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• Customization: Available
• Application: Power, Electronic
• Phase: Three
• Model NO.: S11
• Core: Core-type Transformer
• Cooling Method: Oil-immersed Type Transformer
• Winding Type: Two-winding Transformer
• Certification: ISO9001-2000, ISO9001
• Usage: Combined Transformer, Power Transformer, Distribution Transformer
• Frequency Characteristics: High Frequency
• Shape of Core: U
• Brand: Zhonghao
• Name: Step Down Oil Immersed Distribution Transformer
• Capacity: 30~2500kVA
• Capacity2: 10kv, 20kv, 35kv
• Low Voltage: 0.4kVA
• Core Material: Silicon Steel
• Insulation Class: H-Class
• Winding: Cooper/Aluminum
• Enclosure: IP20/IP23
• Model: Sm-Nx1, Sm-Nx2, S11, S13, S11-M, S13-M
• Transport Package: Wooden Box
• Specification: 80X120X120cm
• Trademark: zhonghao
• Origin: Jiangsu China
• HS Code: 85043490
• Production Capacity: 2000PCS/Year

Product Description

Precision Engineered Three Phase Power Electrical Step Down Oil Immersed Distribution Transformer, tailored for superior performance and reliability.

Product Parameters

Rated Capacity (KVA)	Junction group labe	Voltage combination(KV)			No-load current (%)	Load loss (W)	No-load loss (W)	Short circuit impedance (%)
		(H.V.)	Tap range(%)	(L.V.)
30	Dyn11 Yyn0	10 6.3 6	±5   ±2×2.5%	0.4	1.5	630/600	80	4.0
50					1.3	910/870	100
63					1.2	1090/1040	110
80					1.2	1310/1250	130
100					1.1	1580/1500	150
125					1.1	1890/1800	170
160					1.0	2310/2200	200
200					1.0	2730/2600	240
250					0.9	3200/3050	290
315					0.9	3830/3650	340
400					0.8	4520/4300	410
500					0.8	5410/5150	480
630					0.6	6200	570	4.5
800					0.6	7500	700
1000					0.6	10300	830
1250					0.5	12000	970
1600					0.5	14500	1170

Product Description

Our energy-saving, energy-efficient secondary-class oil-immersed transformer is the pinnacle of our innovative efforts at Global Power Equipment (Xuzhou) Co., Ltd. Through extensive research, the application of cutting-edge materials and technologies, and a blend of independent innovation and technological integration, we have optimized and innovatively designed the core and coil structure. This has resulted in a significant reduction of no-load losses and noise, showcasing our sophisticated self-developed product.

Oil-immersed transformers come with a plethora of benefits. They boast excellent heat dissipation capabilities, ensuring the stable operation of the transformer. Their superior insulation performance and high reliability are noteworthy. Furthermore, the ease of voltage adjustment allows these transformers to cater to a variety of electrical needs. With mature technology and cost-effectiveness, oil-immersed transformers stand out as a prime choice in the industry.

Iron Core: Crafted from high permeability magnetic grain-oriented cold-rolled silicon steel sheets, the iron core is a state-of-the-art design. Our unique fully oblique-jointed iron core features a multi-stepped step section, ensuring that the iron yoke and the core maintain equal sections. This innovative approach enhances the overall efficiency and performance of the transformer.

Winding: Our windings adopt a corrugated oil passage design and eschew the immersion paint process, instead utilizing a tightening belt for secure binding. The concentric coil design ensures optimal performance. The high-voltage winding includes taps that meet specific tapping voltage requirements, connected to the tap changer. The switch, mounted on the box cover, allows for voltage adjustments post power cutoff, ensuring flexibility and adaptability.

Safety Protection Device Safety is paramount with our 30-2000kVA transformers, which come equipped with a pressure relief valve. Additionally, a gas relay with an alarm and trip terminal can be installed based on user requirements, providing enhanced safety measures.

Oil Temperature Measuring Device: Our transformers feature a glass thermometer tube holder, positioned at the top of the oil tank and extending into the oil by 120±10 mm, ensuring accurate temperature measurement. For 1000-2000kVA transformers, an outdoor signal thermometer is provided, ensuring precise and reliable temperature monitoring.

Main Product

On-site Installation

Company Profile

Global Power Equipment (Xuzhou) Co., Ltd.is a pioneering intelligent technology enterprise specializing in the R&D, manufacturing, and sales of premium power transformers,
high and low voltage switch cabinets, state-of-the-art box-type substations, and a wide range of supporting products.

Spanning nearly 100,000 square meters, our factory is a sprawling hub of innovation with a registered capital of 60.6 million yuan. Our dedicated team comprises over 300 employees, including 20 party branch members, nearly 20 engineers, and approximately 50 technical personnel with intermediate technical titles. Leveraging cutting-edge domestic technology and production, alongside advanced testing equipment, we adhere strictly to the ISO9000 quality certification system standards. Utilizing computer-aided design, we deliver environmentally friendly, energy-saving, low-carbon, and high-quality products tailored to the diverse needs of each region, perfectly meeting the fundamental requirements of the market and our varied clientele.

Workshop

Global Power EquipmentGlobal Power Equipment always insists on 'striving for progress with science and technology, for survival with quality, for efficiency with management, for market with integrity, and for development with innovation.' We are dedicated to meticulousness and excellence in every detail and process. Our goal is to achieve standardized and systematic management of product quality while accelerating the innovative application, digestion, and absorption of new technologies. Through extensive technical exchanges and cooperation, we focus on the research and development of high-reliability, maintenance-free, intelligent, energy-saving, and environmentally friendly power transmission and transformation equipment products. Our mission is to build a premier R&D and manufacturing base for advanced equipment as a part of our medium and long-term development strategy. We are committed to becoming the world's leading supplier of power equipment, enhancing the 'Zhonghao' brand through exceptional quality, and comprehensively revitalizing China's national industry.

FAQ

Q1. What are your terms of packing? Manufacturer of 11kV Oil-Immersed and Distribution Transformers
A: Typically, we package our products in neutral white boxes and brown cartons. However, if you have a legally registered patent, we can use your branded packaging upon receiving your authorization letters.

Q2. What are your terms of payment?
A: Our payment terms are T/T 30% as a deposit, with the remaining 70% due before delivery. We will provide photos of the products and packaging for your approval prior to the final payment.

Q3. What are your delivery terms?
A: We offer a variety of delivery terms including EXW, FOB, CFR, CIF, and DDU.

Q4. What is the estimated delivery time?
A: Generally, delivery takes 3 to 10 days after we receive your advance payment. The exact delivery time depends on the specific items and the quantity of your order.

Q5. Can you manufacture products based on samples?
A: Yes, we can manufacture products based on your samples or technical drawings. We have the capability to build the necessary molds and fixtures.

Q6. What is your sample policy?
A: We can provide samples if we have the parts in stock. However, customers are responsible for the sample cost and courier charges.

Q7. Do you conduct tests on all your products before delivery?
A: Absolutely, we perform 100% testing on all products before delivery.

Q8: How do you ensure a long-term and strong business relationship?
A: 1. We maintain high quality and competitive pricing to benefit our customers.
2. We treat every customer as a friend and conduct business sincerely, regardless of their origin.