What You Need To Know About Power Transformer On Pole

A power transformer on pole is used for medium voltage applications, typically 35 to 69 kV. It is located on a pole and consists of windings mounted on two parallel supporting members called paddles.

This article discusses power transformers, their components, role and also answers common questions about them. If this interests you, read on.

DAELIM is among the world’s top proficient transformers and electrical hardware makers. For quite a long time, serving the electric business with economical quality gear. 

DAELIM have been observing global guidelines like ANSI, IEEE, IEC, CSA, and so on

Power Pole phone Transformer

Completely Self Protected Transformer

Overhead Conventional Transformer

What is a Power Transformer?

A power transformer changes the electricity voltage from higher to lower levels as needed by different systems.

This piece of equipment is so important in homes and businesses because it makes using electrical devices safer than if you didn’t have it.

The voltage that comes through the electrical system can be extremely dangerous.

Without this transformer, it would be extremely dangerous to use any electrical devices in your home or business.

What Are The Components of a Transformer?

Single-stage Transformers

Single-stage transformers are commonly used to provide electricity for personal lights, containers, cooling, and heating.

The essential winding and auxiliary twisting can be created in two equal portions, giving these a lot more flexibility.

Three-stage Transformers

Three-stage transformers have six windings: fundamental and discretionary.

The windings are related by the maker as either delta or wye.

As of late communicated, the fundamental windings and discretionary windings may each be related in a delta or wye course of action.

Delta and Wye

Delta and Wye are the two three-stage power association systems.

The Greek letters Delta and Wye refer to the arrangement of wires on transformers. In a delta association, the three conductors are connected from beginning to end in a triangle or delta configuration.

For wye, each conductor transmits from the center, implying that they are all connected at the same normal position.

Power Pole phone Transformers
Power Pole phone Transformers

What Is The Role Of Pole In Power Distribution?

One of the most important things to understand is the power transformer’s role in the overall power distribution process.

Generally, it helps to step down voltage levels to be safe and usable for homes and businesses.

Without this crucial piece of equipment, the voltage coming from the utility company would be too high for most applications.

A power pole is a wooden pole typically used to support overhead electrical wires.

It is used in electricity distribution and transmission to route electric current from transmission lines or between utility poles.

The cross-section of a power pole can vary greatly depending on its use and where it was manufactured.

Poles are made out of wood, concrete, or steel. Concrete poles are filled with sand and gravel for added strength.

Why Are There Power Transformers On Pole?

One reason why there is a power transformer on the pole is electrical safety.

The voltage levels distributed by utility companies can be too high for residential and commercial use.

So, a transformer needs to step down those levels as much as possible.

Another reason for these power transformers on a pole is the amount of space available in neighborhoods.

Utility companies need to find a way to distribute power safely and efficiently, and putting power transformers on a pole is one way to do that.

Different regions may also have different voltage requirements based on their history and needs, so a power transformer on pole helps step up or down voltage levels safely and effectively.

What Is The Basic Pole Mounted Transformer Diagram?

There are several key components in a power transformer on a pole.

The primary coil is the part of a transformer on a pole that steps down voltage into usable levels.

The secondary coil is where power is distributed to homes and businesses in your area.

There is also a transformer core, which helps to stabilize the voltage levels and protect against surges.

Finally, there is the housing or enclosure for all of these components.

What Are The Common Pole Mounted Transformer Sizes?

There are several common pole mounted transformer sizes. The size of a transformer depends on how much energy it has to handle and its voltage rating.

So, the more power needs to be handled or the higher the voltage rating, the larger it will be.

Smaller transformers can often handle between 100-300 volts, while larger ones can handle 600-3600 volts.

Power Transformers On Pole
Power Transformers On Pole

What Is The Role Of Power Transformers In Bitcoin Mining?

Bitcoin mining is a process that helps to secure the Bitcoin network and generate more Bitcoins.

To do this, miners need to solve complex mathematical problems.

One of the ways that miners can increase their chances of solving these problems is by increasing their mining power supply with powerful power transformers.

This will allow miners to draw more energy from the grid to increase their crypto farm power, which gives them a competitive edge in the mining process.

In addition, power transformers help enhance the Bitcoin mining power system and other hardware that miners use in their quest for more Bitcoins.

Also, power transformers step down the electrical power voltage; bitcoin miners can use less powerful rigs for their Bitcoin mining power system, which saves them money on electricity costs.

Power Transformer On Pole

What Is Inside A Pole Mounted Transformer?

A pole-mounted transformer generally contains two coils of copper wire, called the primary and secondary.

The primary coil is responsible for stepping up the voltage of electrical power.

In contrast, the secondary coil is responsible for stepping it down to a level that your home or business can use.

There are also typically three windings in each coil, which helps handle more power.

What Is The Output Of Pole Mounted Substation?

A pole-mounted substation is a structure that contains electrical equipment and is used to provide electricity for your home or business.

The output of a pole-mounted Substation is the same as in an underground or substation.

It can be single-phase, two-three phase, and three-phase with neutral terminals.

The primary voltage may vary from 66 kV to 500 kV. And the secondary voltage is around 11 kV to 33kV.

Its maximum output current can be up to 50-100 Amps depending on the capacity of the transformer.

What Is The Standard Connection Of Pole Mounted 3 Phase Distribution Transformer?

A pole-mounted distribution transformer is fitted with three main poles.

These are Neutral and safe earth (ground) connections, a Line terminal for connecting to the line voltage of the supply.

Distribution transformers are associated with delta-star.

This plan requires 3 conductors on the high voltage side and two on the low voltage side.

The start point of the secondary winding is connected to neutral and grounded metal parts such as a water pipe or conduit.

Also, there are two 120 degrees apart high voltage to low voltage phase conductors. The first is the ‘A’ wire, while the other is called ‘B.’


These transformers play an important role in the overall distribution process, and they can be found in neighborhoods all across the country.

In addition, power transformers are essential for Bitcoin mining operations, and they help to power computers and other hardware used in this process.

Finally, it’s important to understand the basics of a power transformer on pole, including the different components that make up this equipment.

If choosing a suitable transformer seems like a daunting task for you, contact DAELIM for assistance before you make your next purchase.

About Bin Dong

Hello, I am Bin, General manager of Daelim which is a leading transformer manufacturer. If you have problems when you are looking for the equipment, what you need to do is tell us.

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