With head office located in Yingze District, Taiyuan City, Shanxi Province, Taiyuan Haodong Hengrui Electric Co., Ltd was established in 2006, we have more than 17 years experience in electrical industry. Our company covers an area of 176 square meters.
Our products covers various high and low voltage power equipment and new energy equipment sales and technical development services, such as transformers , transducers, circuit breakers, switch cabinets, switching stations, new energy charging piles, small wind turbines, movable passive lighting , etc. Besides, we are making great efforts to develop new products to meet different requirements
-
Step Down Voltage Converte
$ 41305.00 -
500kva Power Transformer
$ 10000.00 -
5500kva Power Transformer
$ 75714.00 -
750kva Transformer
$ 10985.00 -
20mva Transformer
$ 155718.00 -
2.5mva Transformers
$ 26719.00 -
3000kva Step Down Converters transformer
$ 39285.00 -
8000kva Step Down Converters Transformer
$ 73285.00 -
Transformer And Potential Transformer
$ 2714.00
Why choose us
Our Services
We also welcome O E M and O D M orders, whether selecting a current product from our store or seeking engineering assistance for your application, please do not hesitate to talk to our customer service center about your sourcing requirements.
Our Solutions
Customers are able to contact us via mobile-phone, email, etc. At the same time, we promise that the products sold.
Product Parameters
|
Product Model |
Rated Capacity(kVA) |
Connection Group |
No-Load Loss |
Load Loss(W)(120°) |
|
S11-M-50/35 |
50 |
Yyn0 |
160 |
1200/1140 |
|
S11-M-100/35 |
100 |
230 |
2010/1910 |
|
|
S11-M-125/35 |
125 |
270 |
2370/2260 |
|
|
S11-M-160/35 |
160 |
280 |
2820/2680 |
|
|
S11-M-200/35 |
200 |
340 |
3320/3160 |
|
|
S11-M-250/35 |
250 |
400 |
3950/3760 |
|
|
S11-M-315/35 |
315 |
480 |
4750/4530 |
|
|
S11-M-400/35 |
400 |
580 |
5740/5470 |
|
|
S11-M-500/35 |
500 |
680 |
6910/6580 |
|
|
S11-M-630/35 |
630 |
830 |
7860 |
|
|
S11-M-800/35 |
800 |
980 |
9400 |
|
|
S11-M-1000/35 |
1000 |
1150 |
11500 |
|
|
S11-M-1250/35 |
1250 |
1400 |
13900 |
|
|
S11-M-1600/35 |
1600 |
1690 |
16600 |
|
|
S11-M-2000/35 |
2000 |
1990 |
19700 |
|
|
S11-M-2500/35 |
2500 |
2360 |
23200 |
Key Features
This transformer features a brilliantly optimized design that substantially reduces core and coil losses, leading to a remarkable boost in energy conversion efficiency.
This heightened efficiency enables a significant reduction in operational energy consumption, translating into outstanding cost savings.
Manufactured from top-tier silicon steel sheets using cutting-edge techniques, it effectively minimizes both no-load and load losses, thereby significantly lowering overall operating costs within the power system.
Utilizing oil as a cooling medium, it achieves exceptional heat dissipation through natural convection or forced oil circulation. This ensures stable performance even under intense load conditions, thereby considerably extending the equipment's operational lifespan.
Aligned with both national and international energy conservation standards, this groundbreaking design dramatically reduces carbon emissions and mitigates environmental pollution, positioning it as an exemplary choice for green energy initiatives and contemporary eco-conscious power grids.
The integration of high-strength insulation materials with meticulous engineering ensures safe and reliable operation, even in the most demanding grid environments.
Service condition

- Suitable for indoor or outdoor application
- Air temperature: Maximum temperature: +40ºC; Minimum temperature:-30ºC
- Humidity: Monthly average humidity 95%; Daily average humidity 90% .
- Altitude above sea level: Maximum installation altitude: 2000m.
- Max wind speed:35M/s
- Ambient air not apparently polluted by corrosive and flammable gas, vapor etc.
- No frequent violent shake
- Note: * Beyond those services condition should enquiry to manufacturer technical dept during order
++++ Tests
- Voltage ratio. Polarity and phase relationship test on each tapping
- Resistance of all windings
- No-load current and no-load losses measurement
- Load losses measurement at rated current and frequency
- Impedance voltage measurement
- Induced over-voltage and separate source voltage withstand tests
- Impulse voltage withstand test.
- Noise level test
- Oil leakage test
- Overload test at 150% rated current for one hour after temperature rise test and hot resistance measurement of (HV - LV)

Design and Engineering
Specification Development
The process begins with understanding the customer's requirements, including the desired voltage, capacity, and environmental conditions.
Electrical Design
Engineers design the electrical aspects, including the core, windings, insulation, and cooling system.
Mechanical Design
Simultaneously, mechanical aspects like the enclosure, tank, and mounting features are designed to ensure they can withstand environmental and operational stresses.
Material Selection and Procurement
Due to our rich experience in production and manufacturing for power transformer, we have a wealth of selection advantages and price advantages in the selection of raw materials and suppliers. The quality and price of the products are advantages for us.
Core Material
Grain-oriented electrical steel is typically selected for the transformer core due to its high magnetic permeability.
Copper/Aluminum Windings
High-conductivity copper or aluminum is chosen for the windings.
Insulation Materials
Insulating paper, pressboard, and varnishes are selected based on their dielectric properties.
Tank and Enclosure
The materials for the tank and enclosure (usually steel) are selected for durability and corrosion resistance
Core Construction
In order to assure the implementation ofthe advance design and manufactural tech-nology,some key equipments,moulds andtools had been repleced,moulds andimprovedwith the new technologies to meetthe requrements of product quality.
Core Cutting
The steel sheets are cut into specific shapes and sizes according to the design.
Core Assembly
These sheets are stacked together to form the transformer core, usually in a step-lap formation to minimize losses.
FAQ
As one of the leading power transformer suppliers in China, we warmly welcome you to wholesale cheap power transformer for sale here from our factory. All customized products are with high quality and low price.
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