Product Description

Introducing our cutting-edge, fully sealed distribution transformer, ingeniously crafted for seamless integration into 10kV / 0.4kV, 50Hz distribution and transformation systems. This exceptional performer is a dynamic asset, perfectly suited for deployment across a wide array of environments including residential and commercial structures, public facilities, and industrious settings. It stands unrivaled in mining enterprises, power generation hubs, and both urban and rural power grids. Complying with the rigorous GB1094 power transformer standards, this product exemplifies quality and reliability, solidifying its place as an industry leader.
Use Condition
Maximum ambient temperature: + 40 ºC. The transformer thrives even as the temperature climbs, ensuring steady operation.
Minimum ambient temperature: - 25 ºC. Designed to withstand the cold, delivering consistent performance without compromise.
Altitude: < 1000m. Optimized for peak performance within this elevation range, ensuring efficiency and reliability.
Maximum monthly average humidity: 90% (20 ºC). Expertly engineered to function seamlessly, even in high humidity environments.
Installation location: Suitable for both indoor and outdoor settings, given the absence of fire, explosion risks, severe pollution, chemical corrosion, and intense vibration. This ensures durability and optimal operation throughout its lifespan.

TechnicaldataofS11-M 10kVthree-phasefullsealnonexcitationvoltageregulatingdistributiontransformer
Rated capacity(kVA) |
Voltage Combination |
Connection Symbol |
No-Load Loss (W) |
Load Loss (W)75ºC |
No-Load Current (%) |
Short Circuit Impedance (%) |
High Voltage (kV) |
High Voltage Tapping Range(%) |
Low Voltage (kV) |
30 |
6
10
10.5
11 |
±5(or) ± 2 × 2.5 |
0.4 |
Dyn11( or) Yyn0 |
100 |
630/600 |
2.3 |
4 |
50 |
130 |
910/870 |
2 |
80 |
180 |
1310/1250 |
1.9 |
100 |
200 |
1580/1500 |
1.8 |
125 |
240 |
1890/1800 |
1.7 |
160 |
280 |
2310/2200 |
1.6 |
200 |
340 |
2730/2600 |
1.5 |
250 |
400 |
3200/3050 |
1.4 |
315 |
480 |
3830/3650 |
1.3 |
400 |
570 |
4520/4300 |
1.2 |
500 |
680 |
5410/5150 |
1.1 |
630 |
810 |
6200 |
1 |
4.5 |
800 |
980 |
7500 |
1 |
1000 |
1150 |
10300 |
1 |
1250 |
1360 |
12000 |
0.9 |
1600 |
1640 |
14500 |
0.8 |
2000 |
1940 |
18000 |
0.8 |
2500 |
2300 |
21000 |
0.6 |
TechnicaldataofS11-M 11kVthree-phasefullsealnonexcitationvoltageregulatingdistributiontransformer
Rated capacity(kVA) |
Voltage Combination |
Connection Symbol |
No-Load Loss (W) |
Load Loss (W)75ºC |
No-Load Current (%) |
Short Circuit Impedance (%) |
High Voltage (kV) |
High Voltage Tapping Range(%) |
Low Voltage (kV) |
30 |
6
10
10.5
11 |
±5(or) ± 2 × 2.5 |
0.4 |
Dyn11( or) Yyn0 |
80 |
630/600 |
2.1 |
4 |
50 |
100 |
910/870 |
1.9 |
80 |
130 |
1310/1250 |
1.8 |
100 |
150 |
1580/1500 |
1.6 |
125 |
170 |
1890/1800 |
1.5 |
160 |
200 |
2310/2200 |
1.4 |
200 |
240 |
2730/2600 |
1.3 |
250 |
290 |
3200/3050 |
1.2 |
315 |
340 |
3830/3650 |
1.1 |
400 |
410 |
4520/4300 |
1.0 |
500 |
480 |
5410/5150 |
1.0 |
630 |
570 |
6200 |
0.9 |
4.5 |
800 |
700 |
7500 |
0.8 |
1000 |
830 |
10300 |
0.7 |
1250 |
970 |
12000 |
0.6 |
1600 |
1170 |
14500 |
0.6 |
2000 |
1360 |
18000 |
0.5 |
2500 |
1610 |
21000 |
0.4 |
Technical data of S11-M type 20kV three-phase full sealnonexcitationvoltageregulatingdistributiontransformer
Rated capacity(kVA) |
Voltage Combination |
Connection Symbol |
No-Load Loss (W) |
Load Loss (W)75ºC |
No-Load Current (%) |
Short Circuit Impedance (%) |
High Voltage (kV) |
High Voltage Tapping Range(%) |
Low Voltage (kV) |
30 |
20 |
±5(or) ± 2 × 2.5 |
0.4 |
Dyn11( or) Yyn0 |
100 |
690/660 |
2.1 |
5.5 |
50 |
130 |
1010/960 |
2.0 |
63 |
150 |
1200/1150 |
1.9 |
80 |
180 |
1440/1370 |
1.8 |
100 |
200 |
1730/1650 |
1.6 |
125 |
240 |
2080/1980 |
1.6 |
160 |
280 |
2540/2420 |
1.4 |
200 |
340 |
3000/2860 |
1.3 |
250 |
400 |
3520/3360 |
1.2 |
315 |
480 |
4210/4010 |
1.1 |
400 |
570 |
4970/4730 |
1.0 |
500 |
680 |
5940/5660 |
1.0 |
630 |
810 |
6820 |
0.9 |
6 |
800 |
980 |
8250 |
0.8 |
1000 |
1150 |
11330 |
0.7 |
1250 |
1360 |
13200 |
0.7 |
1600 |
1640 |
15950 |
0.6 |
2000 |
1940 |
19140 |
0.6 |
2500 |
2300 |
21000 |
0.5 |
Technical data of S13-M type 20kV three-phase full sealnonexcitationvoltageregulatingdistributiontransformer
Rated capacity(kVA) |
Voltage Combination |
Connection Symbol |
No-Load Loss (W) |
Load Loss (W)75ºC |
No-Load Current (%) |
Short Circuit Impedance (%) |
High Voltage (kV) |
High Voltage Tapping Range(%) |
Low Voltage (kV) |
30 |
20 |
±5(or) ± 2 × 2.5 |
0.4 |
Dyn11( or) Yyn0 |
80 |
690/660 |
2.0 |
5.5 |
50 |
100 |
1010/960 |
1.9 |
63 |
110 |
1200/1150 |
1.8 |
80 |
130 |
1440/1370 |
1.7 |
100 |
150 |
1730/1650 |
1.5 |
125 |
180 |
2080/1980 |
1.5 |
160 |
200 |
2540/2420 |
1.3 |
200 |
240 |
3000/2860 |
1.2 |
250 |
280 |
3520/3360 |
1.1 |
315 |
340 |
4210/4010 |
1.0 |
400 |
400 |
4970/4730 |
0.9 |
500 |
480 |
5940/5660 |
0.9 |
630 |
570 |
6820 |
0.8 |
6 |
800 |
680 |
8250 |
0.7 |
1000 |
810 |
11330 |
0.6 |
1250 |
980 |
13200 |
0.6 |
1600 |
1150 |
15950 |
0.5 |
2000 |
1360 |
19140 |
0.5 |
2500 |
1640 |
22220 |
0.4 |
Maintechnicalparametersof800kVA~31,500 kVA: A powerhouse of energy, this capacity stands as a testament to our state-of-the-art engineering, ensuring robust power solutions for industrial applications.kVAThree-phase: A hallmark of advanced power systems, our three-phase transformers are designed for optimal efficiency, ensuring seamless energy distribution across industrial landscapes.-PhaseDouble winding: Engineered for superior performance, the double winding design enhances efficiency and reliability, making it indispensable for high-demand power scenarios.WindingNonExcitation: Essential for flawless transformer operations, it plays a crucial role in sustaining optimal performance and maintaining peak efficiency across power systems.Voltage: The lifeblood of electrical infrastructures, voltage ensures smooth and reliable power distribution, enabling industrial systems to function seamlessly and efficiently.Regulating: This pivotal process ensures stability and consistency in power output, meeting high-performance standards with unmatched precision and reliability. Power Transformer: As the backbone of industrial power supply systems, our transformers deliver unparalleled reliability and efficiency, perfectly tailored for high-capacity operations.
Rated capacity(kVA) |
Voltage Combination |
Connection Symbol |
No-Load Loss (W) |
Load Loss (W)75ºC |
No-Load Current (%) |
Short Circuit Impedance (%) |
High Voltage (kV) |
High Voltage Tapping Range(%) |
Low Voltage (kV) |
630 |
33 |
± 5% |
3.15
6.3
10.5 |
Yd11 |
830 |
7870 |
1.1 |
6.5 |
800 |
980 |
9410 |
1 |
1000 |
1150 |
11540 |
1 |
1250 |
1410 |
13940 |
0.9 |
1600 |
1700 |
16670 |
0.8 |
2000 |
2180 |
18380 |
0.7 |
2500 |
2560 |
19670 |
0.6 |
3150 |
33~38.5 |
3040 |
23090 |
0.56 |
7 |
4000 |
3620 |
27360 |
0.56 |
5000 |
4320 |
31380 |
0.48 |
6300 |
5250 |
35060 |
0.48 |
7.5 |
8000 |
± 5% or ± 2 × 2. 5% |
3.15
3.3
6.3
6.6
10.5
11 |
YNd11 |
7200 |
38500 |
0.42 |
10000 |
8700 |
45300 |
0.42 |
12500 |
10080 |
53900 |
0.4 |
8 |
16000 |
12160 |
65800 |
0.4 |
20000 |
14400 |
79500 |
0.4 |
25000 |
17020 |
94100 |
0.32 |
31500 |
20220 |
112900 |
0.32 |
Main technical parameters of 2000 kVA ~ 20000 kVA three-phase double winding on-load voltage regulating power transformer: Crafted for excellence, this range is marked by superior performance, robust capacity, and precision-engineered design, effortlessly meeting extensive industrial requirements.
Rated capacity(kVA) |
Voltage Combination |
Connection Symbol |
No-Load Loss (W) |
Load Loss (W)75ºC |
No-Load Current (%) |
Short Circuit Impedance (%) |
High Voltage (kV) |
High Voltage Tapping Range(%) |
Low Voltage (kV) |
2000 |
33 |
± 3 × 2. 5% |
6.3
10.5 |
Yd11 |
2300 |
19240 |
0.8 |
6.5 |
2500 |
2720 |
20640 |
0.8 |
3150 |
33~38.5 |
3230 |
24710 |
0.72 |
7 |
4000 |
3870 |
29160 |
0.72 |
5000 |
4640 |
34200 |
0.68 |
6300 |
5630 |
36800 |
0.68 |
7.5 |
8000 |
6.3
6.6
10.5
11 |
YNd11 |
7870 |
40600 |
0.6 |
10000 |
9280 |
48100 |
0.6 |
12500 |
10940 |
56900 |
0.56 |
8.0 |
16000 |
13170 |
70300 |
0.54 |
20000 |
15570 |
82800 |
0.54 |
Main products
Company Profile
HY TRANSFORMER stands as a beacon of innovation in the realm of high-tech enterprises, with an unwavering commitment to revolutionizing the production and distribution of high-caliber power transformers and associated products. Our state-of-the-art manufacturing prowess extends across a wide spectrum, including an impressive array of distribution transformers specially designed for 35kV and below. Our specialty lies in the SC(B)10, SC(B)11, and SC(B)12 series of epoxy resin cast dry-type transformers that signify excellence. Further enhancing our portfolio are the advanced Non-sealed H grade dry-type power transformers, the illustrious S series oil-immersed transformers, and the S(B)H15-M and S(B)H16-M sealed amorphous alloy transformers, which represent the pinnacle of transformer technology. We also proudly offer the YB series of box substations (European box-type) and the groundbreaking Combined transformers (American type prefabricated substations), each crafted with precision to meet your energy needs.
With extensive expertise, HY TRANSFORMER champions a relentless pursuit of 'top quality,' ensuring our technology and quality set the bar in the transformer industry. Our transformers are integral to diverse applications, including power grids, power supply systems, coal mining, metallurgy, petroleum, chemical industries, construction, ports, airports, railway transportation, urban infrastructure, and more. Each product is crafted to surpass rigorous standards, having secured ISO9001, ISO14001, OHSAS18001, and PCCC Energy-saving Product Certification, with a rich array of patent certifications as a testament to our innovation. We diligently adhere to and evolve national industry standards, fostering an exemplary management system. By procuring the finest materials and maintaining stringent process controls and inspections, we ensure meticulous management at every stage of production, allowing our system to operate at optimum efficiency. Garnering global acclaim for our quality and technical service, we steadfastly adhere to our business principle: 'Staying with best quality, developing with high reputation.' Our 'double-win' strategy underscores mutually beneficial partnerships, propelling us to champion the growth of green electrical power on a global scale. We warmly invite you to join our journey, harness our products, and collaborate to forge a brighter future. Seize the opportunity to shape a beautiful tomorrow together!
Company's advantages
Certifications
Exhibition
Packaging & Shipping
FAQ
Q.Are you a trading company or a manufacturer?
A.We are a professional manufacturer of high and low voltage switchgear, substations, transformers, cable distribution boxes and various electrical equipment. We have accumulated 20 years of experience. Our factory is an outstanding supplier of China State Grid Corporation.
Q. Do you offer customized services?
A.We offer OEM/ODM services and can print your logo on the products. Our professional technical and quotation teams can provide satisfactory projects based on your drawings and parameters.
Q. What is your minimum order quantity?
A.Our minimum order quantity is one piece.
Q. How long is your delivery cycle?
A.This depends on your product requirements and quantity. Generally, it will take 5 to 10 working days.
Q. How do you deal with quality issues?
A.Please provide detailed photos of the quality issues. Our technical and quality inspection departments will conduct an analysis. We will offer a satisfactory solution within two days.
Q. What are your payment terms?
A.30% by wire transfer, 70% before shipment. Western Union remittance, letter of credit are also acceptable.