1. Product overview

Our factory's 11kV 630kVA oil filled transformer can be used to complete the voltage rise and fall conversion. The product has excellent energy consumption performance, excellent overload capacity, and long service life of the equipment.In view of the common problems of high operating power consumption, cumbersome daily maintenance, fluctuating power supply voltage, and limited installation space in the industry, this equipment can be effectively resolved to help cooperative customers compress their overall operating expenses and further improve the efficiency of power distribution and the level of electricity safety.
2. Core advantages and functional highlights
Competitive advantage
The company conducted a competitive advantage analysis to identify its strengths and weaknesses compared to its rivals.
Stable electrical performance
The equipment has been optimized with refined electromagnetic structure, and the comprehensive operating efficiency has exceeded 99%. Compared with international standards, no-load loss and load loss are both reduced by 5%. Even if the on-site load fluctuates, the output voltage remains stable, completely avoiding power supply failures caused by voltage offsets.
01
Support full-dimensional customization service
We can provide one-stop customized solutions according to the actual needs of the project, and flexibly adjust the equipment capacity, voltage ratio, connection group, dimensions, protection level, heat dissipation method and supporting accessories. For special use scenarios such as high altitude, high humidity environment, continuous heavy load, etc., special adaptation designs can also be made separately.
02
All factory inspections, quality checks at all levels
Before each transformer is shipped, a full set of special tests will be completed, covering variable ratio, winding resistance, insulation performance, partial discharge, withstand voltage test and many other contents. After the inspection is completed, a complete inspection report and various qualification documents can be issued to meet the requirements of overseas customs clearance, project completion and acceptance.
03
Strong durability and long service cycle
The core components of the equipment are made of high-specification silicon steel sheets, high-quality conductive windings and aging-resistant insulation materials, with anticorrosive housings and fully sealed structures. The standard design has a service life of up to 25 to 30 years, which greatly reduces the frequency of equipment replacement.
04
Lower cost of full cycle use
With its low-loss design, it can save electricity expenses for a long time; the integrated sealing structure simplifies daily maintenance work, and there are fewer vulnerable parts of the whole machine, and the cost of replacement in the later stage can be controlled. The equipment can run continuously for a long time without excessive manual duty.
05
3. Industry application scenarios
Industrial plants and production workshops
Most industrial production scenarios require long-term on-load operation of equipment, and the load conditions change frequently. This 11kV power transformer can withstand short-term overload of 150% of the rated capacity, and the operating temperature rise is controlled stably. It can effectively avoid production shutdowns caused by overheating of equipment and sudden power outages, and ensure the stable operation of the production line and the safety of electricity consumption in the plant.
Public power grids and substations
As the core equipment of the 11kV medium voltage transmission and distribution network, this product has low line loss and strong adaptability to various power grid systems. It can perfectly match the 11kV distribution network, improve power transmission efficiency, and help power grid operators reduce operation and maintenance costs.
New energy projects such as photovoltaic and wind power
The output power of new energy power generation equipment is unstable. This product has outstanding resistance to voltage fluctuations and harmonic suppression, which can ensure the safe integration of photovoltaic and wind power equipment into the power grid and achieve stable power transmission.
Commercial buildings and data centers
Large-scale commercial complexes and data centers require the power supply system to operate continuously for 7×24 hours. This equipment has a stable operating state, low operating noise and high safety factor, and fully complies with the strict power distribution specifications of high-end buildings.
Mining, railway and outdoor infrastructure projects
The equipment is equipped with an IP65 high-protection shell and a professional anticorrosive coating treatment, which can adapt to harsh working conditions such as outdoor open air, dust, and corrosive media. At the same time, the equipment has outstanding resistance to mechanical shocks and can operate stably in complex environments in the wild.
4. The reason for choosing us
A formally qualified factory with guaranteed production capacity and delivery time
We are a professional power transformer manufacturer and have successively obtained many international authoritative certifications such as ISO 9001, CE, IEC, etc. The factory is equipped with a standardized production workshop and a full set of production and testing equipment, which can undertake large-scale orders, and the delivery cycle is stable and efficient.
The whole process of quality control, strict quality control
Raw materials are selected and stored in accordance with international procurement standards, and quality inspection links are set up in every production.

19+
Product Experence
33000+m³
Factory Area
39+
Patent Certification
50+
Engineer
Model Number | Rated Capacity | Voltage Combination(KV) | Vector Group | No-load Loss | Load Loss | No-load Electricity | Short Circuit Resistance | ||
High Voltage | Tap Range | Low Voltage | |||||||
S13-M-30 | 30 | 6 | ±5% | 0.4 | Dyn11 | 80 | 630/600 | 1.5 | 4 |
S13-M-50 | 50 | 100 | 910/870 | 1.3 | 4 | ||||
S13-M-63 | 63 | 110 | 1090/1040 | 1.2 | 4 | ||||
S13-M-80 | 80 | 130 | 1310/1250 | 1.2 | 4 | ||||
S13-M-100 | 100 | 150 | 1580/1500 | 1.1 | 4 | ||||
S13-M-125 | 125 | 170 | 1890/1800 | 1.1 | 4 | ||||
S13-M-160 | 160 | 200 | 2310/2200 | 1.0 | 4 | ||||
S13-M-200 | 200 | 240 | 2730/2600 | 1.0 | 4 | ||||
S13-M-250 | 250 | 290 | 3200/3050 | 0.9 | 4 | ||||
S13-M-315 | 315 | 340 | 3830/3650 | 0.9 | 4 | ||||
S13-M-400 | 400 | 410 | 4520/4300 | 0.8 | 4 | ||||
S13-M-500 | 500 | 480 | 5410/5150 | 0.8 | 4 | ||||
S13-M-630 | 630 | 570 | 6200 | 0.6 | 4.5 | ||||
S13-M-800 | 800 | 700 | 7500 | 0.6 | 4.5 | ||||
S13-M-1000 | 1000 | 830 | 10300 | 0.6 | 4.5 | ||||
S13-M-1250 | 1250 | 970 | 12000 | 0.5 | 4.5 | ||||
S13-M-1600 | 1600 | 1170 | 14500 | 0.5 | 4.5 | ||||
S13-M-2000 | 2000 | 1360 | 18300 | 0.4 | 5 | ||||
S13-M-2500 | 2500 | 1600 | 21200 | 0.4 | 5 | ||||
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