S11 Series 10kv Low Loss Fully Sealed Power Transformer Technical Parameters 400kVA

• Customization: Available
• Application: Power
• Phase: Three
• Model NO.: S11 400KVA
• Core: Core-type Transformer
• Cooling Method: Oil-immersed Type Transformer
• Winding Type: Two-winding Transformer
• Certification: ISO9001, CCC
• Usage: Power Transformer, Distribution Transformer
• Frequency Characteristics: Low Frequency
• Shape of Core: EE
• Brand: Vouchivan
• Series No: S11, S13, S20, S22 Series
• Impedance: 4%-6%
• Voltage Regulato: 5 Steps
• Core Material: Silicon Steel Sheet
• Voltage: 10kv, 20kv and 35kv
• Connection Type: Yyn0 or Dyn11
• Winding Material: Cooper/Aluminum
• Capacity: 30kVA-2500kVA
• Frequecy: 50Hz/60Hz
• Tapping Range: ±5 or ± 2.5%
• Transport Package: Foam, Wooden Box, Cardboard, etc
• Specification: Iron cores, windings, insulated parts and leads
• Trademark: Vouchivan
• Origin: Jiangsu
• HS Code: 8504333000

Product Description

S11 series 10KV power transformer 400KVA
S11 series 10KV low loss fully sealed power transformer technical parameters

Rated Capacity	Voltage combination			Join group label	open circuit losses	Load loss W		short circuit impedance	no-load current
	high pressure(KV)	High pressure tap range(%)	low tension(KV)		W	Yy	Dy	%	%
30	6 6.3 10 10.5 11	±5% or ±2×2.5%	0.4	Yyn0 or Dyn11	100	600	630	4	1.5
50					130	870	910		1.3
63					150	1040	1090		1.2
80					180	1250	1310		1.2
100					200	1500	1580		1.1
125					240	1800	1890		1.1
160					280	2200	2310		1
200					340	2600	2730		1
250					400	3050	3200		0.9
315					480	3650	3830		0.9
400					570	4300	4520		0.8
500					680	5150	5410		0.8
630					810	6200	6200	4.5	0.6
800					980	7500	7500		0.6
1000					1150	10300	10300		0.6
1250					1360	12000	12000		0.5
1600					1640	14500	14500		0.5
2000					1940	18300	18300	5	0.4
2500					2290	21200	21200		0.4

Running conditions
Altitude not exceeding 1000m Maximum indoor or outdoor.
Ambient temperature +40ºC.
Maximum daily average temperature +30ºC.
Maximum annual average temperature +20ºC.
Maximum low temperature -25ºC.
Transformers operating under special conditions can be provided according to customer requirements.

executive standard

1. GB1094.1~2-2013     Power transformer
2. GB/T6451-2015    Technical parameters and requirements of                                                     three-phase oil-immersed power transformer
3. GB1094.3-2017        Power transformer

Product presentation
The S11-10KV series three-phase oil-immersed non-excitation voltage regulation distribution transformer produced by the company has the characteristics of high efficiency and low loss, which can save a lot of power consumption and operating costs, and has significant social benefits. It is a high-tech product promoted by the state.

1. The transformer body adopts a new type of insulation structure, which improves the short-circuit resistance;
2. The transformer core is made of high quality cold rolled silicon steel sheet;
3. The high and low voltage windings of the transformer are made of high quality oxygen-free copper wire, and multi-layer cylinder structure;
4. All fasteners of the transformer are treated with special anti-loose treatment;
5. The transformer oil tank is a corrugated structure, and the cover and edge of the box are completely welded or bolted, which fundamentally prolongs the service life of the transformer oil and insulating materials.

The above standards are subject to the latest released information; Equipment requirements should be based on the corresponding latest national professional standards.

Company profile 
Xuzhou Wojifan Electrical Equipment Co., Ltd. was established in August 2024. The address is located in Pizhou Electronics Industrial Park, Jiangsu Province.Located at the junction of Jiangsu, Shandong, Henan and Anhui provinces, the transportation is extremely convenient and the transportation conditions are unique.

Xuzhou Wojifan Electrical Equipment Co.,Ltd.mainly produces S13, S20, S22 series 10KV, 20KV, 35KV oil-immersed power transformers; SH15 amorphous alloy transformer; SCB12, SCB13, SCB14, SCB18 series 10KV, 20KV, 35KV epoxy resin cast dry type power transformers; SCBH15 amorphous alloy transformer; SGB series non-encapsulated dry power transformer, low loss power transformer such as on-load voltage regulation; Combined American type, box-type substation, etc. The technical standard strictly adopts the international GB10941-2013;GB/T6451-2015,GB/T1094. 11-2007/GB/T10228-
2015 standards.

Our company has won the trust and support of our customers with its excellent quality, comprehensive service and honest cooperation .In addition to the domestic market, our products are exported to Central Europe, Eastern Europe, Southeast Asia, the Middle East, Africa,America, Australia and other regions and countries.

In line with the principle of integrity and honesty, we provide perfect services for new and old customers, so that you can get affordable products, assured equipment and thoughtful service.we provide you with professional technical solutions and services. If you have any problem, please feel free to contact us and our technicians will find a complete solution for you.