High Power Oil Immersed Transformer 69 KV Voltage Class 630 a Current Capacity Ideal for Large Scale Power Distribution Projects

Overview of High Power Oil Immersed Transformer 69 KV Voltage Class 630 a Current Capacity Ideal for Large Scale Power Distribution Projects

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 High Power Oil Immersed Transformer 69 KV Voltage Class 630 a Current Capacity Ideal for Large Scale Power Distribution Projects

• 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 High Power Oil Immersed Transformer 69 KV Voltage Class 630 a Current Capacity Ideal for Large Scale Power Distribution Projects

This transformer handles large power distribution projects. It works at 69 kilovolts. Its current capacity reaches 630 amps. This high power needs strong construction. The transformer uses oil immersion cooling. This method is proven reliable. Oil efficiently absorbs heat from the core and windings. This keeps temperatures stable. Stable temperatures prevent damage. The transformer manages heavy loads well. It handles short-term overloads safely. This is important for grid stability.

The core uses high-grade electrical steel. This steel minimizes energy losses. Lower losses mean better efficiency. Less wasted energy saves money. Copper windings conduct the current. These windings are carefully insulated. Robust insulation prevents electrical faults. The entire assembly sits inside a welded steel tank. This tank is completely sealed. It prevents oil leaks. It also keeps moisture out. Moisture reduces performance. The sealed tank ensures long life.

High voltage bushings connect the transformer. These bushings are made from durable porcelain. Porcelain withstands harsh weather. Bushings safely route the 69kV power in and out. An oil conservator tank is attached. This tank allows for oil expansion. Oil expands when it gets hot. The conservator maintains the right oil level. A silica gel breather protects the oil. The breather stops moisture from entering. Dry oil is essential. It insulates well. It also cools effectively.

Internal monitoring devices are included. These devices track oil temperature. They also monitor pressure. Operators see this data. They can act quickly if needed. The transformer meets strict industry standards. It passes all required tests. Tests include temperature rise checks. They also include insulation resistance tests. This guarantees safety and performance. Engineers designed it for tough conditions. It works reliably for decades. It powers factories and cities. It supports large electrical grids. This transformer is a solid choice for big jobs.

Applications of High Power Oil Immersed Transformer 69 KV Voltage Class 630 a Current Capacity Ideal for Large Scale Power Distribution Projects

These 69kV oil-immersed transformers handle big power jobs. They step down high 69kV electricity. They make it safer for local distribution networks. Their 630 amp current capacity is key. This means they move large amounts of electricity efficiently. They are built tough for continuous, heavy-duty use.

Large power distribution projects need reliable equipment. These transformers fit perfectly. Utilities install them in primary substations. They connect directly to high-voltage transmission lines. They feed power to entire towns or industrial zones. They form the backbone of regional power grids.

Their oil-immersed design is important. The oil insulates the core and windings. The oil also cools the transformer effectively. This allows stable operation under heavy load. It prevents overheating during peak demand. This design ensures long service life. It minimizes maintenance needs.

These transformers handle harsh conditions. They work reliably outdoors. They withstand temperature extremes. They resist moisture and contamination. Their robust construction protects internal parts. This durability is vital for critical infrastructure. Power outages become less likely.

Industrial complexes require substantial power. These transformers deliver it. They power large factories and processing plants. They support mines and major construction sites. Any project needing bulk power at 69kV uses them. They are essential for expanding electrical grids. Growing cities depend on this technology. Upgrading older infrastructure often involves them. They provide the necessary power capacity. Future demand is easier to meet.

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 High Power Oil Immersed Transformer 69 KV Voltage Class 630 a Current Capacity Ideal for Large Scale Power Distribution Projects, 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 High Power Oil Immersed Transformer 69 KV Voltage Class 630 a Current Capacity Ideal for Large Scale Power Distribution Projects

What does this transformer do?
This 69kV oil-filled transformer handles large power distribution. It steps down high voltage electricity for safe use. Its 630 amp capacity suits big factories, cities, or grid substations. It moves lots of power reliably over distance.

What space is needed for installation?
It needs a strong, level concrete pad outdoors. Clearance around it is vital for cooling and safety. Access for cranes and service trucks is essential. Check the exact dimensions in the manual before pouring foundations.

How often is maintenance required?
Check oil levels and quality regularly. Look for leaks every month. Professionals should do detailed checks and oil testing yearly. More frequent checks are wise in harsh environments or heavy use. Never ignore unusual noises or smells.

Is it safe? What about fire risk?
The oil is specially treated to resist fire. The tank is tough steel. It includes pressure relief devices and automatic shutoffs for faults. Proper installation and clearance greatly reduce fire risk. Follow all safety codes strictly.

How efficient is it?
It uses high-grade steel in its core and copper windings. This minimizes wasted energy as heat. Lower energy loss saves money long-term. Ask for the exact efficiency rating on the test report. Good cooling keeps efficiency stable.