High Efficiency Voltage Transformer for Optimal Energy Distribution

• 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 meticulously crafted for use in 10kV / 0.4kV, 50Hz distribution and transformation systems. This high-performance transformer is ideal for a variety of settings, including residential and commercial buildings, public facilities, and industrial and mining enterprises. It is also perfectly suited for power generation companies as well as both urban and rural power grids. Adhering to the prestigious GB1094 power transformer standard, it represents a paradigm of excellence and reliability.

Use Condition
Maximum ambient temperature: +40 ºC. Designed to endure the peak heat of summer days with unwavering performance.
Minimum ambient temperature: -25 ºC. Capable of thriving in the chilliest winter conditions.
Altitude: <1000m. Optimized for efficient operation at standard elevation levels.
Maximum monthly average temperature: 90% (20 ºC). Tailored for stable performance in diverse climatic scenarios.
Installation location: This versatile transformer can be installed both indoors and outdoors, provided the environment is free from fire hazards, explosions, severe pollution, chemical corrosion, and intense vibration.

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 high-tech enterprise at the forefront of innovation, specializing in the development, production, and sales of cutting-edge power transformers and associated solutions. We expertly manufacture a diverse range of distribution transformers, specializing in those designed for 35kV and below, including the SC(B)10, SC(B)11, and SC(B)12 series epoxy resin cast dry-type transformers. Our product line also features Non-sealed H grade dry-type power transformers, S series oil-immersed transformers, and the state-of-the-art S(B)H15-M and S(B)H16-M sealed amorphous alloy transformers. Additionally, we offer the YB series of box substations (European box-type) and the Combined transformer (American type prefabricated substations) for versatile energy solutions.
With years of unparalleled experience, HY TRANSFORMER consistently adheres to a 'top quality' pathway, ensuring that our technology and craftsmanship remain at the pinnacle of the transformer industry. Our comprehensive range of products is extensively utilized across power grids, power supply sectors, coal, metallurgy, petroleum, chemical industries, as well as in construction, port, airport, railway transportation, and urban infrastructure projects, alongside various other sectors. Each of our products proudly carries ISO9001, ISO14001, OHSAS18001, and PCCC Energy-saving Product Certifications, and we have acquired numerous patent certificates. By diligently following and updating national industry standards, we've established a robust management system that emphasizes top-notch materials, precise processes, and stringent inspections, ensuring each phase is meticulously controlled for effective system performance. The exceptional quality and technical service we offer have gained global recognition and acclaim from our customers. Upholding our business principle of 'Stay with best quality, develop with high reputation,' we embrace a 'double-win' strategy to foster fruitful collaborations with all partners. We are committed to advancing the world's green electrical power and warmly invite you to join us. Use our products to contribute to a better world: Let's craft a beautiful future together!

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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.