Product Description
The three-phase isolation transformer is the main component of various power supplies and electrical equipment. It is manufactured using
high-quality materials and advanced technology. The transformer completely insulates the electrical between the primary and secondary
sides and isolates the circuit. That way, a short circuit on the primary side does not affect the secondary side. The three-phase isolation
transformer not only has the function of voltage transformation in the power grid, but also isolates the third harmonic of the power grid from
the equipment, and the primary and secondary plus copper foil shielding, effectively protecting the power grid harmonics from interfering with
the equipment. It is especially suitable for import and export equipment between 0.1KVA-1600KVA, suitable for various three-phase power
supply occasions with AC 50 ~ 60HZ, input and output voltage not exceeding 1600V. Product input and output voltage (three-phase or
multi-channel input and output, etc.), connection method, adjusting tap position, winding capacity allocation, secondary winding equipment,
outer box (selected according to different use environments), can be based on user Requires careful design and manufacturing.
Product Paramenters
| Number of phases: Three-phase to single-phase |
Applicable frequency: 50 / 60Hz |
| Capacity: 0.5KVA-1600KVA |
Noise: ≤35dB (within one meter) |
| Input voltage: 380V (various voltages can be customized according to needs) |
Temperature rise: ≤60 ºC |
| Output voltage: 220V (various voltages can be customized according to needs) |
Insulation resistance: ≥50MΩ |
| Output voltage accuracy: ± 1% |
Electric strength: 3000VAC / 1min |
| Voltage change rate: ≤1.5% |
Design life: 20 years |
| Distortion of output waveform: no distortion (compared with input waveform) |
Connection method: any combination of Y / △ (isolation transformer) |
| Working efficiency: (isolated) ≥98% |
Cooling method: dry air cooling |
| Insulation grade: F |
Overload capacity: 2 times of rated current for 1 minute |
Our Advantages
New cold-rolled oriented silicon steel sheets are used for stacking; H-class temperature-resistant 180 ° enameled wire, bare coil winding is
beautiful and elegant, primary secondary air duct fan is fast, galvanized tripod, vacuum dipping paint, oven drying! Effectively reduce
vibration and noise during operation, increase electrical strength, and introduce new processes and technologies such as the design of high-
temperature-resistant insulating materials, making the product more energy-efficient and quieter. The energy-saving and low-noise coil has a
ventilation slot, and the air flow is smooth, and the coil temperature is quickly and effectively reduced.
Company Introduction
NingboVille Enterprise Co.,Ltd.is a combination of Transformer R&D center, production, sales and after sales service,
possesses of strong technical strength andexcellent manufacturing equipments, as well as modern Office facilities. It
specially produces large scale power transformer and industrial transformers of high quality and reliability. A large share
of its resources are devoted to research and development of industrial and special transformers and reactors for any
special application,such as the iron and steel and electrometallurgical industries.The company main working is suppling,
engineering, designing,manufacturing, executing, and commissioning for transformer .
Why Choose Us
FIRST-CLASS PROCESSING AND TEST EQUIPMENT
We have more than 500 sets of sophisticated, advance production and test equipments, complete and perfect processing equipments, and
scientific and rational processing technology, which guarantee first-class products, Authorized by the Bureau of Zhejiang Technology
Supervision, Quzhou Fangyuan Inspection Company of Power Transmission and Transformation Equipment, whick is based on our testing
center, undertakes the quality inspection of the industry in our province, this is a solid guarantee for our excellent product quality.
BEAUTIFUL ENVIRONMENT
We are confident that good products come from good personnel, and good environment makes qualified personnel. The company is
committed to creating a garden-like working environment for employees. We have green belts, modern standardized workshops and well-
planned parks where we sow our youth; we work hard, so we are harvesting the future.
With the first-class quality products, reasonable price and excellent after-sale services.product not only best-selling all over the country,but
also in the international market have higher credit, such as Thailand, Vietnam, Myanmar, Indonesia, Malaysia,Philippines, Ethiopia and
Nigeria, Saxonstan, Uzbekistan, Korea, Turkey, Sudan, Iran etc. especially in the steel enterprises, VILLE production of transformers
already have high reputation.
Audited Supplier 
){kind=link}
){kind=link}