Overview of High Voltage Main Power Transformer

11kv To 400v 415v 63kva 150 200kva 400 Kva 500kva 630 Kva 1000kva 1250kva 2000kva 1500 Kva Power Distribution Transformer is a device used to convert high voltage to lower voltage. It is critical in power systems, especially high-voltage transmission and distribution networks. The primary function of the high-voltage main power transformer is to ensure the stable operation of the power system while providing the required voltage for various power equipment.

Functional Principle of 11kv To 400v 415v 63kva 150 200kva 400 Kva 500kva 630 Kva 1000kva 1250kva 2000kva 1500 Kva Power Distribution Transformer

• Voltage conversion: The most basic function of a high-voltage main power transformer is to perform voltage conversion. It reduces the high voltage in the power system to the voltage level required by the user. By changing the turn ratio of the primary side (high-voltage side) and secondary side (low-voltage side) coils, voltage rise and fall can be achieved.
• Impedance matching: Transformers can also play a role in impedance matching. For different loads, their impedance values also vary. Through the transformer’s voltage transformation effect, the impedance of the load can be matched with the impedance of the power supply system, thereby ensuring stable current transmission.
• Voltage regulation: By changing the number of turns of the primary side coil or the number of turns of the secondary side coil, the output voltage can be adjusted. In the power system, transformers are used to achieve segmented voltage control to meet the electricity needs of different users and equipment.
• Filtering function: Some particular types of high-voltage main power transformers also have a filtering function, which can filter out harmonics and reactive power components in the power supply and improve the quality of the power supply.

Specifications of 11kv To 400v 415v 63kva 150 200kva 400 Kva 500kva 630 Kva 1000kva 1250kva 2000kva 1500 Kva Power Distribution Transformer

These transformers step down 11kV high voltage to usable 400V or 415V low voltage. They handle significant power loads safely. Available sizes are 63kVA, 150kVA, 200kVA, 400kVA, 500kVA, 630kVA, 1000kVA, 1250kVA, 1500kVA, and 2000kVA. Choose the size matching your specific power needs.

The core uses high-grade grain-oriented silicon steel. This minimizes energy losses. It also cuts down on annoying hum during operation. Windings are tough copper or aluminum. They are built to handle heavy currents. The entire unit is sealed inside a strong tank. The tank is filled with high-quality insulating oil. This oil cools the transformer. It also provides vital electrical insulation.

Cooling happens naturally for smaller units. Bigger units use radiators. Radiators increase the surface area. This helps dissipate heat more effectively. The transformer can manage a standard temperature rise. This ensures stable performance under load. Impedance values are carefully set. This protects equipment during short circuits. The vector group is usually Dyn11. This is standard for distribution networks.

Voltage regulation is important. Most models have off-circuit tap changers. Taps are on the high voltage side. Adjusting taps compensates for input voltage variations. This keeps the output voltage stable. Total losses are kept low. This includes both iron losses and copper losses. Low losses mean better efficiency. Better efficiency saves money over time.

The transformer meets strict standards. Standards like IEC 60076 are common. It also meets local safety requirements. This guarantees reliable operation. The unit is designed for outdoor use. It withstands weather conditions. Installation is straightforward. Place it on a solid, level foundation. Ensure proper clearances around it. Connect the cables correctly. Follow the manufacturer’s wiring diagram.

Applications of 11kv To 400v 415v 63kva 150 200kva 400 Kva 500kva 630 Kva 1000kva 1250kva 2000kva 1500 Kva Power Distribution Transformer

These transformers step down high voltage electricity. They take 11kV power from the grid. They deliver safe, usable 400V or 415V power. This is essential for many places needing reliable electricity.

Factories need significant power. Motors, heavy machinery, production lines demand it. Transformers like 500kva, 630kva, 1000kva, 1250kva, 1500kva, even 2000kva units handle this industrial load. They keep large manufacturing plants running smoothly.

Commercial buildings use power constantly. Shopping malls, office towers, hospitals need it. Units around 400kva, 500kva, 630kva are common here. They power lighting, lifts, computers, air conditioning systems reliably.

Smaller sites need smaller solutions. Think workshops, farms, or pump stations. Units like 63kva, 150kva, 200kva fit well. They provide enough power for essential equipment without oversizing.

Construction projects need temporary power. Transformers like 400kva or 500kva deliver this. They supply tools and site facilities until permanent connections are ready.

Data centers need huge, reliable power. Cooling systems and servers consume massive energy. Large transformers like 1000kva, 1250kva, 1500kva, 2000kva are critical here. They ensure continuous operation without interruption.

Water treatment plants rely on constant power. Pumps and processing equipment must run. Units like 500kva, 630kva, 1000kva provide the necessary capacity. They support vital public infrastructure.

Residential areas sometimes need local step-down. Apartment blocks or housing estates use them. Transformers like 400kva or 500kva manage the distribution safely to homes.

The right transformer size is crucial. It matches the specific power demand. It prevents overloads. It avoids wasted capacity. It ensures efficient operation and long equipment life. Correct installation and maintenance are vital. They guarantee safety and reliable performance year after year.

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 11kv To 400v 415v 63kva 150 200kva 400 Kva 500kva 630 Kva 1000kva 1250kva 2000kva 1500 Kva Power Distribution Transformer , 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 11kv To 400v 415v 63kva 150 200kva 400 Kva 500kva 630 Kva 1000kva 1250kva 2000kva 1500 Kva Power Distribution Transformer

What does this transformer do?
It steps down high voltage electricity. Your incoming power is 11,000 volts. The transformer changes this to safer levels. You get 400 or 415 volts. This voltage works for standard factories, buildings, and large equipment.

What size transformer do I need?
Size depends on your total power demand. We offer transformers from 63kVA up to 2000kVA. Small workshops might need 63kVA or 150kVA. Big factories often need 500kVA, 630kVA, 1000kVA, or larger. Check your equipment’s total kVA requirement. Pick a transformer slightly bigger than that peak load.

Where can I install this transformer?
You need a dry, ventilated area. Keep it protected from weather and dust. Indoor substations are common. Outdoor pad-mounted units are also possible. Ensure enough space around it for airflow and safety checks. Proper earthing is absolutely critical.

How much maintenance does it need?
Regular checks are essential. Inspect it visually every few months. Look for oil leaks, damaged parts, or corrosion. Listen for unusual humming or crackling sounds. Check the oil level and condition yearly. Professional testing every few years is recommended. This keeps it reliable and extends its life.

Is this transformer efficient?
Modern transformers like these are designed for good efficiency. They minimize wasted energy as heat. Actual efficiency depends on the load and specific model. Ask for the efficiency rating data. Higher efficiency models save electricity costs over time. Proper sizing helps run it efficiently.