Efficient Voltage Transformer with Wide Temperature Range and Reliability

• Customization: Available
• Application: Power
• Phase: Three
• Model NO.: S9/S11-30-2500KVA
• Core: Core-type Transformer
• Cooling Method: Oil-immersed Type Transformer
• Winding Type: Separated Winding Transformer
• Certification: ISO9001, CCC, ISO14001
• Usage: Single-phase Transformer, Combined Transformer, Power Transformer, Distribution Transformer, Ransmission Transformer
• Frequency Characteristics: Power Frequency
• Shape of Core: CT
• Brand: Hengyi
• Maximum Ambient Temperature: + 60 ºC
• Minimum Ambient Temperature: - 45 ºC
• Altitude: < 2000m
• Maximum Monthly Average Temperature: 90% (20 ºC )
• Transport Package: Maritime Transport
• Specification: 0.32m³
• Trademark: Hengyi
• Origin: China

Product Description

Product Description

Our fully sealed distribution transformer is masterfully designed for optimal performance in a 10kV / 0.4kV, 50Hz distribution and transformation system. This versatile transformer finds its application across a diverse spectrum of environments including residential living spaces, bustling commercial buildings, essential public facilities, industrial complexes, mining enterprises, power generation sectors, and both urban and rural power grids. Engineered to perfection, it adheres to the prestigious GB1094 power transformer standard, ensuring unmatched quality and reliability.

Use Condition
This transformer is engineered to endure a maximum ambient temperature of +40 ºC, ensuring reliability even in heat-stressed environments.
Designed to withstand a minimum ambient temperature of -25 ºC, it performs consistently in colder climates.
It is suitable for altitudes below 1000 meters, maintaining efficiency and performance.
Supports a maximum monthly average humidity of 90% at 20 ºC, effectively managing high-moisture conditions.
Installation location: This transformer can be installed both indoors and outdoors, provided the area is free from fire hazards, explosive risks, severe pollution, chemical corrosion, and intense vibrations.

Technical Data of S11-M 10kV Three-Phase Full Seal Non Excitation Voltage Regulating Distribution Transformer

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

Technical Data of S11-M 11kV Three-Phase Full Seal Non Excitation Voltage Regulating Distribution Transformer

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 seal Non Excitation Voltage Regulating Distribution Transformer

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 seal Non Excitation Voltage Regulating Distribution Transformer

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

Main Technical Parameters of 800kVA ~ 31500kVA Three-Phase Double Winding Non Excitation Voltage Regulating Power Transformer

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

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 pioneering high-tech enterprise dedicated to the innovative development, meticulous production, and strategic sales of power transformers and associated products. We specialize in crafting a comprehensive range of distribution transformers, focusing on those operating at 35kV and below. Our impressive lineup includes SC(B)10, SC(B)11, and SC(B)12 series epoxy resin cast dry-type transformers, H grade non-sealed dry-type power transformers, and the robust S series oil-immersed transformers. Additionally, we offer the advanced S(B)H15-M and S(B)H16-M sealed amorphous alloy transformers, the versatile YB series box substations (European box-type), and the combined transformer (American-type prefabricated substation).
With a wealth of experience, HY TRANSFORMER unwaveringly adheres to its path of "top quality". Our cutting-edge technology and superior quality place us at the forefront of the transformer industry. Our products are extensively utilized across diverse sectors, including power grid, energy supply, coal mining, metallurgy, petroleum, chemical industries, construction, ports, airports, railway transportation, and urban infrastructure. Each product proudly bears the marks of ISO9001, ISO14001, and OHSAS18001 certifications, alongside the prestigious PCCC Energy-saving Product Certification. We boast numerous patent certificates, consistently align with and update national industry standards, and maintain an impeccable management system. By procuring premium materials, observing stringent processes, and rigorous inspections, we ensure each process is meticulously controlled, thereby guaranteeing the effectiveness of our systems. Our commitment to quality and technical service is globally acknowledged, earning us the trust and recognition of customers worldwide. Guided by our business principle of "Stay with best quality, develop with high reputation," we foster a "double-win" collaboration strategy. As we strive relentlessly for the advancement of green electrical power globally, we warmly invite you to join us in using our products to contribute to a better world. Together, let us forge a beautiful future!

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.