35kv Find Power Distribution Transformer Price Electric Transformer
product description
The core role is to reduce the 35-kilovolt high-voltage electrical energy to medium and low voltage, supply it to industrial enterprises, urban distribution grids and other user ends, or on the power generation side, increase the generator's output voltage to 35 kilovolts and integrate it into the power grid.
Such transformers usually have a high insulation level and power capacity to meet the transmission requirements of the 35-kilovolt level. Structurally, they include components such as cores, windings, oil tanks, cooling systems, etc. During operation, they need to meet the requirements of high efficiency, stability and safety. It is one of the key devices in power transmission and distribution.
I. Definition and Principles
An oil-immersed transformer is a power transformer that uses mineral insulating oil (transformer oil) as the main insulation and cooling medium. It relies on the convection circulation of the oil to remove the heat generated by the operation of the core and windings, and the oil isolates the air to prevent the insulation of the coils from aging and breakdown.
Core working principle: Electromagnetic induction. The alternating current input on the primary side generates an alternating magnetic field, which is coupled through the iron core, and an induced voltage of different voltages is generated on the secondary side to achieve voltage boosting / voltage reduction power distribution.
II. Core Composition Structure
1. Body (Core Heat Conductive Components)
Iron Core: High magnetic conductivity cold-rolled silicon steel sheets are laminated, forming a magnetic flux path, reducing no-load loss; it is divided into laminated type and amorphous alloy iron core (low-loss energy-saving model).
Winding Coils
High-voltage Winding: Many turns, thin wire; Low-voltage Winding: Few turns, thick wire;
The material is divided into pure copper winding, aluminum winding, and copper-aluminum composite;
Insulation paper and insulation tubes are placed between layers and turns to isolate and prevent short circuits.
Insulation Components: Insulation paper, support rods, pads, lead wire bushings, which separate the high and low voltage windings to ensure electrical insulation.
2. Oil Tank and Cooling System (Oil Storage Shell)
Main Oil Tank: Steel plate welded sealed container, capable of holding transformer oil and soaking the transformer body;
Heat Dissipation Structure
Wave-shaped Oil Tank: Standard for small transformers, the oil tank wall has natural heat dissipation (ONAN);
Plate-type Heat Exchanger: Medium and large-capacity external heat exchangers, large-capacity equipped with fans for forced air cooling (ONAF);
Tube-type Heat Exchanger, forced oil circulation water cooling (for high-power industrial / power station transformers).
Oil Sump (Oil Storage Tank)
Most conventional oil transformers have an oil sump on the top, compensating for the oil volume expansion and contraction caused by temperature changes; it is equipped with a desiccant breather (silicon dioxide drying agent) to filter out water vapor in the air and prevent the oil from getting damp.
American box-type transformers, fully sealed oil transformers have no oil sump, relying on the buffer space inside the oil tank to compensate for the oil pressure.
3. Protection and Safety Accessories
High and Low Voltage Terminals: Ceramic / composite materials, the coil leads protrude from the oil tank, isolating the live conductors from the box body;
Tap Switch: No-excited tap switch (power-off voltage regulation), on-load tap switch (live voltage regulation), adjusting the number of turns to adapt to the voltage fluctuation of the power grid;
Protection Devices
Gas Relay (for oil sump models): Monitoring internal short circuits, gas faults, light gas alarm, heavy gas trip;
Pressure Release Valve: Releases pressure when the internal oil pressure surges due to internal faults, preventing the oil tank from exploding;
Oil Temperature Gauge, Oil Level Gauge: Real-time monitoring of temperature and oil level;
Grounding Terminal: Reliable grounding of the box body and iron core to ensure personal safety.
Fuses: Standard for outdoor distribution transformers on the high-voltage side, resisting lightning overvoltage.
4. Transformer Oil Functions
Cooling: Circulation flow removes the heat of windings and cores;
Insulation: The breakdown strength is much higher than air, isolating the high and low voltage windings;
Antioxidant, moisture-proof: Isolates the air, delaying the aging of paper insulation.
Common Oil Products: Paraffin-based mineral oil, natural ester environmentally friendly oil (flame retardant, environmentally friendly, used for photovoltaic / indoor use).
NOTICE!
Important: Please provide the following information before placing your order:
1. Type of prefabricated substation;
2. Transformer model and capacity requirements;
3. Main wiring scheme for high and low voltage circuits;
4. Specifications and parameters for any special electrical components needed;
5. Desired shell color;
6. Names, quantities, and any other requirements for spare parts and accessories;
Two-year warranty
More than three certifications
15 years of accumulated experience
The main focus of our company lies in the products.
Factory pictures
Display area and dispatch area.
The exhibition we attended
ABOUT OUR COMPANY
Golden Triangle Power Technology Co., Ltd. (stock name: Golden Triangle, stock code: 837424) was established in November 2009. Our company is a prestigious leader in the field of power products, excelling in research, development, production, sales, and technical services. Our extensive product line includes three-dimensional coil core transformers, amorphous alloy core transformers, amorphous three-dimensional coil core transformers, photovoltaic substations, energy storage equipment, high and low voltage switchgear, as well as European, American, Chinese outdoor box substations, and intelligent substations. As a production-service-oriented enterprise with expertise in EPC construction, our cutting-edge products serve a variety of sectors including the State Grid, Southern Power Grid, railways, mines, infrastructure, metallurgy, roads and bridges, and property management.
Golden Triangle has proudly earned numerous certifications including ISO9001:2015 quality management system certification, ISO14001:2015 environmental management system certification, ISO45001:2008 occupational health and safety management system certification, PCCC energy-saving product certification, national mandatory product "CCC" certification, CQC China quality certification, and the AAA credit rating. We are recognized as a national high-tech enterprise, a provincial "specialized, special and new" small and medium-sized enterprise, and among the top 100 most promising scientific and technological enterprises in the province. Additionally, we are honored as a municipal green factory. Our company is equipped with a provincial high-tech enterprise research and development center, an academician workstation, a doctor innovation workstation, 3 invention patents, and 51 utility model patents.
Our products have been showcased in the "Energy Saving and People Benefiting Project" and the "Recommended Catalog of Energy Saving Electromechanical Equipment" by the Ministry of Industry and Information Technology, the Ministry of Finance, and the National Development and Reform Commission. Golden Triangle is the first enterprise in Wenzhou's power industry to receive direct subsidies from the Ministry of Finance for product sales. We have been honored with multiple accolades, including titles for national industrial energy-saving technical equipment products and the first set of products in key fields of provincial equipment manufacturing. Our flagship products like the "SCB13-RL solid triangle iron core dry-type transformer" and the "SBH16-RL solid triangle rolled iron core amorphous transformer" adhere to "Zhejiang manufacturing quality standards." Our company has led the drafting of 10 standards, playing a pivotal role in energy conservation, emission reduction in China's power industry, and the promotion of green energy technology.
Customer visits the factory
FAQ
- Q: Are you manufacturer?
A: Yes, we are manufacturer. Our factory is in Wenzhou China
- Q: Can I get guarantee of products?
A: Yes, every product is 1 year quality warrantee under customer correct using the products.
- Q: Do you have any Certificate?
A: Yes. Each of our unit has CCC, ISO9001 certificate. All the electric parts with CE certificate, If you need any other Certificate, we can help you to get it.
- Q: How to buy it? What about the delivery?
A: Please contact me by email or online, let me know your situation, I will give you professional solution. We have shipping agent can choosing the cheapest and fastest delivery. FOB, CIF, C&F or EXW are no problem for us.
- Q: What's the payment terms?
A: For small testing orders, we can accept Waster union, T/T and Credit card.
For mass orders, we accept t/t and L/C.
- Q: What about the production?
A: Produce time is 4~6weeks.
- Q: Could you offer some spare parts?
A: Yes, no problem.
- Q: What about the maintenance?
A: All the goods past the test, maintenance is very easy.
The company adheres to the quality policy of "quality first, honestservice, strict management, and striving for perfection", and gives back tothe majority of users with first-class technology, first-class quality, and first-class service. We warmly welcome people from all walks of life to visit us forguidance and negotiation, to seek common development, to jointly build a'win-win" and to create a better future with you !