Introduction of Power Transformers
Everyone hates the 9-hour shutdown at homes because life is too uncomfortable without Television, mobile phones (no charger to keep it on), refrigerators, and air conditioners. Admit it! Electricity has become indispensable in this modern era and one cannot think of a world without it. Well, not anymore. We would never want to go back to the old days. We are happy with our new lives filled with modern inventions. However, electricity is not that modern but it has been years.
Talking about electricity in our everyday life, Transformers play a significant role in the transmission of electrical energy from the power plants (generation) to our doorstep (distribution). Transformers regulate electricity by either increasing or decreasing the alternating current within the electrical system.
Why Power transformer?
With a wide variety of transformers available in the market, it is crucial to analyze and choose the right one that suits your requirements. The most widespread and commonly used transformers are Power transformers and Distribution transformers and they both have different applications and purposes.
Unlike distribution transformers where the transformers are always in energizing conditions, Power transformers are put into operation only when the load connected to it is to be operated. They are designed to handle high voltage inputs and can operate at more than 95% efficiency on full load whereas Distribution transformers will have high efficiency when operated at 50% to 70% load.
Power transformers have greater insulation property which results in increased cooling and also functions at low noise levels when compared to other transformers.
The expected life of power transformers is considered to be between 20 to 40 years.
When you have high voltage applications that require 100% efficiency at full loads and a constant power supply with the least fluctuations, it is the Power transformer you are looking for.
Where Power transformers are used?
Power transformers have a wide range of applications across a multitude of residences, industries, power generation, and distribution stations, commercial spaces, reactors, auxiliary plants to modify and regulate the power to a specific voltage level that is suitable for the given application.
Now that we know the features and applications of a Power transformer, lets dive into our guide that states 5 things that you need to know before buying a power transformer.
Things to know before you buy a Power transformer
First things First, before we look into our list, it is important to first gather some information about your voltage and power requirements. This can help you avoid mistakes related to voltage compatibility and wrong purchases.
There are several transformer manufacturing companies out there with a wide range of product options for different applications. Choosing the right one that matches your requirements can be a little daunting task. Here are few factors that will help you in the quest for your power transformer.
1. Power Rating of a transformer
Transformers are rated according to the level of power that they can safely handle without overheating causing damage. It is simply the maximum power that the transformer can deliver. The power transformer rating is usually in kilovolt amperes (kVA) or megavolt amperes (MVA) which is stamped on the transformer nameplate.
Since a Power transformer can operate close to the maximum capacity, it is important to ensure that the power rating is high enough. If the transformer has to handle higher power than its actual power rating, it can produce overheating and damage. So, it is essential to calculate the maximum power that the transformer may have to handle after installing it and then getting the transformer with the next higher rating.
2. Efficiency and Performance
An ideal transformer will have no losses and therefore be 100% efficient. As we know, power transformers are expected to operate at more than 95% efficiency. This means that the losses from the transformers should be minimized as much as possible. Two major causes of losses are the iron core (iron loss) and the copper winding (copper loss). The maximum efficient point is where both the losses match.
Before making the purchase, ensure whether
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3. The Durability of the Tank
The transformer tank provides the containment for the core and windings and the dielectric fluid or insulation oil. It must withstand the forces imposed on it during transport and operation. Power transformers are usually heavy and huge equipment, occupying a lot of space. They are also in constant exposure to the external surroundings and elements of nature.
The more durable and robust the tank is, the better the performance of the transformer is. You need to confirm beforehand that the tank is so manufactured with strong, corrosion-resistant, and leak-proof arrangements.
4. Determine the Vector Group
The Vector Group is a notation that provides details on the winding configurations (star/delta configurations) and the phase angle difference between the windings. Each group comprises of three methods of connection of high voltage and low voltage windings. Therefore, determining the vector group of the Power transformer before buying it is the key for the successful parallel operation of transformers in your network. Otherwise, it can cause circulating currents and other disturbances leading to unnecessary losses and decreased efficiency.
5. Quality of the Product
Last but not least, the quality of the transformer plays a vital role. Power transformers are expected to run incessantly 24*7 at their maximum load capacity and the components of the transformer are subject to heavy mechanical and electrical loads.
Thus, before making a transaction to buy a power transformer, you must communicate your needs clearly to the manufacturer and ensure that the transformer can endure heavy-load conditions without breaking down. Also, check if best designing solutions such as making use of continuous windings with minimal joints, better insulation, and other standard quality assurance practices were followed while manufacturing the transformer.
Keeping these points and your requirements in mind, you should pose the right questions to the power transformer manufacturer and see if the product really matches your needs before making the purchase. Other key specifications to look out for are Input and load voltage, phase requirements, size/capacity, frequency of operations, impedance, protection, mount/spacing, and location requirements.
Conclusion
By choosing the right power transformer, you can increase the efficiency and the life of your application. Having a better understanding of your requirements with a little bit of accurate research to realize the complete monetary value of the product can help you make worthy purchase decisions.
Besides this, purchasing from a credible and reputed power transformer manufacturer like EVR Power guarantees a quality product that will last longer and will be reliable. You can also seek advice from the supplier to pick the right one to suit your application. A good manufacturer will also help you with installation and regular maintenance.
EVR Power is the leading power transformer manufacturers in Tamil Nadu. They build transformers using high-end technology, top-quality components, and trailblazing latest processes. Their sophisticated design of the products ensures sustainability and longevity without any service. The company also manufactures distribution transformers, Isolation transformers, Convertor/Invertor Transformers, Automatic voltage regulators, industrial refrigerators, etc.
Do you have any other points to add to help the readers understand better? Feel free to comment with your thoughts! Have a great day!
Transformers are essential in many electrical systems, converting voltage levels to ensure electricity can be safely and efficiently used.
While new transformers can be expensive, purchasing a used transformer can be cost-effective for many businesses. Its very possible to get a used transformer that works well for your needs at a significantly lower price point than a new transformer.
However, there are several important factors to consider when purchasing a used electric transformer, including the sellers reputation, the warranty and return policy, and environmental concerns.
In this blog, we will explore these considerations in-depth to help you make an informed decision when purchasing a used transformer. This guide will give you the necessary information to make a smart purchase.
If youre considering investing in a used transformer, its important to weigh the costs of buying new vs. used. While used transformers generally come at a lower price point, the cost can vary depending on various factors. The age, condition, and repair history of a transformer can all influence its cost on the market.
Properly-maintained transformers in good working condition will typically cost more than those with significant wear and tear. However, the ones with wear and tear could require substantial repairs that dramatically increase how much you spend overall.
The availability of used electric transformers in the market can also impact their cost, as it works with supply and demand.
Its important to consider these factors carefully and weigh the costs before investing in a used transformer.
When considering purchasing a used transformer, the condition of the equipment should be a critical factor in your decision-making process.
Transformers that have been well-maintained and in good condition are typically more reliable and have a longer lifespan than those that have been poorly maintained or have undergone significant wear and tear.
A used transformer in good condition will also be less likely to break down or require costly repairs in the future, which can save you money in the long run.
On the other hand, as mentioned above, a transformer in poor condition may have hidden defects or require immediate repairs, which can add unexpected expenses to your budget.
Its important to carefully evaluate the condition of any used transformer you are considering to ensure it is a sound investment for your business or project.
In addition to considering the condition of a used transformer, evaluating its compatibility with your current project is essential. Electric transformers come in various sizes and voltage ratings, so its crucial to ensure that the transformer you are considering matches your specific application.
Factors to consider include the voltage and frequency requirements of your project, as well as the load capacity of the transformer. Using a transformer incompatible with your project can result in decreased efficiency, increased energy costs, and potential damage to your equipment.
Its essential to carefully review the specifications of any used transformer you are considering to confirm that it suits your needs.
When purchasing a used transformer, the sellers reputation is essential. A reputable seller will have a track record of providing quality equipment and fair pricing and will be transparent about the condition and history of the transformer.
On the other hand, a seller with a poor reputation may be more likely to sell equipment in poor condition or to misrepresent the equipments history or specifications.
By purchasing from a reputable seller, you can have greater confidence in the quality and reliability of the transformer you are considering and can minimize the risk of unexpected issues or expenses down the line.
A reputable seller typically offers better customer service and support, which can be invaluable if you encounter any issues or have questions about the equipment.
Environmental concerns are an important consideration when dealing with used transformers. Transformers contain materials that can harm the environment if not disposed of properly, including oil, PCBs, and metals like copper and steel.
When purchasing a used transformer, its important to ensure that the seller has taken steps to properly dispose of any hazardous materials and that they comply with relevant environmental regulations.
Its also important to consider the energy efficiency of the transformer, as older transformers may be less efficient and consume more energy than newer models. Choosing a more energy-efficient transformer can reduce your carbon footprint and save on energy costs over time.
Overall, its essential to consider the environmental impact of purchasing a used transformer and to work with a seller who prioritizes environmentally responsible practices.
Purchasing a used transformer can be a cost-effective solution for many electrical systems. UTB Transformers is a reputable seller with years of experience in the industry, making us a trustworthy source for used transformers.
UTB Transformers offers new and used substation, pad-mounted, and pole-mounted transformers. We also have nationwide stock and rental units available for short-term projects. Plus, we service and repair the units you buy.
Call us at 855.214., or visit our website for more information or to purchase your used transformer.
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