25kVA Oil Immersed Transformer for 11/0.4kv Power Supply

Product Details
Customization: Available
Application: Power, Lighting
Phase: Three
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Year of Establishment
2011-01-12
Management System Certification
ISO9001:2015, ISO14001:2015, IS045001:2018, IS050001:2018
  • 25kVA Oil Immersed Transformer for 11/0.4kv Power Supply
  • 25kVA Oil Immersed Transformer for 11/0.4kv Power Supply
  • 25kVA Oil Immersed Transformer for 11/0.4kv Power Supply
  • 25kVA Oil Immersed Transformer for 11/0.4kv Power Supply
  • 25kVA Oil Immersed Transformer for 11/0.4kv Power Supply
  • 25kVA Oil Immersed Transformer for 11/0.4kv Power Supply
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  • Overview
  • Product Description
  • Product Parameters
  • Product Details
  • Product Display
  • Fields of application
  • Customer Case
  • Packaging & Shipping
  • Company Profile
Overview

Basic Info.

Cooling Method
Oil-immersed Type Transformer
Winding Type
Two-winding Transformer
Certification
ISO9001-2000, ISO9001, CCC, CE
Usage
Power Transformer, Distribution Transformer
Frequency Characteristics
Power Frequency
Shape of Core
Ring
Brand
Tsty
Product Name
Oil Immersed Transformer
Type
Oil-Filled Transformer
Material
Copper / Aluminium
Standard
IEC / GB
Transformer Type
S11 Oil-Immersed Transformer
Vector Group
Dyn11 / Yyn0
Warranty
2 Years
Package
Wooden Case
Frequency
50/60Hz
Coil Material
Aluminum/Copper
Connection Group
Yyn0/Dyn11
Transport Package
Wooden Case or Pallet
Specification
IEC/ANSI/IEEE
Trademark
TSTY
Origin
China
HS Code
8504220000

Product Description

Product Description

Discover the ultimate in power reliability and efficiency with our extensive range of 6kV/11kV/33kV/35kV Power and Distribution Transformers, available in both oil immersed and dry type configurations. Engineered to perfection by TSTY ELECTRIC CO., LTD., our transformers are designed to meet the highest standards of performance and longevity. Whether you need a robust solution for industrial applications or a dependable option for utility power distribution, our transformers ensure seamless and uninterrupted power delivery.

Product Parameters

Number of Phase Three Phase
Winding Type Two Winding
Rated Capacity 200kVA
High Voltage 10/11kV
Low Voltage 0.4kV
Tapping Range ±2x2.5%
Impedance Voltage 4%
Load Loss 2.73/2.6kW
No-load Loss 0.34kW
No-load Current 1.0%
Frequency 50/60Hz
Connection Group Yyn0/Dyn11
Cooling Method ONAN
Coil Material Aluminum/Copper
Size 1240x780x1360mm
Weight 910kg

The rated voltage can be meticulously customized to meet customers' specific requirements, ensuring versatile application.
The fully sealed oil-immersed power transformer, masterfully engineered by TSTY ELECTRIC CO., LTD., offers an unparalleled combination of performance and reliability.
It boasts advantages such as exceptionally low loss, whisper-quiet operation, and remarkable efficiency , resulting in significant energy savings and a reduction in environmental pollution. In contrast to the conventional oil-immersed transformer, this fully sealed variant eliminates the need for an oil conservator. The oil volume changes are adeptly adjusted and compensated by the corrugated sheet's elasticity within the corrugated oil tank. This innovative design ensures the transformer remains isolated from the air, mitigating oil degradation and insulation aging, thereby greatly enhancing operational reliability and making routine maintenance unnecessary under normal conditions.
25kVA Oil Immersed Transformer for 11/0.4kv Power Supply
Product Details

25kVA Oil Immersed Transformer for 11/0.4kv Power Supply
Main Components:
The primary 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 for optimal performance.
2. Complies with IEC standards and comes with CE/ISO certifications.
3. Facilitates easy contact and heat dissipation, ensuring the oil temperature can rise and fall efficiently.
4. The Buchholz relay is essential when a conservator tank is used. It detects errors such as oil loss, low oil levels, and improper oil flow between the tank and transformer.
5. The Breather Unit contains silica gel that absorbs moisture from the oil, changing from blue to pink when it can no longer absorb moisture.
6. The oil indicator shows the oil level within the conservatory unit.
7. The temperature detector monitors oil temperature and disconnects the transformer from service if the temperature exceeds a certain threshold.
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 no rust.
11. The bushing connects the transformer's internal windings to the external electrical network.

25kVA Oil Immersed Transformer for 11/0.4kv Power Supply
Product Display

25kVA Oil Immersed Transformer for 11/0.4kv Power Supply
Service Environment
1. Device Types: Engineered for outdoor use, ensuring durability and reliability in various weather conditions.
2. Type of Voltage Regulation: Available in both off-circuit and on-load regulation to provide flexible and efficient power management.
3. Tapping Range: Versatile tapping options of ±5%, ±2x2.5%, and ±4x2.5% to meet diverse voltage requirements.
4. Frequency: Compatible with both 50Hz and 60Hz power systems, catering to global standards.
5. Phases: Designed for three-phase systems but can also accommodate single-phase configurations.
6. Connection Symbol: Configurable connection symbols such as Dyn11 and Yyn0, or customized as per request.
7. Short-circuit Impedance: Built with standard impedance for enhanced safety and performance.
8. Altitude and Temperature: Suitable for altitudes up to 1000m and ambient temperatures not exceeding 40°C. For conditions beyond these, we will adjust parameters to meet the standard requirements.
Fields of application

Waste incineration projects, the monumental Three Gorges Dam project, the impressive Zhuhai-Hong Kong-Macao Bridge, key infrastructures of the State Grid Corporation, essential coal mines and photovoltaic projects. Our transformers are integral to power stations, compact transformer stations, standard industrial factories, mines, hospitals, commercial and residential buildings, airports, tunnels, chemical plants, and even nuclear power plants, ensuring robust and reliable power supply across diverse sectors.
25kVA Oil Immersed Transformer for 11/0.4kv Power Supply
Customer Case

25kVA Oil Immersed Transformer for 11/0.4kv Power Supply
Dedicated After-Sales Service
1. Our company offers comprehensive project and process design, crafting tailored products to meet your specific equipment purchase requirements. We also provide extensive training for your technical and operational staff, ensuring seamless integration and efficiency.
2. For newly acquired products, we offer online support for installation and debugging. Our products are covered under a comprehensive lifelong service system. If any issues arise during normal use, we guarantee a solution within one working day upon receiving feedback. Our goal is to ensure the product is operational as quickly as possible. Additionally, we conduct regular visits by professional technicians to ensure the long-term, safe, and reliable operation of our products.
3. We utilize high-quality, authentic materials and adhere strictly to ISO9001:2000 international quality management standards. This commitment guarantees exceptional quality and a hassle-free installation process!
Packaging & Shipping

25kVA Oil Immersed Transformer for 11/0.4kv Power Supply
Company Profile

Founded in 2011, TSTY Electric Co., Ltd. stands as a beacon of excellence and reliability in the transformer manufacturing sector in China. Specializing in the innovation and production of oil-immersed transformers, dry-type transformers, box-type substations, and comprehensive high and low voltage equipment, TSTY is your trusted partner for all power supply needs.
Our advanced production facilities champion energy efficiency, intelligence, information integration, and mechanization. Proudly hosting the Henan Triangle Energy-saving Transformer Engineering Technology Research Center, we boast an impressive portfolio of 71 utility model patents and 15 invention patents, underscoring our commitment to technological excellence and sustainability.
With years of expertise in the transformer industry and robust technological innovation capabilities,TSTY
Our products have a global footprint, spanning the Middle East, North America, South America, Europe, Southeast Asia, Africa, and beyond. We proudly serve over 40 countries, delivering unparalleled quality and reliability.

25kVA Oil Immersed Transformer for 11/0.4kv Power Supply
Production Equipment
25kVA Oil Immersed Transformer for 11/0.4kv Power Supply25kVA Oil Immersed Transformer for 11/0.4kv Power Supply25kVA Oil Immersed Transformer for 11/0.4kv Power Supply25kVA Oil Immersed Transformer for 11/0.4kv Power Supply25kVA Oil Immersed Transformer for 11/0.4kv Power Supply
FAQ
Q: Who are we?
A: We are a leading professional manufacturer of oil-immersed transformers, dry-type transformers, transformer substations, high voltage (HV) and low voltage (LV) switchgear, established in 2011.

Q: Why should you buy from us rather than other suppliers?
A: With over a decade of specialization in transformer production, we are certified by ISO9001:2008, OHSAS 18001:2007, ISO4001:2004, CE, CCC, and hold multiple TYPE TEST REPORTs.

Q: How are transformers shipped?
A: Our transformers are shipped via sea, train, or truck for international destinations, with the main active components shipped in bulk and accessories securely packed in wooden cases.

Q: Can your products be customized?
A: Absolutely. Given the variances in voltage, frequency, and other specifications across different regions,
we customize our products to meet your specific requirements.

Q: Do you offer a guarantee for your products?
A: Yes. All our transformers come with a minimum of a two-year guarantee, ensuring peace of mind and reliability.

Q: Do you accept Factory Acceptance Tests (FAT)?
A: Yes, we do. We are committed to rigorously testing each transformer to ensure it meets our high standards of quality.

Q: Do you provide engineers for after-sale services?
A: Yes. We provide comprehensive after-sale services, including installation guidance and prompt response to any inquiries.

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