How to do 220v to 12v transformer 1000w

Production method: Use 4 diodes to make a bridge rectification, and add a 25V 1000UF capacitor.

The output of the transformer from 220V to 12V is connected to 4 1N5408<3A1000V > rectifier pipes to form a full bridge "need to be welded by yourself", and a motorcycle headlight bulb is added to limit the current "left and right" and charge for about 6 hours. There is another way, buy a finished bridge 15A1000V iron "10 yuan", transformer output bridge on the 2 AC symbols, bridge + number connected to the battery red + pole, bridge - number connected to the negative pole of the battery, on the positive pole string on a motorcycle bulb current limit, if you want to adjust the current can choose a 12 volt bulb of different power.

It has exceeded the scope of small transformers, it is best not to do it yourself, calculate that the diameter of the secondary coil is too thick, to reach 100A output current, the diameter reaches about 6mm, it belongs to the copper rod, it can't be entangled, and flat copper wire should be used. The easiest way is to find a small AC welding machine, the kind that can be carried around, and just change it.

Just buy it directly, why do you do it, the first trouble, the second is tired, the third you go up to find the material, the material is the most difficult to find, you go there to find silicon steel sheet, copper wire is easy to buy, silicon steel sheet, it is better to buy one for only a few hundred yuan.

Switching power supplies are your first choice!!

You need to make a power transformer with an output power of 1000 watts and a 220-volt transformer of 12 volts. First of all, you have to find an iron core with a cross-sectional area of 40 square centimeters. Annular core, mouth core, and EI core can be used. The cross-sectional area is shown in lxb:

1. Selection of primary coil diameter. According to the output power of the power transformer of 1000 watts, calculate how much current is needed, and select the thickness of the enameled wire.

2. According to the calculation, the primary coil needs to use current ampere (the power transformer factor is, by consulting the enameled wire through the safety ammeter, the primary coil needs to use enameled wire with a diameter of millimeters.

3. How many turns do the primary coil need to be wound. According to the calculation of the core cross-sectional area of the power transformer, 40 square centimeters are required, the general silicon steel material is used, the magnetic flux is calculated according to 1w gauss, and the number of turns per volt is turns (according to the calculation), then the primary coil needs to be wound 330 times with millimeter enameled wire.

4. The secondary coil needs to be selected with enameled wire diameter. According to the lookup, it is necessary to make 18 turns with 2x3 mm enameled wire. The secondary coil can also be used, and the thickness of the enameled wire can be selected by multiple groups of parallel output.

5. Due to the relatively large output power of the transformer, you need to be cautious and careful when powering on the experiment after winding! Avoid accidents!!

It is determined that the ratio of turns between the primary coil and the secondary coil is 3:55, so that 12V becomes 220V.

According to the principle of the transformer, it can be known that the ratio of the effective value of the voltage of the primary and secondary coils of the transformer is equal to the ratio of its turns and the difference between the voltages of the primary and secondary coils is .

In the old transformer, the position of the primary and secondary coils is determined, and when the coil is wound, it should be noted that the ratio of turns between the primary coil and the secondary coil is 3:55, and the other positions remain unchanged, so that 12V becomes 220V.

No. Generally, household 220V to 110V power transformers have been set up for safety protection, and the protection settings generally have two types: grounding protection and overload protection. Power transformers from 220V to 110V burn out because the transformers are not overload protected.

In the event of an overload, the overload protection automatically disconnects the circuit protecting the transformer. Therefore, when disconnecting the power supply after using the transformer for a while, check if it is overloaded. The thread diameter is too thin. When the current is too high, the coil is severely heated, causing the transformer to burn out.

When domestic electrical appliances are brought to foreign countries, it is necessary to use a 110V to 220V voltage converter, and convert the foreign 110V mains power into the 220V voltage required by domestic electrical appliances through the converter, so that domestic electrical appliances can be used normally abroad.

Summary. In general, the output power of the transformer is selected according to the power requirements of the connected equipment. For example, if you need to convert a 12V DC power supply to a 220V AC power supply in order to power a home appliance such as a TV, stereo, etc., then you need a transformer with an output power between 150W and 500W.

It is important to note that the power demand of the appliance you are connected to should not exceed the output power of the transformer. At the same time, when purchasing a transformer, it is recommended to choose a model with slightly more power than required, which can ensure durability and stability during long-term use.

In general, the output power of the transformer is selected according to the power requirements of the connected equipment. For example, if you need to convert a 12V DC power supply to a 220V AC power supply in order to power a home appliance such as a TV, stereo, etc., then you need a transformer with an output power between 150W and 500W. It is important to note that the power demand of the appliance you are connected to should not exceed the output power of the transformer.

At the same time, when purchasing a transformer in the source rock, it is recommended to choose a model with slightly larger power than required, which can ensure durability and stability during long-term use.

Use the washing machine motor to learn how much power a homemade generator can make.

When using a washing machine motor as a homemade generator, the amount of power it can emit depends on many factors, such as: the rated power of the motor, the speed of the motor, the speed of the generator, the efficiency of the generator, etc. Generally speaking, when using a washing machine motor as a homemade generator, the actual amount of electricity and power available is usually small, ranging from tens of watts to hundreds of watts.

This kind of homemade generator is also commonly referred to as a miniature generator. If you want to get more power, you need to use a larger or more efficient motor, and you need more complex circuitry to control the output current and voltage. It should be noted that the power and power of a homemade generator depends on a number of factors, and it is not easy to use a washing machine motor to obtain a high power supply.

Therefore, if you need a lot of power and high power output, choose a professional generator to set up a big backup.

Hello, according to your question to make the following answers, since 220V 1600W electrical appliances need to operate at 110V voltage, so the capacity of the required transformer should not be less than 1600W, it is recommended to choose a transformer with a larger capacity, such as a transformer pin above 2000W, so as to avoid problems such as efficiency and heat change. It should be noted that in order to ensure the normal use of electrical appliances, the output string voltage of the transformer should not be higher than 220V, otherwise the electrical appliances will be damaged. Extensions:

In addition, it is necessary to pay attention to the balance of voltage, as well as the high quality of the transformer itself, when using the transformer, because the quality of the transformer can directly affect the safety and reliability of the transformer.

Good evening, dear <>

To convert a 220V electrical appliance to 110V, a transformer needs to be used to step down the voltage, and the power of the transformer needs to be determined according to the power of the electrical appliance. According to the electrical power given by the question, the fan is 1600W, and the power of the transformer can be calculated by the following formula: transformer power = electrical power Transformer ratio, wherein, the transformer ratio is 220V 110V=2.

Therefore, the power of the transformer is: 1600W2 = 3200W, that is, you need to use a transformer with a power of 3200W to convert 220V electrical appliances to 110V. It should be noted that the rated power of the transformer should be slightly greater than the actual power of the appliance to ensure that the transformer can work properly and ensure the safe use of the appliance.