Premium Power Transformer for Substation Use 5 Mva Rating

• Customization: Available
• Application: Power
• Phase: Three
• Model NO.: Substation Transformer
• Core: Core-type Transformer
• Cooling Method: Onan/Onaf
• Winding Type: Two-winding Transformer
• Certification: ISO9001-2000, ISO9001
• Usage: Power Transformer
• Frequency Characteristics: Intermediate Frequency
• Brand: Yawei
• Selling Units: Single Item
• Warranty: 2years
• Single Package Size: 2600X2200X1900 Cm
• Coil Number: 2
• Winding Material: Aluminum/Copper
• Transport Package: Wooden Case
• Specification: iron
• Trademark: Yawei
• Origin: Jiangsu, China
• Production Capacity: 500 Set/Sets Per Month
• Package Size: 600.00cm * 800.00cm * 1000.00cm
• Package Gross Weight: 50000.000kg

Product Description

Product introduction

1. Unrivaled Efficiency and Low Loss
Experience the pinnacle of high-quality craftsmanship with our Premium Power Transformer. Engineered using superior silicon steel sheets, such as the renowned oriented silicon steel, and cutting-edge winding techniques like foil or helical winding, this transformer is designed to significantly reduce no-load (iron) losses and load (copper) losses, ensuring unparalleled efficiency in power management.

2. Revolutionary Energy-Saving Design: Our transformer not only meets but exceeds global energy efficiency standards. With certain models boasting efficiencies over 99%, it is engineered to drastically cut down on long-term operational costs, making it a smart and sustainable choice for your energy needs.

3. Tailored for Complex Power Grid Challenges
Versatile Voltage Regulation: Whether through on-load tap changing (OLTC) or no-load tap changing, this transformer is designed to handle a wide spectrum of voltage fluctuations, ensuring seamless adaptation to dynamic power grid conditions.
Harmonic Suppression Expertise: With advanced winding configurations such as the Dyn11 connection group, our transformer effectively suppresses third harmonics, making it an ideal solution for integration with modern energy sources like solar and wind power.
Robust Short-Circuit Endurance: Optimized through rigorous short-circuit testing, our transformer leverages advanced impedance designs to minimize the impact of fault currents, enhancing reliability and longevity.

4. Customization for Global Reach
Ingenious Flexibility in Design: Our transformer offers customized solutions ranging from capacities of 10kVA to an astounding 1000MVA, voltage levels reaching up to an impressive ±1100kV ultra-high voltage, and special protections like salt spray resistance and explosion-proof capabilities, tailored exactly to meet your unique requirements on a global scale.

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. is a powerhouse in the transformer manufacturing industry, boasting formidable production capabilities and a dynamic team of experts steering both production and marketing. With an impressive workforce of 1,800, Yawei Group is driven by over 150 engineers and technicians who craft innovation and precision.
Delve into our extensive portfolio of transformers, where diversity meets excellence. From dry-type transformers under 110KV, 220KV, and 500KV to those under 35KV, we cover the spectrum. Our offerings include oil-immersed transformers and cutting-edge new energy solutions like solar energy storage transformers. We provide specialized transformers for every need, including reactors, furnace transformers, rectifier transformers, mining transformers, separators, and phase shifters. Our esteemed products not only shine in the local market but also illuminate industries across China, the United States, Europe, India, Madagascar, Vietnam, and Cambodia.
Our product innovations align seamlessly with global standards, adhering strictly to IEEE, ANSI, DOE, CSA, UL, and IEC protocols. Beyond transformers, our six specialized branch factories produce essential accessories like enameled wires, oil tanks, radiators, molds, and fixtures, fortifying our status as industry leaders.
Our integrated production line ensures unparalleled product quality, delivering consistent excellence. We embrace both OEM and ODM collaborations, enhancing flexibility for our clients. Every Yawei transformer comes with a reassuring minimum two-year warranty, reflecting our commitment to reliability and durability.
In the heart of modern industry, transformer factories represent the pinnacle of power transmission, celebrated for their precision engineering and cutting-edge technology.
Our facility is a testament to industrial prowess, where expertly designed transformers serve as the core of electrical systems and symbolize industrial progress.
Experience the sophistication of our factory, where high-performance equipment operates with flawless efficiency. Our Precision Winding Machines ensure each coil is wound with remarkable precision, adhering to the most rigorous design specifications.
Our Automated Iron Core Production Line leverages the latest in silicon steel sheet cutting and stacking technologies, creating the resilient core of our transformers and setting a standard for excellence.
Our Eco-Friendly Insulation Material Processing System combines top-tier performance with eco-conscious practices, highlighting our dedication to sustainable manufacturing and environmental responsibility.

Company advantages

Our certificates

Exhibition

At the prestigious exhibition, Yawei Transformers dazzled with its exceptional advantages and unrivaled strengths, captivating clients worldwide for engaging discussions and fruitful exchanges. The booth's innovative design stood out, showcasing an expansive and diverse product line that exemplifies the exceptional quality Yawei is renowned for in the transformer industry.

Company Advantages and Strengths
Yawei Transformers is a powerhouse of innovation, boasting a cutting-edge R&D team and state-of-the-art manufacturing facilities. Committed to delivering efficient and reliable power solutions, the company leverages its extensive industry experience to build an outstanding reputation, underpinned by robust technical capabilities and exceptional customer service.
Product Diversity and Quality
At the exhibition, Yawei unveiled a stunning array of transformer solutions, each designed to meet unique needs:

High-efficiency transformers: Engineered to meet international energy efficiency standards, these transformers significantly reduce operating costs, setting new benchmarks in sustainability.
Smart transformers: Equipped with cutting-edge monitoring systems for real-time data management, these transformers elevate safety standards. Customized products: Tailored solutions designed to meet specific client requirements, adaptable to a myriad of application scenarios.

Every product is subjected to meticulous quality testing, ensuring unparalleled reliability and durability across diverse environments.
Transactions and Collaborations
At the exhibition, Yawei Transformers achieved remarkable success by completing multiple transactions with international clients, further expanding its global footprint. Through insightful discussions, both parties explored promising future collaboration opportunities, underscoring Yawei's formidable competitiveness and influence in the global power landscape. This event not only bolstered Yawei Transformers' brand prestige but also established a robust foundation for future growth and development.

Packaging and transportion

At Yawei Transformers, we pride ourselves on our unwavering commitment to integrity and efficiency in packaging and transportation. This dedication ensures that our valued customers receive their products in perfect condition, free from any damage or compromise.

Integrity of Wooden Crate Packaging
Yawei Transformers meticulously crafts robust wooden crates, each designed with the following exceptional attributes:
Durability: Crafted from premium-quality wood, our crates provide unparalleled resistance to potential damage during the rigors of transportation.
Shock-absorbing Design: Inside each crate lies a sophisticated array of cushioning materials, expertly engineered to absorb shocks and safeguard the transformer from potential impact.
Superior Sealing: These crates boast an impeccable sealing system that effectively shields against moisture and dust intrusion, thereby preserving the pristine quality of our products.

Transportation Efficiency
Yawei Transformers has forged strategic alliances with an array of reputable logistics partners to guarantee swift and seamless delivery services. Our approach encompasses the following key enhancements to maximize transportation efficiency:
Optimized Logistics Solutions: We meticulously plan our logistics routes, taking into account both destination and mode of transportation, to significantly reduce delivery lead times.
Real-time Tracking System: Our state-of-the-art online system empowers customers with the ability to monitor their order status in real-time, ensuring complete transparency and peace of mind.
Proactive Feedback Mechanism: We maintain open lines of communication with our logistics partners, enabling us to swiftly address any challenges that may arise during the transportation process.

Through these concerted efforts, Yawei Transformers guarantees that our products are transported with the utmost care and efficiency, arriving safely and promptly at their destination. This commitment enhances customer satisfaction and builds enduring trust in our brand.

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.