Sylvan Technologies Limited, the foremost transformer company in Bangladesh
Sylvan Technologies Limited (STL) is the premier transformer company in Bangladesh. With their technology, efficiency, and reliability they set the benchmark for excellence in the industry. Their unwavering commitment to quality and innovation STL has consistently delivered state-of-the-art transformers that power the nation's infrastructure. STL's team of skilled professionals, coupled with their customer-centric approach, has earned them the trust and loyalty of clients nationwide.
An electrical transformer is a device that transfers electrical energy between two or more circuits through electromagnetic induction. It consists of two coils, known as the primary and secondary winding, wrapped around a magnetic core. Transformers play a crucial role in power transmission and distribution systems, stepping up or stepping down voltage levels efficiently. Transformers can be classified based on their core, voltage conversion, winding, insulation, phase, and purpose.
Core based transformers
Core Type Transformer: In a core type transformer, the windings surround the magnetic core, which is made of laminated steel sheets. This design provides a shorter magnetic path, resulting in higher efficiency and better cooling. Core type transformers are commonly used in high voltage applications.
Shell Type Transformer: In a shell type transformer, the core surrounds the windings. This design offers better mechanical strength and ease of assembly. Shell type transformers are typically used in low voltage applications and are known for their compact size and low cost.
Berry Type Transformer: Berry type transformers feature cylindrical windings placed concentrically around a central magnetic core. This design allows for uniform magnetic flux distribution and reduced leakage flux. Berry type transformers are commonly used in high voltage and high-frequency applications, such as inverter circuits and switch-mode power supplies.
Voltage based conversion transformers
Step Up Transformer: A step-up transformer increases the voltage from the primary winding to the secondary winding, allowing for efficient long-distance power transmission and voltage conversion in power plants and transmission lines.
Step Down Transformer: A step-down transformer decreases the voltage from the primary winding to the secondary winding, enabling safe distribution of electricity to homes, businesses, and other low-voltage applications.
Winding based transformers
Two-Winding Transformer: A two-winding transformer consists of two separate and insulated windings, the primary and secondary, which are electrically isolated. It is widely used for voltage conversion and power distribution in electrical systems.
Autotransformer: An autotransformer has a single winding that serves as both the primary and secondary winding. It is designed to step-up or step-down voltages and is commonly used in applications where a smaller size and cost-effective solution is desired.
Insulation based conversion transformers
Dry Type Transformer: A dry type transformer uses solid insulation materials to provide electrical insulation and does not require a liquid cooling medium. It is environmentally friendly, low maintenance, and suitable for indoor installations.
Oil Immersed Transformer: An oil immersed transformer is filled with insulating oil that helps with cooling and insulation. The oil absorbs heat generated during operation, ensuring efficient performance. It is commonly used in outdoor installations and high-power applications.
Phase based conversion transformers
Single Phase Transformer
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single-phase transformer has a primary and a secondary winding designed to handle single-phase alternating current. It is commonly used in residential and small commercial applications for voltage conversion and distribution.
Three Phase Transformer
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three-phase transformer consists of three primary windings and three secondary windings, designed to handle three-phase alternating current. It is widely used in industrial and commercial settings for efficient power transmission and distribution in three-phase electrical systems.
Purpose based conversion transformers
Power Transformer: Power transformers are large-capacity transformers used in high-voltage power transmission and distribution systems. They step-up or step-down voltage levels, efficiently transferring electricity over long distances while minimizing energy losses.
Distribution Transformer: Distribution transformers are smaller transformers used in distribution networks to step down voltage levels for safe and reliable supply to residential, commercial, and industrial areas. They play a crucial role in delivering electricity at usable voltage levels.
Isolation Transformer: An isolation transformer is designed to electrically isolate the primary and secondary windings, providing protection against electrical shocks and isolating sensitive equipment from the main power supply. They are commonly used in medical facilities, laboratories, and sensitive electronic applications to ensure safety and prevent electrical noise.
Instrument transformers: These are essential devices used to transform current and voltage levels, enabling accurate measurement, protection, and control in electrical power systems. Instrument transformers come in two types.
Current Transformer: A current transformer is an instrument transformer that steps down high currents to manageable levels for measurement and protection purposes.
Potential Transformer: A potential transformer is an instrument transformer that steps down high voltages to lower levels for accurate voltage measurement and monitoring.
Transformer consist of several parts, like core, winding, tank, insulation, transformer oil, terminals and bushings, breather, tap changer, radiators and fans, cooling tubes, Buchholz relay, pressure relief device, oil conservator, temperature gauge, oil temperature indicator, and winding temperature indicator.
