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State Grid connected enterprises Power Transformer
POWER TRANSFORMER
Anhui Wanxiang Electric Power Equipment Co., Ltd.
Anhui Wanxiang Electric Power Equipment Co. LTD Scientific and Technological Innovation Achieves a Century of Wanxiang
SCB10 series (11/12/13/14/18)
Dry-Type Distribution Transformer
scope of application：
Our products demonstrate exceptional environmental adaptability, meeting European HD464
standards with environmental grade E2, weather resistance grade FC2, and flame retardancy
grade F1. They are suitable for diverse environments and harsh operating conditions, including
commercial-residential complexes, subways, power plants, ships, and offshore drilling platforms. Product model description:
The transformer model numbering system is established in accordance with the Ministry of
Machinery and Electronics 'JB/T3837' Method for Model Numbering of Transformer Products'. S C （B） X - - XXX / XX
High-voltage rated volt- age (kV), rated capacity
(kVA): Type \"10\" and \"11\" products
Copper conductor, boxtype winding
Formed resin casting type
three-phase
1
Xiang Electric Power wan xiang Electric
Anhui Wanxiang Electric Power Equipment Co. LTD Scientific and Technological Innovation Achieves a Century of Wanxiang
Production scope:
Rated capacity: ≤2500kVA AN (FN) Voltage level: ≤35kV
Phase number: single-phase or three-phase Frequency: 50Hz or 60Hz
Dielectric level
Rated voltage
Power frequency with- stand voltage (effective
value)
Impulse voltage
（ peak value）
kV kV kV
6 20 60
10 28 75
20 50 125
35 70 170
performance criteria：
The resin-cast distribution transformers manufactured by our company not only meet the
low-loss and low-noise requirements specified in GB6450, IEC726, DIN42523, GB/T
10228-1997, and GB20052-2020 standards, but also demonstrate superior performance
compared to these specifications. technological superiority：
1. Low partial discharge value; 2. Strong lightning impulse resistance capability; 3. Excellent
short-circuit resistance capability; 4. Superior anti-dry cracking performance;5. High overload
capacity; 6. Excellent flame retardancy; 7. Low noise level;
2
Xiang Electric
Power wan xiang Electric
Anhui Wanxiang Electric Power Equipment Co. LTD Scientific and Technological Innovation Achieves a Century of Wanxiang
Xiang Electric Power wan xiang Electric S9 series (11/13/20/22)
Oil-Immersed Distribution Transformer
scope of application：
Oil-immersed transformers utilize oil as the primary insulating medium and cooling medium,
featuring various cooling methods such as self-cooling, air-cooling, water-cooling, and forced oil
circulation systems. Key components include the iron core, windings, oil tank, oil reservoir, breather, explosion-proof pipe (pressure relief valve), radiator, insulating bushings, tap changers, gas relays,
thermometers, and oil purifiers. These transformers are particularly suitable for power grid upgrades
in urban and rural areas as well as industrial and mining enterprises, and are especially
recommended for use in modular transformers and prefabricated substation transformers. Product model description:
The transformer model numbering system is established in accordance with the Ministry of
Machinery and Electronics 'JB/T3837' Method for Model Numbering of Transformer Products'. S F Z 口 2000 / 35
rated voltage （kV）
Rated capacity (kVA)
loss level code
Load-dependent voltage regulation
(without Z indicates no excitation
voltage regulation) with air cooling
(without F indicates self-cooling)
three-phase
Products at the 35kV voltage level are categorized into low-voltage distribution transformers (0.4kV) and low-voltage
power transformers (3.15– 11kV). Loss level codes include \"9\", \" 10\", and \" 11\" for product types, while voltage
regulation methods are classified as on-load voltage regulation and non-excitation voltage regulation. 3
Anhui Wanxiang Electric Power Equipment Co. LTD Scientific and Technological Innovation Achieves a Century of Wanxiang
Xiang Electric
Power wan xiang Electric technological superiority：
Our company manufactures the S11-M three-phase fully sealed distribution transformer, an energy- efficient product featuring advanced performance technology, innovative manufacturing processes, reliable
structure, and aesthetically pleasing design. 1 、 The product's iron core utilizes high-quality, highly magnetic grain-oriented cold-rolled silicon
steel sheets. Compared to the Type 9 product of equivalent capacity, it achieves a 30% reduction
in no-load loss, over 30% decrease in no-load current, and noise reduction of 5-8 dB(A). 2、 The product coil adopts a novel winding method, featuring robust construction, high mechanical
strength, strong short-circuit resistance, and safe, reliable operation. 3 、 The product adopts a corrugated oil tank design, where the volume change of transformer oil is regulated
by the elasticity of corrugated plates. This eliminates the need for an oil storage cabinet, ensuring complete isolation between transformer oil and air, thereby extending the transformer's
service life. 4 、 Compact in size, occupying minimal floor space,
featuring an aesthetically pleasing design, and requiring
reduced maintenance. SH15 (SBH21/SBH25) series
Oil-Immersed Amorphous Alloy Distribution Transformer
The SH15-M series amorphous alloy oil-immersed transformers represent a next-generation energy- efficient product developed to meet market demands. Featuring a magnetic circuit constructed with advanced
amorphous alloy materials that exhibit superior magnetic conductivity and ultra-low specific losses, these
transformers can replace silicon steel core transformers in both outdoor and indoor power distribution
systems. Their technical specifications achieve industry-leading performance benchmarks domestically, demonstrating over 60% reduction in no-load losses compared to S11-type distribution transformers. The fully
sealed design ensures complete isolation of insulating oil and dielectric media from ambient air, enabling
reliable operation in humid environments. This innovative solution serves as an ideal power distribution
equipment for urban and rural power networks. The product's performance parameters comply with JB/T10318-2002 \"Technical Parameters and
Requirements for Oil-Immersed Amorphous Core Distribution Transformers\". Compared to the S11 model,
this product exhibits only 33% no-load loss while maintaining identical load loss characteristics. This
significantly reduces operational costs for users, demonstrating exceptional social and economic benefits. The 10kV-grade amorphous alloy core sealed distribution transformer developed by our company can
replace silicon steel core transformers and is widely applicable to both outdoor and indoor power distribution
systems. Compared with similar products, this transformer demonstrates significant improvements in technical
parameters including no-load loss, no-load current, load loss, operational noise, top oil level temperature rise, and high/low voltage winding temperature rise. It is particularly suitable for rural areas with low load rates and
insufficient power supply, as well as regions experiencing significant load fluctuations and challenging
maintenance conditions. Featuring a fully sealed structure, the transformer ensures insulation oil and dielectric
materials remain protected from atmospheric pollution, enabling reliable operation in humid environments. This makes it the most ideal distribution equipment for 10kV power lines in both urban and rural areas. 4
Anhui Wanxiang Electric Power Equipment Co. LTD Scientific and Technological Innovation Achieves a Century of Wanxiang
Xiang Electric
Power wan xiang Electric SCBH15 (17/19) series
Dry Amorphous Alloy Distribution Transformer
scope of application：
Our products demonstrate exceptional environmental adaptability, meeting European HD464
standards with environmental grade E2, weather resistance grade FC2, and flame retardancy
grade F1. They are suitable for diverse environments and harsh operating conditions, including
commercial-residential complexes, subways, power plants, ships, and offshore drilling platforms. Product model description:
The transformer model numbering system is established in accordance with the Ministry of
Machinery and Electronics 'JB/T3837' Method for Model Numbering of Transformer Products'. S C B H X - - XXX / XX
High voltage rated voltage, kV
Rated capacity, kVA
Type \"10\" and \"11\" pro- ducts
Amorphous Alloy Core
Copper conductor, boxtype winding
Formed resin casting type
Three phases
5
Anhui Wanxiang Electric Power Equipment Co. LTD Scientific and Technological Innovation Achieves a Century of Wanxiang
Xiang Electric
Power wan xiang Electric Production scope:
Rated capacity: ≤2500kVA AN (FN) Voltage level: ≤35kV
Phase number: single-phase or three- phase
Frequency: 50Hz or 60Hz
Dielectric level
Rated voltage
Power frequency with- stand voltage (effective
value)
Impulse voltage
（ peak value）
kV kV kV
6 20 60
10 28 75
20 50 125
35 70 170
performance criteria：
The resin-cast distribution transformers manufactured by our company not only meet the
low-loss and low-noise requirements specified in GB6450, IEC726, DIN42523, GB/T
10228-1997, and GB20052-2020 standards, but also demonstrate superior performance
compared to these specifications. technological superiority：
1. Low partial discharge value; 2. Strong lightning impulse resistance capability; 3. Excellent short-circuit resistance capability; 4. Superior anti-dry cracking performance;5 . High overload capacity; 6. Excellent flame retardancy; 7. Low noise level; 8. Minimal noload losses;
6
Anhui Wanxiang Electric Power Equipment Co. LTD Scientific and Technological Innovation Achieves a Century of Wanxiang
7
Xiang Electric Power wan xiang Electric
Anhui Wanxiang Electric Power Equipment Co. LTD Scientific and Technological Innovation Achieves a Century of Wanxiang
Xiang Electric Power wan xiang Electric
8
Scientific and Technological Innovation Achieves a Century of Wanxiang
Anhui Wanxiang Electric Power Equipment Co., Ltd. Address: No.19 Xingyu Road, High-tech Industrial Develo- pment Zone, Lu'an City, Anhui Province
Tel: 0564-3616257 Fax: 0564-3616259
Website:www.ahwanxiang.com
Mail box:anhuiwanxiang959@163.com
