1 High efficiency and low loss
Harnessing the power of high-quality material processes, this transformer employs premier silicon steel sheets like oriented silicon steel, combined with cutting-edge winding technologies such as foil or helical winding. These meticulous choices significantly slash no-load (iron loss) and load losses (copper loss), ensuring unmatched efficiency and performance.
2 Energy-saving design: Aligning with rigorous international energy efficiency standards, this transformer showcases an impressive efficiency level, with select models surpassing 99%. This translates to a dramatic reduction in long-term operational costs, making it a wise investment for energy-conscious applications.
3. Adapt to the demands of complex power grids
Wide voltage regulation: Equipped with sophisticated on-load tap changers (OLTC) or no-excitation voltage regulation, this transformer adeptly accommodates extensive voltage fluctuations, catering to dynamic grid environments.
Harmonic suppression: With a specialized winding design, particularly the Dyn11 connection group, this transformer effectively neutralizes the third harmonic. It seamlessly integrates with new energy sources such as photovoltaic and wind power, making it a perfect fit for modern grid connections.
Short-circuit endurance: Rigorous short-circuit testing results in an optimized impedance design, skillfully reducing the impact of fault current and enhancing the transformer's resilience in challenging scenarios.
4. Customization and global applicability
Flexible design: Tailor-made to meet diverse customer requirements, this transformer offers customizable capacity ranging from 10kVA to a striking 1000MVA. It also provides voltage levels up to ±1100kV ultra-high voltage and special protection features like salt spray prevention and explosion-proof options, ensuring unparalleled adaptability for any application worldwide.
Type
Power Transformer
Insulation Class
A-Class
Lightning Impulse Withstand Voltage
as Per IEC Standard
Core Material
Silicon Steel
Main product
Company Profile
Jiangsu Yawei Transformer Co., Ltd. stands as a beacon of industrial prowess with its formidable manufacturing capabilities and a team that excels in both production and marketing. As a proud member of the Yawei Group, we boast a robust workforce of 1,800 dedicated employees, including over 150 expert engineers and skilled technicians, each contributing to our reputation for excellence.
Our extensive range of transformers showcases our versatility and expertise. From dry-type transformers below 110KV, 220KV, and 500KV, to oil-immersed, new energy, and solar energy storage transformers, our product line meets diverse needs. We also offer specialized solutions such as prefabricated substations and transformers for unique applications like reactors, furnace, rectifier, mining, separators, and phase shifters. Globally recognized, our products enjoy popularity not only in the local market but also across international borders, reaching China, the United States, Europe, India, Madagascar, Vietnam, and Cambodia.
Adhering to prestigious international standards including IEEE, ANSI, DOE, CSA, UL, and IEC, our product designs epitomize quality and reliability. Augmenting our capabilities are six specialized branch factories focused on producing essential power transformer accessories, such as enameled wires, oil tanks, radiators, molds, and fixtures, thus ensuring a seamless production process.
Our comprehensive production line is the backbone of our commitment to unwavering quality. We welcome OEM and ODM orders, affirming our flexibility and customer focus. Moreover, a generous two-year warranty underscores our confidence in every Yawei transformer, guaranteeing peace of mind and unparalleled service. In the dynamic realm of modern industry, transformer factories are pivotal, exemplifying a critical juncture in the power transmission chain, renowned for their precision craftsmanship and cutting-edge technology.
At the core of our facility, intricately designed transformers not only support electrical systems robustly but also symbolize the relentless progress of industrial innovation and advancement.
Upon entering our factory, you are welcomed by an impressive array of high-performance equipment, all operating with impeccable precision and efficiency:Precision Winding Machines: These machines excel in winding coils with unmatched accuracy, ensuring strict adherence to detailed design specifications.
Automated Iron Core Production Line: Utilizing advanced silicon steel sheet cutting and stacking technologies, we construct the sturdy heart of our transformers.
Eco-Friendly Insulation Material Processing System: Chosen for their superior performance and environmental sustainability, our insulation materials demonstrate our unwavering commitment to eco-friendly practices.
Company advantages
Our certificates
Exhibition
At the prestigious exhibition, Yawei Transformers made a striking impression by showcasing the company's unparalleled advantages and formidable strengths. This captivating presentation drew clients from around the globe for engaging discussions and fruitful exchanges. The booth, with its unique design, beautifully highlighted the wide-ranging product line and exceptional quality that Yawei is renowned for in the transformer industry.
Company Advantages and Strengths
Yawei Transformers stands out with an elite R&D team and state-of-the-art manufacturing facilities, passionately committed to delivering efficient and dependable power solutions. With a wealth of industry experience, the company has cultivated a solid reputation through its superior technical capabilities and outstanding customer service. Product Diversity and Quality
At the exhibition, Yawei proudly presented a diverse array of transformers, including:
High-efficiency transformers: Engineered to meet international energy efficiency standards, significantly reducing operating costs.
Smart transformers: Equipped with cutting-edge monitoring systems for real-time data management, enhancing operational safety. Customized products: Tailored solutions crafted to meet specific client requirements, perfectly suited for a variety of application scenarios.
Each product is subjected to meticulous quality testing, ensuring it delivers unparalleled reliability and durability across various environments. Transactions and Collaborations
During the exhibition, Yawei Transformers achieved significant success by completing transactions with numerous international clients, thereby broadening its global market reach. Through comprehensive discussions, both parties delved into promising future cooperation opportunities, underscoring Yawei's competitive edge and influence in the global power industry. This exhibition not only elevated Yawei Transformers' brand recognition to new heights but also established a robust foundation for future growth and development.
Packaging and transportion
At Yawei Transformers, we prioritize honesty and efficiency in our packaging and transportation processes, meticulously ensuring that each product is delivered to our customers in pristine condition, free from any damage.
Integrity of Wooden Crate Packaging
Our robust wooden crates at Yawei Transformers boast the following exceptional features:
Durability: Crafted from premium-grade wood, our packaging is built to withstand the rigors of transit, offering unparalleled resistance against potential damage.
Shock-absorbing Design: Inside, we've incorporated advanced cushioning materials that expertly absorb shocks, keeping your transformer safeguarded from any impacts.
Good Sealing: Our crates are engineered to seal tightly, forming a protective barrier that keeps out moisture and dust, thereby preserving the quality of your product.
Transportation Efficiency
Yawei Transformers has forged strategic alliances with top-tier logistics companies to guarantee swift and efficient delivery services. Our strategies to boost transportation efficiency include:
Optimized Logistics Solutions: We meticulously plan our routes according to destination and mode of transport, significantly reducing delivery times.
Real-time Tracking System: With our state-of-the-art online tracking system, customers enjoy the convenience of monitoring their order status anytime, ensuring complete transparency.
Regular Feedback Mechanism: We maintain proactive communication with our logistics partners, enabling us to swiftly address and resolve any transportation challenges.
By implementing these comprehensive measures, Yawei Transformers guarantees that our products are delivered intact, promptly, and safely, thereby significantly boosting customer satisfaction and fostering trust.
FAQ
Q: What is a power transformer? A: A power transformer is a device that transfers electrical energy between two or more circuits through electromagnetic induction. Q: How does a power transformer work? A: Power transformers work on the principle of Faraday's law of electromagnetic induction, where alternating current in the primary coil induces a voltage in the secondary coil. Q: What are the types of power transformers? A: The main types of power transformers include step-up transformers and step-down transformers. Q: What is the difference between a step-up and step-down transformer? A: A step-up transformer increases the voltage while decreasing the current, and vice versa for a step-down transformer. Q: What is the core of a power transformer made of? A: The core is typically made of silicon steel, which reduces energy loss due to magnetic hysteresis. Q: What is the role of the winding in a transformer? A: Winding carries the electrical current and provides the inductive effect necessary to induce voltage in the other winding. Q: How efficient are power transformers? A: Transformers can have high efficiencies, ranging from 90% to 99%, depending on design and load conditions. Q: What is the importance of insulation in transformers? A: Insulation prevents short circuits between windings and between windings and the core by providing electrical isolation.
Q: What is a compact transformer? A: A compact transformer is a smaller, lighter, and more efficient version of the traditional transformer, designed to save space and reduce energy consumption. They are often used in environments where space is limited, such as urban areas or industrial settings. Q: How do compact transformers work? A: Compact transformers work on the same principle as standard transformers, using magnetic fields to transfer electrical power from one circuit to another through mutual induction.The primary difference is their design, which is optimized for space and efficiency. Q: What are the benefits of using compact transformers? A: The benefits include reduced space requirements, lower energy consumption, less noise, and improved efficiency. They also tend to have a longer lifespan and require less maintenance. Q: Are compact transformers suitable for residential use? A: Yes, compact transformers are suitable for residential use, especially in areas where space is at a premium. They can be used for various purposes, including voltage regulation and power distribution. Q: Can compact transformers handle high loads? A: Yes, compact transformers can be designed to handle high loads. Their design and materials can be optimized to ensure they can handle heavy electrical loads while maintaining efficiency and safety. Q: What materials are used in the construction of compact transformers? A: Materials used in the construction of compact transformers include high-grade steel for the core, copper or aluminum for the windings, and insulation materials like paper or varnish. Q: How do compact transformers improve efficiency? A: They improve efficiency through advanced core designs that reduce magnetic losses and optimized winding designs that minimize electrical resistance. Q: Can compact transformers be used in outdoor environments? A: Yes, compact transformers can be used in outdoor environments. They are typically designed with weather-resistant materials and coatings to protect against environmental elements.
Q: What is a substation transformer? A: A substation transformer is a heavy electrical device used in power systems for stepping up or stepping down the voltage level between various stages of power transmission and distribution networks. Q: Why are transformers used in substations? A: They enable efficient transmission over long distances by reducing the current through the skin effect and reducing conductor size, and they provide appropriate voltage levels for local distribution networks. Q: What is the difference between a step-up and a step-down transformer? A: A step-up transformer increases the voltage while decreasing the current, while a step-down transformer decreases the voltage while increasing the current. Q: What is the importance of the transformer's thermal rating? A: The thermal rating indicates the maximum temperature the transformer can reach without sustaining damage, ensuring safe operation under varying load conditions. Q: What is the typical lifespan of a substation transformer? A: A well-maintained transformer can last 30 to 50 years. Q: What is the function of a tap changer in a transformer? A: A tap changer allows the user to adjust the turns ratio on the go to maintain the desired output voltage. Q: What are the common types of cooling systems in transformers? A: Air, forced air, natural oil, forced oil, and water-cooled systems. Q: How does a conservator tank help in transformer cooling? A: It compensates for oil volume changes due to temperature variations and prevents vacuum formation. Q: What is the purpose of a Buchholz relay in a transformer? A: The Buchholz relay detects faults within the transformer's oil-filled parts, such as internal faults.
Q: What is the purpose of a distribution transformer? A: A distribution transformer is used to reduce the high voltage from transmission lines to a level suitable for commercial and residential distribution systems. Q: How does a distribution transformer work? A: lt works on the principle of electromagnetic induction, converting high voltage AC to lower voltage AC through a process involving magnetic fields and coils of wire. Q: What are the typical voltage levels for distribution transformers? A: Distribution transformers usually operate between 2.4 kV and 35 kV on the high side and between 120/208 V,2400V,and 480 V on the low side. Q: How do you size a distribution transformer? A:The transformer is sized based on the maximum demand in kVA, ensuring there is enough capacity to handle peak loads with a safety margin. Q: What is the difference between a dry-type and liquid-filled distribution transformer? A: Dry-type transformers are cooled by air and are typically used indoors, whereas liquid-filled transformers use oil for cooling and insulation, suitable for outdoor use. Q: How do you determine the right impedance for a distribution transformer? A: The impedance is selected based on system requirements for fault current limitation and voltage regulation under various loading conditions. Q: How do you minimize the audible noise produced by distribution transformers? A: Noise can be minimized through proper installation, maintenance, and selection of low-noise designs when available. Q: What is the expected lifespan of a distribution transformer? A:The lifespan can vary between 20 and 40 years depending on the quality, maintenance. and environmental factors. Q: How often should a distribution transformer be inspected and maintained? A: Routine inspections should be performed annually, with major maintenance activities every 5 to 10 years, depending on usage and environmental conditions.
Q: What is a pad mounted transformer? A: A pad mounted transformer is an electrical transformer that is mounted on a concrete pad and enclosed in a metal or weatherproof box, typically used for medium-voltage and high-current power applications. Q: How does a pad mounted transformer work? A: It works by stepping down high voltage from transmission lines to a lower voltage level suitable for distribution to commercial and residential areas. Q: What are the main parts of a pad mounted transformer? A: The main parts include an iron core, primary and secondary coils, insulation, a cooling system, and an enclosure. Q: Where are pad mounted transformers commonly installed? A: They are usually found in urban and suburban areas, near the point of distribution where electricity is supplied to consumers. Q: What is the typical kVA range for pad mounted transformers? A: The kVA range can vary widely, from a few hundred kVA up to several thousand kVA, depending on the application's power requirements. Q: Can pad mounted transformers be used indoors? A: Yes, some pad mounted transformers are designed for indoor use and must comply with specific safety standards for indoor environments. Q: Are pad mounted transformers explosion-proof? A: Some models are designed to be explosion-proof, particularly when they are used in hazardous locations where flammable gases or dust may be present. Q: How do l size a pad mounted transformer for my needs? A:You should calculate the maximum demand load (in kVA) of your facility and select a transformer that can meet or exceed that requirement. Q: What is the standard primary voltage for pad mounted transformers? A: Standard primary voltages can range from 2.4 kV up to 35 kV, depending on the utility and application.
Q: What is a pole mounted transformer? A: A pole mounted transformer is a device that reduces high voltage electricity to a lower voltage for use in homes, businesses, and other facilities. It is attached to a utility pole. Q: How does a pole mounted transformer work? A: A pole mounted transformer uses electromagnetic induction to reduce the voltage. lt has two coils of wire, the primary coil connected to the high voltage supply and the secondary coil connected to the low voltage output. Q: Why are pole mounted transformers used? A: Pole mounted transformers are used because they allow for the distribution of electricity over long distances. They reduce the voltage so it is safe for use in homes and businesses. Q: What are the advantages of pole mounted transformers? A:The advantages of pole mounted transformers include their compact size, ease of installation, and low maintenance. They also reduce the need for large, expensive substations. Q: Can I upgrade my pole mounted transformer to increase capacity? A: Yes, it is possible to upgrade your pole mounted transformer to increase its capacity. Contact your local utility company to discuss your needs and find out about the options and costs involved. Q: How much power do pole mounted transformers typically handle? A: Pole mounted transformers typically handle anywhere from 10 kVA to 500 kVA. Q: What is the difference between a step-up and step-down transformer? A: A step-up transformer increases the voltage, while a step-down transformer decreases the voltage. Pole mounted transformers are typically step-down transformers. Q: How often do pole mounted transformers need to be inspected? A: Pole mounted transformers should be inspected regularly, at least once a year, to ensure they are operating properly and safely. Q: What should I look for during a pole mounted transformer inspection? A: During an inspection, you should look for signs of wear and tear, such as cracks or leaks in the tank, loose connections, and damage to the cooling system. You should also check for any unusual noises or smells.
Q: What is a furnace transformer? A: A furnace transformer is a type of electrical transformer specifically designed to provide power to industrial furnaces, allowing for precise control over the voltage supplied to the furnace. Q: How does a furnace transformer work? A: A furnace transformer works on the principle of electromagnetic induction. It step downs or step ups the voltage supplied by the power grid to meet the specific requirements of the furnace. Q: What is the difference between a furnace transformer and a regular transformer? A: A furnace transformer is specifically designed for use with industrial furnaces, while a regular transformer can be used for various applications. Furnace transformers are typically larger and more robust than regular transformers, with features such as tap changers for adjusting the output voltage. Q: How do l choose a furnace transformer? A: To choose a furnace transformer, consider factors such as the power rating, input and output voltages, current capacity, efficiency, cooling method, insulation class, and regulatory compliance. Consult with a transformer specialist or engineer to ensure that the selected unit will fulfill all operational requirements and regulatory compliance. Q: What is the typical lifespan of a furnace transformer? A: The lifespan of a furnace transformer can vary widely depending on usage, maintenance, and environmental factors. However, many furnace transformers are designed to last for 10-15 years or more. Q: Can I use a portable generator to power my furnace transformer in case of a power outage? A: Yes, you can use a portable generator to power your furnace transformer in case of a power outage. However, it's important to ensure that the generator is properly sized and rated for the voltage and current capacity of your transformer system. Additionally, make sure that the generator is properly grounded and connected to the transformer in a safe and secure manner. Consult with a qualified electrician or electrical contractor for assistance in safely connecting your portable generator to your furnace transformer system during power outages. Q: Can l install a surge protector on my furnace transformer to protect it from power surges? A: Yes, installing a surge protector on your furnace transformer can help protect it from power surges caused by lightning strikes, power outages, or other electrical disturbances.Surge protectors work by diverting excess electricity away from sensitive electronic equipment like transformers and into the ground where it can be safely dissipated. Be sure to choose a surge protector that is rated for the voltage and current capacity of your furnace transformer. Consult with a qualified electrician or electrical contractor for assistance in selecting and installing a surge protector for your transformer system.
Q: What is a dry transformer? A:A dry transformer is an electrical transformer that uses solid insulating materials instead of liquid, such as oil, to insulate between the windings and the core. Q: How does a dry transformer work? A: lt works on the principle of electromagnetic induction, where an alternating current in the primary coil induces a magnetic field that, in turn, induces a current in the secondary coil. Q: What are the advantages of using a dry transformer? A: They are safer in terms of fire risk, easier to maintain, can be more compact, and are suitable for indoor use where oil isn't desirable. Q: Where are dry transformers commonly used? A: They are often used in industrial settings, commercial buildings, and indoor applications where space is limited and fire safety is a concern. Q: Are dry transformers more expensive than oil-filled ones? A: Answer: Initially, dry transformers can be more expensive than oil-filled transformers, but they might have lower maintenance and operational costs over time. Q: What are the different types of dry transformers? A: There are several types, including dry-type core, dry-type shell, and cast resin transformers, each with distinct construction and applications. Q: How do l determine the size of a dry transformer needed? A: Calculate the total power demand in kVA, considering future expansion and peak demand, and select a transformer with a slightly higher rating. Q: Can dry transformers be used outdoors? A: Yes, certain dry transformers are rated for outdoor use and come with weatherproof enclosures. Q: What is the typical efficiency range of dry transformers? A: Dry transformers typically operate with efficiencies ranging from 90% to 99%, depending on load conditions and design.
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