SCB11 Dry Type power transformer Cast Resin Dry Type Transformer
10Kv series
primary voltage: 6-11KV
secondary voltage: 0.4Kv
capacity:30-2500 KVAProduct Description1. Application
1). Our power transformers are especially suitable for installation in draw-out type or fixing type switchgears as well as for power plants, substation, self-consumption transformers, power distribution, transmitter system, earthing system, community power supply system, subway, or those places where small space, fire-control, moisture-proof, are needed. Those up to 10kV can be installed in 650 ~ 1200 mm wide switchgear, up to 20kV in a 1000mm wide switchgear and 35kV in 1400 ~ 1600 mm wide switchgear.
2).Our series reactors are suitable for a power system of 6~10kV.They are connected serially with high voltage parallel capacitor group to depress a wave deformation in the system.
2.Technical Parameters
1).Rated Primary Voltage: 6kV up to 35kV
2).Rated Secondary Voltage: 0.4kV
3).Rated Capacity: 3kVA up to 2500kVA
4).Rated Short-time P. F. Withstand Voltage (r.m.s.) (kV): 20, 25, 35, 50, 70
5).Rated Lightning Impulse Withstand Voltage (Peak) (kV): 60, 75, 125, 170
6).Phase No.: single phase or three phases
7).The Highest Temperature Rise of Windings: 100K
8).Insulation Class: F
9).Cooling Mode: AN or FN
10).Enclosure Protection: IP00, IP20 or custom specified
11).Connection Symbol: Yyn0, Dyn11or II0 or custom specified
12).HV Tapping Range (%): ±5 or ±2×2.5
3. Main Features
1).Low loss, low noise, high operation efficiency
2).High ability of protection against short circuit
3).High mechanical strength
4).Pre-galvanized steel frame, flame-resistant, against corrosion
5).With outstanding fire-proof capability: the epoxy resin is difficult to flame and self-extinguished. So it won't lead to the second disasters, such as an explosion.
6).Cast epoxy resin with high dielectric strength 18~22kV/mm in vacuum process
7).Superior in environmental performance: the epoxy resin is very stable, moisture-proof and dust-proof. It enables dry-type power transformers to run with high reliability under abominable environment.
8) With theimpeccable temperature control and indicating system, dry-type power transformers can be maintenance free. And this offers a great reduction of operation cost.
9).With small volume, light and convenient for installation and alignment
10).No need of a separated room
4. Materials
1).Insulation Material: epoxy resin
2).Winding Material: Aluminum wire or high quality enameled copper wire (foil winding is available for power transformer)
3).Core: core lamination, low loss, cold rolled grain oriented silicon steel
5.This products is especially suitable to be mounted in the movable or firm switch cabinet, whose width is 650-1200mm. SC10-6(10) (IV) is small,fire-proof and wet-proof.
6.The highest temperature rise of the products' windings is 100K, their insulation class is F class, and their cooling mode is ONAN.
Dry Type Transformer Structure
Technical Date
Rated capacity(kVA) | H.V. winding (kV) | Tapping range of high voltage (%) | L.V. winding (kV) | Vector Group | No-load loss (kW) | Load loss (kW) | No-load current (%) | short circuit impedance (%) |
30 50 80 100 125 160 200 250 315 400 500 630 630 800 1000 1250 1600 2000 2500 |
6 6.6 6.6 10 10.5 11 |
±5% ±2x2.5% |
0.4 |
Dyn11 | 0.17 0.24 0.33 0.36 0.42 0.49 0.56 0.65 0.79 0.88 1.05 1.21 1.17 1.37 1.59 1.88 2.21 2.75 3.24 | 0.71 1.00 1.38 1.57 1.85 2.13 2.53 2.76 3.47 3.99 4.88 5.88 5.96 6.96 8.13 9.69 11.73 14.45 17.17 | 2.6 2.2 2.2 2 1.8 1.8 1.6 1.6 1.4 1.4 1.4 1.2 1.2 1.2 1.1 1.1 1.1 1.0 1.0 | 4 4 4 4 4 4 4 4 4 4 4 4 6 6 6 6 6 6 6 |
Our workshop
Company Introduction
Qingdao Hengfengyou Electrical Engineering Co., Ltd. (hereinafter referred to as Hengfengyou) is a large-scale enterprise group with electricity transmission and distribution as its main business,which integrates scientific research, development, manufacturing and trade. After 30 years rapid economy development in China, Hengfengyou now is a leading R & D, manufacturing and service base for MV , HV and ultra-HV power distribution equipment in China. At present,we have 50 senior technicians and more than 300 employees, with a complete sales and service system. Our products sell well at home and abroad, and our annual output value adds up to $100 million. .
At present, Hengfengyou has 6 wholly-owned and holding subsidiaries, which are respectively engaged in R & D, manufacturing and service of transformers, switchgear, package/unit substation, pole-mounted high-voltage vacuum circuit breakers, new energy, and electrical engineering. For a long time, the company has maintained close technical exchanges and cooperation with domestic and foreign universities, scientific research institutes and electric power enterprises. Hengfengyou independently designed and developed SCB series dry-type transformer and SC series oil immersed transformer. Our product performs with high operation efficiency, and obvious energy conservation. The overall performance index reaches the world's advanced level. The company also maintains long-term strategic partnership with Schneider, ABB, Simens, Chint and other electric suppliers. We absorbed foreign advanced experience in electrical equipment production and independently designed and developed a series of substation equipment, which realized the automation and intelligence of the substation, and of which the performance has been highly recognized by the user at home and abroad. In the following five years, the company plans to build an intelligent workshop with an annual output of 100000 transformers.Then,the intelligent robot will replace 80% of the existing labor force, which will greatly improve the production efficiency, lower production cost, and produce more energy-saving, environmentally friendly, more safe and reliable the product for the users!
Under China's one belt, one road policy and as an outstanding one of China manufacturing enterprises of power transmission and distribution equipment, Hengfengyou has provided reliable electrical products and services for more than 50 countries and regions in the world. A good reputation of the brand name "HFY" was established in the global market, and won wide recognition and trust from customers. In the new era, the company will adhere to the service concept of "global intelligent electric service provider, make life better", and adhere to the enterprise tenet of "integrity, innovation, customer achievement". We take "high quality products, wholehearted service" as the team spirit, and provide more excellent products and services for customers at home and abroad. Hengfengyou sincerely hope to establish with clients at home and abroad long-term win-win cooperation facing the future!HFY Certificate
The Finished Power Project Our Services1.Pre sale service
a. make technical solution
b. send quotation, technical data sheet and drawing
c. prepare power transmission plan, testing plan and shipment plan
2. In sale service
a. supervise the manufacturing schedule totally in accordance with the plan
b. send photos to customer during every manufacturing process(hold point)
c. inform the customer one week before testing.
d. quick response within 12 hours any time.
3. After sale service
a.All parts are under Two Years Warranty with defects from manufacturer. All spare parts and component can be offered for free from the original manufacturer or HFY.
b. Training
We will provide free training to your technician free of charge at our factory site in Qingdao, China. The total training period would be 2 working days. All travel and related expensed would be at the purchaser's expense.
c. Technical Documents:
Original operation and service manuals, the service manual is completed with wiring diagram, block diagram and trouble shooting information.
d. Installation
Usually, clients can do the installation and operation by themselves when following the detailed English user manual. If clients want our technician do this work, please read the following terms:
The initial installation is not included with the professional HFY team member. All installation with the Hengfengyou team must be scheduled at least 4 weeks in advance before actual trip taken. All necessary connectivity must be ready prior the service being scheduled.
While Hengfengyou team member arrives at the site for a complete and final installation, two days training course will be provide to the customer for operation and maintenance procedure. The initial installation is provided within 5 working days excluding travel days. The actual installation days may vary, based on different machine mode. Each day of working hour consist at 8 working hours. Any additional day will be charge according to our service fee listed below.
When initial installation is being called for the Hengfengyou team required, the surcharge will be made in advance by the purchase at US$100/person/day plus all travel expenses. Travel expenses; local and destination transportation charges (air, train, ferry, bus, taxi or any means of transportation required to arrive to/from destination); accommodation (minimum of 3 star hotel facility) and 3 daily mealsThe Exhibition And Team
FAQQ1: Is OEM/ODM available?A1: Yes, it is! Our products can be Customized. We have design and engineer teams,we can customize products according to customers' drawing or requirements.Q2: What's your MOQ?
A2: One Set.Q3: How is the delivery time?
A3: It depends your order quantity and it normally takes about 15-20 days.Q4: How do you control the quality?
A4: We have QC team comply with TQM to ensure the quality. Each step is in compliance to the standards. At the same time, we will take photos and shoot video for you if you need.Every product will be fully assembled and carefully tested before packing and shipping.Q5: How long is the warranty?
A5: Within one year from the sale date, if there are any accessory problems, you just provide the photos of damaged accessory, then we will provide free accessory. According to the number of products, we will provide easily damaged accessories for free. We also can provide technical support if you need.