@DJinfinium An autoformer has primary and secondary connections on a single winding or a physical connection between two separate windings causing a relationship between the two.
@drainocleanser The shunts make the core more like a ballast. The shunts tent to current limit the secondary making it spongy. Neon sign transformers can tolerate a shorted secondary for extended periods of time. You must not wind the secondary to draw more current than the primary is rated for. If the trans is rated 900/1000/1200 watts, don't load the secondary more than that.
How do i find out how high my primaries can put out? some of my transformers have no markings? I don't have a inductive meter...yet. Is it possible to burn out primaries as well?
looking for ease on the machine if im building a welder. i was also thinking of buying isolation transformers for safety. Build a nice machine to run on 110v without getting too hot. I don't know what my breakers are rated at yet so iv got to take that into consideration.
@drainocleanser Yes, you certainly can burn out a primary winding. Check the gauge of the primary winding. A 12gauge primary should be good for 1000+ watts at 120v. Forget the isolation trans.
First of all I would like to thank you for your prompt response. Should I keep the pulse start for the mercury vapor bulb or does it need it to operate? The impression that I'm getting from you an others is a metal halide ballast 175w and higher can operate a metal halide and mercury vapor bulb. However a mercury vapor ballast will not operate a metal halide bulb since a halide because it is more picky. So my question basically is should I just buy a mercury vapor bulb for my fixture and I not
@KyleTraeCaswell The mercury vapor bulb will start without high voltage unlike the metal halide. I would just leave the igniter in the fixture and try the MV bulb. Once the arc starts the igniter will stop. The MH bulb will have a brighter, whiter light but does not last as long as MV. Although the MV bulb lasts much longer, as it ages, it's light output declines significantly.
I have a 175w metal halide floodlight that I would like to use a 175w mercury vapor bulb in. Would you happen to know if it will work? From what I hear all metal halide ballasts 175w and higher will operate a mercury vapor bulb without problem. Can you tell me if this is true? If it is true is it as simple as buying a mercury vapor bulb and screwing it in the socket? Your thoughts? Please get back to me and thanks so much! :) -Kyle
@KyleTraeCaswell Yes, this is what I've read right on the fixtures. The difference is that the metal halide fixture has an igniter for the high voltage pulse to start the lamp. The mercury vapor should work just fine in a metal halide fixture.
@ytmachx Quick question, must I use solid wire or will braided cable be fine? I have some nice 8 gauge wire that should be perfect for the task but it's braided and I have heard that will not work. Your reply is appreciated.
@2Lazy2ThinkOfSomthin I'm using stranded wire. I'm not sure if that is what you are calling braided. Bottom line is that the wire must have some type of insulation. Either a varnish, like magnet wire, or thermoplastic jacket of some kind. Solid or stranded doesn't matter.
Good job, I could rewind one transformer and stop using this unreliable old PC PSU. I have MMO titanium/titanium electrodes and I want to pump 15A through, but my PSU only permits 8.
Got to find powerful diodes for rectification though
Yeah, I also want to build a source of larger current for my chlorate cells. China's PC PSU cant delivery continuosly more than 8, maybe 10 amps through +5V or +12V wires.
I will follow Swede's idea for winding my MOTs, as I also have some MMO anodes and titanium cathodes.
Just a thing: what are the best and cheapest diodes to use?
I will try to put up a video soon, of a re wound MOT, for the purpose of running a chlorate cell. It seems that The MOTs are much more common than ballasts. I used the ballast because I have lots of them. I will also try to show an improvised bridge using common diodes.
OFF: Swede, do you thing magnetic stirring in ClO3- cell will improve yields?
Im currently running one cell (~1L) with improvised magnetic stirring.. I guess that should be more efficient in controlled pH cell's, but Im not controlling pH.. Maybe at least... Will that improve heat dissipation through the cell?
Thank you very much for your help, I think to reduce the amperage ¿is it possible to increase the voltage? P = IV 650W/13 = 50 A, but I worry this change will affecting the chlorate cell, for example by increasing the temperature of the solution or this it depends on the amperage, sorry for so many questions, thank you very much for your help.
You will never need more than 7 volts on the electrodes, in fact 4 volts works just fine. It is the amperage that makes the most difference. You may need to set up the cell first and adjust the distance between the electrodes to find the best voltage and current. I would start with the electrodes 70mm apart.
Thank you very much but I have one more question, will the MOT if to reach an output of 50 amps, I believe there is a power of 650W, using this formula: W = IV 650W/8V = 81A, but not if it reaches or probably much less, so I put like 50 amps of course ... because I want to buy the bridge rectifier but I need to know how many amps because it is expensive and I would not make a bad investment.
Yes, your math is correct. That is at 100% efficiency of course but 50 amps at 8 volts should be no problem. Several smaller bridge rectifiers can be paralleled for more current, provided that they are identical in every respect. One of the most common bridge rectifiers in the U.S. is 35 amp 400Volt. They are about $15.
Hello I am trying to build a high amperage source with a MOT, 6 volt output shows, but don´t know the amps have in the output, I wonder if a 50 amp bridge rectifier would be enough and finally I have a 16V and 4700uF capacitor electrolitic is needed any changes or add more condenser, thank you very much for your help.
To find out the amount of amperage capability, you will have to load the output winding. I use NiChrome wire ( wire from a heater element). Check the voltage drop while loading. For 50 amps you would need about 8 gauge wire. It may be difficult to get enough wire of that size on the core to get the voltage you're looking for. The bridge should be rated for 50% more current than you are running and have an adequate heat sink.
ur capable of getn at least 400 amps with the set up u discribed, thats give or take 100 amps ,, also a 50 amp diod can handle well over 50 amps if its properly cooled
Assuming the MOT is 1Kw, with a 6 volt winding, about 150 amps are possible provided that you could get enough wire on the core of a large enough gauge. This is not possible.
It is never a good idea to pull more current through a bridge rectifier than it is rated for. It is difficult to remove enough heat as it has only a limited amount of surface area on the heat sink surface. It is much better to have a group of diodes rated for the more than the load. More surface area to remove heat.
Im getting a MMO anode 2"x6", how many amps should i be putting through it? I dont want to damage it at all. Hopefully i can treat it well and have it last forever.
thank you very much for your answer, then I think now that the purchases, I was using a switching power supply of 2 amps and 7 volts, but the yield per hour was 1.2 grams of chlorate, very little, I hope that with this 22 amps and 5 volts, a lot more performance, in a week I tell, for this moment I got results and yield of the process.
thank you very much, it will take into account, but I would like to know if it is possible instead of transformers, using a switching power supplie of 5 volts and 22 amps regulated for make sodium chlorate,because they offered me one I would buy it and if it works in this process, I don´t have many transformers for build good power supply.
Thanks for your answer, I build a source of high amperage, using 10 transformers of 50W in parallel with a voltage of 12V and 4 amps each, for a 6V output and 40 amps to avoid overheating after I connect the output of the bridge in place diodes and a capacitor, and finally a power transistor, forgiveness for my poor English management
If you are using actual transformers,(not switching power supplies), the windings have got to be in phase with each other when they are connected together. You will see what I mean when you connect them.
Hi, it is possible to manufacture a high amperage source of placing multiple electric transformers in parallel, the same characteristics to obtain a same that you like in the video, thank you for your help
Yes it is possible, in fact, the power companies that supply electricity, "bank" or parallel transformers on power poles as a matter of practice. All the secondary windings that are connected in parallel must have windings as identical in voltage as possible. It may be tricky to get a setup that works properly this way without heating up too much.
what is the difference between an transformer and an autoformer?
DJinfinium 1 month ago
@DJinfinium An autoformer has primary and secondary connections on a single winding or a physical connection between two separate windings causing a relationship between the two.
ytmachx 1 month ago
Lol, 1.2 amps idle is WAY too much for a transformer that small. You need to try the 277 tap.
7ReyZor 3 months ago
@7ReyZor It works just fine.
ytmachx 3 months ago
HAnds up for international youtube anthem!
Gamerpaddy 3 months ago
@owocowy89 why? thats a great song.
2low2rl 7 months ago
Hey !! i have 7 big MOT transformers and one huge one from a neon sign that has 240 primary and 2 big bore secondaries already cut out.
All my transformers have their shunts, whats the use of removing shunts?
I want to make a 300 amp welder, i have lots of 8awg.
drainocleanser 9 months ago
@drainocleanser The shunts make the core more like a ballast. The shunts tent to current limit the secondary making it spongy. Neon sign transformers can tolerate a shorted secondary for extended periods of time. You must not wind the secondary to draw more current than the primary is rated for. If the trans is rated 900/1000/1200 watts, don't load the secondary more than that.
ytmachx 9 months ago
@ytmachx
Thanks 4 the reply
Interesting
How do i find out how high my primaries can put out? some of my transformers have no markings? I don't have a inductive meter...yet. Is it possible to burn out primaries as well?
looking for ease on the machine if im building a welder. i was also thinking of buying isolation transformers for safety. Build a nice machine to run on 110v without getting too hot. I don't know what my breakers are rated at yet so iv got to take that into consideration.
drainocleanser 9 months ago
@drainocleanser Yes, you certainly can burn out a primary winding. Check the gauge of the primary winding. A 12gauge primary should be good for 1000+ watts at 120v. Forget the isolation trans.
ytmachx 9 months ago
I am using a transformer from a 24V electric pallet jack. Thing is so much larger than my MOT and my 400W HID transformer!
Super73VW 9 months ago
@Super73VW That should work fine if you can tap one of the windings or remove some of the secondary turns. I would look for 7-8 volts open circuit.
ytmachx 9 months ago
First of all I would like to thank you for your prompt response. Should I keep the pulse start for the mercury vapor bulb or does it need it to operate? The impression that I'm getting from you an others is a metal halide ballast 175w and higher can operate a metal halide and mercury vapor bulb. However a mercury vapor ballast will not operate a metal halide bulb since a halide because it is more picky. So my question basically is should I just buy a mercury vapor bulb for my fixture and I not
KyleTraeCaswell 11 months ago
@KyleTraeCaswell The mercury vapor bulb will start without high voltage unlike the metal halide. I would just leave the igniter in the fixture and try the MV bulb. Once the arc starts the igniter will stop. The MH bulb will have a brighter, whiter light but does not last as long as MV. Although the MV bulb lasts much longer, as it ages, it's light output declines significantly.
ytmachx 11 months ago
I have a 175w metal halide floodlight that I would like to use a 175w mercury vapor bulb in. Would you happen to know if it will work? From what I hear all metal halide ballasts 175w and higher will operate a mercury vapor bulb without problem. Can you tell me if this is true? If it is true is it as simple as buying a mercury vapor bulb and screwing it in the socket? Your thoughts? Please get back to me and thanks so much! :) -Kyle
KyleTraeCaswell 11 months ago
@KyleTraeCaswell Yes, this is what I've read right on the fixtures. The difference is that the metal halide fixture has an igniter for the high voltage pulse to start the lamp. The mercury vapor should work just fine in a metal halide fixture.
ytmachx 11 months ago
@ytmachx Quick question, must I use solid wire or will braided cable be fine? I have some nice 8 gauge wire that should be perfect for the task but it's braided and I have heard that will not work. Your reply is appreciated.
2Lazy2ThinkOfSomthin 1 year ago
@2Lazy2ThinkOfSomthin I'm using stranded wire. I'm not sure if that is what you are calling braided. Bottom line is that the wire must have some type of insulation. Either a varnish, like magnet wire, or thermoplastic jacket of some kind. Solid or stranded doesn't matter.
ytmachx 1 year ago
Good job, I could rewind one transformer and stop using this unreliable old PC PSU. I have MMO titanium/titanium electrodes and I want to pump 15A through, but my PSU only permits 8.
Got to find powerful diodes for rectification though
extrasonic 2 years ago 2
You could use a lot of smaller diodes if they are all the same. Good luck on your cell. Let me know how you do.
ytmachx 2 years ago
Yeah, I also want to build a source of larger current for my chlorate cells. China's PC PSU cant delivery continuosly more than 8, maybe 10 amps through +5V or +12V wires.
I will follow Swede's idea for winding my MOTs, as I also have some MMO anodes and titanium cathodes.
Just a thing: what are the best and cheapest diodes to use?
Thanks!
TNITRATO 2 years ago
Ah, and of course, very good video! Thank you.
TNITRATO 2 years ago
I will try to put up a video soon, of a re wound MOT, for the purpose of running a chlorate cell. It seems that The MOTs are much more common than ballasts. I used the ballast because I have lots of them. I will also try to show an improvised bridge using common diodes.
ytmachx 2 years ago
Yeah, MOTs are far more popular than this ballast thing.. Indeed, I (think) have never seen a ballast here.
That tutorial will be great! Please, let me know when you do this.
TNITRATO 2 years ago
OFF: Swede, do you thing magnetic stirring in ClO3- cell will improve yields?
Im currently running one cell (~1L) with improvised magnetic stirring.. I guess that should be more efficient in controlled pH cell's, but Im not controlling pH.. Maybe at least... Will that improve heat dissipation through the cell?
Thanks!
TNITRATO 2 years ago
I just tore the secondary off of a MOT 10 min ago.
Btw, I'm using magnetic stir on my chlorate cell right now but I only stir for a few seconds once per day.
ytmachx 2 years ago
Thank you very much for your help, I think to reduce the amperage ¿is it possible to increase the voltage? P = IV 650W/13 = 50 A, but I worry this change will affecting the chlorate cell, for example by increasing the temperature of the solution or this it depends on the amperage, sorry for so many questions, thank you very much for your help.
80927269 2 years ago
You will never need more than 7 volts on the electrodes, in fact 4 volts works just fine. It is the amperage that makes the most difference. You may need to set up the cell first and adjust the distance between the electrodes to find the best voltage and current. I would start with the electrodes 70mm apart.
ytmachx 2 years ago
Thank you very much but I have one more question, will the MOT if to reach an output of 50 amps, I believe there is a power of 650W, using this formula: W = IV 650W/8V = 81A, but not if it reaches or probably much less, so I put like 50 amps of course ... because I want to buy the bridge rectifier but I need to know how many amps because it is expensive and I would not make a bad investment.
80927269 2 years ago
Yes, your math is correct. That is at 100% efficiency of course but 50 amps at 8 volts should be no problem. Several smaller bridge rectifiers can be paralleled for more current, provided that they are identical in every respect. One of the most common bridge rectifiers in the U.S. is 35 amp 400Volt. They are about $15.
ytmachx 2 years ago
Hello I am trying to build a high amperage source with a MOT, 6 volt output shows, but don´t know the amps have in the output, I wonder if a 50 amp bridge rectifier would be enough and finally I have a 16V and 4700uF capacitor electrolitic is needed any changes or add more condenser, thank you very much for your help.
80927269 2 years ago
To find out the amount of amperage capability, you will have to load the output winding. I use NiChrome wire ( wire from a heater element). Check the voltage drop while loading. For 50 amps you would need about 8 gauge wire. It may be difficult to get enough wire of that size on the core to get the voltage you're looking for. The bridge should be rated for 50% more current than you are running and have an adequate heat sink.
ytmachx 2 years ago
ur capable of getn at least 400 amps with the set up u discribed, thats give or take 100 amps ,, also a 50 amp diod can handle well over 50 amps if its properly cooled
NOBOX7 2 years ago
Assuming the MOT is 1Kw, with a 6 volt winding, about 150 amps are possible provided that you could get enough wire on the core of a large enough gauge. This is not possible.
It is never a good idea to pull more current through a bridge rectifier than it is rated for. It is difficult to remove enough heat as it has only a limited amount of surface area on the heat sink surface. It is much better to have a group of diodes rated for the more than the load. More surface area to remove heat.
ytmachx 2 years ago
Im getting a MMO anode 2"x6", how many amps should i be putting through it? I dont want to damage it at all. Hopefully i can treat it well and have it last forever.
luthmhor 2 years ago
I run about 20 amps. It really depends on how well the the strap or rod is connected to the mesh.
ytmachx 2 years ago
thank you very much for your answer, then I think now that the purchases, I was using a switching power supply of 2 amps and 7 volts, but the yield per hour was 1.2 grams of chlorate, very little, I hope that with this 22 amps and 5 volts, a lot more performance, in a week I tell, for this moment I got results and yield of the process.
80927269 2 years ago
thank you very much, it will take into account, but I would like to know if it is possible instead of transformers, using a switching power supplie of 5 volts and 22 amps regulated for make sodium chlorate,because they offered me one I would buy it and if it works in this process, I don´t have many transformers for build good power supply.
80927269 2 years ago
Yes it will work. Others have used them. I think I would try putting a filter cap on the output around 8000uF. Let me know how it works.
ytmachx 2 years ago
Thanks for your answer, I build a source of high amperage, using 10 transformers of 50W in parallel with a voltage of 12V and 4 amps each, for a 6V output and 40 amps to avoid overheating after I connect the output of the bridge in place diodes and a capacitor, and finally a power transistor, forgiveness for my poor English management
80927269 2 years ago
If you are using actual transformers,(not switching power supplies), the windings have got to be in phase with each other when they are connected together. You will see what I mean when you connect them.
ytmachx 2 years ago
Hi, it is possible to manufacture a high amperage source of placing multiple electric transformers in parallel, the same characteristics to obtain a same that you like in the video, thank you for your help
80927269 2 years ago
Yes it is possible, in fact, the power companies that supply electricity, "bank" or parallel transformers on power poles as a matter of practice. All the secondary windings that are connected in parallel must have windings as identical in voltage as possible. It may be tricky to get a setup that works properly this way without heating up too much.
ytmachx 2 years ago