Product Description

Product IntroductionOur 10KV~110KV low-loss oil-immersed transformers are core products independently developed and manufactured in strict compliance with national and international standards (such as IEC) as well as authoritative certifications including CCC, CE and UL, ensuring high quality and compliance Product Features: Adopting advanced structural design and high-quality core materials, the transformers feature low energy loss, stable operation, long service life (service life up to 25 years), strong overload capacity and low noise emission. The oil-immersed insulation structure effectively improves heat dissipation efficiency, enabling the product to operate stably in harsh environments such as high temperature and high humidity. In addition, the product is equipped with a complete protection device, which can timely alarm and cut off the power supply in case of overvoltage, overcurrent and oil leakage, ensuring safe operation.Functions: As a key equipment in power transmission and distribution systems, it mainly undertakes the functions of voltage conversion, power transmission and energy distribution. It can stably convert high-voltage electricity into low-voltage electricity suitable for industrial production and daily life, or convert low-voltage electricity into high-voltage electricity for long-distance transmission, ensuring the stability and reliability of the power grid. At the same time, it has the function of energy saving and consumption reduction, effectively reducing the loss of electric energy in the transmission process. Applications: Due to its excellent performance, the product is widely used in various fields that require stable power supply, including urban power grids, industrial and mining enterprises (such as factories, mines and smelters), residential communities, commercial complexes, transportation hubs (airports, railway stations, ports), power plants and rural power grids. It is an indispensable core equipment for industrial production, daily life and public infrastructure construction. Advantages: Compared with similar products, our oil-immersed transformers have obvious competitive advantages. Firstly, the low-loss design reduces energy consumption and operation cost for users, conforming to the concept of green and energy-saving development. Secondly, the high-quality materials and strict manufacturing process ensure the stability and reliability of the product, reducing the frequency of maintenance and maintenance cost. Thirdly, the complete protection system and strong environmental adaptability make the product applicable to various complex working conditions, improving the safety of use. Finally, we provide customized design services according to the specific needs of users, perfectly matching the actual power supply requirements of different scenarios.

Rated capacity(kVA)	High voltage(kV)	Tap range	Low voltage(kV)	connected group label	No-load loss(w)	Load loss (75ºC)(W)	No-load current(%)	Impedance voltage(%)	Sound power level(dB)
30	6 6.3 6.6 10 10.5 11	±2*2.5 ±5	0.4	Dyn11 Yyn0 Yzn11	70	505/480	0.3	4	48
50					90	730/695	0.24		48
63					100	870/830	0.23
					115	1050/1000	0.22		49
100					135	1265/1200	0.21
125					150	1510/1440	0.2		50
160					180	1850/1760	0.19
200					215	2185/2080	0.18		52
250					260	2560/2440	0.17
315					305	3065/2920	0.16		54
400					370	3615/3440	0.16
500					430	4330/4120	0.16		56
630				Dyn11 Yyn0	510	4960	0.15	4.5
800					630	6000	0.15		58
1000					745	8240	0.14
1250					870	9600	0.13		60
1600					1050	11600	0.12
2000					1225	14640	0.11	5	62
2500					1440	14840	0.11

Main productsCompany ProfileOur ServicesOur CertificatePackage and ShippingTo ensure each box-type substation arrives safely and on time, we have formulated a professional packaging and transportation plan: we adopt a standardized packaging process that involves cleaning and drying the equipment first, wrapping key components with shock-absorbing and waterproof materials, fixing the equipment in a customized solid wooden case with shock-absorbing fillers, and pasting clear labels with product information and handling precautions; all packaging wooden cases are professionally fumigated in line with international customs and quarantine standards to avoid pests, with formal fumigation certificates provided for smooth customs clearance; meanwhile, located in Qingdao, we are close to Qingdao Port, so after packaging, goods are quickly delivered to the port, and we cooperate with professional logistics companies to formulate optimal routes and track shipment in real time, ensuring timely domestic and international delivery.FAQA1: Does your company hold any relevant international quality certifications? Yes, our factory is ISO 9001 Quality Management System certified. Our products comply with international standards such as IEC (International Electrotechnical Commission) and CE. We can also apply for certifications specific to other countries upon customer request.   A2: What is your factory's production capacity? What is the annual output? We operate a modern production base with advanced production lines. Our annual production capacity exceeds 10,000 units. We manufacture oil-immersed and dry-type transformers ranging from 30KVA to 20MVA.   A3: How do you ensure product quality? Our quality assurance spans the entire process:   Source Control: Strict supplier screening and incoming inspection of raw materials.   Process Control: Quality control points established at critical production stages.   Final Inspection: Each transformer undergoes rigorous factory testing before shipment, with test reports provided.   B. About Products & Technology   B1: What types of transformers do you primarily manufacture? We mainly produce:   Oil-immersed transformers: Suitable for outdoor, power plant, and large industrial projects, offering a wide power range and high cost-effectiveness.   Dry-type transformers: Ideal for indoor, commercial buildings, hospitals, data centers, and other locations with high fire safety requirements. B2: What are the primary materials for transformers? Are windings copper or aluminum? We offer both materials:   Copper windings: Higher conductivity, better efficiency, smaller size, high mechanical strength, longer lifespan, but higher cost.   Aluminum windings: Lower cost, lighter weight, fully qualified alternative material. We recommend clients select suitable materials based on project budget, efficiency requirements, and long-term operational costs.C. About Pricing & Payment   C1: Are prices based on EXW, FOB, or CIF? We typically quote EXW (Ex Works) or FOB (Free on Board). We can also provide CIF (Cost, Insurance, and Freight) or other trade terms upon request.   C2: What is the minimum order quantity? For standard products, our minimum order quantity is 1 unit. For customized products, the minimum order quantity is determined through negotiation based on specific specifications.   C3: What payment methods do you accept? We accept:   T/T (Telegraphic Transfer): Advance payment (typically 50%) + balance paid before shipment (50%). This is the most common method. D. About Delivery & Shipping   D1: What is the delivery lead time? Lead times depend on transformer type and quantity. Typically:   Standard small transformers: 15-30 days. Large or custom transformers: 45-90 days or longer. We will provide an exact delivery timeframe after receiving your specific inquiry.   D2: How do you package transformers to ensure safe transport? We use specialized packaging based on shipping method:   For LCL (Less than Container Load) shipments: Sturdy wooden crates with internal securing and moisture-proofing measures.   For FCL (Full Container Load) shipments: Transformers are securely fastened directly inside the container. All packaging ensures products withstand the harsh conditions of long-distance ocean transport.   D3: What are the primary shipping methods? We flexibly arrange sea freight, rail transport, and road transport based on your destination and time requirements. For urgent small shipments, we can also arrange air freight. E. About After-Sales Service   E1: What is the warranty period? We offer a 12-month warranty from the date of manufacture. Extended warranties are available for major components.   E2: How do you provide technical support if the product malfunctions? We offer comprehensive after-sales support:   Remote Guidance: Technical assistance via phone, email, or video conferencing.   On-site Service: Engineers can be dispatched to resolve issues at your location if required (additional fees apply).   Spare Parts Support: We guarantee long-term, stable supply of spare parts View More

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