6kv/11kv/33kv/35kv Power/Distribution Transformer with Oil Immersed and Dry Type: Elevate your power distribution systems with our range of cutting-edge 6kv/11kv/33kv/35kv transformers. Our transformers, available in both oil immersed and dry types, are engineered to provide exceptional reliability and efficiency, catering to your diverse power needs with precision and excellence.
The rated voltage can be customized to meet the specific requirements of our valued customers.
The innovative fully sealed oil-immersed power transformer developed by TSTY boasts exceptional features:
Advantages: low loss, low noise, and high efficiency. This transformer delivers outstanding energy-saving capabilities and minimizes pollution. Unlike conventional oil-immersed transformers, our fully sealed transformer eliminates the need for an oil conservator. The oil volume changes are automatically managed by the elasticity of the corrugated oil tank sheet. This design isolates the transformer from the air, preventing and slowing the deterioration of the oil and insulation aging. It significantly enhances operational reliability and eliminates the need for maintenance under normal conditions.
Main Components:
The main parts of this transformer include the Oil Tank, Conservator, Buchholz Relay, Breather Unit, Oil Indicator, Temperature Detector, Pressure Relief Device, Thermal Relay, Radiator, and Bushing.
1. The oil tank is designed to immerse the windings, ensuring efficient cooling and insulation.
2. Compliant with IEC standards and certified by CE/ISO
3. Ensures easy contact and expansion during load changes, facilitating temperature regulation of the oil.
4. The Buchholz relay diagnoses issues such as low oil levels and improper oil flow between the tank and transformer when a conservator tank is used.
5. The Breather Unit contains silica gel that absorbs moisture from the oil, changing color from blue to pink when saturated.
6. The oil indicator shows the oil level within the conservatory unit.
7. The temperature detector tracks the oil temperature, disconnecting the transformer when temperatures rise beyond safe limits.
8. The pressure relief device reduces internal pressure to prevent transformer explosions.
9. The thermal relay indicates the winding temperature.
10. Fully galvanized coating ensures rust resistance.
11. The bushing connects the internal windings of the transformer to the external electrical network.
Prime Service Environment
1. Device Types: Robust Outdoor Type
2. Voltage Regulation Types: Off-circuit or On-load Options
3. Tapping Range: ±5%, ±2x2.5%, ±4x2.5% for Precision Control
4. Frequency: Choose Between 50Hz or 60Hz
5. Phases: Available in Three-phase or Single-phase Configurations
6. Connection Symbol: Dyn11, Yyn0 (or Customized as Requested)
7. Short-circuit Impedance: Adheres to Standard Impedance
8. Optimal Performance: Suitable for Altitudes Up to 1000m and Ambient Temperatures Up to 40°C. For conditions beyond these, we will adjust parameters to maintain standard performance.
Our Oil Immersed Transformer for 33/0.4kv Electrical Use by TSTY ELECTRIC CO., LTD. is engineered for a wide array of applications. Whether it's powering up massive infrastructure projects like waste incineration facilities, the iconic Three Gorges Dam, or the cutting-edge Zhuhai-Hong Kong-Macao Bridge, our transformers are at the forefront. Trusted by the State Grid Corporation, they are indispensable in the coal mining industry, photovoltaic power stations, and compact transformer stations. Additionally, they cater to the needs of standard industrial settings, including factories, mines, hospitals, and buildings. Our transformers also enhance operational efficiency and safety in airports, tunnels, chemical plants, and even nuclear power plants. Wherever there's a need for reliable power transformation, our solutions deliver unwavering performance and excellence.
Comprehensive After-Sales Service
1. At TSTY ELECTRIC CO., LTD., we are dedicated to providing meticulous project design and process planning. Our expert team custom-designs and manufactures products tailored to your specific equipment purchase plans and unique requirements. Additionally, we offer comprehensive training for both technical and operating personnel, ensuring smooth operations for your business.
2. Our newly acquired products come with robust online assistance for seamless installation and debugging. We are committed to a lifelong service system, promising prompt solutions within one working day of receiving user feedback for any issues arising during normal use. Our goal is to restore your product's functionality swiftly. Moreover, our professional technicians conduct regular visits to ensure the long-term, safe, and reliable performance of our products.
3. We pride ourselves on using only premium, authentic materials and adhere to stringent ISO 9001:2000 international quality management standards. Our diligent processes guarantee exceptional quality and effortless installation, ensuring your utmost satisfaction.
Since its establishment in 2011, TSTY Electric Co., Ltd. has emerged as a premier and dependable transformer manufacturer in China. Specializing in the development and production of oil-immersed transformers, dry-type transformers, box-type substations, and high and low voltage complete sets of equipment, our company boasts a reputation for excellence and reliability.
Our state-of-the-art project equipment emphasizes energy efficiency, intelligence, information, and mechanization. We are proud to house the Henan Triangle Energy-saving Transformer Engineering Technology Research Center, possessing an impressive portfolio of 71 utility model patents and 15 invention patents.
With years of extensive experience in the transformer industry and unparalleled technological innovation capabilities,TSTY
Our products have a global footprint, being sold in the Middle East, North America, South America, Europe, Southeast Asia, Africa, and other regions, covering more than 40 countries.
Production Equipment




FAQ
Q: Who are we?
A: We are a large, professional manufacturer specializing in oil-immersed transformers, dry-type transformers, transformer substations, and HV and LV switchgear, established in 2011.
Q: Why should you buy from us and not from other suppliers?
A: With 12 years of expertise in transformer production, we are certified by ISO9001-2008, OHSAS 18001:2007, ISO4001:2004L, CE, CCC, and hold TYPE TEST REPORT certifications.
Q: How are transformers shipped?
A: Transformers are typically delivered by ship, train, or truck for overseas destinations. The main active body is transported in bulk, while accessories are packed in wooden cases.
Q: Can your products be customized?
A: Given the variations in voltage, frequency, and other specifications of transformer products across different countries and
regions, we offer customization to meet your unique requirements.
Q: Do you offer a guarantee for the products?
A: Absolutely. We provide a minimum of a two-year guarantee for all our transformers.
Q: Do you accept FAT (Factory Acceptance Test)?
A: Yes, we do. We ensure thorough testing for each set of transformers.
Q: Do you assign engineers for after-sale service?
A: Yes, we offer comprehensive after-sales support, including installation guidance and troubleshooting assistance for all our products.