Complete Guide to Phase Shifting Transformers – Types & Advantages

Nov 17, 2025 | Phase Shifting Transformers | 0 comments

Transformers are the backbone of any power system, helping move electricity safely and efficiently from where it’s generated to where it’s used. Among them, Phase Shifting Transformers (PSTs) play a special role, they manage how power flows between lines, balance loads, and keep the grid stable.

With more than 25 years of experience, EVR Power has become a trusted name in transformer technology. Based in Chennai, the company builds reliable, high-quality equipment for industries across India and beyond. Along with Phase Shifting Transformers, EVR also designs Power Transformers and Distribution Transformers that meet the growing energy needs of modern industries.

What Is a Phase Shifting Transformer?

A Phase Shifting Transformer (PST) helps control how electricity flows between parallel transmission lines, keeping power systems balanced and efficient. Instead of only changing voltage like a regular transformer, it adjusts the phase angle to guide power where it’s needed most, reducing losses and improving grid stability.

Key Functions of a Phase Shifting Transformer:

  • Controls power flow between interconnected grids
  • Balances load and prevents line overloads
  • Reduces transmission losses and unwanted loop flows
  • Improves grid reliability and stability
  • Supports integration of renewable energy sources

Each PST from EVR Power is engineered with accuracy and built for consistent performance. These transformers often work alongside EVR’s Power Transformers, ensuring dependable high-voltage transmission for industrial and commercial applications.

Types of Phase Shifting Transformers

Phase Shifting Transformers come in different types, each designed to manage power flow in specific ways. The choice depends on the size of the system and how precisely the power needs to be controlled.

1. Symmetrical Phase Shifting Transformers

Both the primary and secondary windings are phase-shifted, allowing accurate control of power flow across transmission lines. They’re ideal for large power networks where voltage stability and balance are essential.

2. Asymmetrical Phase Shifting Transformers

In this type, only the secondary winding is phase-shifted. These transformers are simpler in design and well-suited for smaller or specialized industrial systems that require controlled power transfer without the complexity of a full symmetrical setup.

3. Advanced Industrial Applications

Phase Shifting Transformers play a key role in modern industries. They often work alongside EVR’s Converter/Inverter Transformers, which handle variable frequency drives and renewable power systems. Together, they help industries run equipment efficiently while maintaining smooth and stable energy flow.

Advantages of Using Phase Shifting Transformers

Using a Phase Shifting Transformer offers several benefits that improve both performance and safety in power systems. These transformers help utilities and industries maintain stability, reduce losses, and ensure efficient energy use.

Key Advantages:

  • Reduced Transmission Losses: Controls how power moves between lines, minimizing unwanted flow and wasted energy.
  • Balanced Load Across Networks: Distributes load evenly to prevent overloading and equipment strain.
  • Controlled Power Flow: Helps manage direction and amount of power between interconnected grids.
  • Protection from Circulating Currents: Prevents harmful current loops that can damage transformers or cables.
  • Improved Reliability and Safety: Keeps grids stable even under changing demand or fluctuating supply.

For facilities sensitive to power quality issues, EVR’s Harmonic Mitigating Transformers help reduce electrical noise and improve system efficiency, ensuring smoother performance in industrial environments.

Why Choose EVR Power for Transformer Solutions

EVR Power stands out for its experience, innovation, and consistent focus on quality. With a strong technical foundation and decades of expertise, the company continues to be a trusted name in transformer manufacturing.

What Makes EVR Power a Reliable Choice:

  • 25+ Years of Experience: Decades of proven expertise in transformer design and manufacturing.
  • In-House R&D Team: Designs and develops transformers tailored to unique project needs.
  • Customized Solutions: From Phase Shifting to Power and Distribution Transformers, every product is built to match specific industrial requirements.
  • Trusted Across Markets: Serving clients across India and select global regions with consistent reliability and support.

Whether you’re looking for a Phase Shifting Transformer or other advanced power equipment, EVR Power delivers dependable solutions backed by years of technical excellence.

Shaping the Future of Reliable Energy Systems with EVR

Phase Shifting Transformers play a key role in keeping power systems stable and efficient. They regulate power flow, reduce losses, and help grids handle changing loads with ease.

With over 25 years of experience, EVR Power continues to design transformers that bring reliability and precision to every project. From Phase Shifting to Power and Distribution Transformers, each solution reflects the company’s focus on quality and performance.

Explore EVR Power’s complete range to find solutions tailored to your industrial and power needs.

FAQs 

1. What does a Phase Shifting Transformer do?
It controls power flow between transmission lines, balances load, and improves grid stability.

2. Where are Phase Shifting Transformers used?
They’re used in utility grids, renewable projects, and industries needing precise power control.

3. How is it different from a regular transformer?
A regular transformer changes voltage; a PST adjusts the phase angle to manage power flow.

4. Why choose EVR Power?
With 25+ years of experience, EVR Power builds reliable, certified transformers for every industrial need.

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