Basic Info.
Model NO.
power transformer
Application
Power, Instrument, Lighting, Rectifier, Audio
Core
Core-type Transformer
Winding Type
Two-winding Transformer
Certification
ISO9001-2000, ISO9001
Frequency Characteristics
Intermediate Frequency
Selling Units
Single Item
Single Package Size
2600X2200X1900 Cm
Winding Material
Aluminum/Copper
Transport Package
Wooden Case
Product Description
Product introduction
1 High efficiency and low loss
High-quality material process: Utilizing high-quality silicon steel sheets (such as oriented silicon steel) and advanced winding technologies (such as foil winding or helical winding) to reduce no-load losses (iron loss) and load losses (copper loss).
2 Energy-saving design: Complies with international energy efficiency standards, and the efficiency of some models can reach over 99%, significantly reducing long-term operating costs.
3. Adapt to the demands of complex power grids
Wide voltage regulation: By on-load voltage regulation (OLTC) or no-excitation voltage regulation, it ADAPTS to a wider range of voltage fluctuations.
Harmonic suppression: Special winding design (such as Dyn11 connection group) is adopted to suppress the third harmonic, which is compatible with the grid connection of new energy (photovoltaic/wind power).
Short-circuit endurance: Through short-circuit tests, the impedance design is optimized to reduce the impact of fault current.
4. Customization and global applicability
Flexible design: Customized capacity (from 10kVA to 1000MVA), voltage level (up to ±1100kV ultra-high voltage), or special protection (such as salt spray prevention, explosion-proof) can be provided according to customer requirements.
| 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. possesses strong manufacturing capabilities and an efficient production team and marketing team. Yawei Group currently has 1,800 employees, among whom there are over 150 engineers and technicians.
We offer a wide variety of transformers, including dry-type transformers below 110KV, 220KV and 500KV, dry-type transformers below 35KV, oil-immersed transformers, new energy transformers and solar energy storage transformers. Our options also include prefabricated substations and specialized transformers, such as reactors, furnace transformers, rectifier transformers, mining transformers, separators and phase shifters. Our products are very popular in the local market and are exported to countries such as China, the United States, Europe, India, Madagascar, Vietnam and Cambodia
Our product designs comply with a series of international standards, including IEEE, ANSI, DOE, CSA, UL and IEC. In addition, we also have six specialized branch factories, mainly producing power transformer accessories such as enameled wires, oil tanks, radiators, molds, fixtures, etc.
This comprehensive production line ensures the consistency of our product quality. We accept OEM and ODM orders and offer at least a two-year warranty for all Yawei transformers.In the epicenter of contemporary industry, transformer factories stand as a vital link in the chain of power transmission, distinguished by their meticulous craftsmanship and state-of-the-art machinery.
Within our facility, meticulously crafted transformers form the backbone of electrical systems and epitomize the march of industrial advancement.
Upon Entering Our Factory, You Are Greeted By An Array Of High-Performance Equipment Operating With Seamless Efficiency:Precision Winding Machines:These machines meticulously wind coils with exceptional accuracy, ensuring that each aspect of the transformer adheres to stringent designspecifications.
Automated Iron Core Production Line: Employing the latest in silicon steel sheet cutting and stacking technologies, we forge the robust heart of our transformers.
Eco-Friendly Insulation Material Processing System: Our chosen insulation materials excel in performance while also upholding environmental standards, underscoring our dedicationto sustainable practices.Company advantages
Our certificates
Exhibition
At the exhibition, Yawei Transformers showcased the company's advantages and strengths, attracting clients from multiple countries for discussions and exchanges. The booth design was unique, highlighting the diverse product line and exceptional quality in the transformer field.
Company Advantages and Strengths
Yawei Transformers boasts an advanced R&D team and modern manufacturing facilities, dedicated to providing efficient and reliable power solutions. With extensive industry experience, the company has earned a strong reputation through its technical capabilities and quality customer service.
Product Diversity and Quality
At the exhibition, Yawei displayed various types of transformers, including:
High-efficiency transformers: Meeting international energy efficiency standards to reduce operating costs.
Smart transformers: Featuring advanced monitoring systems for real-time data management, enhancing safety. Customized products: Offering personalized solutions based on client needs to suit different application scenarios. Each product undergoes rigorous quality testing to ensure reliability and durability in various environments.
Transactions and Collaborations
During the exhibition, Yawei Transformers successfully completed transactions with several clients from different countries, further expanding its international market. Through in-depth discussions, both parties explored future cooperation opportunities, showcasing Yawei's competitiveness and influence in the global power industry. This exhibition not only enhanced Yawei Transformers' brand recognition but also laid a solid foundation for future development.Packaging and transportion
Yawei Transformers emphasizes integrity and efficiency in packaging and transportation, ensuring that products arrive safely and undamaged to customers.
Integrity of Wooden Crate Packaging
Yawei Transformers uses sturdy wooden crates with the following features:
Durability: High-quality wood ensures that the packaging is resistant to damage during transportation.
Shock-absorbing Design: Special cushioning materials inside effectively absorb impact, protecting the transformer from harm.
Good Sealing: The crates are designed to be sealed, preventing moisture and dust from entering and safeguarding product quality.
Transportation Efficiency
During transportation, Yawei Transformers has established strategic partnerships with multiple logistics companies to ensure efficient delivery services. The company implements the following measures to enhance transportation efficiency:
Optimized Logistics Solutions: Routes are planned based on destination and transportation methods to shorten delivery times.
Real-time Tracking System: Customers can track order status at any time through an online system, ensuring transparency of information.
Regular Feedback Mechanism: Close communication with logistics partners allows for timely resolution of any issues during transportation.
Through these measures, Yawei Transformers ensures that products remain intact during transportation and are delivered quickly and safely to customers, enhancing customer satisfaction and 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.
Address:
Nantong, Jiangsu, China
Business Type:
Manufacturer/Factory
Business Range:
Electrical & Electronics
Management System Certification:
ISO 9001, ISO 14001
Company Introduction:
Different kinds of products are available in our company. We′re pleased to get your Inquiry and we will reply you as soon as possible. We stick to the principle of "quality first, service first, continuous improvement and innovation to meet the customers" for the management and "zero defect, zero complaints" as the quality objective.
