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             A pole-mounted transformer is a type of distribution transformer that is mounted on a utility pole. It is used to step down the voltage of electrical power from high voltage transmission lines to a lower voltage suitable for distribution to homes, businesses, and other end-users. The pole-mounted transformer typically consists of a transformer unit, which includes the core and windings, mounted on top of a pole. Pole-mounted transformers are commonly used in rural areas or areas with distributed electrical infrastructure.These are several core types used in pole-mounted transformers, including:Shell-type core: This type of core consists of two cylindrical or toroidal-shaped cores that surround the windings. It provides efficient magnetic coupling and allows for easy cooling.Core-type core: This type of core has a rectangular or E-shaped core that encloses the windings. It is widely used in distribution transformers due to its compact size and high efficiency.Toroidal core: This type of core is donut-shaped and provides excellent magnetic coupling, low no-load losses, and compact design. It is commonly used in single-phase pole-mounted transformers.These are some of common core types used in pole-mounted transformers, but there maybe other variations depending on specific requirements and manufacturer preferences.Transmart designs and manufactures two popular types cores, one is Distributed gap wound core, the other is a Folded Octagonal Core or called Unicore. Both are for pole-mounted distribution transformers, ranging from 5KVA to 500KVA,  single phase and three phase available            Distributed gap wound core is a type of core used in pole-mounted transformers. It is a variation of the shell-type core, where the windings are distributed along the core with gaps between them. This design helps to reduce losses and improve the performance of the transformer. Distributed gap wound cores are often employed in high-power distribution transformers.The advantage of a distributed gap wound core is that it helps to reduce losses and improve the performance of the transformer. The gaps between the windings help to minimize eddy current losses and reduce the leakage flux, resulting in higher efficiency. This type of core also provides better cooling and allows for easier maintenance and repair of the windings. Additionally, distributed gap wound cores are often used in high-power distribution transformers, making them suitable for applications requiring higher power handling capabilities.The materials commonly used for distributed gap wound cores in pole-mounted transformers are typically laminated steel or amorphous alloy. Laminated steel is a traditional choice due to its low cost, excellent magnetic properties, and easy availability. Amorphous alloy, on the other hand, is a more advanced and efficient material that offers lower core losses and improved energy efficiency. Manufacturers may choose either of these materials based on their specific requirements and cost considerations.Manufacturing porcess of a distributed gap wound core involves several steps. Here is a general overview       Step.1DesignThe design of the core is based on the specific requirements of the transformer, such as voltage rating, power capacity, and magnetic properties.       Step.2Material selectionThe appropriate material, is selected based on factors like cost, efficiency, and availability. Transmart HiB Silicon Steels list for low losses transformers.Material (Grade)Thickness (mm)Maximum core losses @1.7T/50Hz (W/Kg)B18R0750.180.75B23P0850.230.85B23P08900.230.90B27P1000.271.00B30P1050.301.05       Step.3Core windingOur automatic winding machine produce wound cores using a continuous cutting and feeding process. As a result, A wound core with distributed gaps are produced.  Minimum strip width of the core is 40mm, maximum outside diameter of the toroidal core is 1400mm.       Step.4Core formingAfter the cores are wound, they are placed in a special designed pressing system, forming the cores from toroidal shape to rectangular shape as per initial designs.       Step.5Core annealingWound cores will be annealed during the manufacturing process to improve their magnetic properties and reduce any residual stresses. Annealing is a heat treatment process that involves heating the wound core to a specific temperature and then slowly cooling it down. This process helps to align the magnetic domains within the core material, resulting in improved magnetic performance and reduced losses.Transmart uses electrical steels with high magnetic permeability and C5 insulation coating to resist 820ºC of annealing temperature.       Step.6Core testingThe completed core undergoes various tests, including no-load losses, no-load current, exciting power, magnetic permeability, and dimensional accuracy, to ensure it meets the required specifications. Transmart Industrial offers another solution for distributed gap core. It is a Folded Octagonal Core or called Unicore. The core is folded by special design machines of great precision to achieve the best no-load losses. Feutures of Transmartcores:11Low losses-near raw material magnetic properties are retained11Easy manufacturing-No tooling needed11Flexible gap positions-Easy assembly11Cores can be designed with or without annealing11Cores can be operated at higher temperature because the cores are not resin bondedThe key points for distributed gap wound cores are as follows:01Distributed gapIn distributed gap wound core transformes, the core is divided into multiple sections with small air gaps distributed across the core structure. These gaps help to control the magnetic flux distribution and reduce the core losses.02Core constructionThe core in distributed gap wound core transformers is usually made of laminated sheets of magnetic material, such as silicon steel. The distributed gap design allows for efficient cooling of the core and minimizes eddy current losses.03High efficiencyThe distributed gap wound core design offers high efficiency due to reduced magnetic flux leakage, improved magnetic coupling between the windings, and controlled flux distribution. This makes them suitable for appliciations that require high energy efficiency.04Size and weightDistributed gap wound core tranformers are generally smaller and lighter compared to other types of transformers with similar power ratings. The compact design makes them suitable for space-constrained applications.05Low noise levelsThe distributed gap design helps to minimize vibrations and noise generated during transformer operation, resulting in quieter performance.06Suitable for high-frequency applicationsDistributed gap wound core transformers are often used in high-frequency applications, such as power electronics, renewable energy systems, and telecommunications. The distributed gap design helps to reduce core losses at high frequencies.Overall, distributed gap wound core transformers offer improved efficiency, reduced losses, compact size, low noise levels, and suitability for high-frequency applications. However, their selection depends on the specific requirements and priorities of the application.Market trends for pole-mounted distribution transformers:1. Increasing demand for renewable energy: With the global shift towards clean and sustainable energy sources, there is a growing demand for transformers to support renewable energy generation, such as solar and wind power.2. Smart grid integration: The integration of smart grid technologies in power transmission and distribution systems is driving the demand for transformers that are capable of handling the increased data communication and automation requirements.3. Energy efficiency and sustainability: There is a growing focus on energy efficiency and reducing environmental impact. As a result, there is an increasing demand for transformers that are designed to be more energy efficient and comply with sustainability standards.4. Digitalization and IoT integration: The adoption of digital technologies and the Internet of Things (IoT) in the transformer industry is driving the development of smart transformers that can monitor performance, provide real-time data, and enable remote diagnostics and maintenance.5. Integration of renewable energy storage: As energy storage technologies continue to evolve, there is a growing need for transformers that can efficiently integrate renewable energy storage systems, such as batteries, into the power grid.Transmart Industrial will always stay updated on market trends to align our Wound cores and Unicores with the latest industry developments. Please contact us to get your high efficiency transformer cores.

HAPPY BIRTHDAYIt's birthday!Happy Birthday, TRANSMART!07th March

           Thin Gauge Silicon Steel StripsThin gauge silicon steel, also known as electrical steel or silicon electrical steel, is a specialized type of steel that is widely used in the electrical industry. These strips are made by cold-rolling silicon steel sheets to achieve a specific thickness, typically ranging from 0.1mm to 0.35mm. It is primarily used to manufacture transformer cores and other electrical equipment due to its unique magnetic properties.Thin gauge silicon steel is a ferromagnetic material that contains a high percentage of silicon. The addition of silicon to the steel enhances its electrical and magnetic properties. The silicon content in thin gauge silicon steel can range from 2% to 4.5%.Producing a good core with thin gauge silicon steel involves several steps. First, the steel is processed through a series of annealing and cold rolling processes to refine its grain structure, resulting in improved magnetic properties.These sheets are then cut into the desired shape and stacked to form the core. The stacking arrangement, known as lamination, is essential to minimize eddy current losses. The laminated core is then insulated to further reduce losses and improve performance. Proper insulation techniques and materials are critical to ensure the core's integrity and prevent energy losses.The final step involves cutting and shaping the steel into the desired core shape, which can vary depending on the application requirements.            FeaturesThe applications of thin gauge silicon steel are vast and varied. It is primarily used in the manufacturing of transformers, where it is used to construct the core. The core is responsible for transferring electrical energy from one coil to another by inducing a magnetic field. Other applications include inductors, motors, generators, and magnetic shielding. The unique magnetic properties of thin gauge silicon steel make it indispensable in these applications, as it ensures efficient energy transfer and minimizes energy losses.Determining the quality of thin gauge silicon steel is crucial to ensure optimal performance in electrical applications. Several factors need to be considered, such as the thickness and uniformity of the steel sheets, the silicon content, and the magnetic properties. The thickness and uniformity of the sheets affect the core's mechanical strength and the overall performance of the electrical device. The silicon content determines the magnetic properties, with higher silicon content generally leading to better performance. Magnetic properties, such as magnetic permeability, which measures the material's ability to conduct magnetic flux, and core losses, which represent the energy dissipated as heat when an alternating magnetic field is applied. High magnetic permeability and low core losses are desirable characteristics for efficient energy transfer and reduced energy wastage.FutureIn terms of future trends, the demand for thin silicon steel is expected to continue growing, driven by the increasing need for energy-efficient electrical devices. As energy conservation becomes a global priority, the demand for high-performance magnetic materials will rise. Advancements in manufacturing techniques and material compositions are likely to further enhance its magnetic properties and reduce energy losses. Additionally, research and development efforts are focused on exploring alternative materials with even better performance characteristics, such as amorphous alloys and nanocrystalline materials. These advancements will contribute to more efficient electrical devices and a greener, more sustainable energy sector.In conclusion, thin silicon steel is a crucial material in the field of electrical engineering due to its excellent magnetic properties. Its ability to efficiently conduct magnetic flux while minimizing core losses makes it an ideal choice for various electrical applications. By carefully controlling its composition and production process, a good core can be produced, ensuring optimal performance in electromagnetic devices.With the increasing focus on energy efficiency, the demand for thin silicon steel is expected to grow, and further advancements in its magnetic properties and the exploration of alternative materials are likely to be seen in the future.        

Amorphous Coresare used in almost every piece of electronic equipment we know about. These are found in transformers, Charging devices, and even components of computers. They are often used as chokes, a central core with multiple insulated wires wound around it to make an efficient magnetic core.Though we have different types of cores, including amorphous, ferrite, silicon steel, non-crystalline, and more, we will mainly focus on the Amorphous Cores in this article. Dive into this comprehensive guide and learn everything you should know about these cores! What to Know About Amorphous Cores?Amorphous Cores are made of metallic glass metallic without any well-defined crystalline form. Depending on their amorphous structure, these cores offer improved electric conductivity, efficient functioning, higher permeability, and increased magnetic density over a diverse range of temperatures usually not tolerated by other types of cores due to their low Curie temperatures. These cores are made from the process of solidification of the molted metal. Amorphous Cores are actually soft magnetic materials boasting stacks and stacks of silicon steel lamination. Their notable properties include high electric resistivity, relatively improved mechanical characteristics, and excellent magnetic and electromagnetic properties. Moreover, you can find these cores in multiple different types, including E-core, C-core, Amorphous Toroidal core, Shell core, Cut core, Block core, Planner core, U-core, Disc core, T core, and many more, mainly distinct in shape. This factor alone can contribute to changing the properties of the core, making some types more suitable for one application and some for another. Why Use Amorphous Cores?Once you have gone through all the applications, let's now have a look at the key reasons why you should consider using Amorphous Cores!Reduced Core LossCore losses are referred to as the dissipation of energy in the form of heat when the core is exposed to alternating magnetic fields. Amorphous Cores are found to have relatively lower core loss depending on their structural properties. However, you can use them for optimal energy efficiency, especially in applications involving continuous processing. Broad Frequency RangeUnlike the typical magnetic or crystalline cores, these have a broad frequency range. They aren't limited to the specific frequency bands. These are the main reasons why amorphous crystalline cores are considered versatile in multiple applications. Reduced Carbon Dioxide EmissionAccording to the analysis shared by the United Nations, transformers alone contribute to the overall carbon dioxide emission significantly. Their fair share in the emission is around 730 million tons per year. Owing to the energy efficiency of the Amorphous Cores, you can significantly reduce your industry's carbon footprint by minimizing the production and emission of carbon dioxide. Noteworthy Initial PermeabilityAnother important aspect is the considerable initial permeability offered by the Amorphous Cores. They are pretty sensitive to mere magnetic field changes. This property is helpful in inductors, sensors, and transformers where swift magnetic flux changes must be accommodated. 10 Most Common Applications of Amorphous CoresAmorphous Cores are made to be used in diverse applications owing to their low connectivity, low loss, and higher vulnerability. Some of the most common applications of their usage include:1. Audio SystemsAmplifiers are undoubtedly a key component of any audio system, and Amorphous Cores, in turn, are important components of amplifiers. These are mainly involved in amping up the received signal and submitting it to the speaker or any other output source. By amping up, we mean increasing the signal amplitude, so you can observe a significant increase between input and output signal amplification. How much an amplifier amplifies the signals depends entirely on the gain, i.e., the ratio of output specifications, like current and voltage, to that of the input. 2. Power SuppliesSoft magnetic material is usually preferred in power supplies. A power supply is a source electronic device that transforms any form of energy into an electrical one and supplies it to an electric load as output. Its function revolves around converting the received energy form, mostly the current itself, into the required frequency, current, and voltage to power the entire load side. 3. Medical EquipmentWhen it comes to medical equipment, safety stands as a key factor to consider. That said, amorphous materials are a noteworthy combination with Toroidal core, C-core, or Black core. 4. Magnetic SensorsThese cores are also used in magnetic sensors like position, magnetic field, and current. Their high sensitivity to any magnetic field change around them makes them ideal for the purpose.5. TransformersAnother important application of the Amorphous Toroidal core is distribution and power transformers. With them, you get to enjoy higher efficiency and minimized core loss. On the other hand, typical solutions, like silicone steel cores, won't only cost you a lot but also have reduced efficiency and increased power loss due to heat generation. System heating remains another incurable issue. 6. Current TransformersYou can also use these cores in current transformers to precisely measure the distribution systems' electric currents. Their extent of accuracy and the linearity of performance over increased and decreased temperature makes them suitable for this application. 7. Magnetic ShieldingTelecommunication equipment and medical devices need magnetic shielding for safe and accurate working. Amorphous Cores can provide this shield against electromagnetic or radiofrequency interferences. 8. Noise FilteringNoise can be disturbing or disrupting, affecting the output signal and reducing its reception on the receiver side. However, with the noise filtering power of the amorphous chokers installed in chokers and inductors, you can ensure to get rid of these unwanted disturbances. 9. EV ChargingElectric vehicles will take over the world in the coming years. Every vehicle will get replaced by its EV version, and so will the need for EV charging will arise. What sets them apart from other cores is their ability to minimize the core losses and save as much power as possible. 10. Pulse TransformerHigh-speed and in-time communications demand precise time management with minimum disturbance and pulse shaping. This task can be done well by the Amorphous Cores, which ensure swift transmission and resistance against distortion.Difference Between Amorphous and Non-Crystalline Cores?Now that you have explored the key applications of the amorphous solids' let's have a look at the key differences between the amorphous and nanocrystalline cores!Undoubtedly, both competitors are used diversely in applications; both are structurally opposites. One consists of well-defined crystalline forms, while the other is completely non-crystalline on the nanoscale level. But that’s only the structural aspect, other differing points include:1. Magnetic CharacteristicsAmorphous Cores tend to have higher initial permeability, quickly responding to minimal changes in the magnetic field. So, you can find them ideal in magnetic sensing. On the other hand, nanocrystalline cores have higher permeability throughout their work, so these are ideal for usage in highly sensitive sensing. 2. FrequencyNanocrystalline and Amorphous Cores have high-frequency applications, but the former is often considered the best pick. It's because nanocrystalline cores are the advanced version of cores that have revolutionized the industry with their exceptional perks and features, as they combine both the specs of amorphous and crystalline cores. 3. ApplicationAmorphous Cores find their applications in noise-filtering inductors, power transformers, distribution transformers, etc. The nanocrystalline cores work more effectively in the inductors for power electronics, high-frequency transformers, etc. Where to Find the Best Amorphous Cores?The next question in your mind must be where to get the best Amorphous Cores from. You can find multiple manufacturers in the market, each promising to offer the best quality and making the choice pretty difficult. However, if you are going through the same, TranSmart has covered you with its exceptional quality, specs, and features boasting products.Whether you need to get a custom amorphous C-core metal core, amorphous magnetic core, Amorphous Toroidal core, or a simple amorphous core, they have everything to offer you. The best part about their products is that you can obtain them in bulk and at a reasonable price.Besides these, they also offer an array of other core products, including nanocrystalline cores, silicone steel cores, Mumetal cores, and more. For more information, please visit their website. ConclusionAmorphous Cores are structurally non-crystalline, but their properties are similar to the nanocrystalline amorphous solids. The former finds application in various industries: electronics, power transmission, and more. Depending on their amorphous nature, they are considered second best after the nanocrystalline cores. That was all about the amorphous magnetic cores, their applications, reasons for using them, and key differences between the amorphous and nanocrystalline cores. Hope you found this info helpful. Hope you found this article worth reading! Let us know in the comments if you have any queries relevant to amorphous cores, we will get back to you as soon as possible.