You can not convert the transformer without cutting the secondary windings. The secondary winding is a split secondary that is wound that way from the manufacturer. To accomplish what you asked would entail unwinding each side of the 12 volt winding half way. At this point solder a pigtail out to a terminal block. This would be your 6 volt tap. Then the coil would have to be rewound to its original state as before the unwind. This same procedure will then be done to the other side of the secondary. Done as a project, maybe, workable within ones capabilities, no.
If it is AC then you don't need a formula, you just need a transformer.
any one of the three line to neutral is 220 volts
If these are the exact voltages that you need you will need an auto transformer to obtain these voltages. If these voltages are nominal voltages and are of a three phase four wire configuration, the 220 voltage can be obtained from the three phase legs to the neutral (ground) connection. The equation to use is 400/1.73 = 231 volts.
Since there is an AC to DC converter in there, it's hard to say. If it's a basic transformer to rectifier to capacitor design it will put out 6 volts. If it is a transformer to a voltage regulator it's hard to say what will happen. Certainly the drive voltage to the regularor will be cut in half. It may or may not run, but won't be able to run at 12 volts because there won't be any 12 volts to drive the regulator. (There will only be 6 volts.) If it is a switcher it may work fine or it may do nothing.
The formula you are looking for is I = W/E. Amps = Watts/Volts.
The only way to do that is with a transformer. They make inline transformers that convert 230 to 115 and they simply plug in inline.
If it is AC then you don't need a formula, you just need a transformer.
You can use a transformer to step down the voltage from 440 volts to 380 volts. Make sure to use a transformer that is rated for the required input and output voltage, and have a qualified electrician perform the installation for safety.
The type of transformer that can convert from microvolts to volts is a step-up transformer. This transformer increases the voltage level from the input side (microvolts) to the output side (volts) using electromagnetic induction. Step-up transformers are commonly used in power distribution systems to increase voltage for long-distance transmission.
With a Step Down transformer. But you will probably have a hard time finding a 240 volt unit. 120 volts units are readily available. <<>> It depends on how big of a transformer that you are looking for. There are many control transformers in the 50 to 500 VA range that have dual primary and dual secondary. The primary side can be connected to 240 volt or 120 volt and the secondary can be connected for either 12 or 24 volts.
Transformers are rated in KVA or VA (volt-amps). They transform voltages from one value to another. The current in a transformer is inverse to the voltage. This is why transformers are rated in KVA and smaller ones in VA.
Converting 9 volts to 230 volts would require a pretty hardcore step up transformer (Expensive) and you probably wouldn't have enough current to sustain the load.See discussion page for more information.
Use a voltage devider or a transformer.
The recommended voltage requirement for a thermostat compatible with a 24 volt transformer is 24 volts.
There is no need to convert a 110-volt outlet to 115 volts as they are essentially the same. The slight variation is within the normal tolerance range for electrical systems. If you need to use a device that requires 115 volts, you can safely plug it into a 110-volt outlet without the need for an adapter.
There in no quick and inexpensive way of doing this conversion. A transformer would have to be used and this type of winding is not common. 277 volts is the wye voltage of a three phase 480 volt system.
To increase voltage from 220 volts to 600 volts, you would need to use a step-up transformer. This transformer will convert the incoming voltage to a higher voltage level while maintaining the power output. Make sure to consult an electrician or engineer to ensure the proper equipment is used and safety measures are followed.