4000 kVA Transformer For Bitcoin Mining Farm

For crypto farms, it is expected that they will consume a lot of electricity. Therefore, a high-power-rated transformer like 4000 kVA transformers is required, which is why this article will provide you the 2500 kVA transformer specifications and 4000 kVA transformer specifications, as well as the average 4000 kVA transformer price nowadays.

With the help of DAELIM, one of the top electrical company manufacturers in China that has been specializing in 4000 kVA transformers for decades, you will be able to fully understand more about cryptocurrency mining and about which transformer you should use.

But before tackling about making a purchase decision, it is important to learn about the basics or fundamentals of 4000 kVA transformers first, for the reason to not get you confused as we go deeper into the article.

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A 4000 kVA Transformer is an electrical device used to change alternating current electric power from one level, usually low-voltage AC, to a higher voltage AC or DC output. It consists of two or more coils of wire wound on an iron core. The coils are connected in such a way that an alternating current at the input generates a rotating magnetic field which creates currents in the secondary winding. 

The secondaries are connected via another set of coils called slip rings or output brushes that can be attached directly to wires to produce direct current outputs for household, industrial and military purposes. The energy transformation from primary to secondary winding is accompanied by a large increase in the magnetic field density and a slight decrease in the magnetomotive force and winding current. 

The transformer is named after its two-way action: transforming electrical energy from one voltage level to another level, and transforming magnetic flux between two coils. Transformers are used to change alternating (AC) electric power voltages to desired levels for appliances and equipment or for the generation of various frequencies for application in electronic devices.

When both the primary and secondary coils are of circular shape and have cylindrical symmetry, their mutual inductance can be described in terms of a single parameter called self-inductance, which is an invariant scalar property of the transformer. The self-inductance is proportional to the area enclosed by both windings. Transformers are classified by how they transfer energy from the primary to the secondary side, which is either with or without electrical isolation between them. 

For instance, some appliances use watts or “W”, while other appliances use kilowatts or “kW”.

After reading this part of the article, I guarantee you that you will fully understand what kVA is all about.

Basically, all of these measuring units express power but are significantly different from one another.

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What is the Definition of the term “kVA”?

It is most likely that you have seen your appliances in your house that contains a label that has all the information of the appliance along with the power ratings with it (commonly found on the label sticker).

Then you probably have seen the measuring unit that it is using.

For instance, some appliances use watts or “W”, while other appliances use kilowatts or “kW”.

After reading this part of the article, I guarantee you that you will fully understand what kVA is all about.

Basically, all of these measuring units express power but are significantly different from one another.

What is the Difference between kVA from kW?

kVA straightforwardly means “kilovolt-amperes”, and another common name that it is associated with is “apparent power”, but in terms D.C circuits or D.C currents, the ratio of kilovolt-amperes is basically equivalent to kW because both voltages and currents do not have the ability to free itself from the phase.

Keep in mind that only a fraction of kilovolt-amperes is accessible or capable of doing work, and the rest is basically considered as an excess in the current.

As aforementioned, kilovolt-amperes are also referred to as “apparent power”. On the other hand, kilowatts are also known as real power or actual power.

This goes to say that the kilowatt is the amount of power that is capable of operating, while only a small part of kilovolt-amperes are ready to operate.

To not get you confused, just keep in mind that kW stands for “kilowatts” while kVA stands for “kilovolt-amperes”. Also, remember that kVA is basically equal to kW but only in D.C circuits because once again, the voltage and current that are associated with are out of phase.

But when it comes to A.C circuits, there is the possibility that the voltage and circuit can get out of phase, but this depends on other elements as well.

This means that the kilowatt and kilovolt amperes will have a difference in terms of the power factor and how much leading or lagging happens.

What is a 4000 kVA Transformer?

The 4000 kva Transformers convert some kinetic energy into heat while converting electrical energy between different voltage levels or impedances. This conversion process is known as “magnetic induction”, and it’s done with coils of wire that move through magnetic fields created by electromagnets in order to induce an electric current in another coil wrapped around them.

This is especially true when the coils of wire are being spun by an external power source. Obviously, something that converts kinetic energy into electrical energy isn’t normally considered a “magnet”, but it certainly is capable of transferring magnetic fields to another coil. These coils are usually wound in a spiral, but they can also be wound in a straight line. They are commonly used in the form of large inductors on transformers.

In most transformers, the magnetic fields created by the electromagnets are quite large and intense enough to damage human tissue if they’re directly touched. These coils must be shielded with strong materials — like bricks — to protect anyone who might accidentally touch them.

A 4000 kVA transformer has the capacity to supply 1200 amps and 4000 volts of electricity with 120-240 volt AC or DC current as well as voltage regulation. There are two types of transformers: single-phase and three-phase. Single-phase transformers have only one winding. The windings of three-phase transformers have three winding on the same magnetic core.

These transformers are commonly used in high voltage substations and 400 kV distribution substations to supply large industrial power loads and even very large systems. The power rating of a 4000 kVA transformer is exclusively determined by its weight and the size of the transformer core. The physical dimensions are based on the power output. To calculate the weight of a 4000 kVA transformer, take the total area of all winding widths plus copper thickness x2 + copper area x3 (watts/meter^2), then multiply it by 200 times.

Advantages  of 4000 kVA Transformer

A 4000 kVA Transformer is used in a variety of different industries. One of the most popular places to use this type of transformer is in construction projects where buildings or structures need to be erected.  The 4000 kVA transformer has a high-grade copper, aluminum, and steel alloy material that allows it to withstand harsh conditions.

The 4000 kVA Transformer has a very high limit rating which means that it can handle immense amounts of power across its rating without breaking down. Another advantage is the longevity and eco-friendliness of this type of transformer because it is environmentally safe and does not require constant maintenance as other types do.

A transformer is usually needed to run electricity through wires from one point to another. This is done so that power can be transferred from one place to another in different areas or buildings. One of the most common places in which this type of transformer can be found is on construction sites and home and office electrical wiring projects.

The 4000 kVA Transformer has a superior rating and can handle huge amounts of electrical power without breaking down. This means that it does not have to be replaced often because it has the ability to withstand extreme conditions and still continue functioning properly.

The 4000 kVA Transformer can withstand temperatures in excess of 200 degrees F. This means that it will not break down simply because it has been exposed to extreme heat. If used outdoors, the 4000 kVA Transformer will not be affected by the weather. In most instances, this type of transformer can last for many years without unnecessary maintenance and repairs.

A 4000 kVA Transformer is also used in factories to transfer power from one machine to another. Because of its strong construction and ability to handle high amounts of electricity, a 4000 kVA Transformer is also used in long-distance electrical line projects where electricity must be transferred hundreds or thousands of miles away while being transmitted over great lengths of wire. The physical size of the 4000 kVA Transformer makes it easy to transport across different areas where it will be needed. These types are very strong and durable, so they are able to withstand a lot without being affected. 

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Why do you need a 4000 kVA Transformer?

Many people nowadays are looking for the right type of transformer in order to provide them with power. When you need a 4000 kVA transformer, it is important that you take into account some things first before buying it and installing it.

The main reason why you would need a 4000 kVA transformer, is that this is the number of volts needed to power a 40 KW generator. You will have to keep in mind that these transformers weigh close to 200 pounds and are not very portable but they do have an advantage over other types of transformers because they can handle long-term load variations better than other types of transformers.

Some people are going for a 4000 kVA transformer is that it would be able to power their homes and institutions. Other than that, it can also be used for factories and for other commercial purposes. 

The most common reason why people are looking for transformers is the amount of energy that they can produce. They want to make sure that they can have enough energy to power all the appliances in their home or factory. Some of them may even need a lot of power in order to run their machines in the factory. The 4000 kVA transformer is a good option as it can produce large amounts of electricity and deliver up to four thousand kilovolt amps at once.

What are the sizes of 4000 kva transformers?

4000 kVA is the maximum supporting current that we can find in a 400 KV transformer. The voltage is about 1500V for the same power consumption. It takes up enough space to support the peak power rating which is greatly dependent on the application.

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4000 kVA Transformer Benefits

High efficiency, up to 95% of its nameplate rating. Has no saturation point and is non-linear, so it can cover high frequency or very high peak currents without any trouble. It is reliable and has a longer life than other transformers. If the transformer is damaged, it will not damage the load. It has higher insulation between the primary and secondary coils than other transformers.

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4000 kVA Transformer Applications

The primary use of this transformer is to provide a medium voltage power supply. One example is powering a subway, railway, or tramway by using them as voltage converter transformers (VCTs). It also powers a large amount of street lighting along the entire route.

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Why Choose Daelim 4000 kVA Transformer?

The number of Daelim 4000 kVA Transformer options is extensive. You’ll want to choose a transformer that suits not just your needs, but also your budget. Some 4000 kVA Transformer options are more practical than others, and some are suited for specific tasks. But ultimately, this decision comes down to what you need the power for and how high of an output capacity you need.

Powering giant equipment, like the walker of a building constructor or an electric motor, is not an easy task. High-capacity transformers are used in charging static batteries and powering equipment in areas where electricity is not as reliable as it could be. Although some have criticized the cost of making this choice, these high-capacity options can help keep you up and running when you need it most.

There are a few different reasons why you may need to buy a higher capacity transformer than your normal one. Although having power problems can seem annoying, this choice can provide peace of mind while you wait for help from the electrical repairman. If you need higher capacity due to low voltage, you’ll want to be sure that your transformer is going to last long enough to get the power back up.

Daelim 4000 kVA Transformers are one of the best options for high-capacity transformers. These powerful devices can be used in a variety of different situations and locations, making them a great pick for anyone who needs extra help in areas with unreliable power.

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4000 kVA Transformer Specification

The following table provides a summary of the transformers and their specifications:

Resistance: The resistance of a transformer for transmission purposes is usually about 0.5 ohms per mile. For distribution purposes, it is often 1-5 ohms per mile. 

Maximum Voltage Ratio: The ratio of primary to secondary voltage can be anywhere from 1∶1 to 1∶120 depending on the type of transformer and its application. 

Primary Voltage & Secondary Voltage: The voltage rating of the primary may range from 6 kV to 12 kV, while the secondary voltage varies between 400 and 600 volts. 

Manufacturer’s Loading Ratings: Normal ratings are approximately 10% overloading capacity with 110% representing a full load on a transformer at 100%.

Insulation: A transformer’s insulation is rated in kV. The voltage rating is determined by the nature of the insulation. The most commonly used insulations are oil and gas. If the insulation is oil, it must be specially designed for transformer use, and can have a voltage rating of between 15 kV to 16 kV, and if gas, then 28 kV. 

Oil or Gas Insulation: Both oils and gases are used as insulations for transformers. Thus, it is referred to as oil-filled or gas-filled transformers respectively. This classification depends on the type of insulation used inside the transformer tank during the manufacturing process.

AC and DC Transformers: AC and DC transformers have the same core arrangement but differ in the method of excited. AC transformers use an alternating current in conjunction with a magnetic field provided by windings to induce the primary currents. On the other hand, DC transformers use direct current to create their own magnetic field.

Y-connected or Delta-connected Transmission Transformers: The first type of transformer is called a Y-connected or delta connection. This is used when supplying electricity at high voltages as it employs lower current ratings that produce high voltage outputs.

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Types Of 4000 kVA Transformer

Single-Phase 4000 kVA transformer

One phase loads, the voltage remains constant. It is the most commonly used type of transformer in industry. This transformer has a low magnetic resistance and occupies a small space. Generally, it has two or three coils per phase.

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Three-Phase 4000 kVA transformer

Three phases have their own transformer. These are connected in series to obtain voltage. This is suitable for high current, high voltage, or low current applications like turbochargers or cooling systems, etc.

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Multi-Purpose 4000 kVA Transformer

The multi-purpose transformer can also be of three phases and single-phase which transfers very high current for motors and transformers as well as medium voltage power supply. It can also provide several other functions such as a Rectifier and a 120 Vac–240 Vac switch-mode converter (TMV).

What is Power Factor?

Now that you know the what is the meaning behind kVA, it is also important to learn about the power factor of a transformer because 4000 kVA transformers alone may sound a bit too much if you have little to no idea about the number “4000” in its name.

When it comes to power factor, it is considered as a number that is unitless, and for its operation it mainly uses A.C.

Moreover, the power factor can also be considered as equipment that is only a single piece or an electrical device such as induction motors or a device that is capable of powering up a single building.

Regardless, any equipment that is suitable for representing the ratio of both true power and apparent power is eligible.

When it comes to what equation you should for the power factor, the formula simply goes through the division of true power or kW divided by apparent power kVA.

To make things easier to understand, let us the beer electrical analogy.

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Beer Electrical Analogy

In a bar or hangout space, when you purchase beer, you basically pay for the drink or the beer in general while the presence of foam from the beer (the bubbles).

It is expected that when there is a lot of beer in the glass, the foam that it will produce will below, which is a good purchase or deal. However, if there is a lot of foam in your glass, this means that it is not worth paying for.

When it comes to an electrical perspective, the beer is basically the kW or real power in the analogy, which is the kilowatts. These are the useful elements that you need for your crypto project to work, while the foam represents reactive power or kVAr, which is considered useless.

And like the beer foam, it will also be useless, but you will have to pay for it which goes the same for reactive power or kVAr. Once again, the combination of these is kW or kilowatts, while the kVAr is the combination for kilovolts-amp reactive.

This concludes that the ratio, that is divided by the charge of the kVA, which is telling us how much is the value for money that you are getting from the power you are consuming from your crypto farm.

From an engineering aspect, using a power triangle, the alcohol (which is the true power/ kW, is considered as the adjacent line, then the foam will be considered as a reactive power on the opposite.

In terms of the longest side of the triangle or the “hypotenuse”, it will be the apparent power (kVA). At an angle that is from the true, this angle is basically named the “theta”. So, if the reactive power (or the foam of the beer) increases, it is expected that the kilovolt-amperes or apparent power will do the same.

You can use the method of trigonometry to accurately get the results of this triangle. For an accurate example, you can check your electrical bill and see for yourself how many amounts of kilowatts hours are being used in your house

From there on you will also see the rated electricity consumption that is being consumed. The electricity provider of your house will be responsible for calculating the kWh rate. The result of this will have to be accounted for from the electricity and industrial invoices.

Especially for those buildings or projects that are smart-powered or buildings utilizing interval electricity meters. If that is the case, you can expect to see your bill information through kW, kWh, kVA, and kVA.

For large buildings, it is fairly common to see reactive power charges being used. However, this will greatly depend on your electricity company or provider. Furthermore, there should be an agreement as well with your customer.

When it comes to electrical companies or providers charging penalties, this is because large consumers are expected to have terrible power factors, which means that increasing the current flow from the electricity network is necessary to prevent voltage drops from occurring.

Which reduces the supplier’s distribution capacity, and has a knock-on effect for some consumers. However, the cables have a rating that is compatible with the current that is passing through them. This means that there are a lot of consumers connecting to them with bad power factors, then there is a huge possibility that the cables will overload.

You will see the setup of the cables that will seem like a bunch of tangled wires because of the capacity agreements. This also means that other consumers will not be able to connect their buildings until the cables have been installed.

Aside from that, reactive power charges happen when there is a change in power to a certain level. This particular level will depend on the electricity provider for it to be defined. But the normal levels are expected to be somewhere around 0.95 and it can be lower, this is a suitable power factor.

But for this case, it would be very difficult to get such ratings.

Buildings that are for commercial use take advantage of the overall power factor and they would normally be in the following categories: good, bad, or poor.

The range for poor power factors usually ranges between 1,0 to 0.95 while the bad power factor is sitting anywhere below 0.85.

For buildings that are used for commercial purposes, they usually somewhere between 0.98 to 0.92 simply because they consume more power.

For buildings that are used for industrial purposes, they could settle for as low as 0.7.

Overall, large buildings normally use 4000 kVA transformers and 2500 kVA transformers because the 4000 kVA transformer specifications and 2500 kVA transformer specifications meet the requirements.

Moreover, the 4000 kVA transformer price is considerable since the building being used is large.

But for crypto mining projects, this could be overkill if you do not have that many mining rigs in your crypto farm.

Nevertheless, they are a good option.

Induction Motors Example

When it comes to comparing induction motors, let’s say 2 induction motors with the same real power of 10 kW that are both connected to a 3 phase supplier, with one that has a P.F of 0.87, while the other one has a P.F of 0.92.

It is no surprise that both motors will be capable of delivering 10 kW of work.

However, the first motor will have a lower P.F compared to another induction motor, which means that it is not getting all the benefits from your value of purchase.

On the other hand, the second induction motor is required to draw about ten or more kilovolt-amperes from the electricity for the purpose of giving off the same level of real power.

The first induction motor is basically giving off around 5 kVAr, while the second induction motor is only providing around 4 kVAr.

Keep in mind that the kilowatts are the beer, which is the one you want while the kids are in the foam of the beer, which is the useless part.

When it comes to your bill information, the rates that are in kVA are what you are going to be paying for.

If you are curious about how to calculate the total, the formula will go as follows: the kVA will be equal to the real power being divided by the power factor.

This means that the P.F will be affected by the I.F which is known as the inductive loads.

Both ends are expected to flow to the minimum part and are expected to go through the axis that is zero within the same time frame.

In terms of the power for this case, this is the best and most suitable level for drawing a phaser diagram that is expected to cause the voltage and currents to be alternated or in parallel.

This means that all of the energy being drawn from the electricity supply is going to operate since it will be able to generate heat, and if you inspect the inductive load such as I,M, you can expect to see the coil’s magnetic field to resist, and notice a shift in the phase, wherein the voltage and current will be disconnected from one another to allow the current to flow through axis.

This can also be known as a P.F that is lagging and as mentioned before, the foam of the kVAr will be considered not as useful as it was, but there will be a need for their presence to generate such magnetic fields that will allow the motor to move.

This working principle is applicable to 4000 kVA transformers and other transformers as well, which will in turm make the power that is reactively wasted, and when there is no use for it, you would still pay for the charge.

But keep in mind that the motor must be fully functioning for you to be charged.

So, if you sketch out a phase diagram for loads that are inductive, you can expect the current to be somewhere below the average voltage line.

This in particular shows that the electricity being used for consumption does not entirely drain out because if you inspect the capacitive load that is pure, the alternative will be noted as an inductive load, and both the voltage and current will no longer be within the phase but if it is being resistant, then the voltage will do the same as well.

The result of this is what will form the P.F, which also means that you won’t have to consume all of the electricity for it to operate or function.

But nevertheless, you will still have to pay for it.

In terms of sketching the phaser diagram for loads that are 100% pure, you will have to illustrate the current line to be at an angle that is above the voltage line so that it will be leading.

How to Reassess Factor?

Poor power factor does not mean the end of the world that is simply not the case because you actually have the ability to reassess or fix the P.F and as well as the reactive P.F.

So, if you have a device that has a poot power factor, you will need to put in an additional inductor its circuits for it to be able to align current to the original phase and as well as encourage the P.F to be closer to one.

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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.

Custom 4000 kvaTransformer

If you find that the existing distribution transformer types or power cannot meet your requirements. You can choose to tell Daelim. Daelim has a team that has always had a wealth of design transformers, and can give you a specific design plan in the shortest time.

Daelim’s distribution transformers comply with IEEE, ANSI, CSA, IEC certification, and are used in North America (such as Canada, the United States, Mexico), South America (such as Ecuador, Chile), Europe (such as Spain, Lithuania) and some Asian countries. Daelim even has a professional installation team that can provide you with installation services.