What Is a 12.47 kV to 480V Transformer and Where Is It Used

Key Takeaways

• A 12.47 kV to 480V transformer changes high voltage electricity to lower voltage. This makes it safer for homes, schools, and factories.

• This transformer is important for giving steady and safe power. It helps protect equipment from getting hurt by high voltage.

• It works with coils and magnetic fields. It turns 12,470 volts into 480 volts. This lets many devices use electricity safely.

• When picking a transformer, think about its size. Also look at how well it works and what features it has. This helps you get the right power for your needs.

• Installing and grounding the transformer the right way is very important. This keeps people safe from electrical dangers. It also helps the transformer last a long time.

12.47 kV to 480V Transformer Overview

Definition

A 12.47 kV to 480V transformer helps lower high voltage electricity. It changes 12,470 volts down to 480 volts. You can find this medium voltage transformer in many power systems. It follows rules like IEEE C57.12.00 and IEC 60076. These rules help keep your electrical system safe and working well.

Here is a table that lists some important facts about the 12.47 kV to 480V transformer:

The 12.47 kV to 480V transformer is part of the medium voltage group. It is used when you need to lower voltage for homes, schools, and factories.

If you want to know about the size and power, check the table below. It shows how much power each transformer can handle. It also shows how much energy it loses, and how big and heavy it is.

You can see how the losses and weight go up with more power in the chart below:

Main Function

A 12.47 kV to 480V transformer makes electricity safe for your building or machines. Its main job is to lower the voltage from 12.47 kV to 480 V. This lets you use machines, lights, and computers safely.

Here are the main jobs of the 12.47 kV to 480V transformer in your power system:

• It gives you lower voltage, which is safer for you and your things.

• It helps send power to homes, schools, and factories.

• It changes the voltage to the level you need.

You can find medium voltage transformers like this in many places. They give lower voltage for office equipment and the right voltage for big machines. You see them in utility networks, big buildings, and factories.

Modern 12.47 kV to 480V transformers have new features. Some have smart systems to watch how they work and find problems early. Others use green designs with fluids that are better for the earth. Many new transformers are smaller and save more energy.

Tip: When you pick a 12.47 kV to 480V transformer, think about the size, how well it works, and any extra features. You should also look at the price, which can be from $22,500 to $500,000 depending on what you choose.

How the Transformer Works

Voltage Conversion

A transformer changes high voltage electricity to a lower voltage. The 12.47 kV to 480V transformer takes in 12,470 volts. It lowers this to 480 volts. This makes power safe for lights and machines. The transformer uses wire coils and a magnetic field. Electricity goes into the primary coil at 12.47 kV. The core makes a magnetic field. This field moves energy to the secondary coil. The secondary coil gives out 480 volts. Now, your building gets the right voltage.

The transformer works best when the voltage matches your needs. Too much voltage can break your devices. Too little voltage makes machines work poorly. The transformer helps you avoid these problems. You get safe and steady power every day.

Tip: Always check the voltage rating before using a transformer. This keeps your system safe and helps your equipment last longer.

Three-Phase Operation

Most 12.47 kV to 480V transformers use three-phase systems. Three-phase power is for big buildings and factories. It gives smoother and more reliable electricity. You lose less power and machines work better.

The transformer runs at 60 Hz in North America. This means electricity changes direction 60 times each second. Most equipment in the United States needs this frequency.

Here is a table with the main features of a three-phase 12.47 kV to 480V transformer:

This transformer uses copper windings and cools itself. It is very efficient and not very loud. The temperature stays low, so it lasts longer. You can put this transformer inside or outside.

If you use a transformer in a three-phase system, motors and heavy equipment work better. You save energy and lower costs. The transformer helps your building run safely and well.

Applications of 12.47 kV to 480V Transformer

Industrial Use

The 12.47 kV to 480V transformer is used in many factories. It helps run big machines and equipment safely. Factories, plants, and warehouses need steady power. The transformer lowers the voltage so motors and controls work safely.

Some places where this transformer is used in industry are:

• Data centers need steady power for servers and cooling.

• Renewable energy sites use it to connect solar or wind power.

• Utility substations use it to give safe voltage to homes and stores.

• Industrial buildings use it for machines, belts, and lights.

You can find the transformer outside or in special rooms. Pad-mounted transformers sit on concrete pads outside. This keeps them safe from weather and easy to fix.

Tip: Pick a transformer that fits your factory’s needs. Check the load size and make sure it matches your equipment.

Commercial and Residential Use

The 12.47 kV to 480V transformer is also used in offices and homes. Office buildings use it for computers, printers, and lights. Schools and hospitals use it to keep equipment safe.

In commercial places, you see pad-mounted transformers outside. For example, a farm uses a pad-mounted transformer with a 12.47 kV delta to 480/277V wye setup. This gives safe power for pumps, lights, and tools.

Here is a table with common uses in commercial and home areas:

The transformer changes medium voltage to lower voltage for office gear. This helps your devices work well and keeps people safe.

• You get steady power for computers and printers.

• You protect your building from high voltage dangers.

• You save energy and money with an efficient transformer.

Note: Always check the transformer’s rating before you put it in your building. This stops overloads and keeps your system safe.

Key Features and Considerations

Safety and Efficiency

When you pick a transformer, safety comes first. Transformers use high voltage, so you must keep people safe. Good grounding helps stop electric shocks. Always check the area for any dangers before you install it. If you put a transformer outside, plan the grounding well. This keeps everyone safe from dangerous voltage.

You also want a transformer that saves energy. Many new transformers work at over 98% efficiency. High efficiency means you waste less power and save money. Some transformers have smart systems to find problems early. Look for features that help the transformer stay cool and quiet. If you take care of your transformer, it will last longer and keep your system safe.

Tip: Always use the right fuses and switches with your transformer. This keeps your wires safe and helps stop fires or damage.

Here are some important things to remember for safety and efficiency:

• Ground the transformer the right way, especially outside.

• Use cables that can handle short-circuit currents.

• Choose a transformer with high efficiency to save energy.

• Check past failure data to keep your site safe.

Installation Types

You can set up a transformer in different ways. The main types are pad-mounted, indoor, and outdoor. Each type has its own good points.

When you put in a transformer, you must pick the right wire size. Make sure the wires can handle the power now and later. The rules say wires must be at least 125% of the rated current. Pick cables that can handle short circuits too.

Note: Always plan for future growth when you pick a transformer. If your building needs more power later, you will not have to replace the transformer.

Think about the weather and animals if you put a transformer outside. Good care stops problems before they start. This keeps your transformer safe and working for a long time.

You need a 12.47 kV to 480V transformer to make electricity safe for homes, schools, and factories. This transformer takes high voltage from power lines and lowers it so you can use it every day.

• A transformer on a power pole brings the voltage down from the station to what you need.

• The transformer turns dangerous voltage into safer levels like 480V.

• You can find this transformer in many places, like stores and factories.

• The transformer keeps your equipment safe and helps your building work well.

• Every transformer in your system is important for safe power.

• You count on the transformer for steady and strong energy.

• The transformer helps many machines and lights in your building.

• You can trust the transformer to keep your power system working safely.

• The transformer is needed for both safety and saving energy.

• You see the transformer as a big part of how we get power today.

Remember, a 12.47 kV to 480V transformer is needed for safe and good electricity in your daily life.

FAQ

What does a 12.47 kV to 480V transformer do?

You use a transformer to lower high voltage electricity. This transformer changes 12,470 volts to 480 volts. You get safe power for your building, machines, and devices.

Where can you install a transformer like this?

You can install this transformer outside on a concrete pad or inside a special room. Many people use pad-mounted transformers for outdoor setups. You see these transformers in factories, schools, and offices.

Why do you need a transformer for your facility?

You need a transformer to protect your equipment and people. High voltage can damage machines. This transformer gives you the right voltage for safe operation. You avoid electrical hazards and keep your system running smoothly.

How do you choose the right transformer size?

You check your building’s power needs. You look at the total load and future growth. You pick a transformer that matches your equipment. Always choose a transformer with enough capacity for your site.

What safety steps should you follow with a transformer?

You ground the transformer properly. You use the right cables and fuses. You keep the area clear and check for hazards. You follow safety rules to prevent shocks and fires. Regular checks help your transformer last longer.

Tip: Always read the transformer’s manual before installation. This helps you avoid mistakes and keeps your system safe.