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Main Use of Transformers in Power Supply - Trystar

Sep. 08, 2025

Main Use of Transformers in Power Supply - Trystar

Last Updated on April 12,

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Where you use alternating current (AC) electrical energy, you may notice the use of transformers. In direct current (DC) systems, industrial power supplies are used to transform AC voltage into low DC voltage.  Transformers, on the other hand, convert AC voltage to AC voltage or current without impacting power.

Transformers are made from an iron core. On the high voltage side of the core, the coil is wrapped many times, and on the lower voltage side of the transformer, the coil is wrapped fewer times. As electricity enters the coil on one side, it induces a magnetic field that produces a higher or lower voltage in the other coil.

WHAT IS THE FUNCTION OF A TRANSFORMER?

Transformers can decrease or increase the voltage, sometimes known as stepping down or stepping up the voltage. Using a transformer can help make the right power accessible to us when we need it.

The purpose of using a transformer in power supply is to make electrical power accessible as it travels from a power utility to an office, home, worksite or other location. Energy is lost when it travels along transmission wires from a power plant to a customer. Utilities use a very high voltage to lose less energy.

Different types of transformers are used along the journey. When electricity travels from a power plant, transformers step up the voltage to allow the electricity to travel efficiently. As it leaves the power plant, electricity may be stepped up to thousands of volts to make its journey. Electricity eventually reaches transmission stations, where transformers and control equipment lower the voltage to safer levels. As the electricity travels along transmission lines, it is further reduced by the transformers on power poles.

Another type of transformer steps down the electricity to 120 V when it enters your home or office. At 120 V, the electricity can be used to power some devices and electrical outlets. You may also use an adapter to convert to DC for some devices, like computers.

WHY DO WE NEED TRANSFORMERS?

Using a transformer allows electricity to be usable and to travel over long distances. This means fewer power plants can economically deliver electricity to a wide range of customers safely without losing much energy. Transformers also ensure the power entering your home is safe for your light bulbs and outlets.

Haoshuo are exported all over the world and different industries with quality first. Our belief is to provide our customers with more and better high value-added products. Let's create a better future together.

HOW TRYSTAR CAN HELP

If you need energy and power supply at your worksite, Trystar can help with generator docking stations, portable power and other solutions. Whether your organization needs a reliable backup power source to keep mission-critical operations going or you need temporary power for remote sites, we have you covered.

Top 5 Reasons Straton Electricals is the Best Choice as an ...

Straton Electricals is a name synonymous with excellence in the electrical industry, renowned for delivering durable, well-designed, and cost-effective Instrument transformers and related products with unmatched efficiency. As a reliable Instrument transformer manufacturer to our customers, we are committed to providing the best-in-class solutions that meet and exceed industry standards.In this blog post, we delve into the distinctive aspects of our build process that set us apart from competitors, making us the preferred choice for customers seeking high-quality Instrument transformer solutions.

5 Reasons Which Set Us Apart from Others:

1. Compliance with Partial Discharge Limits: One of the key factors that differentiate us as a best Instrument transformer manufacturer, is our strict adherence to IS / IEC standards, ensuring that our products meet stringent partial discharge (PD) requirements. With PD testing serving as a reliable method for detecting insulation defects, our transformers offer enhanced reliability and longevity, minimizing the risk of unexpected outages.

2. Uncompromising Product Quality: Our commitment to excellence is evident in our uncompromising product quality standards. Our CTs & PTs undergo comprehensive type testing, including assessments for short circuit performance, thermal stability, multiple chopped wave impulse, wet lightning impulse, partial discharge, and more, all conducted in accordance with IEC standards. Recently we have been approved by CORE(Central Organization for Railway Electrification), Ministry of Railways, which allows us to supply Instrument transformers for railways for use in their projects. To ensure our products meet the highest standards, they undergo a 5 Stage Quality Inspection for Winding, Insulation, Assembly, Leak test and Vacuum Treatment processes.

3. State-of-the-Art Test Lab & Manufacturing Facility: As a leading manufacturer of Instrument transformers, Our state-of-the-art 700kV extra high voltage PD free test lab is equipped with advanced equipment to validate the performance and reliability of our transformers. Clean room facility to facilitate dust & moisture free work environment for production of EHV & HV instrument transformers and Advanced APG Casting Machines to ensure void free casting are some of the highlights of our commitment to deliver a high-quality product to our customers.

4. Extensive Product Range and Customization Options: Straton Electricals offers a diverse range of Instrument transformer products, catering to various industries and voltage requirements. Our ability to customize solutions to specific customer needs ensures that our transformers are tailored to exact specifications, providing unmatched versatility and performance across a wide range of applications which makes us the one of the best transformer manufacturer in india.

5. Pre and Post Sales Support:
At Straton Electricals, our commitment to customer satisfaction extends throughout the entire lifecycle of our products. From the initial inquiry to post-installation support, we prioritize delivering a seamless experience for our clients. Our comprehensive approach includes utilizing the finest raw materials, minimizing resource wastage, and employing efficient manufacturing processes to ensure high-quality products with short lead times for delivery. Additionally, we offer a comprehensive warranty of up to 5 years on our products, along with installation assistance, maintenance services, and prompt technical support.

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