Overview of High Voltage Main Power Transformer

Oil Immersed Three Phase Electrical Power Distribution Transformer 100kva 125KVA 160KVA 200KVA 315KVA 500KVA 20/0.4KV TOROIDAL 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 Oil Immersed Three Phase Electrical Power Distribution Transformer 100kva 125KVA 160KVA 200KVA 315KVA 500KVA 20/0.4KV TOROIDAL

• 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 Oil Immersed Three Phase Electrical Power Distribution Transformer 100kva 125KVA 160KVA 200KVA 315KVA 500KVA 20/0.4KV TOROIDAL

Here’s the power you need. Our oil-immersed three-phase transformers deliver reliable electricity. They step down voltage from 20kV to 400V. Choose the right size: 100kVA, 125kVA, 160kVA, 200kVA, 315kVA, or 500kVA. These handle demanding industrial and commercial power distribution. The unique toroidal core design makes a big difference. It uses less material overall. It runs significantly quieter than standard transformers. The compact shape saves valuable space in your installation.

These transformers are built tough. A welded steel tank encases the core and windings. High-grade mineral oil fills the tank. This oil insulates the components. It also cools the transformer during operation. The oil is key to long life and stable performance. A robust design ensures these units withstand harsh conditions. They work reliably for years.

Safety is built-in. Every unit has essential protection features. A pressure relief valve prevents tank rupture. It activates if internal pressure gets too high. An oil level gauge shows the oil amount clearly. Low oil can cause overheating. A drain valve allows easy oil changes or sampling. A thermometer pocket is standard. You can monitor operating temperature accurately. These features prevent failures. They protect your investment.

Toroidal core transformers offer real advantages. Their magnetic field is more contained. This means lower electrical losses. You get better efficiency. Less energy becomes waste heat. The smooth power flow is excellent for sensitive equipment. Maintenance is minimal. The robust oil-immersed design handles heavy loads daily. Expect dependable power distribution day after day.

Applications of Oil Immersed Three Phase Electrical Power Distribution Transformer 100kva 125KVA 160KVA 200KVA 315KVA 500KVA 20/0.4KV TOROIDAL

Oil immersed three phase transformers in toroidal shapes handle power distribution jobs well. These units come in sizes like 100kVA, 125kVA, 160kVA, 200kVA, 315kVA, and 500kVA. They step down voltage from 20kV to 400V. This voltage suits many places needing reliable three phase power.

Factories use these transformers heavily. They power big motors, welding machines, and large lighting systems. The oil cooling helps manage heat from constant heavy loads. The toroidal core design is efficient. It wastes less energy as heat compared to older designs. This saves money over time.

Commercial buildings need these transformers too. Shopping malls, hospitals, and office blocks rely on them. They distribute power safely throughout the building for elevators, air conditioning, and computer systems. The oil insulation allows a compact size. The toroidal shape fits better in tight electrical rooms.

Remote locations benefit from these units. Farms, mines, and construction sites often use them. They connect to medium voltage lines. Then they provide stable low voltage power for equipment. The oil provides good protection against weather and rough conditions. The robust build handles tough environments.

These transformers run quietly. The toroidal core reduces mechanical hum. This is important near offices or homes. They also help suppress electrical harmonics. This means cleaner power for sensitive electronics. The design minimizes magnetic fields leaking out.

Installation is straightforward. The units are self-contained. Maintenance checks are simple. Technicians monitor oil levels and test insulation resistance periodically. Reliable operation is key for critical power needs. They form a dependable link in the power chain.

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 Oil Immersed Three Phase Electrical Power Distribution Transformer 100kva 125KVA 160KVA 200KVA 315KVA 500KVA 20/0.4KV TOROIDAL, 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 Oil Immersed Three Phase Electrical Power Distribution Transformer 100kva 125KVA 160KVA 200KVA 315KVA 500KVA 20/0.4KV TOROIDAL

What exactly is a 20/0.4kV oil immersed toroidal transformer? This transformer steps down high voltage electricity (20,000 volts) to safer, usable levels (400 volts) for factories, buildings, or large sites. It uses special transformer oil for cooling and insulation. The toroidal core design is doughnut-shaped. This shape makes the transformer smaller, quieter, and more efficient than traditional square-core types.

Why pick an oil immersed toroidal transformer? You get major benefits. The oil cooling handles heat very well, allowing continuous heavy use. The toroidal core design reduces energy losses significantly. This means lower electricity bills. The compact size saves valuable space in your substation or equipment room. The toroidal shape also cuts down annoying humming noise.

What power sizes are available? We offer common ratings: 100kVA, 125kVA, 160kVA, 200kVA, 315kVA, and 500kVA. These sizes cover most industrial and commercial power distribution needs. They efficiently supply power to large machinery, lighting systems, and other heavy electrical loads.

How is this transformer installed? Proper installation is critical. It needs a clean, dry, well-ventilated location. The foundation must be perfectly level and strong enough to support its weight. Only qualified electrical engineers or technicians should handle the high voltage connections. They must follow all local electrical codes and safety rules precisely. The oil level requires checking before energizing.

What maintenance is needed? These transformers are built for long life with minimal upkeep. Regular visual checks are essential. Look for oil leaks, check the oil level gauge, and ensure the silica gel breather (if fitted) is still active (blue color). Oil samples should be tested periodically in a lab. This checks the oil’s insulation strength and detects any internal problems early. Keep the transformer exterior clean and free from dust buildup.