High-Efficiency 300 kVA Oil Immersed Transformer for Worldwide Applications

Product Description

Product introduction
Coil core fully sealed distribution transformer, is a new generation of low-noise, low-loss transformer developed in recent years, its core without joints, a large reduction in no-load loss and no-load current, so that no-load current reduced by 60%~80%, high and low voltage coil on the core pillar continuous winding, winding tight, good concentricity, more enhanced product anti-theft performance. Noise reduction of more than 10 decibels. Lower temperature rise 16-20K. Due to the continuous winding of the iron core (pure circular cross section), the orientation of the silicon steel sheet is fully utilized, and the no-load loss is reduced by 20% to 30%.
S11, S13 series of fully sealed oil-immersed transformers are suitable for AC 50Hz, the original working voltage 20kV and below the power system, as petroleum, metallurgy, chemical, textile, light industry and other enterprises and large dust places of the distribution transformer.
Oi-immersed distribution transformers

Rated capacdity (kVA)	Voltage combinationand tap range			Vector group symbol	Non-load loss (W)	Load loss (W)	No-load current (%)	Short arauit mpedance (%)
	High pressure (kV)	High pressure tap range (%)	Low pressure (kV)
30	11 10.5 10 6.3 6	±5 ±2×2.5%	0.4 0.69	Yyn0 Dyn11	100	630/600	2.3	4
50					130	910/870	2.0	4
63					150	1090/1040	1.9	4
80					180	1310/1250	1.9	4
100					200	1580/1500	1.8	4
125					240	1890/1800	1.7	4
160					280	2310/2200	1.6	4
200					340	2730/2600	1.5	4
250					400	3200/3050	1.4	4
315					480	3830/3650	1.4	4
400					570	4520/4300	1.3	4
500					680	5410/5150	1.2	4
630					810	6200	1.1	4.5
800					960	7500	1.0	4.5
1000					1150	10300	1.0	4.5
1250					1360	12000	0.9	4.5
1600					1640	14500	0.8	4.5
2000					1960	19800	0.8	5
2500					2310	23000	0.7	5

Application scenarios
S11 series 10-3150KVA/ 10KV series distribution transformers have remarkable energy-saving effects, and its main feature is the use of new core materials. The magnetic circuit is evenly distributed, which greatly reduces the no-load excitation current and no-load loss. Improve the power factor, improve the quality of power supply, because the core is the all-inclined three-joint structure, so reliable operation, small size, light weight, low noise, good process, good heat dissipation, low temperature rise, no hanging core structure, no pollution, no maintenance, high efficiency. S11-10 ~ 31500KVA three-phase oil-immersed fully sealed power transformer is suitable for 10KV, 50Hz transmission and distribution system, for residential areas, commercial streets, industrial and mining enterprises and rural power and lighting.
Shandong Zhifeng Transformer Co., Ltd. is located in the Rainbow Industrial Park at the north end of the East Second Ring Road, Linqing City, Shandong Province, a famous canal city, with convenient transportation, beautiful environment, and outstanding people. The company covers an area of 45,000 square meters. It is a production company integrating oil-immersed transformers, dry-type transformers, special transformers, grounding transformers, arc suppression coils, reactors, box-type substations, American-style box transformers, and various types of boxes up to 35KV. A professional power equipment manufacturing enterprise integrating sales and R&D.
The company strictly follows the operation standards of ISI9001 quality system management. Adopt computer-aided integrated design technology. Combined with the characteristics of various regional environments, we design professional products that meet customer needs to ensure high product quality. The company has advanced inspection and testing equipment such as comprehensive performance test bench, high-performance voltage withstand equipment, program-controlled variable frequency power supply, insulating oil gas chromatograph, acid value tester, insulating oil dielectric strength tester, oil dielectric loss tester, etc. Use vacuum drying equipment, digital winding machines, laser cutting lines and other superior production equipment. The product technology is advanced and the testing equipment is complete. There are more than 100 employees, including 5 senior engineers and 18 intermediate and senior technicians.
Shandong Zhifeng Transformer Co., Ltd. adheres to the concept of "Sincerity and Trust, Climbing the Peak" and takes customer satisfaction as its service purpose; it is committed to providing high-quality, safe, energy-saving, and environmentally friendly power products to global power users.
The transformers produced by the company are of outstanding quality, with excellent prices and excellent after-sales service. We will keep improving and create better products, and look forward to sincere cooperation with new and old customers.
Frequently asked question
Q: Are you a manufacturer, factory or trading company?
A: Yes, we have been engaged in the development, production and operation of transformers for more than 15 years.
Q: What is your warranty?
A: We offer a 12-month warranty.
Q: Production time?
A: 30 to 45 days or depending on order requirements.
Q: What are your payment terms?
A: T/T, L/C or negotiation.
Q: How does your factory conduct quality control?
A: We carry out 100% QC inspection to ensure that every product is qualified. From raw material to final product manufacturing process, we have more than 10 QC inspections.
Q: Do you have any products in stock?
A: Not normally. All our products are manufactured according to your order quantity.
Q: What does a custom transformer need to provide?
A: Technical drawings and technical specification documents are best, or you can tell us some detailed technical specification dates below "Quote and order required information".
Q: Can I have a catalogue and price list for my MOQ trial order?
A: All of our products are made in China or displayed on the official website, you are always welcome to ask us directly for more information.

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