What is a control transformer? Control transformers are used as step-up or step-down transformers to meet electrical needs.
Control transformers are widely used in the industrial field. If you want to better develop transformer business, you should have a deeper understanding of it. This article introduces you in detail what is a control transformer from the working principle, advantages, and applications of control transformers.
1.What is a control transformer?
Control transformers are used as a step-up or step-down transformer to meet power requirements.
The control transformer can be divided into two types, namely control transformer and control relay.
Control transformers are mainly used for power supply in communication, industrial automation and other devices such as household appliances and electronic equipment etc.
The working principle of control transformer is as follows: when the voltage from the grid or battery is higher than the voltage generated by an AC generator, then AC generator will operate at full load, but when there is no power from the grid or battery or low power supply (LV), then switch automatically shuts off due to safety reasons; at this time only one phase voltage remains unchanged so that it can be used for charging batteries through charging poles etc.
A control transformer is used to control the power, voltage, current and frequency of an AC power source. Control transformers can be used in a variety of applications ranging from switching power supplies to motor drives.
In addition to these basic uses, they are also used in high-power applications such as communications switching centers and data processing equipment such as computers.
Control transformers are made up of two primary parts: an iron core (usually) wrapped around a copper wire winding; this combination is called an autotransformer because it automatically changes its output voltage depending on input power levels according to Ohm’s Law: Vout = Va * r^2 where Vout is output voltage measured across the ends of your transformer; Va represents voltage drop across each particular winding on your autotransformer; r represents resistance between each winding’s endpoints when measuring for output voltages at different frequencies or loads applied onto said device(s).
2. Types of control transformers
There are two types of control transformers: step up and step down. These are the most common, but there are other options as well.
- Step Up Transformer: This type of transformer matches the voltage level of your power source and load by increasing or decreasing its output voltage (voltage). For example, if you want to run a 12V appliance from a 24V battery pack while charging your phone in another room, you could use this type of transformer.
- Step Down Transformer: This type of transformer decreases an existing voltage by using resistors to adjust it down toward zero volts until it reaches zero at which point it becomes DC current flowing through it once again (no more AC).
In addition, there are two types of control transformers, autocoupling and isolation.
3.How do control transformers work?
A control transformer is a device used to change the input voltage, current or power of an electrical circuit. It is also known as a voltage or current transformer and can be used to step up or step down the value of its input signal.
The working principle of this type of transformer is similar to that of an inductor: when there are high alternating currents flowing through it (like in AC circuits), they produce magnetic flux which induces an electromotive force (EMF) in opposite directions at each end of the core material. This creates additional currents inside its coils that oppose those created by external sources such as transistors or light bulbs connected across them.
4. Advantages of control transformers
Control transformers have the following advantages:
- Low cost: Control transformer prices are usually cheaper than ordinary transformers.
- Good heat dissipation: The control transformer is usually a dry-type transformer, and the heat dissipation is strong and usually does not require an additional fan heating device.
- Low noise: Control transformers generally have no noise or are less noisy than ordinary transformers.
- Small size: Control transformers usually have a small size due to limited space
- Lightweight: Due to its small size it is also light in weight.
- Low environmental pollution: The control transformer is more environmentally friendly because it is a dry-type transformer without any liquid cooling.
- Reduces installation costs because you don’t need an extra transformer for every circuit that sends a signal from one place to another – you just need a control transformer at every point you want that signal to go through!
4.Application fields of control transformers
Control transformers are widely used in various industrial applications such as various mechanical equipment, power adapters, etc., which require control transformers.
Control transformers are generally used for machine tool lighting, secondary (control) circuits of equipment, and step-down (safety) isolation. Of course it can also be used for other purposes.
It can be divided into fixed frequency control transformer and variable frequency control transformer. The former is generally used when the output voltage or current needs to be adjusted according to the required load; the latter is mainly used to adjust the input voltage or current according to customer requirements.
Control transformers are part of our lives, and they may be in any electrical appliance or equipment you use.
In this article, we have talked about the general control transformer and its working principle. Control transformers are used in various industries such as communication, lighting, transportation, heating and cooling systems. This technology is very important to meet the needs of power supply.
If you have demand for control transformers, please contact Shuogong Power, Shuogong Power is a leading control transformer manufacturer in China
We support customization of various control transformers, no matter what voltage you need, we can meet your needs.