Product Description

Introducing our state-of-the-art, fully sealed distribution transformer, meticulously crafted to integrate flawlessly into 10kV / 0.4kV, 50Hz distribution and transformation systems. This powerhouse of efficiency is an indispensable asset, ideal for a vast array of environments ranging from residential and commercial buildings to public infrastructures and industrial sites. It excels in mining enterprises, power generation centers, and both urban and rural power grids. Upholding the rigorous GB1094 power transformer standards, this product embodies excellence and dependability.
Use Condition
Maximum ambient temperature: +40 ºC. The transformer performs impeccably even when temperatures soar.
Minimum ambient temperature: -25 ºC. Engineered to withstand the cold with unmatched performance.
Altitude: <1000m. Optimized for exceptional performance within this elevation range.
Maximum monthly average humidity: 90% (20 ºC). Designed to operate effortlessly in high humidity conditions.
Installation location: Perfectly suited for both indoor and outdoor installations, provided there is no risk of fire, explosions, significant pollution, chemical corrosion, or intense vibration. This guarantees long-lasting and optimal performance.

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~31500kVAthree-phasedoublewindingnonExcitation: Essential for the flawless operation of transformers, excitation serves as the heartbeat of optimal performance and supreme efficiency within power systems, ensuring seamless functionality and longevity.Voltage: The lifeblood and driving force of electrical systems, voltage is indispensable in facilitating smooth, consistent, and reliable power distribution, allowing industrial systems to flourish effortlessly.Regulating: An indispensable process critical for maintaining a stable and consistent power output, regulating remains the cornerstone for meeting rigorous high-performance standards with unwavering precision and impeccable reliability. Power Transformer: As the backbone of industrial power supply systems, our power transformers are engineered to deliver unparalleled reliability and exceptional efficiency, designed specifically to fulfill the rigorous demands of high-capacity operations with excellence.
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: Meticulously crafted for superiority, this transformer range epitomizes exceptional performance with its robust power capacity and precision-engineered design, adeptly meeting extensive industrial requirements with remarkable ease.
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 is a dynamic and pioneering high-tech enterprise committed to the advancement, manufacture, and distribution of premium power transformers and related products. Our expansive production capabilities cover a broad spectrum of distribution transformers, notably specializing in models rated at 35kV and below. These include the SC(B)10, SC(B)11, and SC(B)12 series of epoxy resin cast dry-type transformers. Our product line also boasts cutting-edge Non-sealed H grade dry-type power transformers, the esteemed S series oil-immersed transformers, and the S(B)H15-M and S(B)H16-M sealed amorphous alloy transformers. Moreover, we offer the YB series of box substations (European box-type) and the groundbreaking Combined transformers (American type prefabricated substations).
Drawing from substantial experience, HY TRANSFORMER steadfastly embraces a "top quality" philosophy, positioning our technology and quality at the forefront of the transformer industry. Our products are indispensable across diverse fields such as power grids, power supply systems, coal mining, metallurgy, petroleum, chemical industries, construction, ports, airports, railway transportation, and urban infrastructure. Each product is crafted to meet the most rigorous standards, having passed ISO9001, ISO14001, OHSAS18001, and PCCC Energy-saving Product Certification, bolstered by numerous patent certifications. We diligently adhere to and consistently update national industry standards, cultivating an exemplary management system. By procuring superior materials and enforcing stringent process controls and inspections, we guarantee that every stage of production is meticulously managed, ensuring our systems function at optimal efficiency. Celebrated globally for our exceptional quality and technical service, we are unwavering in our commitment to the business principle of "Staying with best quality, developing with high reputation." Our "double-win" strategy fosters mutually advantageous partnerships, propelling the advancement of green electrical power on a global scale. We warmly invite you to join forces with us, leverage our products, and together pave the path to a brighter future. Embrace the potential to craft a magnificent future 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.