power transformer parts and its Function

What are Electrical Transformers? Peopple often use an electrical transformer to…

What are Electrical Transformers?

Peopple often use an electrical transformer to transfer electrical energy from one circuit to another. They are a vital part of our power systems that allow us to use electricity in our homes and businesses. Transformers work by changing the voltage of an incoming electrical current. Allowing it to be distributed through a different circuit at a higher or lower voltage. This is a process with the help of electromagnetic induction. Where two coils are used to transfer energy between circuits without any physical contact.

Transformers have many applications in both residential and industrial settings. Including supplying power to towns and cities, converting AC current into DC current for use in electronics, and serving as the link between generators and distribution networks. Without transformers, it would be impossible for us to harness electricity on a large scale.

35KV oil immersed electrical transformer


Different power transformer parts and its Function

A transformer from the supply is an electrical device that helps to transfer energy between two circuits. It consists of several basic parts. Including the transformer core, primary and secondary windings, transformer oil, a conservator tank, two types of tap changers, a breather, an explosion vent and a buchholz relay. The main function of different parts is reducing the power loss,core loss,eddy current loss and hysteresis loss.

power transformer parts

The transformer core is made of insulated laminations which provide the path for magnetic flux. It is used to provide a low reluctance path for the magnetic flux linking windings.The primary and secondary windings are insulated copper wires that create electromotive force (EMF) in order to transmit voltage between circuits.

The transformer oil cools the coils and insulates them from each other. The conservator tank stores extra oil when the temperature rises or when there is an increase in load on the transformer.

There are two types of tap changers: a de-energized tap changer (DETC) and an on-load tap changer (LTC).And tap changer is used to change the voltage manually or automatically as required by varying loads on the system. A breather is a cylindrical breather and it prevents any loss of oil due to evaporation or air leakage into the system. An explosion vent provides protection against any sudden increases in pressure due to faults in the system. Finally, a buchholz relay is used as an indicator for any fault occurring within the core or windings of the transformer.

All these parts work together to ensure that energy can be safely transferred between circuits without any losses or damage caused by excessive heat or pressure.

power transformer parts:Transformer Radiators

A transformer radiator is an essential transformer parts in a electrical transformer. It used to cool the transformer oil tank and keeps it at the right temperature to protect the transformer so that it can operate safely and reliably. The radiator is usually made up of aluminum fins or turns of copper with a fan placed on one side to help draw air through the fins. This helps keep the transformer tank cool, which improves efficiency and helps prevent it from overheating or failing.

Without a properly functioning radiator, a electrical transformer could overheat and fail, leading to costly repairs or replacement.

For this reason, it’s important to make sure your transformer radiators are always in good working order.

Regular maintenance and inspections should be done to ensure that everything is running smoothly and that there are no issues with either the radiator or the cooling system as a whole.

Transformer Radiators

By taking good care of your transformer radiators, you can ensure that your electrical transformers will remain efficient for years to come.

power transformer parts:Low and High Voltage Bushing

LV and HV Bushings are essential parts of a transformer. They provide insulation to the HV winding in the transformer, which allows electricity to move safely around the system. The bushings are made up of different materials, depending on the type of voltage they are designed to handle.

transformer bushing

LV bushings have an insulation rating of up to 1 kV, while HV bushings can have an insulation rating of up to 36 kV or more. Bushings also act as terminals for connecting wires and cables to transformers, and they help protect against electrical leakage that could damage the windings or cause a fire hazard.

Without them, it would be impossible for a transformer to safely transfer voltage from one conductor to another. Therefore, LV and HV bushings are essential components in any transformer system.

Transformer Tank of The Power Transformer and Accessories:

A transformer plays a important role in electrical systems, and it requires a main tank of the transformer and accessories to function properly.

The main tank contains transformer oil, which helps cool the core and winding of the transformer while providing insulation against high voltage.

transformer oil tank

A conservator is also attached to the top of the tank to help regulate pressure in the transformer. And conservator usually includes half-filled with transformer oil to refill the oil.A breather is installed on the side of the transformer tank to allow air entering and eliminating without letting moisture enter. Inside the tank, there is a silica gel container that absorbs moisture from the air and keeps it dry.

An explosion vent ,which used for preventing explosion of the transformer,is also mounted on top of the tank for safety purposes if there is ever an excess build-up of pressure inside the transformer. Lastly, a buchholz relay can be found within the oil system of a transformer tank as it continuously monitors pressure changes, temperature changes, and any gas accumulation within the winding insulation.

With these components working together, transformers are able to operate safely and efficiently in providing power throughout electrical systems.

Insulation Materials

It is usually using the Insulation materials in transformers to insulate the primary and secondary winding, core and transformer oil. Paper, cardboard, and other materials are used to ensure that the electricity is contained within the transformer, preventing any potential shock hazard. The two important functions of insulating materials are to protect against electric shock and to keep the transformer cool.

Insulation Materials For Transformer

The insulation prevents heat from escaping from the winding, as well as from the transformer core. This helps prevent overheating of the components in the transformer which can damage it or cause it to fail. Furthermore, it also helps maintain a more consistent temperature throughout the entire system.

Ensuring that all parts work together efficiently for optimal performance. It can avoid explosion of the transformer. Insulating materials are essential for proper functioning of a transformer by providing two major functions: safety and cooling.

Transformer Oil

 A power transformer is a key component in the electricity grid system and consists of several main parts. The most basic parts of a transformer is the transformer tank that houses the winding of the power transformer, which are responsible for step-up or step-down voltage. Transformer oil is an essential component of a power transformer. And serves two main functions: to cool the windings of the power transformer. And to prevent electrical breakdown due to arcing.

You shoulod carefully choose the transformer oil as it must not deteriorate over time. Thus ensuring a reliable source of electrical energy. It also helps to reduce wear and tear on the windings of the power transformer, thus making them last longer. Transformer oil is one of the most important parts of a power transformer as it helps keep it working efficiently. Without it, the windings would overheat and eventually fail. Leading to costly repairs or even total replacement of the power transformer.

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