Xiamen Winley Electric Co.,Ltd
Manufacturer · Winley Electric mainly produces various types of transformers rated at 145kV and below. These include three-phase pad-mounted transformers, single-phase pad-mounted transformers, substation transformers, pole-mounted transformers, cast coil transformers, vacuum-impregnated transformers, isolation transformers, control transformers, voltage regulators, and reactors.
- Founded
- 2014
- Headquarters
- Name:Mr. Steven Email :steven@winley-electric.com Tel:86-18650108051 WhatsApp:+8618650108051 Address:No. 99 Yilan Road,Siming,Xiamen,Fujian,China
- Factory Area
- 45,000m²
- Employees
- 220
- Export Ratio
- 70%
- Website
- www.winley-electric.com
- Contact via WhatsApp
About Us
Xiamen Winley Electric Co.,Ltd Founded in 2014, Winley Electric is a professional transformer manufacturer certified by UL and cUL, with over a decade of experience in the power industry. Headquartered in Xiamen, China, the company has established manufacturing facilities in two core cities, Shanghai and Guangdong, respectively.In terms of main products, Winley Electric is capable of producing various types of transformers with a voltage rating of 145KV and below.The products meet ANSI/IEEE/CSA/DOE2016/IEC60076 and other standards and have been exported to more than 60 countries around the world.The main product range includes three-phase pad-mounted transformers, single-phase pad-mounted transformers, substation transformers, pole-mounted transformers, epoxy resin cast dry-type transformers, vacuum impregnated transformers, isolation transformers, voltage regulators, and reactors.Regarding R&D capabilities, the company has dozens of experienced senior engineers who are proficient in transformer standards of various countries, including ANSI, IEEE, CSA, DOE2016, NEMA, and IEC. They can customize cost-effective transformer solutions according to customers' specific requirements. The transformers produced by Winley Electric are renowned for their high quality, low loss, compact size, cost-effectiveness, and safety reliability. With decades of technical accumulation, Winley Electric has become a leading transformer export manufacturer in China, continuously leading the industry standards and having obtained more than 20 patents for independent R&D.In terms of production capacity, Winley Electric has over 200 front-line employees. Among them, 80% have more than 3 years of work experience, and 50% have more than 5 years of work experience. The skill proficiency of employees is far higher than the industry average. In addition, the factories are equipped with advanced production equipment such as silicon steel sheet slitting lines/cross-cutting lines, multi-model foil winding machines/wire winding machines, vacuum constant-temperature drying ovens, two-stage vacuum oil filters, and automated welding equipment. Relying on solid hardware strength and a mature technical team, the company ensures the high-quality delivery of products within the agreed delivery period.For quality assurance, the company has obtained multiple third-party testing and certifications including UL, cUL, ISO, CE, TUV, and EMC. It has established a scientific production management system in strict accordance with the requirements of ISO 9001. Meanwhile, it has set up a transformer material traceability system and a supplier evaluation mechanism to conduct refined quality control over all links in the entire production process. Besides, in addition to conventional testing equipment, the factories have also introduced professional type test equipment such as lightning impulse test devices. All products undergo strict factory inspection in accordance with standard specifications before leaving the factory. The company also provides a 2-year free maintenance service. With multiple guarantees, Winley Electric has built an excellent reputation of "zero quality problems" for its transformer products over the past decade.In the global market, Winley Electric's products are exported to more than 60 countries and regions around the world, and have won high trust from customers in the North American market in particular. The products fully comply with international authoritative standards such as IEEE, ANSI, DOE, and CSA. At the same time, according to customers' actual needs, the company can open UL partner authorization and empower global customers to explore the market with flexible cooperation models.In terms of customer service, Winley Electric provides 24/7 comprehensive technical support for customers. It offers customized solutions based on customers' actual needs, including product selection recommendation, drawing design, accessory selection, acceptance support, transportation plan, and installation guidance, so as to help customers reduce costs and improve efficiency with professional and efficient support.Looking forward to the future, Winley Electric will continue to provide high-quality products and comprehensive services for all partners, and make efforts for the development of global green power.
Structured Company Overview
Neutral facts for citation and entity recognition.
- Legal Name
- Xiamen Winley Electric Co.,Ltd
- Established
- 2014
- Ownership
- Private
- Production Model
- OEM / ODM
- Annual Output
- 35,000 units
- R&D Team
- 35 engineers
- Website
- www.winley-electric.com
Product Specification Database
Each model is a structured row. No narrative descriptions.
| Name | Model | Type | Material | Applicable Industry | |||||
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| SG | VPI Dry-type Transformer | Copper, Aluminum, Steel | VPI transformers are primarily used in medium-voltage and high-voltage power supply applications requiring high insulation reliability, such as power grids, industrial facilities, rail transit, data centers, and new energy projects. | ||||||
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Type VPI Dry-type Transformer Applicable Industry VPI transformers are primarily used in medium-voltage and high-voltage power supply applications requiring high insulation reliability, such as power grids, industrial facilities, rail transit, data centers, and new energy projects. Params Capacity 10 kVA—30 MVA
Primary Vollage 4.76 kV, 15 kV , 23 kV, 34.5 kV or other
Secondary Voltage 208 V - 34.5 kV or other
Insulation Class B、F、H、C、R
Enclosure Type NEMA ratings, NEMA 1, NEMA 3R and NEMA 4
Frequency 50Hz、60Hz
cooling system AA/FA
Standards ANSI,IEEE, IEC,NEMA, DOE or regional standards
Certification UL/cUL、ISO、CE Scope |
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| SCB | Cast coil transformer | Copper, Aluminum, Steel | It is suitable for densely populated places and places with high environmental protection requirements, such as commercial centers, hospitals, schools, etc | ||||||
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Type Cast coil transformer Applicable Industry It is suitable for densely populated places and places with high environmental protection requirements, such as commercial centers, hospitals, schools, etc Params Capacity 30-10000kVA
Primary Vollage 10-35KV
secondary Vollage 0.2-0.6kv or orther
Standard taps +/- 2.5%, +/- 5%
BIL Up to 250kV
Type of voltage regulation off-circuit or on-load
Connection symbol Dyn11 or Yyn0 (or as requested)
Cooling menthod AN or AF
Temperature rise Standard 80°C or 115° rise (others on request)
Enclosures Type 1, 3/3R, 4/4X or 12 available
Frequency 50Hz、60Hz
Standards IEC 60076, ANSI/IEEE C57 Scope |
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| S | Distribution Substation Transformer | Copper, Aluminum, Steel | Substation power transformers are core equipment in medium and high-voltage power transmission and distribution systems, mainly installed in utility substations and distribution substations to convert voltage levels for efficient long-distance power transmission, stabilize grid voltage, and reliably supply electricity to residential areas, commercial districts, industrial parks, and large-scale facilities across urban, suburban, and rural regions. | ||||||
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Type Distribution Substation Transformer Applicable Industry Substation power transformers are core equipment in medium and high-voltage power transmission and distribution systems, mainly installed in utility substations and distribution substations to convert voltage levels for efficient long-distance power transmission, stabilize grid voltage, and reliably supply electricity to residential areas, commercial districts, industrial parks, and large-scale facilities across urban, suburban, and rural regions. Params Capacity ranges from 150Kva to 100Mva
primary voltage range is usually 2.4KV-138KV
secondary voltage range is usually 0.6KV-35KV
Standards including NEMA, ANSI C.57, DOE, and IEEE as applicable Scope |
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| DS | Distribution Pole Mounted Transformer | Copper, aluminum, steel | low-capacity, long-distance overhead power distribution in rural areas, suburbs and small-load urban branches. | ||||||
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Type Distribution Pole Mounted Transformer Applicable Industry low-capacity, long-distance overhead power distribution in rural areas, suburbs and small-load urban branches. Params Capacity:10 kVA -500 kVA。
Types:Conventional type、CSP type
Primary Voltage : 2400V, 7200V, 124 70V , 7620V, 13200V, 7957V, 13800V, 19920V, 34500V, 27600V or others
Secondary Voltage :690Y/400,480Y/277, 208Y/120,240Y/120 or others
Standards: ANSI/IEEE C57、CSA C2.1、CSA C2.2、IEC 60076、AS 60076、ENA TS 35-1 or others Scope |
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| DGS | Single Phase Pad Mounted Transformer | Copper, Aluminum, Steel | small-capacity power supply in residential quarters, commercial streets, rural areas and other low-load density outdoor distribution scenarios | ||||||
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Type Single Phase Pad Mounted Transformer Applicable Industry small-capacity power supply in residential quarters, commercial streets, rural areas and other low-load density outdoor distribution scenarios Params Rated capacity: 15-833KVA
Primary voltage: 34.5kV-19.92kV、24.94kV-14.4kV、13.8kV-7.957kV、13.2kV-7.62kV、12.47kV-7.2kV、 4160GrdY-2400V or others
Secondary voltage: 120-240V、240-480V、347/600V or others
Feed type: Loop feed,Radial feed
Standards: ANSI/IEEE(C57.12.00、C57.12.20、C57.12.38、C57.12.90)、CSA、DOE、NEMA Scope |
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| ZGS | Three Phase Pad Mounted Transformer | Copper, Aluminum, Steel | urban power distribution, residential, industrial and commercial parks, and new energy stations | ||||||
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Type Three Phase Pad Mounted Transformer Applicable Industry urban power distribution, residential, industrial and commercial parks, and new energy stations Params Capacity :75 kVA—5500kVA
Primary Voltage : 34.5KV,24.94KV,13.8KV,13.2KV,12.47KV,4.16KV or others
Secondary Voltage :690Y/400,480Y/277, 208Y/120,240Y/120 or others
Feed Type: Loop feed,Radial feed
Standards: IEEE/ANSI(C57.12.34 ), CSA(C227.4 和 C227.5), IEC, DOE, NEMA Scope |
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Certifications & Compliance
Each record can become a certification entity page.
| Certification | Cert Number | Standard | Authority | Market | Issue Date | Expiry Date | Document |
|---|---|---|---|---|---|---|---|
| CE | BSTXD230622426303EC | EN IEC 61000-6-3:2021 EN IEC 61000-3-2:2019/A1:2021 EN 61000.3-3:2013/A2:2021 EN 61000-6-1:2019 | BST | EU | 2023-06-06 | 2999-01-01 | |
| ISO 45001 | 32123S30110R0S | ISO45001:2018 | CSC | worldwide | 2023-05-22 | 2999-01-01 | |
| ISO 24001 | 32123E30116R0S | ISO14001:2015 | CSC | worldwide | 2323-05-02 | 2999-01-01 | |
| ISO 9001 | 32123030190R0S | IS09001:2015 | CSC | Worldwide | 2023-05-22 | 2999-01-01 | |
| cUL | UL-CA-2325208-0 | ANSI/IEEE C57 | UL Solutions | Canada | 2024-08-27 | 2999-01-01 | |
| UL | UL-US-2329418-0 | ANSI/IEEE C57 | UL Solutions | USA | 2024-08-27 | 2999-01-01 | |
| cUL | UL-CA-2551188-0 | ANSI/IEEE C57 | UL Solutions | Canada | 2025-05-23 | 2999-01-01 | |
| UL | UL-US-2569058-0 | ANSI/IEEE C57 | UL Solutions | USA | 2025-05-23 | 2999-01-01 | |
| cUL | UL-CA-2548224-0 | CSA C227 | UL Solutions | Canada | 2025-04-23 | 2999-01-01 | |
| UL | UL-US-2564931-0 | ANSI/IEEE C57 | UL Solutions | USA | 2025-04-23 | 2999-01-01 | |
| cUL | UL-CA-2423202-0 | CSA C227 | UL Solutions | Canada | 2024-08-21 | 2999-01-01 | |
| UL | UL-US-2431836-0 | ANSI IEEE C57 | UL Solutions | USA | 2024-08-27 | 2999-01-01 |
Applications & Industries
Taxonomy-backed tags to form industry ↔ supplier ↔ product relationships.
| Industry | Country | Working Condition | Project Type | Function | Operation Mode | Special Requirement | Matched Equipment |
|---|---|---|---|---|---|---|---|
| Renewable energy (photovoltaics, wind power) | US,CA,AU | This transformer is used in photovoltaics, wind power and other renewable energy scenarios. The load is intermittent and fluctuating, with long-term light load and short-term overload alternating. The grid voltage fluctuates greatly with harmonic interference. It operates unattended outdoors for a long time under harsh environments, requiring wide voltage regulation, harmonic resistance and high reliability. | Photovoltaic Power Station Projects Wind Power Generation Projects Energy Storage Power Station Projects Microgrid and Multi-energy Complementary Projects New Energy Grid Connection and Collection Station Projects | Transformers rely on electromagnetic induction to convert variable DC power from solar panels/wind turbines to AC power, then step up voltage (e.g., 480V→12.47kV/34.5kV) for grid connection. They ensure compatibility between renewable energy systems and the utility grid, optimize power transmission efficiency, and stabilize fluctuating output from clean energy sources. | 24/7 | Higher insulation and heat resistance for long-term operation under complex grid conditions. Stronger resistance to harmonics, DC bias, and frequent load fluctuations. Higher reliability and stability for outdoor, high-altitude, and harsh environments. Lower no-load loss and higher efficiency to meet energy-saving requirements. Better short-circuit resistance and impact resistance. Strict partial discharge control and quality inspection standards. Adaptation to wide voltage fluctuation range and frequent starting conditions. | High-voltage switchgear Low-voltage distribution cabinet Vacuum circuit breaker Lightning arrester Protection relay Earthing device |
| Data centers and ICT | The transformers for data centers operate in a long-term, continuous, stable and highly reliable condition with high and steady load rate, meeting the requirement of 24-hour uninterrupted power supply. They work in a controlled environment with strict requirements for heat dissipation, noise reduction, fire protection, lightning protection and impact resistance, featuring high overload capacity, low loss and high safety. | Large-scale data center power supply projects IDC computer room transformer supporting projects Cloud computing data center infrastructure projects Modular data center power distribution projects High-availability data center power transformation projects Edge data center power supply projects | Transformers use electromagnetic induction to step down high-voltage grid power to low-voltage (e.g., 480V→208V/120V) compatible with servers and cooling systems. Their key roles include filtering power interference, maintaining voltage stability for high-density computing loads, and ensuring uninterrupted power supply (UPS integration) to prevent data loss. | 24/7 | Require extremely high reliability and stability to ensure 24/7 uninterrupted operation. Low no-load loss and low noise to meet energy-saving and environmental requirements. Strong overload capacity and fast response to sudden load changes. High short-circuit withstand strength and high safety performance. Strict control of partial discharge and temperature rise. Good voltage regulation performance and high power supply quality. Compact structure, convenient installation and maintenance. Comply with relevant data center power supply standards and certification requirements. | High-voltage switchgear Low-voltage distribution cabinet Vacuum circuit breaker Lightning arrester Power cable Protection relay Metering device Earthing device | |
| Electric power industry | US,CA,AU | Operating Conditions of Transformers for Electric Power Industry Long-term, continuous, safe and stable operation under grid conditions. Adapt to frequent load fluctuations and seasonal load changes. Withstand short-circuit impulse, overvoltage and harmonic interference. Suitable for outdoor, indoor, high-altitude and various harsh environments. Meet national grid standards for insulation, temperature rise and noise. High reliability, low loss, long service life and convenient maintenance. | Electric power utilities (power grid/transmission and distribution) | Transformers operate based on electromagnetic induction, converting high voltage to low voltage (and vice versa) to enable efficient long-distance power transmission (reducing energy loss) and reliable distribution. | 24/7 | High short-circuit resistance to withstand grid fault impulses. Excellent insulation performance for overvoltage and lightning impulse. Low loss design to improve grid operation efficiency. Strong adaptability to wide load fluctuations and seasonal changes. High mechanical strength and stable structure for long-term service. Low noise and low temperature rise for environmental protection. Suitable for outdoor, high-altitude, and harsh environmental conditions. Comply with national grid standards and power system specifications. | High-voltage switchgear Low-voltage distribution cabinet Vacuum circuit breaker Lightning arrester Power cable Protection relay Metering device Earthing device |
Industries (3) → Products (6 models) → Certifications (12)
Manufacturing Capabilities
Core processes and equipment available in-house.
Customization
Including customizable electrical performance (rated capacity, voltage levels, connection group, etc.), structure & appearance (product type, cabinet specs, protection class, etc.), environmental adaptation for extreme conditions, optional function expansion (monitoring, protection, communication interfaces, etc.), and specialized designs for special application scenarios.
Monthly Capacity
8,000units
Lead Time
30 days
Export Markets
Over 60 countries worldwide
After Sales
remote support
Quality Control
Factory routine tests and type tests (as per customer requirements)
Project References / Cases
Verified project records. Client names anonymized where requested.
| Client Type | Country | Quantity | Application | Duration | Result | Highlight |
|---|---|---|---|---|---|---|
| Electricity Utility Company | CA | 153 | To supply power to residents and communities | 30 years | Only 7 weeks from order confirmation to container loading, demonstrating strong supply chain and production efficiency(including design confirmation, material preparation, manufacturing, vacuum oil filling, testing and packaging).Professional protective packaging, container loading documentation, and full technical support for installation and commissioning. | 1.Canadian Grid Customization: 153 single-phase 60Hz pole-mounted transformers (15/25/50kVA), multi-voltage, 120/240V output for local multi-scenario use 2.North America Dual Certification: CSA C2.2:06 & UL/cUL certified, direct grid connection, US & Canada market accessible 3.7-Week Fast Delivery: Full process from order confirmation to loading completed in 7 weeks, strong supply chain capability |
Comparative Positioning
Side-by-side benchmarks against peer manufacturers in this segment.
| Compared To | Difference | Performance Gap | Best For | Cost Difference | Efficiency |
|---|---|---|---|---|---|
| American Transformer Factory | production efficiency | The average production cycle of substation transformers in the United States is 80-120 weeks, while Winley Electric’s average production cycle is only 12 weeks | This couple of transformers for substations has a wide range of application scenarios, including power substations, industrial parks, commercial complexes, large buildings, new energy power stations, municipal power distribution networks, heavy industrial bases, and power engineering projects | 20%–30% lower | Produced in accordance with ANSI/IEEE standards and meeting DOE efficiency requirements. |
Risk & Trust Signals
Aggregated data-driven indicators. Not an endorsement.
Purchase & Trade Information
Trading terms and procurement details.
Product Comparison
Comparative analysis against alternative solutions.
| Compared To | Difference | Performance Gap | Best For | Cost Difference | Efficiency |
|---|---|---|---|---|---|
| American Transformer Factory | production efficiency | The average production cycle of substation transformers in the United States is 80-120 weeks, while Winley Electric’s average production cycle is only 12 weeks | This couple of transformers for substations has a wide range of application scenarios, including power substations, industrial parks, commercial complexes, large buildings, new energy power stations, municipal power distribution networks, heavy industrial bases, and power engineering projects | 20%–30% lower | Produced in accordance with ANSI/IEEE standards and meeting DOE efficiency requirements. |