part this  coil has these two terminals and this coil has   these two terminals and we have to connect both  the coils together in series in such a way that   the voltage gets doubled when i rotate  the shaft with this okay so initially it   was generating in my previous video which you  saw it was generating around 3.5 volts ac so   our target is to achieve around 6.5 to 7 volts  with hand rotation so i have connected one pin   over here and the other one i will connect over  here well right now i'm doing just hit and try   one terminal connected now uh the terminals that  are left out are one terminal is this and the   other one is this so to this terminal i will add  this done so now in total i have two terminals so   to these two terminals i will connect a multimeter  and then measure the voltage i am achieving   now let's rotate the shaft and  see if the voltage has increased   you see the truth is the voltage has decreased  so this means that the connection i have made are   just the opposite of what i needed okay so i will  have to change that and now the voltage generated   should be higher you see the voltage has increased  this means the connection are correct now   simple rotation and easily 1.5 volts  let's go a little higher six volts   whoa and i think i will be doing the test  with this drill machine okay it's easier to   do that but before that let's connect  this black tape on this wire okay   yeah okay c for the voltage over there   why is it not measuring voltage beyond 7 volts   so 10 volts was the max i could get  with this drill machine again   yeah 10.32 volts well guys now i'm going to repeat   this very test with a bigger 350 watts drill  machine with an even higher rpm and torque   let's see how much sorry it's going to be ac volts  let's see how much ac voltage it generates   22 volts   around a 24 or 23 volts pretty good voltage for ac  so guys now i'm going to connect this car headlamp   bulb okay and since it's a dc lamp so i am using  a rectifier 35 amperes bridge rectifier okay   well there is a lot of lighting in the room  let's turn it off and then do this test again   pretty good   although guys the ac was not completely  purified because i didn't add   any additional condenser capacitor to  these two dc terminals to pure the dc   line because of which there was a lot  of flickering in its operation you see   a lot of flickering which would not  be the case if i had connected a   capacitor so let's do that and then check out  the results so guys this is a 7000 microfarad   40 volts dc capacitor so i'm going to connect it  to this and i hope for better output results   you see the lighting is much more better  there is very less flickering now   well guys now to the output terminal i have  connected this 220 volts transformer so   i'm going to boost the voltage from 24  volts yeah it is generating 24 volts   to 220 volts maybe even more let's see  how much voltage it produces at the output   connections have completed let's turn it on   so as you saw that it is generating pretty  good voltage and transforming it then to 256   or 260 volts which is exactly what we  get here in india in our ac sockets   well guys this one what you see is my cordless  drill battery charger okay see 48 volts and uh   i'm using this instead of a mobile phone charging  demonstration because this one has this uh   led light indicator and it is two-way red and  green so i can do good demonstration with it   and this is my 48 volts lithium ion battery pack  that this charger is going to charge okay   yeah connections have been made yeah  that's the indicator remember okay   it has started charging   well the generator here as you can see  is connected to the drill machine and   to the transformer and to my night bulb okay   you

Channel: Mr Electron

Views: 300,562

Keywords: mr electron, mr. electron, make, 220v, ac, brushless, generator, mixer motor, motor, universal motor, project, idea, 2020, project idea, idea 2020, project idea 2020, 220v project, generator project, motor project, 220v motor, 220v ac, 220v generator, motor generator, mixer motor generator, generator from motor, ac generator, universal motor generator, ac motor 220v, universal generator, Old Mixer Motor, 220V AC Brushless Generator, brushless motor, brushless motor generator

Id: _sJvt9jx6-s

Length: 16min 3sec (963 seconds)

Published: Sat Jul 25 2020