Transformer Series

Your Professional Transformer Series Supplier

Our goal is to become your true partner in the field of transformer series in China. Shaanxi Sefon Electrical Equipment Co., Ltd. is a high-tech enterprise integrating research and development, design, production, sales, service, and power engineering general contracting. The company has strong technical foundation, advanced production equipment, exquisite manufacturing technology, rich project experience, and perfect service support. Our company is committed to applying advanced manufacturing technology and strict quality control standards to every product. The price is competitive and the product is quality-assured, which is a good choice for your long-term cooperation.

10kV SCB12 Dry Type Transformer
Adopting dry insulation structure, there is no risk of oil leakage, which can effectively prevent transformer failure caused by aging or leakage of liquid insulating medium.
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10kV S11series Oil Immersed Distribution Transformer
- Low loss, 25% lower than S9 type transformer loss
- No-load current is greatly reduced, noise is also greatly reduced, and it also has the characteristics of energy saving and high...
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10kV S13 Series Oil Immersed Distribution Transformer - L...
Environmental protection and energy saving: As a green energy-saving flagship product for urban-rural power grid upgrading, the S13 transformer adheres to eco-friendly design—adopting...
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10kV SCB14 Dry Type Transformer
The SCB14 transformer has high reliability and can operate stably for a long time. The design structure of the SCB14 transformer makes it more complete and reliable, thus ensuring the safety and...
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10kV SCB18 Dry Type Transformer
SCB18 dry-type transformer adopts new insulation materials and design concepts, has better insulation performance and thermal stability, can effectively reduce energy loss and improve energy...
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10kV S20series Oil Immersed Distribution Transformer
Environmental protection and energy saving: S13 transformer is a green energy-saving equipment that is beneficial to environmental protection and is the latest product promoted and used in urban...
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Why Choose Us

Production equipment

Our company has WR horizontal winding machine; ZBR-1000 fully automatic wire arrangement machine; ZBR-1000 shearing machine; ZY-50 vacuum oil filter and other equipment.

Our certification

Our company has passed ISO9001:2008 quality management system certification, ISO14001:2015 environmental management system certification, OHSAS18001:2007 occupational health and safety management system certification.

Production market

Our products are sold to most provinces in the country, including Heilongjiang, Shanxi, Qinghai, Xinjiang, Tibet, Sichuan, Henan, Hunan, Hubei, Yunnan, etc.

Our service

The company wholeheartedly provides customers with meticulous and professional consulting services, has professional technical personnel, follows standard specifications, clarifies customer needs, strictly controls quality plans, quantifies the implementation effects of plans, and solves customers' actual problems.

Advantages of Transformer Series

Isolation and productivity

Transformers are incredibly useful devices that have a wide range of applications. They are especially useful in providing electrical isolation between two circuits. There is no electrical connection between the transformer's primary and secondary windings.

Power transmission and distribution

Ac transformers play a critical role in the power system, which includes power generation, transmission, and distribution. Transformers make it possible to distribute electric power over large distances at a reasonable cost.

Stepping voltage and current up and down

Transformers are vital in power distribution and electronic systems. Reducing the high voltage in transmission at substations makes it possible for end-users to get the increased amount of current they need.

Wide range of applications

All transformers work on the same concept but have different applications. They are also different in terms of power, distribution, potential, and isolation efficiency.

Efficiency in terms of costs

A transformer is a great alternative to a more expensive option for voltage level change and isolation. The traditional transformer provides a cheap and very efficient voltage level transformation and isolation method. The total cost of a transformer is not expensive.

Types of Transformer Series

Step-up transformer: The step-up transformer converts the low voltage of the primary coil into higher voltage in the secondary coil. In such transformers, the number of windings in the primary coil is less compared to the number of windings in the secondary coil. When the magnetic flux is produced in the primary coil across the secondary coil, the number of windings which cut the lines of the magnetic flux in the secondary coils is more as a result a higher voltage is produced in the secondary windings.

Step-down transformer: The step-down transformer converts the high voltage of the primary coil into lower voltage in the secondary coil. In such transformers, the number of windings in the primary coil is more as compared to the number of windings in the secondary coil.

Specification Parameters of Transformer Series

Rated capacityKV▪A	Voltage combination and tapping range
Rated capacityKV▪A	High pressure KV	High voltage tapping range%	Low pressure KV
30	10 10.5 11 12	±2×2.5% ±5%	0.4
50
80
100
125
160
200
250
315
400
500
630
800
1000
1250
1600
2000
2500

Applications of Transformer Series

Power generation: Transformers are used in power plants to increase the voltage of the electricity generated by the plant before it is sent to the grid.

Transmission and distribution: Transformers are used in the transmission and distribution of electricity to increase or decrease the voltage of electricity as it is sent from power plants to homes and businesses.

Lighting: Transformers are used in lighting systems to decrease the voltage of electricity before it is sent to light bulbs.

Audio systems: Transformers are used in audio systems to increase or decrease the voltage of electricity before it is sent to speakers.

Electronic equipment: Transformers are used in a variety of electronic devices, including computers, TVs, radios, and cell phones.

Work Environment Of Transformer Series

0 - 40 (℃), relative humidity <70%. Altitude: no more than 2500 meters. Avoid exposure to rain, moisture, high temperature, high heat or direct sunlight. The heat dissipation vents should be at least 40cm away from surrounding objects. Avoid working in places with corrosive liquids, or gases, dust, conductive fibers or metal shavings. Avoid working in places with vibration or electromagnetic interference. Avoid long-term inverted storage and transportation, and avoid strong impact.

Customization Options of Transformer Series

Electrical

Wide input/output specifications, efficiency, class of insulation, duty cycle, DC output, low magnetizing inrush, overload and short-circuit protections, etc.

Mounting style

Open, encapsulated, centre potted, captive inserts, DIN rail mounting, PCB mounting, lifting hooks/eyebolts, special mounting plates, etc.

Physical dimensions

Specific diameter and height, extremely flat in dimensions

Connections

Special cables, sleeving, lead lengths, leads twisting, connectors, etc.

Packaging and Shipping of Transformer Series

Packing	Wooden cases for export
Shipping	Container transport, by sea.
Selling Units	Single item

Other Services of Transformer Series

Make custom transformer	Supply drawing is best, or tells us the size, inductance, resistance and etc.
Lead time	7 to 15 working days or depending on order quantity.
Payment term	T/T , Western Union , PayPal or negotiation.

FAQ

Q: What is the primary purpose of a transformer?

A: A transformer’s primary purpose is to transfer electrical energy efficiently between circuits by stepping up or stepping down voltage levels. This helps in transmitting power over long distances and making it usable for various applications.

Q: How do transformers improve energy efficiency?

A: Transformers reduce energy losses by stepping up voltage for transmission, which lowers current and minimizes resistive losses in power lines. This ensures more efficient power delivery over long distances.

Q: Are transformers environmentally friendly?

A: Yes, transformers contribute to energy conservation by improving transmission efficiency and reducing power wastage. Additionally, they are integral in renewable energy systems, facilitating the integration of solar and wind power into the grid.

Q: Can transformers be customized for specific applications?

A: Transformers can be designed to meet the unique requirements of various industries, including manufacturing, healthcare, and renewable energy systems, ensuring optimal performance.

Q: What are the maintenance requirements for transformers?

A: Transformers require minimal maintenance, such as regular inspections, oil testing (for oil-filled transformers), and checking for any physical or electrical issues. Proper maintenance extends their lifespan and ensures reliable performance.

Q: What is the principle of a transformer?

A: The transformer works on the principle of EMF induction which is governed by Faraday’s laws of induction.

Q: Which type of transformer is used in arc welding?

A: A Step-up transformer is used in arc Welding.

Q: What kind of oil is used in transformers?

A: Transformer oil is mostly used in transformers. These oils are mostly based on mineral oils.

Q: Which transformer is used in homes?

A: Generally, step-down transformers are used in homes although some home appliances such as the microwave uses a step up transformer.

We're professional transformer series manufacturers and suppliers in China, providing high quality products with low price. We warmly welcome you to wholesale cheap transformer series made in China here from our factory. Contact us for customized service.

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