25kVA, 11kV 230V South Africa Type Single Phase Oil Immersed Transformer According to SANS780 and IEC 60076 Standard

Overview of 25kVA, 11kV 230V South Africa Type Single Phase Oil Immersed Transformer According to SANS780 and IEC 60076 Standard

An oil-immersed transformer is a type of electrical transformer where the core and windings are submerged in an insulating oil. This oil serves two primary functions: it acts as a highly effective insulator between conductive parts and as a coolant to dissipate heat generated during operation. These transformers are robust, reliable, and highly efficient, making them the standard choice for high-voltage power distribution and transmission networks, typically installed outdoors in substations.

Features of 25kVA, 11kV 230V South Africa Type Single Phase Oil Immersed Transformer According to SANS780 and IEC 60076 Standard

• Effective Cooling: The insulating oil efficiently absorbs heat from the core and windings and transfers it to the radiator fins, allowing for natural or forced circulation and higher overload capacity.
• Superior Insulation: The oil provides much better dielectric strength than air, allowing for a more compact design for a given voltage rating and protecting against short circuits.
• Robust Construction: Designed for long-term, reliable operation (often 25-30 years) in harsh outdoor environments.
• Overload Capacity: Can handle temporary power overloads better than dry-type transformers due to the thermal mass and cooling properties of the oil.
• Protection System: Equipped with a conservator tank (to allow for oil expansion), breather (to absorb moisture from air), and protective relays (Buchholz relay) for internal fault detection.
• Cost-Effective: Generally more economical for high-power applications compared to dry-type transformers.

Specifications of 25kVA, 11kV 230V South Africa Type Single Phase Oil Immersed Transformer According to SANS780 and IEC 60076 Standard

This transformer manages 25,000 volt-amperes. It is a single-phase device. It steps down 11,000 volts to a typical 230 volts. This voltage prevails in South Africa. The transformer is totally immersed in shielding oil. This oil cools down the transformer effectively. It also supplies essential electric insulation.

The layout strictly follows the SANS780 criterion. It also satisfies the IEC 60076 worldwide criterion. Conformity ensures safety and security and reputable efficiency. The transformer is built for the requiring South African environment. It utilizes state-of-the-art electric steel for the core. Copper windings are standard for both HV and LV sides. The core and coils rest inside a robust welded steel storage tank. This container is full of premium transformer oil.

A conservator storage tank is fitted. This conservator handles oil quantity adjustments. Oil increases and acquires with temperature changes. The conservator uses an adaptable bladder or a sealed system. This keeps air away from the oil. Maintaining air out prevents dampness and oxidation. A silica gel breather is consisted of if needed. This breather dries out any inbound air.

Security is a priority. A pressure alleviation tool is installed. This gadget shields versus inner pressure surges. Rises can take place throughout faults. The transformer consists of thermometers. These screen oil temperature. Getting too hot is stopped. Bushings are made from solid porcelain or polymer. They supply secure access factors for the HV and LV cables. LV terminals are conveniently accessible for link.

Extensive manufacturing facility examinations validate high quality. These tests include resistance checks and voltage proportion tests. Insusceptibility measurements and lots loss tests are done. No-load loss examinations are likewise performed. Dielectric toughness examinations are vital. These examinations ensure the insulation can deal with high voltages. All tests follow SANS780 and IEC 60076 procedures. Certificates verify the transformer satisfies the requirements.

This transformer fits several applications. It functions well for little farms. It powers country homes and small businesses. It offers power for remote telecommunications sites. The device is dependable for crucial power distribution. It connects conveniently to the South African 11kV grid. The outcome is the conventional 230V single-phase supply. Correct installment is important. Trained employees need to install it. Regular maintenance checks maintain it running safely for years.

Applications of 25kVA, 11kV 230V South Africa Type Single Phase Oil Immersed Transformer According to SANS780 and IEC 60076 Standard

This transformer actions down 11kV power to functional 230V single-phase electricity. It fulfills stringent South African SANS780 and global IEC 60076 standards. This makes certain safety, integrity, and lengthy life. The 25kVA capacity suits moderate power needs. Its oil-immersed design cools down effectively and safeguards inner parts. This makes it challenging for exterior usage.

In South Africa, it’s important for getting power to locations much from large substations. Backwoods need it. Farms need it. Tiny towns require it. It attaches directly to the 11kV power lines usual throughout the nation. After that it provides secure 230V power. This voltage runs homes, shops, and little workshops.

You see this transformer on posts in less jampacked locations. It powers important services like community water pumps and tiny clinics. Farmers utilize it for watering pumps, barn lights, and fundamental equipment. Small companies rely upon it for devices, illumination, and tools. It supplies the foundation for neighborhood electrical energy grids where three-phase power isn’t needed or is as well pricey to mount.

Its design manages South Africa’s environment. The oil insulation stops break downs from dust, dampness, and temperature modifications. Meeting SANS780 means it follows all neighborhood grid connection regulations. Fulfilling IEC 60076 guarantees verified international efficiency and safety. This transformer is a useful solution for dependable single-phase power distribution.

Company Profile

PDDN Photoelectron Technology Co., Ltd. is one of the leading enterprises in power electronics technology and power products, which is fully involved in developing solar inverters， transformers, voltage regulators, distribution cabinets, thyristors， modules， diodes， heaters, and other electronic devices or semiconductors. We will be committed to providing users with high-quality, efficient products and considerate service.

It accepts payment via Credit Card, T/T, West Union, and Paypal. PDDN will ship the goods to customers overseas through FedEx, DHL, by sea, or by air. If you want high-quality 25kVA, 11kV 230V South Africa Type Single Phase Oil Immersed Transformer According to SANS780 and IEC 60076 Standard, please send us inquiries; we will be here to help you.

Payment Methods

L/C, T/T, Western Union, Paypal, Credit Card etc.

Shipment

By sea, by air, by express, as customers request.

Storage Conditions

1) Store in a dry environment at room temperature.

2) Avoid damp and high temperature.

3) Use immediately after opening the inner packing bag.

5 FAQs of 25kVA, 11kV 230V South Africa Type Single Phase Oil Immersed Transformer According to SANS780 and IEC 60076 Standard

What is this transformer?
This is a 25kVA oil-filled transformer. It steps down high voltage electricity. It takes 11,000 volts input. It gives 230 volts output. This is a single-phase unit designed for South Africa. It uses oil for cooling and insulation. It is built inside a strong steel tank.

What standards does it follow?
The transformer meets SANS780. This is the key South African national standard. It also meets IEC 60076. This is the main international transformer standard. Meeting both ensures good performance and safety. It means the transformer is suitable for local conditions and global practices.

Where is it typically used?
This transformer is common in rural areas and small towns. It powers farms, small workshops, and village supplies. It feeds power to homes and small businesses from the main grid lines. It is good where three-phase power is not needed. Its size fits many local distribution points.

What are its main features?
The core uses high-grade electrical steel. This reduces energy waste. Copper windings handle the current efficiently. The oil cools the transformer and prevents electrical breakdown. The tank protects the internal parts. It has bushings for safe cable connection. It is made to last long in tough conditions.

How is it maintained?
Check the oil level regularly. Look for leaks around the tank and bushings. Keep the outside clean. Listen for unusual humming sounds. Test the oil quality sometimes. This checks its insulating strength. Only trained people should do major work. The oil needs special handling. Follow the maker’s service schedule.