SC(B)H15 Type Amorphous Metal Dry-type Transformer

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SC(B)H15 Type Amorphous Metal Dry-type Transformer

Q:I have been told by multiple people variable transformers reduce amps and volts simultaneously, Since transformers reduce amps to increase volts, how is this possible?also, if i want to reduce amps while maintaining volts for a source of 10 amps at 120 volts could i connect a variable transformer and reduce the source to 60 volts and 5 amps, then run that output to a step up transformer at 120 volts and 2.5 amps and then connect this to a 1200 watt electromagnet, will it only draw the 300 watts provided at 120 volts and 2.5 amps? or will it draw as much current as it can?: Simple answer Your house hold items like dvd player tv alarm clock all have a step down VOLTAGE transformer other appliances like a bar heater / toaster hot plate will not be stepped down. Reason being only a voltage transformer is because your home has a line either 240 volts or 110 depending if USA or Australia ect and it stays at that voltage throughout your home. You can also have step down CURRENT (amps) transformers for electronics ect. Step up voltages saves power being wasted so they step it up in transformers and run the power high above the ground and step it down again on electrical poles transformers and substations to distribute it to homes Reason being is OHMS law thinner wires can be used on high voltage because the current is very low , and thicker cables are needed where the current is very high eg a mig welder. I WANT TO MAKE 120 VOLTS AND 10 AMPS 120 VOLTS AND 2.5 AMPS! Answer you can do this 2 ways , cheapest way is to use a resistor in series to step down your current you will need a 48? resistor or a step down transformer

Q:I have 13 lights with 12 volts 35 Watts on each light for each tree, the outlet is 120 volts current now. Should I buy 300Watt or 600Watt low volts transformer to supply all lights? Need your advise!: you need to drop lights down to 25 watts ,and use the 300 , the 600 is just 2 300s not a solid 600. check out malibu lights web site.

Q:I know that someone made a transformer movie. But wouldn't DBZ the movie be a lot better!?!?!?: If DBZ is Dragon Ball Z, the answer to your question is no. I say this not out of opinion but out of America's taste in entertainment. America as a whole doesn't tend to enjoy Japanese style entertainment. Transformers is a movie based on aliens and robots. DBZ is mostly based on magic and such. America likes stuff that they can grasp and make sense of.

Q:I am looking for a transformer with an output of 6 volts, and 1.8 amps, or any transformer that can run that cycle. Please, let me know. I've been looking for months now, and cannot find anything. Please help. Where would I buy it? Lowes?: First okorder

Q:hi , i got some electronics frm asia( like camera and hair dryer) , which can only be used in 220 volts. which converter or transformer sud i use which changes 110 volt to 220 volt ? and where can i get it ? i searched for it . but i found converters that change 220 v to 110 volt :(: Check Hammond, they have auto transformers that can be wired either step down or step up. You need to know the total wattage of the devices you have , and choose the largest one. Frequency, hopefully, is not an issue here.

Q:The zero line of the transformer can be connected with the ground wire. Why not leave it?: Transformer at the zero line with the ground line together, called "repeat ground", is to achieve a stable system 220 volts power supply, the advantage is now widely used 380 / 220V system. That connector out immediately, there is a zero sequence current transformer, set in the zero line busbar, mainly to protect the transformer, it will not allow the transformer zero line there is a large current, that is a fault. The substation is coming out again. The general line is the end of the user or equipment, the device is a three-phase five-wire system, there is a main switch, often this switch is with leakage protection function, it does not allow any part of the line ground, the body accidentally touch, Causing the switch off power, can play a role in protecting personal safety. So, this part is not allowed to zero line and ground together, also known as TN-S system.

Q:Hi, I replaced two 12V 20W halogen bulbs (wired in parallel) by two 3W 12V LEDs also in parallel. The problem is that the transformer (in a kitchen fume hood) seems to shut down when both LEDs are connect. It can take one but the two cause problems. I guess this might be caused by the very low resistances of the the 2 LEDs connected in parallel that short circuit the transformer? How can I reduce this short circuit without causing significant voltage drop for the LEDs? I tried using them in series but they won't work because they will then each have half the required voltage. Of course the idea is o find a solution that will also not significantly interfere with the energy savings associated with the change of halogen by LED. Btw, the LEDs are MR16 and have their own little voltage regulator/stabilizer circuit (or whatever that is).Thanks!: Low Voltage transformers (ELV or MLV) are tricky. Just because you have the voltages the same doesn't mean you have the right current being drawn by the LED's.It could be too low or too high. Were the original halogens MR16 form factor as well? I'm guessing the xfmr was specifically designed for a set voltage/current/power. Consider this: Two 20W halogens 40W. PowerVoltage*Current 2012*I I 1.67 amps through each bulb, 3.33 amps total drawn from the xfmr Transformers operate on the principle of Power in Power Out. The xfmr is probably designed to provide 40W, regardless of whatever current draw you put on the transformer. The LED's only need 6W from the xfmr. However, the xfmr probably doesn't care. It's still spitting out 40W at 3.33A. 0.5A (2*3W/12V) is all the LED's need. If the xfmr is still trying to provide 40W at 0.5 amps, the output voltage is compensated up to 80V coming from the xfmr. Most LED bulbs have protection for this in the engine, (the regulator/stabilizer as you call it), called over-voltage protection. This is probably whats causing the bulbs/transformer to fail. The problem is, especially with transformers, is that you must match the load. If the transformer is expecting a specific load and you give it something it can't handle, it'll either destroy the load or damage the transformer. The easiest way to avoid this is to always match the power of the original load to the load you intend to put in. 40W of halogens should be matched with 40W of LED. This is the gimmick with retrofit bulbs like the MR-16. You're not really saving any energy when you use retrofit bulbs. You just get a longer bulb life and a lot more light from the same power draw. LED lighting is a niche market. If you can't figure it out, wait a few months and LED lighting fixtures will decrease as the market is flooded with new product and becomes more competitive. I'd recommend investing in something like that instead of retrofitting.

Q:I have halogen lights in my basement. When i mean contact i am talking about this little hanging jack where by you plug in the light bulb into. For some reason, one of my lights are not working properly but I have already tested the light bulbs out. I have a feeling that the contact/transformer (hanging jack slot) is ineffective. Does anybody have an idea how to change these things?: Pull a light from one that you know is working and try that, also if your not using sealed bulbs don't touch the lamp. It depends on the type transformer if that is your problem, turn off the power, remove it and order the replacement part

Q:i have this audio transformer (about the size of a bottle cap) with three prongs on one side and two on the other. i am completely mystified by this configuration. how would i (say for example) hook up this transformer to a 9v battery in order to increase voltage? thx: 9v battery has a D.C. and a transformer only work in A.C. circuits.

Q:i have fuses and everything that i can use to test my primary but should i add more turns on the primary side? yes i know line voltage is dangerous. yes i have worked with it before and know how to work around it.: 1. I don't see why a power transformer from a UPS would get hot unless it was overloaded or short- circuited, or incorrectly connected. 2. If you are going to power the circuit you indicate, and it requires 12V at 5 A., there are plenty of power transformers off- the shelf you could use to build a power supply with. It would need to be rectified and filtered, for DC output as you require. Possibly voltage- regulated as well? Gets costly Another way would be watch OKorder or similar for a switchmode power supply that does the job (more efficient, less weight). Example: I used 2 computer power supplies I bought brand new, for $A5.00 each, to power a linear RF amplifier that needed 10V DC @ 15A., and a bias supply of -5V @ a few mA. I wired them together to produce 10V DC 26A, using the 5V 26A outputs in series. I only needed to isolate the neg. end of 1 of the 5V outputs from the common ground to get both in series. The bias -5V I derived from the -12V out of one of the supplies, with a 7905 voltage regulator to cut it to -5V. My point is, this entire power supply weighs about 3/4 KG. It is voltage regulated and overload protected, and compact. A standard power supply with output levels like this would be considerably heavier and bulkier, and considerably more expensive.

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